CN111888723A - Leg strength training device and using method thereof - Google Patents

Leg strength training device and using method thereof Download PDF

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Publication number
CN111888723A
CN111888723A CN202010712432.0A CN202010712432A CN111888723A CN 111888723 A CN111888723 A CN 111888723A CN 202010712432 A CN202010712432 A CN 202010712432A CN 111888723 A CN111888723 A CN 111888723A
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China
Prior art keywords
plate
training
leg
back backup
fixed
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CN202010712432.0A
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Chinese (zh)
Inventor
牛雪松
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Shenyang Sport University
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Shenyang Sport University
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Priority to CN202010712432.0A priority Critical patent/CN111888723A/en
Publication of CN111888723A publication Critical patent/CN111888723A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/04Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/06User-manipulated weights

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The invention discloses a leg strength training device and a using method thereof, relates to the technical field of leg strength training devices, and solves the problem that the training effect is influenced because the upper body cannot be limited during posture and movement when a trainer trains legs. The leg strength training device comprises a fixed base, wherein a training mechanism is arranged on the upper surface of the fixed base and comprises a back backup plate, a thigh plate is movably arranged at one end of the back backup plate, two shoulder limiting plates are uniformly and movably arranged above the other end of the back backup plate, and a head placing block is arranged in the middle of each shoulder limiting plate. The leg angle adjusting device is provided with the training mechanism and the inclination mechanism, so that the legs of the training personnel can be completely stressed when the training personnel train, the training effect is better, and the back angle of the training personnel is adjusted, so that the training is more comfortable.

Description

Leg strength training device and using method thereof
Technical Field
The invention relates to the field of leg strength training devices, in particular to a leg strength training device and a using method thereof.
Background
The leg strength training device is mainly used for mastering the operation principle and familiarity with training programs, the training equipment comprises an exerciser, a simulator and other equipment for exercise and is mainly used for mastering skills, and the leg strength training device is equipment for performing strength concentrated training on legs.
However, the existing training personnel can not limit the upper body during posture and movement when training the legs, so that the leg training is not completely stressed and the training effect is affected; therefore, the existing requirements are not met, and a leg strength training device and a using method thereof are provided.
Disclosure of Invention
The invention aims to provide a leg strength training device and a using method thereof, which aim to solve the problems that the training effect is influenced due to incomplete stress during leg training and the like caused by the fact that the upper body cannot be limited during posture and movement when a trainer trains legs in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a leg strength training device comprises a fixed base, wherein a training mechanism is arranged on the upper surface of the fixed base and comprises a back backup plate, a thigh plate is movably arranged at one end of the back backup plate, two shoulder limiting plates are uniformly and movably arranged above the other end of the back backup plate, a head placing block is arranged in the middle of the two shoulder limiting plates, a lower leg plate is movably arranged at the other end of the thigh plate, connecting plates are respectively arranged at the end part of the back backup plate, the connecting end part of the thigh plate, the other end of the thigh plate and the two side surfaces of the connecting end part of the lower leg plate, fixed side plates are fixedly arranged at the outer sides of the two connecting plates, connecting bearings are respectively arranged in the middle of the connecting plates and the corresponding connecting plates in a penetrating manner, a leg pedal is fixedly arranged at the other end of the lower leg plate, and a sliding cross beam is arranged below the leg pedal, side edge sliding blocks are fixedly arranged at two ends of the sliding beam;
the utility model discloses a fixed base, including fixed base, protection baffle, a plurality of balancing weight, guide connection post, one of them the movable picture peg is installed to one side of balancing weight, the inserted bar is installed to the one end of activity picture peg, the inserted bar runs through balancing weight and guide connection post, guide connection post's upper end fixed mounting has the go-between, fixed mounting has the pulling force rope between go-between and the side slider, the outside of pulling force rope evenly is provided with a plurality of pulley.
Preferably, the inside of fixed baseplate is provided with tilt mechanism, tilt mechanism includes the motor, the front end fixed mounting of motor has the motor gear, drive gear is installed to the top of motor gear, the fixed scroll bar that runs through in drive gear's centre is installed, the top of scroll bar is provided with two turbines, the centre of turbine runs through installs the screw rod, two the outside movable mounting of screw rod has the removal slide, it supports the ejector pin to be provided with between removal slide and the back backup plate.
