Light folding muscle force rehabilitation training chest expander

Abstract

The invention relates to a light folding type muscle force rehabilitation training chest expander which comprises a shell base module, a folding module, a rope driving module and an electronic component module, wherein the folding module, the rope driving module and the electronic component module are arranged on the shell base module. The folding module comprises two folding assemblies which are symmetrically arranged; the folding assembly comprises a disc damping rotating shaft, and the folding module realizes folding of the fuselage through the disc damping rotating shaft; the folding assembly comprises a folding outer shell and a folding inner shell which are embedded through a groove, the folding outer shell and the folding inner shell are connected through a disc damping rotating shaft, and the disc damping rotating shaft achieves angle-adjustable folding positioning through a folding connecting element; the disc damping rotating shaft provides rotating resistance in an unfolded state; the rope driving module comprises two symmetrically-arranged tension assemblies, a rope driving connecting assembly and a rope driving fixing assembly. Compared with the prior art, the device has the advantages of portability, folding design, tension adjustability, structural stability and the like.

Description

Technical Field

[0001] The present invention relates to the technical field of rehabilitation training equipment, in particular to a light-weight foldable muscle rehabilitation training puller. Background Art

[0002] With the continuous advancement of medical technology, the demand for rehabilitation medicine continues to grow in modern society. Despite this, limited medical resources make it difficult for many patients to receive muscle strength rehabilitation training in hospitals. In non-medical settings, patients often lack professional guidance and portable training equipment, making the effective implementation of muscle strength rehabilitation training challenging.

[0003] Currently, rehabilitation training equipment technology has a solid foundation and is widely used in a variety of fields, including rehabilitation nursing, prosthetic fitting, and rehabilitation therapy. However, given China's increasingly aging population and enormous population base, the traditional hospital-based rehabilitation model is no longer able to meet the growing patient needs. Rehabilitation services are gradually shifting to community and home settings. The development and application of lightweight rehabilitation training equipment offers a potential solution to the challenge of muscle strength training in non-medical settings.

[0004] Patent CN201910613603.1 discloses a rope-driven multi-purpose wrist rehabilitation training mechanism, which relates to the field of medical rehabilitation machinery and includes a training stand, a universal connection module, a reversing module, a main control module, a grip module, and an action execution module; the training stand is configured in an L-shape, the universal connection module connects the reversing module and the training stand, the main control module is embedded in the reversing module and its free end is connected to the action execution module, and the grip module is provided at the end of the action execution module; two drive motors are provided on both sides of the main control module and are rope-driven. The rope-driven design reduces the overall volume of the mechanism, and the reversing mechanism is combined with an adapter to increase the application scenarios of the wrist rehabilitation training mechanism, so that it can not only realize separate training of the wrist joint, but also cooperate with upper limb rehabilitation training equipment for comprehensive upper limb training. However, the solution structure is relatively complex and not portable.

[0005] Therefore, it is necessary to propose a more lightweight, practical and reliable muscle strength rehabilitation training puller. Summary of the Invention

[0006] The purpose of the present invention is to overcome the defects of the above-mentioned prior art and provide a lightweight foldable muscle rehabilitation training puller with portability and folding design; the tension is adjustable, and the symmetrical rope drive module provides multiple levels of resistance through motor speed adjustment to meet the needs of different rehabilitation stages; and the structure is stable.

[0007] The present invention provides a lightweight foldable muscle rehabilitation training puller, comprising:

[0008] A housing base module and a folding module, a rope drive module, and an electronic component module provided on the housing base module;

[0009] The folding module comprises two symmetrically arranged folding assemblies; the folding assemblies comprise a disc damping shaft, through which the folding module achieves folding of the fuselage; the folding assembly comprises a folding outer shell and a folding inner shell engaged by a groove, the folding outer shell and the folding inner shell being connected by the disc damping shaft, and the disc damping shaft achieves adjustable folding positioning through a folding connecting element; the disc damping shaft provides rotational resistance in the unfolded state;

[0010] The rope drive module includes two symmetrically arranged tension components, a rope drive connection component, and a rope drive fixing component;

[0011] The tension component is connected to the rope winding element of the rope drive connection component through the rope drive element, and the rope drive motor controls the tension strength of the rope winding element;

[0012] The electronic component module is integrated with a battery unit and an MCU. The MCU is fixed inside the housing base module by being embedded and electrically connected to the rope drive motor.

