CN114129968B - A portable and foldable lower limb rehabilitation instrument - Google Patents

Abstract

The invention belongs to the technical field of rehabilitation tools, and particularly relates to a portable foldable lower limb rehabilitation instrument which comprises a first transverse base plate and a second transverse base plate, wherein the first transverse base plate and the second transverse base plate are positioned right above the first transverse base plate, U-shaped hand supports are fixedly arranged on the upper surfaces of the sides, far away from each other, of the first transverse base plates, and anti-skidding handles are fixedly arranged at one ends, far away from the first transverse base plates, of the two U-shaped hand supports. The weight that user's shank bore is the same all the time in whole recovered motion, so can not cause extra impact to shank joint department, in the recovered exercise of effectual help low limbs injured person, accomplish to use the effective protection of shank joint department in the at utmost, reduce the probability that the user received secondary injury, shank joint department can bear more impact forces when the current recovered exercise of effectual solution, influences the recovered process of low limbs injury person and brings the problem of secondary injury even.

Description

A portable and foldable lower limb rehabilitation instrument

technical field

The invention belongs to the technical field of rehabilitation appliances, in particular to a foldable lower limb rehabilitation instrument that is easy to carry.

Background technique

Rehabilitation training refers to physical activities that are conducive to recovery or improvement of function after injury. Except for serious injuries that require rest treatment, general injuries do not need to completely stop physical exercises. Appropriate and scientific physical exercises are beneficial to the rapid healing of injuries and the promotion of function. Recovery has a positive effect, maintaining a good physical condition, through rehabilitation training can prevent muscle atrophy and contracture, healthy limb movement ability, maintain good cardiopulmonary function, so that once the injury is healed, it can be immediately put into normal physical exercise.

Lower extremity injury is a relatively common type of injury. Because the legs have many movable joints and need to bear the own weight of the upper limbs, reasonable rehabilitation training for lower extremity injuries can help them recover better. The part in the lower half of the human body needs to bear the body's own weight, which makes the leg joints of the lower limb injured person bear more impact force when using traditional rehabilitation exercises, which affects the rehabilitation process of the lower limb injured person and even brings about secondary injury. question.

SUMMARY OF THE INVENTION

In order to solve the problems raised in the above background art. The present invention provides a portable and foldable lower limb rehabilitation instrument, which solves the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a foldable lower extremity rehabilitation instrument that is easy to carry, comprising two lateral base plates one and two lateral base plates, the second lateral base plate is located directly above the first lateral base plate , a U-shaped handrail is fixedly installed on the upper surface of the two lateral substrates, one side is far away from each other, and one end of the two U-shaped handrails is fixedly installed with a non-slip grip away from the horizontal substrate. The left and right ends away from one side are rotatably installed with two connecting plates one, one end of the two connecting plates one is far away from the horizontal base plate and one end is rotatably connected with the second horizontal base plate, and the two connecting plates one is close to the side of the U-shaped handrail. There is a second connecting plate, and the left and right ends of the second connecting plate are respectively connected with the two connecting plates in rotation.

Preferably, the surfaces of the first and second lateral substrates close to the side of the U-shaped handrail are provided with slots, and U-shaped pins are inserted into the slots of the first and second lateral substrates, and the two lateral The right end of the base plate 1 is rotatably installed with a base, the upper surface of the base is rotatably installed with a drive screw, the surface of the drive screw is threadedly connected with an inner thread sleeve, and the inner thread sleeve close to the second lateral base plate is rotatably connected with the second lateral base plate. Two mounting seats are fixedly installed on the surfaces of the two lateral base plates that are close to each other, and two transmission curved rods are arranged on one side of the two lateral base plates that are close to each other. The four mounting bases on one side of the base plate two are connected in rotation, and the pedals one and the second pedal are respectively arranged directly above the two transmission curved rods. Both the first and second pedals are rotatably connected to the two transmission crank rods through two installation kits. The lower surfaces of the installation kits near the left ends of the first and second pedals are rotatably installed with rotating rollers. There are two mounting bases, the front and rear ends of the two mounting bases are fixedly connected to the two lateral base plates, respectively, and the inside of the two mounting bases are respectively fixed with a regulating cylinder 1 and a regulating cylinder 2, and the right end of the regulating cylinder 1 is provided with Exhaust pipe, one end of the exhaust pipe close to the control cylinder is fixedly installed with a connecting flange, the exhaust pipe is fixedly connected with the control cylinder through the connection flange, and one end of the exhaust pipe is away from the control cylinder. A piston is slidably installed inside the cylinder 1, and a spring is arranged on the side of the piston close to the exhaust pipe. The left and right ends of the spring are respectively connected to the regulating cylinder 1. A connecting rope is fixedly installed at one end of the piston away from the spring. A side mounting seat is fixedly installed on one side close to each other, and the two side mounting seats are fixedly connected with a transmission shaft on one side close to each other, and two guide wheels are rotatably installed on the circumferential surface of the transmission shaft. , and is fixedly connected with the rotating roller around the guide wheel.