Preferably, one side of the sliding beam is fixedly provided with a return buffering rod, one end of the return buffering rod is movably inserted into the fixed base, and a buffering spring is arranged between the end part of the return buffering rod inserted into the fixed base and the fixed base.
Preferably, the surface of the leg step plate is provided with a foot anti-drop block, and the foot anti-drop block is fixed on the surface of the leg step plate by welding.
Preferably, an anti-deflection guide rail is arranged below the back backup plate, an anti-deflection limiting block is movably mounted on the inner side of the anti-deflection guide rail, and the upper end face of the anti-deflection limiting block is fixedly mounted on the bottom face of the side sliding block.
Preferably, the bottom surface of the shoulder limiting plate is fixedly provided with a connecting rod, the connecting rod is inserted into the inner side of the end part of the back backup plate, and the outer side of the connecting rod is provided with a light spring.
Preferably, the end parts of the two ends of the movable sliding plate are provided with circular through holes, the inner sides of the circular through holes are completely attached to the outer sides of the screw rods, and the outer surfaces of the screw rods and the inner sides of the two circular through holes are provided with threads which are completely the same in turning direction.
Compared with the prior art, the leg strength training device has the beneficial effects that: can ensure that the upper half body of a trainer can be limited during training and only the leg part of the lower half body can exert force during training, so that the leg part of the trainer can be fully trained.
A method of use, comprising the steps of:
(A) firstly, a trainer lays the back on the surface of a back backup plate, leans the head on a head placing block, places the crus on the surface of a shank plate, passes the feet through the inside of a foot anti-falling block fixed on the surface of a leg pedal plate, can adjust the posture at the moment, enables the back of the thigh to be attached to the shank plate, then lifts up a shoulder limiting plate, enables the shoulder limiting plate to drive a connecting rod to extend out of the inside of the back backup plate and compress a light spring, and then can place the shoulder below the shoulder limiting plate to limit and fix the shoulder;
(B) then, training personnel can adjust the angle of the back backup plate according to habits of the training personnel, when the angle is adjusted, a power supply of a motor is firstly switched on, after the motor is started, a gear of the motor is driven to rotate, so that a transmission gear and a worm fixed with the transmission gear rotate, when the worm rotates, a screw fixed with a turbine can rotate by driving the turbine to rotate, when the screw rotates, the movable sliding plate is driven to move along the surface of the movable sliding plate through thread friction between the screw and the movable sliding plate, when the movable sliding plate moves, the movable sliding plate drives a supporting ejector rod to jack upwards, so that the end part connected with the supporting ejector rod and the back backup plate jacks up the back backup plate, the back backup plate presents a certain angle, when the angle reaches the habits suitable for the training personnel, the training personnel can cut off the power supply of the motor, and the back backup;
(C) after the back backup plate is adjusted, a trainer only needs to push the leg pedal forward by the leg to enable the leg pedal to drive the sliding beam and the side slider to slide, and simultaneously the thigh plate and the shank plate gradually tend to be gentle, when the sliding beam drives the side slider to slide, the anti-deflection limiting block at the bottom of the side slider can simultaneously slide in the anti-deflection guide rail to guide the sliding of the side slider while avoiding the integral deflection of the sliding beam, so that the training safety is ensured, when the side slider slides, the connecting ring fixed at the end part of the tension rope and the guide connecting column fixed by the connecting ring can be lifted upwards through the tension rope, so that the guide connecting column drives a plurality of balancing weights connected through the movable inserting plates to move upwards, and because the balancing weights have certain weight, the trainer can block the leg pedal in pushing and driving the side slider to move, the resistance generated by the balancing weight can make the legs of the trainers tight so as to achieve the aim of training the legs;
(D) in the process of training at training personnel, can take out from balancing weight and direction spliced pole through with the activity picture peg, peg graft inside the balancing weight of other differences to the number that changes the balancing weight of mentioning when training carries out weight change, better trains.