[0013] The rope drive motor controls the tension strength by adjusting the speed.

[0014] Furthermore, the housing base module includes two symmetrically arranged housing base components, and the housing base components include: an anti-slip base element, a housing lower base element, a built-in element under the base, a housing support element, a built-in element on the base, and a housing upper base element;

[0015] The two housing base assemblies are connected by a folding module, the anti-slip base element is fixed to the outside of the housing lower base element by screws, the built-in element under the base is fixed to the inside of the housing lower base element by screws, the built-in element under the base and the built-in element on the base are connected to the housing support element by screws, and the housing support element is connected to the inside of the housing upper base element by screws;

[0016] The housing base module is connected to the folding module via a folding fixing element.

[0017] Furthermore, the folding assembly includes: a bearing fixing element, a folding bearing, a folding fixing element, a folding connecting shaft, a front rotation auxiliary element, a rear rotation auxiliary element, a folding outer shell, a disc damping shaft, a folding connecting element and a folding inner shell;

[0018] The foldable outer shell and the foldable inner shell are engaged with each other through a groove. The auxiliary element is fixed on the base element on the shell before rotation. The auxiliary element is fixed on the foldable outer shell after rotation and is connected to the disc damping shaft through a foldable connecting element.

[0019] Furthermore, the bearing fixing element fixes the folding bearing to the folding fixing element by means of screws; the folding fixing element is fixed to the base element on the shell by means of screws, and the folding assembly is fixed to the built-in element under the base by means of screws; the folding connecting shaft connects and fixes the bearing fixing element, the folding bearing and the folding fixing element, and is connected to the disc damping shaft by means of screws; the auxiliary element before rotation is located in the groove between the base element under the shell and the base element on the shell, the auxiliary element before rotation is fixed to the base element on the shell by means of screws, and the auxiliary element after rotation is located in the groove of the folding outer shell and is fixed to the folding outer shell by means of screws; the disc damping shaft is connected to the folding connecting element by means of screws, and the folding connecting element is then connected to the folding inner shell by means of screws.

[0020] Furthermore, the tension assembly includes: a tension element, a rope drive element, and a rope drive housing connecting element;

[0021] The tension element is connected to the rope drive element through an internal pull rod. The rope drive element is connected to the rope drive housing through the rope drive housing connection element, and then wound around the rope drive connection assembly and fixed to the rope drive fixing assembly.

[0022] Furthermore, the rope drive connection assembly includes: a first rope drive connection fixing bracket, a rope drive connection shaft, a first rope drive fixing ring, a first rope drive fixing bearing, a rope winding element, a second rope drive fixing bearing, a second rope drive fixing ring and a second rope drive connection fixing bracket;

[0023] The first rope drive fixing ring and the first rope drive fixing bearing are fixed to the rope winding element by screws, the first rope drive fixing ring, the first rope drive fixing bearing and the rope winding element are commonly connected to the rope drive connecting shaft, the first rope drive connection fixing bracket and the rope drive connecting shaft are fixedly connected by screws; the first rope drive connection fixing bracket and the second rope drive connection fixing bracket are tightly fixed up and down in the built-in element under the base and the built-in element on the base by screws.

[0024] Furthermore, the rope drive fixing assembly includes: a motor front fixing bracket, a rope drive pressing element, a rope drive motor, and a motor rear fixing bracket; the rope drive motor is fixed to the rope drive pressing element via screws, and the rope drive element has a ferrule at the end that can be fixed to the rope drive pressing element; the motor rear fixing bracket and the motor front fixing bracket are respectively fixed to the rope drive motor via screws, and are also fixed to the built-in elements under the base and on the base via screws.

[0025] Furthermore, the electronic component module includes: a battery unit, a junction box unit, and a step-down unit;

[0026] The battery unit includes: an MCU, a battery fixing plate, and a battery fixing element; the MCU is fixed to the battery fixing plate by screws, the battery fixing plate is fixed to the built-in element on the base by the battery fixing element, and the battery is placed on the upper part of the battery fixing plate;

[0027] The electronic component module is installed inside the housing base module through a battery fixing plate and a battery fixing element.

