TWI853697B - Training device with stepless operation assembly - Google Patents

Abstract

The present invention relates to a training device with a stepless operation assembly, including a base, an operation assembly, and a stepless elevating unit. The base includes a base frame provided with a first pivotal section pivotally connected to a first connecting rod and a second connecting rod which are parallel with each other. The operation assembly is provided with a second pivotal section pivotally connected to the first connecting rod and the second connecting rod, thereby constituting a four-bar linkage; moreover, the operation assembly is provided with a pair of detachable operating members and generates a rotating resistance that is fed back to the pair of detachable operating members. The stepless elevating unit is fixed between the base and the operation assembly and is extensible and retractable to control the operation assembly to move between a highest operating position and a lowest operating position with respect to the base in a stepless manner. Therefore, the present invention is adapted to users of different heights and has the advantages of compact components, reduced size, and lower production costs.

Description

Training device with stepless lifting and lowering of the operating assembly

The present invention relates to a training structure that can be lifted and moved steplessly to accommodate operators of different heights to choose to use both hands or both feet for strength training.

Currently, some elderly people, people who have suffered a stroke, paralysis, lower limb injuries or people with mobility problems need to use a training device for regular rehabilitation to enhance muscle strength, endurance and coordination between upper and lower limbs.

For example, there is the utility model patent case CN206745852U "A kind of upper and lower limb training device" announced by the mainland of China on December 15, 2017. It is disclosed that: it has a frame, an upper limb training module and a lower limb training module; the frame includes an upper frame, a lower frame and a telescopic rod; the telescopic rod connects the upper frame and the lower frame; the upper limb training module is arranged on the upper frame; the lower limb training module is arranged on the lower frame; the upper frame includes an upper main frame and a first rotating frame; the first rotating frame is rotatably connected to the upper main frame through a first rotating element; the upper limb training module is fixedly connected to the first rotating frame. In this utility model, the upper limb training module can realize horizontal and vertical position training through the first rotating element, effectively improving the training effect and practicality.

And there is a utility model patent case No. CN215459852U "A kind of active and passive rehabilitation machine for upper and lower limbs" announced by the mainland of China on January 11, 2022. It is disclosed that: it includes a display, a mounting block, a first lifting device and a base connected in sequence from top to bottom, the mounting block is rotatably connected to a horizontal crossbeam, the horizontal crossbeam is connected to an upper limb trainer, and the lower part of the first lifting device is connected to a lower limb trainer; a rotating device is provided between the display and the mounting block, a telescopic device is provided on the horizontal crossbeam, the telescopic device is connected to the upper limb trainer, a second lifting device is provided between the first lifting device and the base, and a lower limb trainer in the same direction as the upper limb trainer is provided on the second lifting device. The rotating device is used to drive the display to rotate relative to the mounting block, the telescopic device is used to adjust the distance between the upper limb trainer and the mounting block, and the second lifting device is used to adjust the height between the lower limb trainer and the base.

The structures of the above-mentioned patents require two sets of operating assemblies (two operating parts and two corresponding resistance parts for the upper limbs and lower limbs), so the overall structure is more complicated, the volume is larger, and the manufacturing cost is relatively high. In particular, the operating assemblies of the upper limbs and lower limbs cannot be adjusted in height in an arbitrary and stepless manner to suit operators of different heights, so they are not ideal in use.

Therefore, in view of the above-mentioned shortcomings of the current upper and lower limb training devices, the present invention provides a training device with an operating assembly that can be raised and lowered steplessly, comprising: a base, a base frame is erected, the base frame is provided with a first pivot section, the first pivot section is pivotally connected with a first connecting rod and a second connecting rod in parallel; an operating assembly, a second pivot section is provided in parallel with the first pivot section, the second pivot section is pivotally connected with the first connecting rod and the second connecting rod, the first pivot section, the first connecting rod, the second connecting rod and the second pivot section constitute A parallel four-linkage assembly, the operating assembly is provided with two detachable operating parts, the two operating parts are connected to a resistance part, the resistance part is used to generate a rotational resistance feedback to the two operating parts; a stepless lifting unit is fixed between the base and the operating assembly, the stepless lifting unit is telescopic and movable, so that the parallel four-linkage assembly moves in parallel, so as to control the stepless movement of the operating assembly relative to the base between a highest operating position and a lowest operating position.