Preferably, the two ends of the supporting ejector rod are respectively provided with a shaft pin in a penetrating mode, the outer sides of the two ends of the shaft pin are respectively provided with a fixing block, and the fixing blocks, the movable sliding plate and the back backup plate are fixed through welding.
Preferably, a layer of rubber cushion is arranged on the surfaces of the back backup plate, the thigh plate and the shank plate, and a part cushion is arranged on the surface of the head placing block.
Compared with the prior art, the using method has the beneficial effects that:
according to the invention, the motor drives the worm to rotate, so that the worm drives the screw to rotate, the movable sliding plate drives the supporting ejector rod to move to jack up the back backup plate, the back backup angle of a trainer can be adjusted, the trainer is more comfortable during training, and the back of the trainer is not damaged.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a cross-sectional view of the present invention in its entirety;
FIG. 3 is a schematic view of the structure of the present invention at A;
FIG. 4 is a partial structural view of the fixing base of the present invention;
FIG. 5 is a schematic view of a portion of the back rest of the present invention;
FIG. 6 is a schematic view of the structure of the connecting column of the present invention.
In the figure: 1. a fixed base; 2. a shoulder limiting plate; 3. a protective baffle; 4. a balancing weight; 5. a tension rope; 6. a training mechanism; 601. a back backup plate; 602. a thigh panel; 603. a shank plate; 604. a connecting plate; 605. A leg pedal; 606. a sliding beam; 607. a side slider; 608. a deflection-preventing limiting block; 609. an anti-deflection guide rail; 7. a pulley; 8. a tilt mechanism; 801. a scroll bar; 802. a turbine; 803. a screw; 804. supporting the ejector rod; 805. moving the sliding plate; 806. a transmission gear; 807. a motor gear; 808. a motor; 9. a head placement block; 10. a guide connecting column; 11. a connecting ring; 12. a return stroke buffer rod; 13. fixing the side plate; 14. A movable plug board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The motor 808 referred to in the present invention (model 130ST-M15025) is commercially available or custom made.
Referring to fig. 1 to 6, an embodiment of the present invention includes: a leg strength training device comprises a fixed base 1, a training mechanism 6 is mounted on the upper surface of the fixed base 1, the training mechanism 6 comprises a back backup plate 601, a thigh plate 602 is movably mounted at one end of the back backup plate 601, two shoulder limiting plates 2 are uniformly and movably mounted above the other end of the back backup plate 601, a head placing block 9 is mounted in the middle of the two shoulder limiting plates 2 for placing the head of a trainer to make the trainer more comfortable, a shank plate 603 is movably mounted at the other end of the shank plate 602, a connecting end portion between the end portion of the back backup plate 601 and the thigh plate 602, connecting plates 604 are respectively arranged on two side surfaces of the other end of the shank plate 602 and two side surfaces of the connecting end portion between the shank plate 603, a fixed side plate 13 is fixedly mounted on the outer sides of the two connecting plates 604, and connecting bearings are respectively mounted in the middle of the connecting plates, the other end of the lower leg plate 603 is fixedly provided with a leg pedal plate 605, a sliding beam 606 is arranged below the leg pedal plate 605, and two ends of the sliding beam 606 are both fixedly provided with side edge sliding blocks 607;
the equal fixed mounting in both sides of fixed baseplate 1 has guard flap 3, a plurality of balancing weight 4 is evenly installed in guard flap 3's the outside, the centre of balancing weight 4 runs through and installs guide connection post 10, movable picture peg 14 is installed to one side of one of them balancing weight 4, the inserted bar is installed to movable picture peg 14's one end, the inserted bar runs through balancing weight 4 and guide connection post 10, the upper end fixed mounting of guide connection post 10 has go-between 11, fixed mounting has pulling force rope 5 between go-between 11 and the side slider 607, pulling force rope 5's the outside evenly is provided with a plurality of pulley 7, pulley 7 can be so that pulling force rope 5 keeps the state of tightly stretching, guarantee that the device.