[0028] The junction box module and the step-down module are fixed inside the base element on the shell by screws.

[0029] Furthermore, the shell base module is made of carbon fiber composite material; it can increase the friction between the puller and the ground, reduce the direct contact between the bottom of the puller and the ground, and the material is lighter; the outer side of the shell upper base element is concave, which is convenient for the passage of the tension component and also reduces material consumption; the shell upper base element and the shell lower base element are embedded with threads; the shell upper base element and the shell lower base element are provided with grooves on the inner side; they are used to fit the folding module to achieve the foldability of the overall mechanism; the shell support element adopts a hollow design to reduce the overall body weight; the shell upper base element is provided with a protrusion at the battery fitting position for fixing the battery.

[0030] Furthermore, the folding assembly is folded downward by manual control to achieve miniaturization of the fuselage; grooves are provided on the outer sides of the folding outer shell and the folding inner shell to achieve precise fitting of the fuselage when folding; the disc damping shaft can adjust the rotating axis to any angle when folding to prevent accidental rotation and improve the stability of the fuselage when folded; after rotation, the auxiliary element and the folding connecting element are fixed by internal screws to achieve the connection between the folding outer shell and the folding inner shell.

[0031] The rope drive element is located in the groove of the base element on the shell. A circular hole is provided inside the rope drive element to pass through the rope drive element and prevent friction. By adjusting the speed of the rope drive motor, the tension element outside the body is pulled to adjust the intensity of muscle strength training.

[0032] The MCU described in the present invention includes but is not limited to STM32F407, STM32F103, and STM32F205.

[0033] Compared with the prior art, the present invention has the following advantages:

[0034] (1) Portability and folding design: The body is folded by a disc damping shaft and symmetrical folding components, which reduces the volume. The carbon fiber material reduces the weight of the whole device, making it easy to carry in non-medical environments.

[0035] (2) Adjustable tension: The symmetrical rope drive module provides multiple levels of resistance through motor speed adjustment to meet the needs of different rehabilitation stages.

[0036] (3) Structural stability: The groove-fitting design of the shell base module, the disc damping shaft locking, and the anti-slip base element ensure that the folded state is stable and there is no displacement during training. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 This is a schematic diagram of the external structure of the lightweight foldable muscle rehabilitation training puller in Example 1;

[0038] Figure 2 This is a schematic diagram of the internal structure of the lightweight foldable muscle rehabilitation training puller in Example 1;

[0039] Figure 3 This is a schematic diagram of the exploded structure of the shell base module;

[0040] Figure 4 This is a structural explosion diagram of the folding module;

[0041] Figure 5 Schematic diagram of the structure of the rope drive module;

[0042] Figure 6 Schematic diagram of the rope drive module's structural explosion Figure 1 ;

[0043] Figure 7 Schematic diagram of the rope drive module's structural explosion Figure 2 ;

[0044] Figure 8 This is a schematic diagram of the structural explosion of the electronic component module.

[0045] Reference numerals: 1000 - housing base module; 1101 - anti-slip base element; 1102 - housing lower base element; 1103 - base lower built-in element; 1104 - housing support element; 1105 - base upper built-in element; 1106 - housing upper base element;

[0046] 2000 - folding module; 2100 - folding assembly; 2101 - bearing fixing element; 2102 - folding bearing; 2103 - folding fixing element; 2104 - folding connecting shaft; 2105 - front rotation auxiliary element; 2106 - rear rotation auxiliary element; 2107 - folding outer shell; 2108 - disc damping shaft; 2109 - folding connecting element; 2110 - folding inner shell;

[0047] 3000 - Rope drive module; 3100 - Tension assembly; 3200 - Rope drive connection assembly; 3300 - Rope drive fixing assembly; 3101 - Tension element; 3102 - Rope drive element; 3103 - Rope drive housing connection element; 3201 - First rope drive connection and fixing bracket; 3202 - Rope drive connecting shaft; 3203 - First rope drive fixing ring; 3204 - First rope drive fixing bearing; 3205 - Rope winding element; 3206 - Second rope drive fixing bearing; 3207 - Second rope drive fixing ring; 3208 - Second rope drive connection and fixing bracket; 3301 - Motor front fixing bracket; 3302 - Rope drive pressing element; 3303 - Rope drive motor; 3304 - Motor rear fixing bracket;