Preferably, a rotating wrench is fixedly installed at one end of the transmission screw rod away from the base, and the two transverse base plates are symmetrically arranged in front and back along the vertical middle line of the transmission shaft.

Preferably, the first lateral base plate and the second lateral base plate are parallel to each other, and the U-shaped plug and the notch are completely matched in size and position.

Preferably, the first pedal and the second pedal have the same structure and size, the interior of the regulating cylinder 1 is hollow, the regulating cylinder 1 and the piston are concentrically arranged, and the regulating cylinder 1 and the piston are completely matched in size and position.

Preferably, the first regulating cylinder and the second regulating cylinder are identical in structure, composition and size, and the second regulating cylinder is connected with the pedal two through a connecting rope.

Preferably, the first regulating cylinder and the second regulating cylinder are in the same horizontal plane, the first regulating cylinder is located directly below the first pedal, and the second regulating cylinder is located directly below the second pedal.

Compared with the prior art, the beneficial effects of the present invention are:

1. This portable and foldable lower extremity rehabilitation device is placed in a horizontal area by setting a transmission curved rod, a pedal 1, a pedal 2, a regulating cylinder 1 and a regulating cylinder 2, and then the top of the transmission screw can be rotated. Rotate the drive screw with the turning wrench, and use the transmission cooperation between the inner threaded sleeve and the drive screw to pull up the horizontal base plate 2 to expand it. At this time, the user can place his feet on the surface of the first pedal and the second pedal, and the user's hands are supported by the U-shaped handrail to assist the patient in rehabilitation training. For active use, the user realizes the in-situ rehabilitation exercise by stepping down the left and right feet alternately. Due to the characteristics of the drive bending rod itself, when the pedal is stepped on, the second pedal will be lifted according to the situation, and the two are in an alternating state. During the exercise, the user's feet do not have to leave. The entire rehabilitation training runs reciprocatingly. The weight on the user's legs is always the same throughout the rehabilitation exercise, so it will not cause additional impact on the leg joints. While helping people with lower extremity injuries, it can effectively protect the leg joints to the greatest extent, reduce the probability of users suffering secondary injuries, and effectively solve the problem that the existing rehabilitation exercises will bear more on the leg joints. The impact force will affect the rehabilitation process of people with lower extremity injuries and even bring about secondary injuries.

2. The portable and foldable lower extremity rehabilitation instrument can be used for folding and retracting the horizontal base plate 1 and the lateral base plate 2 by setting the connecting plate 1, the connecting plate 2, the U-shaped latch and the transmission screw, and the reduction is reduced when not in use. Occupying space and volume, it is convenient to carry and use, and can be placed and used according to the user's choice.

3. The portable foldable lower extremity rehabilitation instrument can reciprocately drag the piston inside the control cylinder through the connecting rope when the pedal is forced to move by setting the control cylinder, and the piston can be adjusted by adjusting the switch valve. The gas volume on the right side is regulated, so as to regulate the force required to pull the piston, which is convenient for the user to perform gradual strength rehabilitation exercises.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

2 is a schematic diagram of a first partial three-dimensional structure of the present invention;

3 is a schematic diagram of a second partial three-dimensional structure of the present invention;

Fig. 4 is the partial front view structure schematic diagram of the present invention;

Fig. 5 is the partial sectional structure schematic diagram of the present invention;

FIG. 6 is a schematic diagram of the transmission structure of the transmission curved rod of the present invention;

Fig. 7 is the partial structure schematic diagram of A place in Fig. 6 of the present invention;

FIG. 8 is a schematic diagram of the partial structure at B in FIG. 6 of the present invention.