The front end of the base is provided with a front support rod, and the rear end is provided with a rear support rod. Flat plates are provided on the relatively inner sides of the rear support rod to form a storage area.

The first pivot section is longitudinally provided with two first pivot ends, one end of the first connecting rod and one end of the second connecting rod are respectively pivoted to the two first pivot ends, and the second pivot section is longitudinally provided with a plurality of second pivot ends, the other end of the first connecting rod and the other end of the second connecting rod are respectively pivoted to the second pivot ends.

The first connecting rod is configured to be Y-shaped, and the second connecting rod is configured to be I-shaped.

A stopper is provided below the base frame.

The operating assembly further includes a rotating shaft and a gearshift gear set. The two operating parts are detachably fixed to the two ends of the rotating shaft. The rotating shaft is connected to the gearshift gear set to drive the gearshift gear set to rotate. The resistance part is connected to the gearshift gear set. The resistance part allows the rotating shaft to feed back the rotation resistance to the two operating parts through the gearshift gear set.

The above-mentioned resistance element is a magnetic resistance element, a friction resistance element, an air resistance element, a liquid resistance element, a motor or an electromagnetic brake resistance element.

The above-mentioned operating part is a handle or a pedal.

The stepless lifting unit includes an outer tube, an inner tube, an action rod, a fixed seat and a lever. One end of the outer tube is pivoted to the base, one end of the inner tube is set inside the other end of the outer tube, the action rod is set inside the other end of the inner tube, the fixed seat is fixed between the outer edge of the other end of the inner tube and the second connecting rod, the action rod partially protrudes into the fixed seat, the lever is pivoted to the fixed seat, the lever is pulled to press the action rod, and the inner tube is controlled to move relative to the outer tube to move in parallel, so as to control the parallel movement of the parallel four-link assembly.

The above-mentioned operating assembly is provided with a display.

According to the above technical features, it has the following advantages:

1. The height of the operating assembly can be adjusted steplessly according to the height of different operators to accommodate operators of different heights. The operating assembly can also be moved steplessly from the highest operating position to the lowest operating position relative to the base frame to accommodate the operator's choice of using both hands or both feet for strength training.

2. Only one set of operating assemblies is needed to perform strength training for both hands or feet, so the overall structure is relatively simple, the volume can be greatly reduced, and the relative manufacturing cost is also relatively low.

3. In the whole movement process, the first pivot section and the second pivot section of the parallel four-link assembly maintain relative parallel movement, and the first connecting rod and the second connecting rod maintain relative parallel movement. No matter when it is adjusted to any operating height, the tilt angle of the operating assembly itself will not change during the movement process, and it will always be parallel to the ground, so as to maintain the best operating height.

1: Base

11: Front support rod

12: Rear support rod

13: Accommodation area

14: Base frame

141: Stopper

15: First joint section

151: First hub terminal

16: First connecting rod

17: Second connecting rod

2: Operation assembly

21: Second articulation section

22: Second hub terminal

23: Operating parts

24: Rotating axis

25: Speed gear set

26: Resistance piece

27: Display

3: Stepless lifting unit

31: External pipe

32: Inner tube

33: Action rod

34: Fixed seat

35: Lever

A: Operator

B: Wheelchair

[Figure 1] is a three-dimensional appearance diagram of an embodiment of the present invention.

[Figure 2] is a side view of an embodiment of the present invention.

[Figure 3] is an enlarged schematic diagram of the operating assembly of the embodiment of the present invention.

[Figure 4] is a schematic diagram of the working rod and the lever of the embodiment of the present invention arranged on the fixed seat.

[Fifth Figure] is a schematic diagram of an operator performing two-hand training in a wheelchair according to an embodiment of the present invention.

[Figure 6] is a schematic diagram of the lever pressing the action rod of the embodiment of the present invention.