[0048] 4100-battery unit; 4200-junction box unit; 4300-step-down unit; 4101-MCU; 4102-battery fixing plate; 4103-battery fixing element; 4104-battery. DETAILED DESCRIPTION

[0049] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Component models, material names, connection structures, control methods, algorithms, and other features not explicitly described in this technical solution are considered common technical features disclosed in the prior art.

[0050] Example 1

[0051] This embodiment provides a light-weight foldable muscle rehabilitation training puller, such as Figure 1-8 Shown, including:

[0052] A housing base module 1000 and a folding module 2000, a rope drive module 3000, and an electronic component module provided on the housing base module 1000;

[0053] The housing base module 1000 includes two symmetrically arranged housing base components, each housing base component including: an anti-slip base element 1101, a housing lower base element 1102, a lower base built-in element 1103, a housing support element 1104, an upper base built-in element 1105, and a housing upper base element 1106;

[0054] The two housing base assemblies are connected via a folding module 2000. The anti-slip base element 1101 is fixed to the exterior of the housing lower base element 1102 via screws. The lower base built-in element 1103 is fixed to the interior of the housing lower base element 1102 via screws. The lower base built-in element 1103 and the upper base built-in element 1105 are connected to the housing support element 1104 via screws. The housing support element 1104 is connected to the interior of the housing upper base element 1106 via screws.

[0055] The housing base module 1000 is connected to the folding module 2000 via a folding fixing element 2103 .

[0056] The folding module 2000 includes two symmetrically arranged folding assemblies 2100; the folding assemblies 2100 include: a bearing fixing element 2101, a folding bearing 2102, a folding fixing element 2103, a folding connecting shaft 2104, a front rotation auxiliary element 2105, a rear rotation auxiliary element 2106, a folding outer shell 2107, a disc damping shaft 2108, a folding connecting element 2109, and a folding inner shell 2110;

[0057] The folding module 2000 achieves folding of the fuselage through a disc damping shaft 2108. The folding assembly 2100 includes a folding outer shell 2107 and a folding inner shell 2110 engaged by a groove. The folding outer shell 2107 and the folding inner shell 2110 are connected by the disc damping shaft 2108. The disc damping shaft 2108 achieves adjustable folding positioning through a folding connecting element 2109. The disc damping shaft 2108 provides rotational resistance in the unfolded state.

[0058] The folding outer shell 2107 and the folding inner shell 2110 are engaged with each other through grooves. The auxiliary element 2105 is fixed on the base element 1106 on the shell before rotation. The auxiliary element 2106 is fixed on the folding outer shell 2107 after rotation and is connected to the disc damping shaft 2108 through the folding connecting element 2109.

[0059] The bearing fixing element 2101 fixes the folding bearing 2102 to the folding fixing element 2103 by screws; the folding fixing element 2103 is fixed to the base element 1106 on the shell by screws, and the folding assembly 2100 is fixed to the built-in element 1103 under the base by screws; the folding connecting shaft 2104 connects and fixes the bearing fixing element 2101, the folding bearing 2102 and the folding fixing element 2103, and is connected to the disc damping shaft 2108 by screws; the front-rotation auxiliary element 2105 is located in the groove of the base element 1102 under the shell and the base element 1106 on the shell, and the front-rotation auxiliary element 2105 is fixed to the base element 1106 on the shell by screws, and the rear-rotation auxiliary element 2106 is located in the groove of the folding outer shell 2107 and is fixed to the folding outer shell 2107 by screws; the disc damping shaft 2108 is connected to the folding connecting element 2109 by screws, and the folding connecting element 2109 is then connected to the folding inner shell 2110 by screws.