Further, the fixed base 1 is provided with the tilt mechanism 8 inside, the tilt mechanism 8 includes motor 808, the front end fixed mounting of motor 808 has motor gear 807, drive gear 806 is installed to motor gear 807's top, the fixed run-through of centre of drive gear 806 installs scroll 801, the top of scroll 801 is provided with two turbines 802, the middle run-through of turbine 802 installs screw rod 803, the outside movable mounting of two screw rods 803 has the removal slide 805, be provided with between removal slide 805 and the back backup plate 601 and support ejector pin 804, can adjust the inclination of back backup plate 601, make training personnel can more comfortable train, can not receive the injury in the training process.
Further, one side fixed mounting of sliding beam 606 has return stroke buffer beam 12, the one end activity of return stroke buffer beam 12 is pegged graft inside fixed baseplate 1, return stroke buffer beam 12 is pegged graft and is provided with buffer spring between fixed baseplate 1 inside tip and fixed baseplate 1, buffer spring can cushion, offset the power that drives sliding beam 606 return journey to balancing weight 4 whereabouts when training personnel's shank extends the recovery, the too big damage that causes training personnel's shank of impact when avoiding the return stroke.
Further, the surface of shank pedal 605 is provided with the anticreep piece of foot, and the anticreep piece of foot passes through welded fastening on the surface of shank pedal 605, and the anticreep piece of foot can be convenient for training personnel and pass the foot, avoids the sole to sweat when the training and leads to the foot smooth, and the foot leads to being injured with shank pedal 605 separation, guarantee training safety.
Further, the lower side of the back backup plate 601 is provided with a deflection-preventing guide rail 609, the inner side of the deflection-preventing guide rail 609 is movably provided with a deflection-preventing limiting block 608, the upper end face of the deflection-preventing limiting block 608 is fixedly installed on the bottom face of the side sliding block 607, the deflection-preventing limiting block 608 slides inside the deflection-preventing guide rail 609, so that the situation that the sliding beam 606 cannot deflect when two legs exert force unevenly can be avoided for training personnel, the smooth operation of the device is ensured, and the training personnel can train smoothly when one leg of the training personnel exerts force.
Further, the bottom surface fixed mounting of shoulder limiting plate 2 has the connecting rod, and it is inboard at the tip of back backup plate 601 that the connecting rod is pegged graft, and the outside of connecting rod is provided with light spring, and connecting rod and light spring make shoulder limiting plate 2 can upwards carry out mentioning of certain degree for training personnel's shoulder position can be fine place, can not cause the puzzlement.
Further, the end parts of the two ends of the movable sliding plate 805 are provided with circular through holes, the inner sides of the circular through holes are completely attached to the outer sides of the screws 803, the outer surfaces of the two screws 803 and the inner sides of the two circular through holes are provided with threads with completely the same turning directions, and the threads with completely the same turning directions are arranged, so that the two screws 803 synchronously rotate to control the movable sliding plate 805 to move in parallel along the surface of the screws 803, and the supporting ejector rods 804 are driven to jack up the back backup plate 601.
A method of use, the method of use comprising the steps of:
(A) firstly, a trainer lays the back on the surface of a back backup plate 601, leans the head on a head placing block 9, places the shank on the surface of a shank plate 603, and then passes the foot through the inside of a foot anti-falling block fixed on the surface of a leg pedal plate 605, the trainer can adjust the posture to enable the thigh back to be attached to the shank plate 602, and then lifts up a shoulder limiting plate 2 to enable a shoulder limiting plate 2 to drive a connecting rod to extend out of the back backup plate 601 and compress a light spring, and then the trainer can place the shoulder below the shoulder limiting plate 2 to limit and fix the shoulder;
(B) then, the trainee can adjust the angle of the back backup plate 601 according to the habit of the trainee, when adjusting, the power of the motor 808 is firstly switched on, after the motor 808 is started, the transmission gear 806 and the worm 801 fixed with the transmission gear 806 rotate by driving the motor gear 807 to rotate, when the worm 801 rotates, the worm 803 fixed with the worm 802 rotates by driving the worm 802 to rotate, when the screw 803 rotates, the movable sliding plate 805 is driven to move along the surface thereof by the thread friction between the screw 803 and the movable sliding plate 805, when the movable sliding plate 805 moves, the supporting mandril 804 is driven to jack upwards so that the end part connected with the supporting mandril 804 and the back backup plate 601 jacks up the back backup plate 601, so that the back backup plate 601 presents a certain angle, when the angle reaches the habit of the trainee, the power of the motor 808 is cut off, so that the back rest 601 maintains the training angle;