Among them, 1 transverse base plate 1, 2 transverse base plate 2, 3U-shaped handrail, 4 connecting plate 1, 5 connecting plate 2, 6U-shaped bolt, 7 base, 8 transmission screw, 9 internal thread sleeve, 10 Mounting seat, 11 Transmission crank rod, 12 installation kit, 13 pedal one, 14 turning roller, 15 connecting rope, 16 pedal two, 17 regulating cylinder 1, 18 regulating cylinder 2, 19 exhaust pipe, 20 connecting flange, 21 switch valve, 22 piston , 23 springs, 24 installation base frame; 25 side installation seat; 26 transmission shaft; 27 guide wheel.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-8, the present invention provides the following technical solutions: a foldable lower extremity rehabilitation instrument that is easy to carry, comprising two lateral base plates 1 and two lateral base plates 2, and the lateral base plate 2 is located on the lateral base plate 1 Just above the 1, the horizontal base plate 1 and the lateral base plate 2 2 are parallel to each other, the two lateral base plates 1 1 are symmetrically arranged in front and back with the vertical middle line of the transmission shaft 26, and the upper surfaces of the two lateral base plates 1 on one side away from each other are fixed. A U-shaped handrail 3 is installed, and the two U-shaped handrails 3 are fixedly installed at one end of the two U-shaped handrails 3 away from the horizontal base plate—one end is fixedly installed with a non-slip grip. For the stability of the upper body in the middle, the left and right ends of the two lateral base plates 1 away from each other are rotatably installed with two connecting plates 1 4. Rotating connection, two connecting plates 1 4 are provided with connecting plates 2 5 on one side close to the U-shaped handrail 3, the left and right ends of the connecting plates 2 5 are respectively connected with the two connecting plates 1 4 in rotation, and the horizontal base plate 1 is connected with the horizontal The surface of the base plate 2 2 close to the side of the U-shaped handrail 3 is provided with a notch, and a U-shaped plug 6 is inserted into the groove of the lateral base plate 1 and the lateral base plate 2 2. The U-shaped plug 6 and the notch structure The sizes and positions are completely matched. The right ends of the two horizontal base plates 1 are both rotatably installed with a base 7, and the upper surface of the base 7 is rotatably installed with a drive screw 8. The side of the threaded sleeve 9 close to the lateral base plate 2 2 is rotatably connected with the lateral base plate 2 2 , and a rotating wrench is fixedly installed at one end of the transmission screw 8 away from the base 7 . The transmission cooperation between the threaded sleeve 9 and the driving screw 8 pulls the horizontal base plate 2 upward and unfolds. After the horizontal base plate 2 is unfolded to the designated position, the U-shaped latch 6 can be used to connect the horizontal base plate 1 and the horizontal base plate 2. 2. The position is limited, and the horizontal substrate 1 and the horizontal substrate 2 can be folded and stored for use, which reduces the occupation of space and volume when not in use, and is convenient for carrying and use, and can be placed and used according to the user's choice. At the same time, when in use, it can be deployed and installed very conveniently. Two mounting seats 10 are fixedly installed on the surfaces of the two lateral substrates 2 on one side close to each other, and two lateral substrates 2 are provided on one side close to each other There are two transmission crank rods 11 , the left and right ends of the two transmission crank rods 11 are respectively rotatably connected with the four mounting seats 10 on one side of the two lateral base plates 2 2 that are close to each other. The first pedal 13 and the second pedal 16, the first pedal 13 and the second pedal 16 have the same structure and size, the lower surfaces of the first pedal 13 and the second pedal 16 are fixedly installed with two installation kits 12, and the first pedal 13 and the second pedal 16 pass through. The two installation kits 12 are rotatably connected with the two transmission crank rods 11. The lower surfaces of the installation kits 12 near the left ends of the pedal one 13 and the pedal two 16 are rotatably installed with rotating rollers 14. Two mounting bases 24. The front and rear ends of the two installation base frames 24 are respectively fixedly connected with the two lateral substrates-1, and the inside of the two installation base frames 24 are respectively fixedly installed with a regulating cylinder 1 17 and a regulating cylinder 2 18. The second regulating tube 18 is in the same horizontal plane, the regulating tube 1 17 is located directly below the pedal one 13, the regulating tube 2 18 is located directly below the pedal two 16, the regulating tube 1 17 and the regulating tube 2 18 have the same structure and size corresponding to each other, The second regulating cylinder 18 is connected with the second pedal 16 through the connecting rope 15, the right end of the regulating cylinder 1 17 is provided with an exhaust pipe 19, and the exhaust pipe 19 is fixedly installed with a connecting flange 20 near one end of the regulating cylinder 17, and the exhaust pipe 19 The connecting flange 20 is fixedly connected with the regulating cylinder 1 17, the end of the exhaust pipe 19 away from the regulating cylinder 1 17 is fixedly installed with an on-off valve 21, the interior of the regulating cylinder 1 17 is slidably installed with a piston 22, and the interior of the regulating cylinder 1 17 is hollow shape, the regulating cylinder one 17 and the piston 22 are arranged concentrically, the regulating cylinder one 17 is completely matched with the structure size and position of the piston 22, the piston 22 is provided with a spring 23 on the side close to the exhaust pipe 19, and the left and right ends of the spring 23 are respectively The piston 22 is fixedly connected with the regulating cylinder-17, the connecting rope 15 is fixedly installed at one end of the piston 22 away from the spring 23, and the side mounting seats 25 are fixedly installed on the left ends of the two lateral base plates-1 close to each other, and the two side mounting seats 25 are fixed to each other. A transmission shaft 26 is fixedly connected to one side, and two guide wheels 27 are rotatably installed on the circumferential surface of the transmission shaft 26. One end of the connecting rope 15 away from the piston 22 passes through the regulating cylinder 17, and bypasses the guide wheel 27 and is fixed with the rotating roller 14. Connection, by setting the regulating cylinder one 17, when the pedal one 13 is forced to move, the piston 22 inside the regulating cylinder one 17 can be dragged back and forth through the connecting rope 15, and the gas volume on the right side of the piston 22 can be adjusted by adjusting the switch valve 21. It is used to regulate and control the force required to pull the piston 22, which is convenient for the user to perform gradual strength rehabilitation exercises. The characteristic of its own curved bar is that when stepping on the first pedal 13, the second pedal 16 will be lifted, and the two operate in an alternating state. During the exercise, the user's feet do not have to leave. During the exercise, the weight on the user's legs is always the same, so it will not cause additional impact on the leg joints. While effectively helping the lower limb injured person to recover and practice, it can effectively protect the leg joints to the greatest extent. Use, reduce the probability of the user suffering from secondary injury, effectively solve the problem that the leg joints will bear more impact force during the existing rehabilitation exercises, affect the rehabilitation process of the lower limb injury personnel and even bring about secondary injury.

