A flexible lifting mechanism for an anti-gravity treadmill

Abstract

The present invention discloses a flexible lifting mechanism for an anti-gravity treadmill, which is installed between an airbag and a treadmill frame and includes a waist ring, a waist ring fixing belt, a waist ring handle, a height adjustment belt, and an adjustment roller assembly; one end of the waist ring fixing belt is connected to the airbag, and the other end is fixed to the front frame; one end of the waist ring handle is hinged to the waist ring, and the other end is sleeved on the middle frame; the adjustment roller assembly is installed in the base, and one end of the height adjustment belt is fixedly connected to the waist ring, and the other end is connected to the adjustment roller assembly. The adjustment roller assembly includes an end seat, an end cover, a roller, a roller pin, a left limit pin, a right limit pin, a limit swing pin, and a positioning pin; the two ends of the roller are respectively installed in the end seat, the end cover is fixed to the outside of the end seat, the roller pin is fixed to the end of the roller, the limit swing pin is hinged to the inside of the end cover, and the left limit pin and the right limit pin are symmetrically fixed on both sides of the limit swing pin. This lifting mechanism has the characteristics of optimized structure, simple maintenance, convenient repair, safety and practicality, and low cost.

Description

Technical Field

[0001] The present application relates to the field of exercise or therapeutic rehabilitation, and specifically to a flexible lifting mechanism for an anti-gravity treadmill. Background Art

[0002] The anti-gravity treadmill works by fitting a sealable bodysuit with airbags attached to the patient's body. The air pressure inside the sealed chamber is higher than the ambient pressure, creating buoyancy by leveraging the air pressure differential (which provides variable lift and reduces walking load). Adjusting the pressure differential between the inside and outside creates varying weight loss ratios, minimizing the impact of weight on the patient's walking. Currently disclosed technical solutions include China Authorization Publication No. CN101896152B, "System, Method, and Apparatus for Air Pressure Differential Devices," China Application Publication No. 102481225A, "Air Pressure Differential System," and China Application Publication No. CN106794107A, "Pressure Chamber and Lifting Device for Air Pressure Differential System with Medical Data Collection Capability."

[0003] Among them, the lifting device in the above-mentioned public solution has complex shape and process, and the operation during lifting and adjustment is complicated, and it is difficult for one person to operate it, which makes the device cost high, the structure complex, and the assembly process cumbersome, and also affects the patient's experience. Summary of the Invention

[0004] The purpose of the present invention is to provide an anti-gravity treadmill flexible lifting mechanism, which can adapt to the heights of people of different heights, is easy to operate, has high safety and simple production process.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a flexible lifting mechanism for an anti-gravity treadmill, installed between an airbag and a treadmill bracket, the treadmill bracket including a front bracket, a base and a middle bracket; further comprising a waist ring, a waist ring fixing belt, a waist ring handle, a height adjustment belt and an adjustment roller assembly; the waist ring is fixed to the upper side of the airbag; one end of the waist ring fixing belt is connected to the airbag, and the other end is fixed to the front bracket; one end of the waist ring handle is hinged to the waist ring, and the other end is sleeved on the middle bracket; the adjustment roller assembly is installed in the base, and one end of the height adjustment belt is fixedly connected to the waist ring, and the other end is connected to the adjustment roller assembly.

[0006] Preferably, the adjustment roller assembly includes an end seat, an end cover, a roller, a roller pin, a left limit pin, a right limit pin, a limit pendulum pin and a positioning pin; the two ends of the roller are respectively installed in the end seat, the end cover is fixed to the outside of the end seat, the roller pin is fixed to the end of the roller, the limit pendulum pin is hinged to the inside of the end cover, the left limit pin and the right limit pin are symmetrically fixed on both sides of the limit pendulum pin, and the positioning pin is installed on the end seat.

[0007] Preferably, the roller is provided with a movable splint, which is connected to the roller via bolts, and the end of the height adjustment belt is pressed and fixed between the movable splint and the roller.

[0008] Preferably, the roller is provided with a pin hole matching the positioning pin.

[0009] Preferably, the lower end of the position-limiting pendulum pin is a cone, and the position-limiting pin is fixed below the hinge point of the position-limiting pendulum pin.

[0010] Preferably, the middle bracket is provided with a snap-fit ​​stopper.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] It is light in weight and does not require a separate balancing weight, making it easy to maintain and low in cost.

[0013] The height of the waist ring is achieved by adjusting the roller to retract and extend the height adjustment belt, and it is quickly positioned by the positioning pin. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the present invention when in use;

[0015] Figure 2 This is a structural diagram of the present invention in a retracted state;

[0016] Figure 3 It is a schematic diagram of the structure of the end portion of the adjustment roller assembly;

[0017] Figure 4 Schematic diagram for adjusting the counterclockwise limit position of the roller assembly;

[0018] Figure 5 Schematic diagram for adjusting the middle position of the roller assembly;

[0019] Figure 6 Schematic diagram of the clockwise limit position for adjusting the roller assembly;

[0020] Figure 7 Schematic diagram of the structure of the adjustment roller assembly;

[0021] Figure 8 It is a schematic diagram of the structure of the end portion of the adjustment roller assembly;

[0022] Figure 9 It is a schematic diagram of the positions of the end cover, the limit pin, the left limit pin, and the right limit pin.