[Figure 7] is a schematic diagram of the parallel movement of the parallel four-link assembly in the embodiment of the present invention to control the movement of the operating assembly relative to the base.

[Figure 8] is a schematic diagram of an operator performing bilateral leg training in a wheelchair according to an embodiment of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified, "multiple" and "plurality" mean two or more.

Please refer to the first, second and third figures, the embodiment of the present invention includes: a base 1, an operating assembly 2 and a stepless lifting unit 3, wherein: the base 1 has a front support rod 11 at the front end and a U-shaped rear support rod 12 at the rear end, so as to be stably supported on a plane, such as the ground. However, the base 1 can be in other shapes and is not limited to this embodiment. Flat plates are respectively provided on the relatively inner sides of the rear support rod 12 to form a receiving area 13. The base 1 is vertically fixed with a base frame 14, and a first pivot section 15 is provided at the top of the base frame 14. Two first pivot ends 151 are arranged longitudinally on the first pivot section 15. The two first pivot ends 151 are respectively pivoted to one end of a parallel first connecting rod 16 and one end of a second connecting rod 17. The two first pivot ends 151 are respectively a pivot. The first connecting rod 16 is Y-shaped, and the second connecting rod 17 is I-shaped. A stopper 141 is provided at the bottom of the base frame 14.

The operating assembly 2 is pivotally connected to the base frame 14. The operating assembly 2 is provided with a second pivot section 21, and a plurality of second pivot ends 22 are arranged longitudinally on the second pivot section 21. The second pivot ends 22 are respectively pivotally connected to the other end of the parallel first connecting rod 16 and the other end of the second connecting rod 17. The first pivot section 15, the first connecting rod 16, the second connecting rod 17 and the second pivot section 21 form a parallel four-link group, so that the operating assembly 2 can move steplessly from a highest operating position to a lowest operating position relative to the base frame 14. During the process, no matter when adjusting to any operating height, the first pivot section 15 and the second pivot section 21 of the parallelogram linkage maintain relative parallel movement, and the first connecting rod 16 and the second connecting rod 17 maintain relative parallel movement, so that the tilt angle of the operating assembly 2 itself will not change during the movement process, but will always be parallel to the ground (plane), and can be maintained at the optimal operating height. The operating assembly 2 further includes two operating members 23, a rotating shaft 24, a speed gear set 25 and a resistance member 26. The operating member 23 is a handle or a pedal. The two operating members 23 are detachably fixed to the two ends of the rotating shaft 24. The rotating shaft 24 is connected to the speed gear set 25 to drive the speed gear set 25 to rotate. The resistance member 26 is connected to the gear shift set 25. The resistance member 26 is used to generate a rotational resistance, and through the gear shift set 25, the shaft 24 has the rotational resistance, and the rotational resistance is fed back to the two operating members 23 for strength training. The resistance member 26 is a magnetic resistance member, a friction resistance member, an air resistance member, a liquid resistance member, a motor or an electromagnetic brake resistance member. The resistance member 26 of the embodiment of the present invention is a motor. After the motor is energized, the rotational resistance is generated through the transmission shaft (not shown in the figure), and is sequentially transmitted to the gear shift set 25, the shaft 24 and the two operating members 23. The operating assembly 2 is also provided with a display 27.

The stepless lifting unit 3 is fixed between the base 1 and the operating assembly 2. The stepless lifting unit 3 is a lifting air pressure rod. The stepless lifting unit 3 includes an outer tube 31, an inner tube 32, an action rod 33, a fixing seat 34 and a lever 35 (as shown in the fourth figure). One end of the outer tube 31 is hinged to the base 1, one end of the inner tube 32 is set inside the other end of the outer tube 31, and can be extended relative to the outer tube 31, and the action rod 33 is set inside the other end of the inner tube 32. The fixing seat 34 is fixed between the outer edge of the other end of the inner tube 32 and the second connecting rod 17, and the action rod 33 partially protrudes from the fixing seat 34. The lever 35 is pivotally connected to the fixing seat 34. By pulling the lever 35 to press the action rod 33, the inner tube 32 can be controlled to move in extension relative to the outer tube 31, so as to control the parallel movement of the parallel four-link assembly, and the operating assembly 2 can be controlled to move between the highest operating position and the lowest operating position of the base frame 14 in a stepless manner.