The working principle and use process of the present invention: when the present invention is used, first, select a horizontal plane area, and place the device in the horizontal area, and then rotate the driving screw 8 by rotating the rotating wrench on the top of the driving screw 8, and The horizontal base plate 2 2 is pulled up and unfolded by means of the transmission cooperation between the inner threaded sleeve 9 and the driving screw 8. After the horizontal base plate 2 2 is unfolded to the designated position, the U-shaped latch 6 can be used to connect the horizontal base plate 1 to the horizontal base plate 1 . The position of the base plate 2 2 is limited. At this time, the user can place his feet on the surfaces of the pedal one 13 and the pedal two 16 respectively. At the same time, the user's hands are supported by the U-shaped handrail 3 to assist the patient in When used in rehabilitation training activities, the user realizes the in-situ rehabilitation exercise by stepping down the left and right feet alternately. Due to the use of the characteristic of the transmission curved rod 11 itself, when stepping on the pedal 1 13, the pedal 2 16 will be lifted according to the trend, and the two pedals will be lifted. During the exercise, the user's feet do not have to leave. The whole rehabilitation training runs reciprocatingly, and the weight on the user's legs is always the same throughout the rehabilitation exercise, so it will not cause any damage to the leg joints. Extra impact, while effectively helping the lower limb injured person in the rehabilitation exercise, can effectively protect the leg joints to the greatest extent, reduce the probability of the user suffering from secondary injury, and effectively solve the existing rehabilitation exercises for the legs. The joints will bear more impact force, which affects the rehabilitation process of people with lower extremity injuries and even causes secondary injuries.

Finally, it should be noted that the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (6)

1. The utility model provides a recovered appearance of folded cascade's lower limbs convenient to carry, includes two horizontal base plates one (1) and two horizontal base plates two (2), its characterized in that: the transverse base plate II (2) is located right above the transverse base plate I (1), U-shaped handrails (3) are fixedly mounted on the upper surfaces of the two transverse base plate I (1) far away from one side, anti-skidding grips are fixedly mounted at the ends of the two U-shaped handrails (3) far away from the transverse base plate I (1), two connecting plates I (4) are rotatably mounted at the left end and the right end of the two transverse base plate I (1) far away from one side, one ends of the two connecting plates I (4) far away from the transverse base plate I (1) are rotatably connected with the transverse base plate II (2), a connecting plate II (5) is arranged at one side of the two connecting plates I (4) close to the U-shaped handrails (3), and the left end and the right end of the connecting plate II (5) are rotatably connected with the two connecting plates I (4) respectively;