(C) after the back backup plate 601 is adjusted, a trainer only needs to push the leg pedal 605 forward with force by legs, so that the leg pedal 605 drives the sliding beam 606 and the side sliding block 607 to slide, meanwhile, the thigh plate 602 and the shank plate 603 gradually tend to be gentle, when the sliding beam 606 drives the side sliding block 607 to slide, the deflection-preventing limiting block 608 at the bottom of the side sliding block 607 can slide in the deflection-preventing guide rail 609 at the same time, so as to guide the sliding of the side sliding block 607 while avoiding the integral deflection of the sliding beam 606, thereby ensuring the training safety, when the side sliding block 607 slides, the connecting rod 10 fixed at the end of the tension rope 5 and the connecting ring 11 fixed at the connecting ring 11 can be lifted upwards through the tension rope 5, so that the connecting rod 10 can drive a plurality of balancing weights 4 connected with the connecting rod through the movable inserting plate 14 to move upwards, because the balancing weights 4 have a certain weight, the training personnel can push the leg pedal plate 605 to drive the side sliding block 607 to move, so that a certain block exists, and the resistance generated by the balancing weight 4 can make the legs of the training personnel tight, thereby achieving the purpose of training the legs;
(D) in the training process of the trainer, the movable inserting plate 14 can be drawn out from the balancing weight 4 and the guide connecting column 10 and inserted into other different balancing weights 4 so as to change the number of the balancing weights 4 lifted during training to change the weight, thereby better training.
Further, the both ends of supporting ejector pin 804 all run through and install the pivot, the fixed block is all installed in the both ends outside of pivot, the fixed block all passes through welded fastening with removal slide 805 and back backup plate 601, fixed block and pivot make supporting ejector pin 804 be connected back backup plate 601 and removal slide 805, supporting ejector pin 804 can be in the atress after the free motion between back backup plate 601 and removal slide 805 simultaneously, make supporting ejector pin 804 can jack-up back backup plate 601, so that adjust the angle of back backup plate 601.
Further, the surface of back backup plate 601, thigh board 602 and shank board 603 is provided with one deck rubber cushion, and the surface that the piece 9 was placed to the head is provided with a cushion, and rubber cushion and head cushion can make training personnel keep comfortable when the training, and back or head receive the damage when can not retraining again, guarantee training safety.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The utility model provides a shank strength training device, includes fixed baseplate (1), its characterized in that: the upper surface of fixed baseplate (1) is equipped with training mechanism (6), training mechanism (6) includes back backup plate (601), the one end movable mounting of back backup plate (601) has thigh plate (602), the even movable mounting in other end top of back backup plate (601) has two shoulder limiting plates (2), two the head is installed in the centre of shoulder limiting plate (2) and is placed piece (9), the other end movable mounting of thigh plate (602) has shank plate (603), the tip of back backup plate (601) and the connecting end of thigh plate (602), the other end of thigh plate (602) and the connecting end both sides side of shank plate (603) all are provided with connecting plate (604), wherein two the equal fixed mounting in the outside of connecting plate (604) has fixed curb plate (13), connecting plate (604) and the centre of corresponding connecting plate (604) all run through and install connection bearing, the other end of the lower leg plate (603) is fixedly provided with a leg pedal plate (605), a sliding cross beam (606) is arranged below the leg pedal plate (605), and two ends of the sliding cross beam (606) are fixedly provided with side sliding blocks (607);
the equal fixed mounting in both sides of unable adjustment base (1) has guard flap (3), a plurality of balancing weight (4) are evenly installed in the outside of guard flap (3), run through in the centre of balancing weight (4) and install guide connection post (10), one of them movable picture peg (14) are installed to one side of balancing weight (4), the inserted link is installed to the one end of activity picture peg (14), the inserted link runs through balancing weight (4) and guide connection post (10), the upper end fixed mounting of guide connection post (10) has go-between (11), fixed mounting has pulling force rope (5) between go-between (11) and side slider (607), the outside of pulling force rope (5) evenly is provided with a plurality of pulley (7).