When used for upper limb (both hands) training operation, as shown in the first, third and fifth figures, the wheelchair B of an operator A can be parked in the accommodating area 13 on the relatively inner side of the rear support rod 12. Then, according to the height of the operator A, the operating assembly 2 is adjusted to an appropriate operating height relative to the base frame 14 close to the highest operating position. The adjustment method only requires pulling the lever 35 on the fixing seat 34, and the lever 35 can be used to press the action rod 33 (as shown in the sixth figure), so as to control the inner tube 32 to move relative to the outer tube 31, thereby controlling the parallel movement of the parallel four-link group, and controlling the operation assembly 2 to adjust upward to a suitable position until the first link 16 contacts the top of the base frame 14 and cannot move upward any further, which is the highest operation position. Then release the lever 35 and stop pulling it, and the stepless movement adjustment of the stepless lifting unit 3 can be stopped, so as to facilitate the operation of the operator A. When the operation training begins, the operator A holds the two operating parts 23 (handles) with both hands, and then rotates the two operating parts 23 with both hands to rotate the shaft 24 and drive the gearshift gear set 25. At the same time, the rotation resistance generated by the resistance member 26 can be transmitted to the gearshift gear set 25, and then fed back to the two operating parts 23 through the shaft 24, so as to provide strength training for the operator A's hands.

When the lower limbs (feet) are trained, as shown in the first, seventh and eighth figures, the two operating members 23 (handles) are first removed from the two ends of the rotating shaft 24, and then the other two operating members 23, which are pedals, are installed. Then the lever 35 is pulled on the fixing seat 34, and the lever 35 can be used to press the action rod 33 (as shown in the sixth figure), so as to control the inner tube 32 to retract relative to the outer tube 31, thereby controlling the parallel movement of the parallel four-link assembly, and thus controlling the operating assembly 2 to be adjusted downward to a suitable position, until the second link 17 contacts the stopper 141 below the base frame 14, and then cannot move downward any further, which is the lowest operating position. Then release the lever 35 and stop pulling it, and the stepless movement adjustment of the stepless lifting unit 3 can be stopped, so that the operator A can operate it conveniently. When starting the operation training, the operator A's feet step on the two operating parts 23 (pedals) respectively, and then step on the two operating parts 23 in turn, so that the shaft 24 rotates and the gearshift gear set 25 is driven. At the same time, the rotational resistance generated by the resistance member 26 can be transmitted to the gearshift gear set 25, and then fed back to the two operating parts 23 through the shaft 24, so as to provide strength training for the operator A's feet.

In this way, the height of the operating assembly 2 can be adjusted steplessly according to the height of different operators A, as shown in the first, fifth and eighth figures, to match the use of operators A of different heights. And the operating assembly 2 can be moved steplessly from the highest operating position to the lowest operating position relative to the base frame 14 to match whether the operator A chooses to perform strength training with both hands or both feet. Therefore, the disadvantage of the known training device that two sets of operating assemblies (two operating parts for upper limbs and lower limbs and two corresponding resistance parts) can be improved. Therefore, the overall structure of the present invention is simpler, the volume can be greatly reduced, and the relative manufacturing cost is also lower. Moreover, during the entire movement process, the first pivot section 15 and the second pivot section 21 of the parallelogram linkage maintain relative parallel movement, and the first connecting rod 16 and the second connecting rod 17 maintain relative parallel movement. No matter when it is adjusted to any operating height, the tilt angle of the operating assembly 2 itself will not change during the movement process, and it will always be parallel to the ground, so that the optimal operating height can be maintained.

Combined with the description of the above embodiments, the operation, use and effects of the present invention can be fully understood. However, the above embodiments are only the preferred embodiments of the present invention and cannot be used to limit the scope of implementation of the present invention. In other words, simple equivalent changes and modifications made according to the scope of the patent application and the content of the invention description are all within the scope of the present invention.