[0060] The rope drive module 3000 includes two symmetrically arranged tension components 3100, a rope drive connection component 3200, and a rope drive fixing component 3300;

[0061] The tension assembly 3100 is connected to the rope winding element 3205 of the rope drive connection assembly 3200 via the rope drive element 3102, and the rope drive motor 3303 controls the tension strength of the rope winding element 3205;

[0062] The tension assembly 3100 includes: a tension element 3101, a rope drive element 3102, and a rope drive housing connecting element 3103;

[0063] The tension element 3101 is connected to the rope drive element 3102 through an internal pull rod. The rope drive element 3102 is connected to the rope drive housing connecting element 3103, and then wrapped around the rope drive connecting assembly 3200 and fixed to the rope drive fixing assembly 3300.

[0064] The rope drive connection assembly 3200 includes: a first rope drive connection fixing bracket 3201, a rope drive connection shaft 3202, a first rope drive fixing ring 3203, a first rope drive fixing bearing 3204, a rope winding element 3205, a second rope drive fixing bearing 3206, a second rope drive fixing ring 3207 and a second rope drive connection fixing bracket 3208;

[0065] The first rope drive fixing ring 3203 and the first rope drive fixing bearing 3204 are fixed to the rope winding element 3205 by screws, the first rope drive fixing ring 3203, the first rope drive fixing bearing 3204 and the rope winding element 3205 are commonly connected to the rope drive connecting shaft 3202, the first rope drive connection fixing bracket 3201 and the rope drive connecting shaft 3202 are fixedly connected by screws; the first rope drive connection fixing bracket 3201 and the second rope drive connection fixing bracket 3208 are tightly fixed up and down in the built-in element 1103 under the base and the built-in element 1105 on the base by screws.

[0066] The rope drive fixing assembly 3300 includes a front motor fixing bracket 3301, a rope drive pressing element 3302, a rope drive motor 3303, and a rear motor fixing bracket 3304. The rope drive motor 3303 is fixed to the rope drive pressing element 3302 via screws. The rope drive element 3102 has a ferrule at the end that can be fixed to the rope drive pressing element 3302. The rear motor fixing bracket 3301 and the front motor fixing bracket 3304 are respectively fixed to the rope drive motor 3303 via screws. They are also fixed to the lower base built-in element 1103 and the upper base built-in element 1105 via screws.

[0067] The electronic component module includes a battery unit 4100, a junction box unit 4200, and a step-down unit 4300. The MCU 4101 is embedded and fixed inside the housing base module 1000 and is electrically connected to the rope drive motor 3303. The rope drive motor 3303 controls the tension strength by adjusting the speed.

[0068] The battery unit 4100 includes: an MCU 4101, a battery fixing plate 4102, and a battery fixing element 4103. The MCU 4101 is fixed to the battery fixing plate 4102 by screws, and the battery fixing plate 4102 is fixed to the built-in element 1105 on the base by the battery fixing element 4103. The battery 4104 is placed on the upper part of the battery fixing plate 4102.

[0069] The electronic component module is installed inside the housing base module 1000 through the battery fixing plate 4102 and the battery fixing element 4103.

[0070] The junction box module 4200 and the step-down module 4300 are fixed inside the base element 1106 on the housing by screws.

[0071] In a specific embodiment, the shell base module 1000 is made of carbon fiber composite material; it can increase the friction between the puller and the ground, reduce the direct contact between the bottom of the puller and the ground, and the material is lighter; the outer side of the shell upper base element 1106 is concave, which is convenient for the tension component 3100 to pass through, and also reduces material consumption; the shell upper base element 1106 and the shell lower base element 1102 are embedded with threads; the shell upper base element 1106 and the shell lower base element 1102 are provided with grooves on the inner sides; they are used to fit the folding module 2000 to achieve the foldability of the overall mechanism; the shell support element 1104 adopts a hollow design to reduce the overall body weight; the shell upper base element 1106 is provided with a protrusion at the battery 4104 fitting position for fixing the battery 4104.

[0072] The folding assembly 2100 is folded downward by manual control to achieve miniaturization of the fuselage; grooves are provided on the outside of the folding outer shell 2107 and the folding inner shell 2110 to achieve precise fit of the fuselage when folding; the disc damping shaft 2108 can adjust the rotation axis to any angle when folding to prevent accidental rotation and improve the stability of the fuselage when folded; after rotation, the auxiliary element 2106 and the folding connecting element 2109 are fixed by internal screws to achieve the connection between the folding outer shell 2107 and the folding inner shell 2110.