the surface of one side, close to the U-shaped hand support (3), of each of the first transverse base plate (1) and the second transverse base plate (2) is provided with a notch, a U-shaped bolt (6) is inserted into the notches of the first transverse base plate (1) and the second transverse base plate (2), the right ends of the first transverse base plates (1) are rotatably provided with bases (7), the upper surface of each base (7) is rotatably provided with a transmission screw (8), the surface of the transmission screw (8) is in threaded connection with an internal thread sleeve (9), one side, close to the second transverse base plate (2), of the internal thread sleeve (9) is rotatably connected with the second transverse base plate (2), the surface of one side, close to the second transverse base plates (2), of the two transverse base plates (2) is fixedly provided with two mounting seats (10), one side, close to the second transverse base plates (2) is provided with two transmission curved rods (11), the left end and the right end of each transmission curved rod (11) are rotatably connected with four mounting seats (10) on one side, close to the second transverse base plates (2), respectively, a first pedal (13) and a second pedal (16) are respectively arranged right above the two transmission curved rods (11), two installation external parts (12) are respectively fixedly installed on the lower surfaces of the first pedal (13) and the second pedal (16), the first pedal (13) and the second pedal (16) are respectively rotatably connected with the two transmission curved rods (11) through the two installation external parts (12), rotating rollers (14) are respectively rotatably installed on the lower surfaces of the installation external parts (12) close to the left ends of the first pedal (13) and the second pedal (16), two installation base frames (24) are respectively arranged right below the two transmission curved rods (11), the front end and the rear end of each of the two base frame installation base frames (24) are respectively and fixedly connected with the first transverse base plates (1), a first regulation cylinder (17) and a second regulation cylinder (18) are respectively and fixedly installed in the two installation base frames (24), an exhaust pipe (19) is arranged at the right end of the first regulation cylinder (17), a connecting flange (20) is fixedly installed at one end, close to a first regulation cylinder (17), of an exhaust pipe (19), the exhaust pipe (19) is fixedly connected with the first regulation cylinder (17) through the connecting flange (20), a switch valve (21) is fixedly installed at one end, far away from the first regulation cylinder (17), of the exhaust pipe (19), a piston (22) is installed inside the first regulation cylinder (17) in a sliding mode, a spring (23) is arranged on one side, close to the exhaust pipe (19), of the piston (22), the left end and the right end of the spring (23) are respectively fixedly connected with the first regulation cylinder (17) and the piston (22), one end, far away from the spring (23), of the piston (22) is fixedly installed with a connecting rope (15), side installation seats (25) are fixedly installed on one side, close to one side, of the left ends of two transverse base plates (1), a transmission rotating shaft (26) is fixedly connected with one side, and two guide wheels (27) are installed on the circumferential surface of the transmission rotating shaft (26), one end of the connecting rope (15) far away from the piston (22) penetrates through the first regulating cylinder (17) and bypasses the guide wheel (27) to be fixedly connected with the rotating roller (14).

2. The foldable lower limb rehabilitation apparatus convenient to carry as claimed in claim 1, wherein: one end, far away from the base (7), of the transmission screw rod (8) is fixedly provided with a rotary wrench, and the two transverse base plates (1) are symmetrically arranged front and back along the vertical middle line of the transmission rotating shaft (26).

3. The foldable lower limb rehabilitation apparatus convenient to carry as claimed in claim 1, wherein: the transverse base plate I (1) and the transverse base plate II (2) are parallel to each other, and the U-shaped bolt (6) is completely matched with the structural size and the position of the notch correspondingly.

4. The foldable lower limb rehabilitation apparatus convenient to carry as claimed in claim 1, wherein: the structure sizes of the first pedal (13) and the second pedal (16) are completely corresponding to each other and the inner part of the first regulating cylinder (17) is in a hollow shape, the first regulating cylinder (17) and the piston (22) are concentrically arranged, and the structure sizes and positions of the first regulating cylinder (17) and the piston (22) are completely matched correspondingly.

5. The foldable lower limb rehabilitation apparatus convenient to carry as claimed in claim 1, wherein: the structure composition and the size of the first regulating cylinder (17) and the second regulating cylinder (18) are completely corresponding and the same, and the second regulating cylinder (18) is connected with the second pedal (16) through a connecting rope (15).

6. The foldable lower limb rehabilitation apparatus convenient to carry as claimed in claim 1, wherein: the first regulation and control cylinder (17) and the second regulation and control cylinder (18) are located in the same horizontal plane, the first regulation and control cylinder (17) is located under the first pedal (13), and the second regulation and control cylinder (18) is located under the second pedal (16).

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