2. The leg strength training device according to claim 1, wherein: the utility model discloses a fixed base (1) is provided with tilt angle mechanism (8) in inside, tilt angle mechanism (8) include motor (808), the front end fixed mounting of motor (808) has motor gear (807), drive gear (806) are installed to the top of motor gear (807), fixed the running through in the centre of drive gear (806) installs scroll bar (801), the top of scroll bar (801) is provided with two turbines (802), screw rod (803) are installed in the middle of running through of turbine (802), two the outside movable mounting of screw rod (803) has removal slide (805), be provided with between removal slide (805) and back backup plate (601) and support ejector pin (804).
3. The leg strength training device according to claim 1, wherein: one side fixed mounting of sliding beam (606) has return stroke buffer beam (12), the activity of one end of return stroke buffer beam (12) is pegged graft inside fixed baseplate (1), return stroke buffer beam (12) are pegged graft and are provided with buffer spring between inside tip of fixed baseplate (1) and fixed baseplate (1).
4. The leg strength training device according to claim 1, wherein: the surface of the leg pedal plate (605) is provided with a foot anti-drop block, and the foot anti-drop block is fixed on the surface of the leg pedal plate (605) by welding.
5. The leg strength training device according to claim 1, wherein: an anti-deflection guide rail (609) is arranged below the back backup plate (601), an anti-deflection limiting block (608) is movably mounted on the inner side of the anti-deflection guide rail (609), and the upper end face of the anti-deflection limiting block (608) is fixedly mounted on the bottom face of the side sliding block (607).
6. The leg strength training device according to claim 1, wherein: the bottom surface of the shoulder limiting plate (2) is fixedly provided with a connecting rod, the connecting rod is inserted into the inner side of the end part of the back backup plate (601), and the outer side of the connecting rod is provided with a light spring.
7. The leg strength training device according to claim 2, wherein: the two ends of the movable sliding plate (805) are provided with circular through holes, the inner sides of the circular through holes are completely attached to the outer sides of the screw rods (803), and the outer surfaces of the two screw rods (803) and the inner sides of the two circular through holes are provided with threads with completely the same rotating direction.
8. A method of use, characterized by: the using method comprises the following steps:
(A) firstly, a trainer lays the back flat on the surface of a back backup plate (601), leans the head against a head placing block (9), places the lower leg on the surface of a lower leg plate (603), passes the foot through the inside of a foot anti-falling block fixed on the surface of a leg pedal plate (605), can adjust the posture at the moment, enables the back of the upper leg to be attached to the upper leg plate (602), then lifts a shoulder limiting plate (2) upwards, enables the shoulder limiting plate (2) to drive a connecting rod to extend out of the back backup plate (601) and compress a light spring, and then can place the shoulder below the shoulder limiting plate (2) to limit and fix the shoulder;
(B) then the training personnel can adjust the angle of the back backup plate (601) according to the habit of training by themselves, when adjusting, firstly, the power supply of the motor (808) is switched on, the motor (808) is started to drive the motor gear (807) to rotate to enable the transmission gear (806) and the worm rod (801) fixed with the transmission gear (806) to rotate, when the worm rod (801) rotates, the worm wheel (802) is driven to rotate to enable the screw rod (803) fixed with the worm wheel (802) to rotate, when the screw rod (803) rotates, the movable sliding plate (805) is driven to move along the surface of the movable sliding plate through thread friction between the screw rod and the movable sliding plate (805), when the movable sliding plate (805) moves, the support ejector rod (804) is driven to jack up to enable the end part connected with the support ejector rod (804) and the back backup plate (601) to jack up the back backup plate (601) upwards, so that the back backup plate (601) presents a certain angle, the trainers can cut off the power supply of the motor (808) when the angle reaches the habit suitable for the trainers, so that the back backup plate (601) keeps the training angle;
(C) after the back backup plate (601) is adjusted, a trainer only needs to push the leg pedal plate (605) forwards with leg force, so that the leg pedal plate (605) drives the sliding beam (606) and the side sliding block (607) to slide, meanwhile, the thigh plate (602) and the shank plate (603) gradually tend to be gentle, when the sliding beam (606) drives the side sliding block (607) to slide, the deflection prevention limiting block (608) at the bottom of the side sliding block (607) can slide in the deflection prevention guide rail (609) at the same time, the sliding of the side sliding block (607) is guided while the whole sliding beam (606) is not free from deflection, the training safety is ensured, when the side sliding block (607) slides, the connecting ring (11) fixed at the end part of the tension rope (5) and the guide connecting column (10) fixed by the connecting ring (11) can be lifted upwards through the tension rope (5), so that the guide connecting column (10) drives a plurality of balancing weights (4) connected with the guide connecting column through the movable inserting plate (14) The weight block (4) has a certain weight, so that a trainer can push the leg pedal (605) to drive the side sliding block (607) to move to block the movement, and the resistance generated by the weight block (4) can tighten the legs of the trainer so as to achieve the purpose of training the legs;
(D) in the training process of the training personnel, the movable inserting plate (14) can be pulled out from the balancing weight (4) and the guide connecting column (10) and inserted into the balancing weight (4) of other different parts, so that the number of the balancing weight (4) lifted during training is changed, and the training is better.