[0073] The rope drive element 3102 is located in the groove of the base element 1106 on the shell. A circular hole is provided inside the rope drive element 3102 to pass through the rope drive element 3102 and prevent friction. By adjusting the rotation speed of the rope drive motor 3303, the tension element 3101 outside the body is pulled to adjust the intensity of muscle strength training.

[0074] Components not described in detail in this embodiment are all existing components that can be purchased through public channels.

[0075] The above description of the embodiments is intended to facilitate understanding and use of the invention by those skilled in the art. It will be apparent that those skilled in the art can readily make various modifications to these embodiments and apply the general principles described herein to other embodiments without requiring inventive effort. Therefore, the present invention is not limited to the above-described embodiments. Improvements and modifications made by those skilled in the art based on the disclosure of the present invention, without departing from the scope of the present invention, should be within the scope of protection of the present invention.

Claims

1. A lightweight foldable muscle rehabilitation training puller, characterized in that: include: A housing base module (1000), a folding module (2000), a rope drive module (3000), and an electronic component module arranged on the housing base module (1000); The folding module (2000) comprises two symmetrically arranged folding assemblies (2100); the folding assemblies (2100) comprise a disc damping rotating shaft (2108); the folding module (2000) achieves fuselage folding via the disc damping rotating shaft (2108); the folding assembly (2100) comprises a folding outer shell (2107) and a folding inner shell (2110) engaged via a groove; the folding outer shell (2107) and the folding inner shell (2110) are connected via the disc damping rotating shaft (2108); the disc damping rotating shaft (2108) achieves folding positioning with adjustable angles via a folding connecting element (2109); the disc damping rotating shaft (2108) provides rotational resistance in an unfolded state; The rope drive module (3000) comprises two symmetrically arranged tension components (3100), a rope drive connection component (3200), and a rope drive fixing component (3300); The tension component (3100) is connected to the rope winding component (3205) of the rope drive connection component (3200) via the rope drive component (3102), and the rope drive motor (3303) controls the tension strength of the rope winding component (3205); The electronic component module integrates a battery unit (4100) and an MCU (4101). The MCU (4101) is fixed inside the housing base module (1000) by embedding and is electrically connected to the rope drive motor (3303).

2. A lightweight foldable muscle rehabilitation training puller according to claim 1, characterized in that: The housing base module (1000) comprises two symmetrically arranged housing base components, wherein the housing base components comprise: an anti-slip base element (1101), a housing lower base element (1102), a lower base built-in element (1103), a housing support element (1104), an upper base built-in element (1105), and an upper housing base element (1106); The two housing base assemblies are connected via a folding module (2000); the anti-slip base element (1101) is fixed to the outside of the housing lower base element (1102); the lower base built-in element (1103) is fixed to the inside of the housing lower base element (1102); the lower base built-in element (1103) and the upper base built-in element (1105) are connected to the housing support element (1104); and the housing support element (1104) is connected to the inside of the housing upper base element (1106); The housing base module (1000) is connected to the folding module (2000) via a folding fixing element (2103).

3. A lightweight foldable muscle rehabilitation training puller according to claim 1, characterized in that: The folding assembly (2100) comprises: a bearing fixing element (2101), a folding bearing (2102), a folding fixing element (2103), a folding connecting shaft (2104), a front rotation auxiliary element (2105), a rear rotation auxiliary element (2106), a folding outer shell (2107), a disc damping rotating shaft (2108), a folding connecting element (2109) and a folding inner shell (2110); The foldable outer shell (2107) and the foldable inner shell (2110) are engaged with each other through grooves. The auxiliary element (2105) is fixed to the base element (1106) on the shell before rotation. The auxiliary element (2106) is fixed to the foldable outer shell (2107) after rotation and is connected to the disc damping shaft (2108) through the foldable connecting element (2109).