[0023] In the figure: A, front bracket; B, middle bracket; C, airbag; D, base; 1, waist ring fixing belt; 2, waist ring; 3, waist ring handle; 4, height adjustment belt; 5, adjustment roller assembly; 5-1, roller; 5-2, end seat; 5-3, positioning pin; 5-4, end cover; 5-5, limit swing pin; 5-6, left limit pin; 5-7, roller pin; 5-8, fixing screw; 5-9, right limit pin; 6, engagement block; 7, movable splint. Implementation Method

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example

[0025] See also Figures 1 to 7 , which is the first embodiment of the present invention, provides an anti-gravity treadmill flexible lifting mechanism, which is installed between the airbag C and the treadmill frame, and the treadmill frame includes a front frame A, a base D and a middle frame B; the anti-gravity treadmill flexible lifting mechanism includes a waist ring 2, a waist ring fixing belt 1, a waist ring handle 3, a height adjustment belt 4 and an adjustment roller assembly 5; the waist ring 2 is fixed on the upper side of the airbag C; one end of the waist ring fixing belt 1 is connected to the airbag C, and the other end is fixed to the front frame A; one end of the waist ring handle 3 is hinged to the waist ring 2, and the other end is engaged with the middle frame B; the adjustment roller assembly 5 is installed in the base D, and one end of the height adjustment belt 4 is fixedly connected to the waist ring 2, and the other end is connected to the adjustment roller assembly 5.

[0026] Furthermore, the height adjustment belt 4 is made of elastic material. The waist ring handle 3 can be directly hung on the locking block 6.

[0027] Furthermore, the adjustment roller assembly 5 includes an end seat 5-2, a bearing 5-9, an end cover 5-4, a roller 5-1, a roller pin 5-7, a left limit pin 5-6, a right limit pin 5-9, a limit pendulum pin 5-5 and a positioning pin 5-3; both ends of the roller 5-1 are respectively installed in the end seat 5-2, and the roller 5-1 can rotate in the end seat 5-2; the end cover 5-4 is fixed to the outside of the end seat 5-2, the roller pin 5-7 is fixed to the end of the roller 5-1, the limit pendulum pin 5-5 is hinged to the inside of the end cover 5-4, the left limit pin 5-6 and the right limit pin 5-9 are symmetrically fixed on both sides of the limit pendulum pin 5-5, and the positioning pin 5-3 is installed on the end seat 5-2 and simultaneously passes through the pin hole on the roller 5-1.

[0028] Further, such as Figures 4 to 6The adjusting roller assembly 5 has three gears to adjust the height of the airbag C by controlling the retraction and extension of the height adjusting belt 4. Figure 4 When the roller 5-1 is rotated counterclockwise, the roller pin 5-7 on the roller 5-1 pushes the limit pendulum pin 5-5 to rotate, and the limit pendulum pin 5-5 reaches the limit position when it contacts the right limit pin 5-6. Figure 6 As shown, when roller 5-5 is rotated clockwise, roller pin 5-7 on roller 5-5 pushes limit pin 5-5 to rotate. Limit pin 5-5 reaches its limit position when it contacts right limit pin 5-9. This limit position corresponds to a length adjustment range of 5cm to 15cm for height adjustment belt 4. When limit pin 5-5 is at its highest position, height adjustment belt 4 is at an intermediate length, thereby achieving the goal of adjusting roller assembly 5 to three adjustment levels.

[0029] Furthermore, a movable splint 7 is provided on the roller 5 - 1 , and the movable splint 7 is connected to the roller 5 - 1 by bolts, and the end of the height adjustment belt 4 is pressed and fixed between the movable splint 7 and the roller 5 - 1 .

[0030] Furthermore, a pin hole matching the positioning pin 5-3 is opened on the roller 5-1.

[0031] Furthermore, the lower end of the limiting pendulum pin 5-5 is a cone, and the limiting pin 5-6 is fixed below the hinge point of the limiting pendulum pin 5-5.

[0032] Although the embodiments of the present invention have been shown and described, as detailed above, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the invention, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A flexible lifting mechanism for an anti-gravity treadmill, installed between an airbag and a treadmill frame, wherein the treadmill frame comprises a front frame, a base, and a middle frame, and is characterized by: The anti-gravity treadmill flexible lifting mechanism includes a waist ring, a waist ring fixing belt, a waist ring handle, a height adjustment belt and an adjustment roller assembly; the waist ring is fixed to the upper side of the airbag; one end of the waist ring fixing belt is connected to the airbag, and the other end is fixed to the front bracket; one end of the waist ring handle is hinged to the waist ring, and the other end is sleeved on the middle bracket; the adjustment roller assembly is installed in the base, and one end of the height adjustment belt is fixedly connected to the waist ring, and the other end is connected to the adjustment roller assembly; The adjusting roller assembly includes an end seat, an end cover, a roller, a roller pin, a left limit pin, a right limit pin, a limit pendulum and a positioning pin; the two ends of the roller are respectively installed in the end seat, the end cover is fixed to the outside of the end seat, the roller pin is fixed to the end of the roller, the limit pendulum is hinged to the inside of the end cover, the left limit pin and the right limit pin are symmetrically fixed on both sides of the limit pendulum, the positioning pin is installed on the end seat, and a movable splint is provided on the roller, which is connected to the roller by bolts, and the end of the height adjustment belt is pressed and fixed between the movable splint and the roller; a pin hole matching the positioning pin is opened on the roller; the lower end of the limit pendulum is a cone, and the limit pin is fixed below the hinge point of the limit pendulum.

2. The anti-gravity treadmill flexible lifting mechanism according to claim 1, characterized in that: The middle bracket is provided with a locking block.

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