9. A method of use according to claim 8, wherein: the two ends of the supporting ejector rod (804) are respectively provided with a shaft pin in a penetrating mode, the outer sides of the two ends of the shaft pin are respectively provided with a fixing block, and the fixing blocks are fixed with the movable sliding plate (805) and the back backup plate (601) through welding.
10. A method of use according to claim 8, wherein: the surface of the back backup plate (601), the thigh plate (602) and the shank plate (603) is provided with a layer of rubber cushion, and the surface of the head placing block (9) is provided with a part cushion.
CN202010712432.0A 2020-07-22 2020-07-22 Leg strength training device and using method thereof Pending CN111888723A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112891131A (en) * 2021-01-13 2021-06-04 湖南文理学院 Leg training device based on passive driving
CN113426070A (en) * 2021-06-15 2021-09-24 李亮 Ligament tractive device for track and field training
CN113577673A (en) * 2021-07-16 2021-11-02 新乡职业技术学院 Ligament tractive device with safeguard function for track and field training
CN113577687A (en) * 2021-09-17 2021-11-02 郑州职业技术学院 Training device for enhancing physical ability of students
CN113941124A (en) * 2021-09-08 2022-01-18 罗志伟 Body-building apparatus for synchronous training of abdominal muscles and leg muscles
CN114504774A (en) * 2022-03-03 2022-05-17 江西美达教育设备集团有限公司 Two-position pedal device for protecting knees
CN114669012A (en) * 2022-04-20 2022-06-28 西安医学院 Leg strength training equipment for training track and field athletes

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CN207545700U (en) * 2017-12-07 2018-06-29 四川东鼎里智信息技术有限责任公司 A kind of leg rehabilitation training muscle recovery device of adjustable training strength
CN107890637A (en) * 2017-12-28 2018-04-10 贵州大学 A kind of anteflexion muscle group makes a concession exercising machine
CN109009942A (en) * 2018-06-22 2018-12-18 仇申强 A kind of Patients with Fractures of Lower Limbs recovery exercising robot
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Publication number Priority date Publication date Assignee Title
CN112891131A (en) * 2021-01-13 2021-06-04 湖南文理学院 Leg training device based on passive driving
CN113426070A (en) * 2021-06-15 2021-09-24 李亮 Ligament tractive device for track and field training
CN113577673A (en) * 2021-07-16 2021-11-02 新乡职业技术学院 Ligament tractive device with safeguard function for track and field training
CN113941124A (en) * 2021-09-08 2022-01-18 罗志伟 Body-building apparatus for synchronous training of abdominal muscles and leg muscles
CN113577687A (en) * 2021-09-17 2021-11-02 郑州职业技术学院 Training device for enhancing physical ability of students
CN113577687B (en) * 2021-09-17 2022-08-19 郑州职业技术学院 Training device for enhancing physical ability of students
CN114504774A (en) * 2022-03-03 2022-05-17 江西美达教育设备集团有限公司 Two-position pedal device for protecting knees
CN114669012A (en) * 2022-04-20 2022-06-28 西安医学院 Leg strength training equipment for training track and field athletes

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