4. A lightweight foldable muscle rehabilitation training puller according to claim 3, characterized in that: The bearing fixing element (2101) fixes the folding bearing (2102) to the folding fixing element (2103); the folding fixing element (2103) is fixed to the base element (1106) on the housing, and the folding assembly (2100) is fixed to the built-in element (1103) under the base; the folding connecting shaft (2104) connects the fixed bearing fixing element (2101), the folding bearing (2102) and the folding fixing element (2103), and is connected to the disc damping shaft (2108); the rotating front The auxiliary element (2105) is located in the groove between the lower base element (1102) of the shell and the upper base element (1106) of the shell. Before rotation, the auxiliary element (2105) is fixed to the upper base element (1106) of the shell. After rotation, the auxiliary element (2106) is located in the groove of the foldable outer shell (2107) and fixed to the foldable outer shell (2107). The disc damping shaft (2108) is connected to the foldable connecting element (2109), and the foldable connecting element (2109) is further connected to the foldable inner shell (2110).

5. A lightweight foldable muscle rehabilitation training puller according to claim 1, characterized in that: The tension component (3100) comprises: a tension element (3101), a rope drive element (3102), and a rope drive housing connection element (3103); The tension element (3101) is connected to the rope drive element (3102) through an internal pull rod. The rope drive element (3102) is connected to the rope drive housing connecting element (3103), and then wrapped around the rope drive connecting assembly (3200) and fixed to the rope drive fixing assembly (3300).

6. A lightweight foldable muscle rehabilitation training puller according to claim 1, characterized in that: The rope drive connection assembly (3200) comprises: a first rope drive connection fixing bracket (3201), a rope drive connection shaft (3202), a first rope drive fixing ring (3203), a first rope drive fixing bearing (3204), a rope winding element (3205), a second rope drive fixing bearing (3206), a second rope drive fixing ring (3207) and a second rope drive connection fixing bracket (3208); The first rope drive fixing ring (3203) and the first rope drive fixing bearing (3204) are fixed on the rope winding element (3205); the first rope drive fixing ring (3203), the first rope drive fixing bearing (3204) and the rope winding element (3205) are connected to the rope drive connecting shaft (3202); the first rope drive connection fixing bracket (3201) is fixedly connected to the rope drive connecting shaft (3202); the first rope drive connection fixing bracket (3201) and the second rope drive connection fixing bracket (3208) are fixed in the built-in element (1103) under the base and the built-in element (1105) on the base.

7. A lightweight foldable muscle rehabilitation training puller according to claim 1, characterized in that: The rope-driven fixing assembly (3300) comprises: a motor front fixing bracket (3301), a rope-driven pressing element (3302), a rope-driven motor (3303), and a motor rear fixing bracket (3304); the rope-driven motor (3303) is fixed in the rope-driven pressing element (3302); the motor rear fixing bracket (3301) and the motor front fixing bracket (3304) are respectively fixedly connected to the rope-driven motor (3303).

8. A lightweight foldable muscle rehabilitation training puller according to claim 1, characterized in that: The electronic component module comprises: a battery unit (4100), a junction box unit (4200), and a voltage reduction unit (4300); The battery unit (4100) comprises: an MCU (4101), a battery fixing plate (4102), and a battery fixing element (4103); the MCU (4101) is fixed on the battery fixing plate (4102), and the battery (4104) is placed on the upper portion of the battery fixing plate (4102); The electronic component module is installed inside the housing base module (1000) via a battery fixing plate (4102) and a battery fixing element (4103).

9. A lightweight foldable muscle rehabilitation training puller according to claim 2, characterized in that: The shell base module (1000) is made of a carbon fiber composite material; the outer side of the shell upper base element (1106) is concave to facilitate the passage of the tension component (3100); grooves are provided on the inner sides of the shell upper base element (1106) and the shell lower base element (1102); and the shell support element (1104) adopts a hollow design to reduce the overall body weight.

10. A lightweight foldable muscle rehabilitation training puller according to claim 3, characterized in that: The folding assembly (2100) is folded downward by manual control to achieve miniaturization of the fuselage; grooves are provided on the outer sides of the folding outer shell (2107) and the folding inner shell (2110); the disc damping shaft (2108) can adjust the rotation axis to any angle when folding, thereby preventing accidental rotation and improving the stability of the fuselage when folding; after rotation, the auxiliary element (2106) is fixed to the folding connection element (2109), thereby achieving connection between the folding outer shell (2107) and the folding inner shell (2110).

Images