1: Base

11: Front support rod

12: Rear support rod

13: Accommodation area

14: Base frame

141: Stopper

15: First joint section

151: First hub terminal

16: First connecting rod

17: Second connecting rod

2: Operation assembly

21: Second articulation section

22: Second hub terminal

23: Operating parts

24: Rotating axis

25: Speed gear set

26: Resistance piece

27: Display

3: Stepless lifting unit

31: External pipe

32: Inner tube

34: Fixed seat

Claims (9)

A training device with an operating assembly capable of stepless lifting comprises: a base, a base frame being erected thereon, the base frame being provided with a first pivot section, the first pivot section being pivotally connected with a first connecting rod and a second connecting rod in parallel; an operating assembly being provided with a second pivot section parallel to the first pivot section, the second pivot section being pivotally connected with the first connecting rod and the second connecting rod, the first pivot section, the first connecting rod, the second connecting rod and the second pivot section forming a parallel four-link group, the operating assembly being provided with two detachable operating members, the two operating members being linked to a resistance member, the resistance member being used to generate a rotational resistance feedback to the two operating members, the operating assembly being provided with a second pivot section parallel to the first pivot section, the second pivot section being pivotally connected with the first connecting rod and the second connecting rod, the first pivot section, the first connecting rod, the second connecting rod and the second pivot section forming a parallel four-link group The operating assembly further includes a rotating shaft and a gearshift gear set. The two operating parts are detachably fixed to the two ends of the rotating shaft. The rotating shaft is connected to the gearshift gear set to drive the gearshift gear set to rotate. The resistance part is connected to the gearshift gear set. The resistance part allows the rotating shaft to feed back the rotation resistance to the two operating parts through the gearshift gear set. A stepless lifting unit is fixed between the base and the operating assembly. The stepless lifting unit can be telescopically moved to make the parallel four-link set move in parallel to control the stepless movement of the operating assembly relative to the base between a highest operating position and a lowest operating position. As in claim 1, the training device with an operating assembly that can be raised and lowered steplessly, wherein the front end of the base is provided with a front support rod, the rear end is provided with a rear support rod, and flat plates are provided on the relatively inner sides of the rear support rod to form a storage area. The training device of claim 1 in which the operating assembly can be raised and lowered steplessly, wherein the first pivot section is longitudinally provided with two first pivot ends, one end of the first connecting rod and one end of the second connecting rod are respectively pivoted to the two first pivot ends, and the second pivot section is longitudinally provided with a plurality of second pivot ends, the other end of the first connecting rod and the other end of the second connecting rod are respectively pivoted to the second pivot ends. For example, the training device of claim 1, in which the operating assembly can be raised and lowered steplessly, wherein the first connecting rod is configured to be Y-shaped, and the second connecting rod is configured to be I-shaped. For example, in the training device of claim 1, the operating assembly can be raised and lowered steplessly, wherein a stop portion is provided at the bottom of the base frame. A training device with an operating assembly capable of stepless lifting as in claim 1, wherein the resistance element is a magnetic resistance element, a friction resistance element, an air resistance element, a liquid resistance element, a motor or an electromagnetic brake resistance element. A training device with an operating assembly that can be raised and lowered steplessly as in claim 1, wherein the operating member is a handle or a pedal. The training device of claim 1, wherein the stepless lifting unit comprises an outer tube, an inner tube, an action rod, a fixed seat and a lever, one end of the outer tube is pivoted to the base, one end of the inner tube is set inside the other end of the outer tube, the action rod is set inside the other end of the inner tube, the fixed seat is fixed between the outer edge of the other end of the inner tube and the second connecting rod, the action rod partially protrudes into the fixed seat, the lever is pivoted to the fixed seat, the lever is pulled to press the action rod, and the inner tube is controlled to move relative to the outer tube to move in parallel, so as to control the parallel movement of the parallel four-link assembly. A training device in which the operating assembly of claim 1 can be raised and lowered steplessly, wherein the operating assembly is provided with a display.

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