CN110917579B - A kind of physical exercise pull-up training device - Google Patents
A kind of physical exercise pull-up training device Download PDFInfo
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- CN110917579B CN110917579B CN201911279111.XA CN201911279111A CN110917579B CN 110917579 B CN110917579 B CN 110917579B CN 201911279111 A CN201911279111 A CN 201911279111A CN 110917579 B CN110917579 B CN 110917579B
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- 230000007246 mechanism Effects 0.000 claims abstract description 101
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 244000309464 bull Species 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000474 nursing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 210000001364 upper extremity Anatomy 0.000 description 2
- 230000037396 body weight Effects 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
- A63B23/1209—Involving a bending of elbow and shoulder joints simultaneously
- A63B23/1218—Chinning, pull-up, i.e. concentric movement
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Abstract
本发明提供一种体育锻炼引体向上训练装置。所述体育锻炼引体向上训练装置包括支撑架；支撑机构；固定机构；围护机构，所述围护机构包括第二螺杆、固定块、橡胶垫、支撑块、滚珠、滑槽和限位块；所述固定机构的侧壁设有所述滑槽，所述滑槽的内部滑动连接所述第二螺杆；所述第二螺杆的一端转动连接所述支撑块，所述支撑块的侧壁安装弧形的所述橡胶垫；所述第二螺杆的一端与所述固定块之间螺纹连接，所述固定块的侧壁滚动连接所述滚珠，所述滚珠滑动连接所述固定机构的侧壁；所述固定块的两端分别安装截面为“T”形的所述限位块；急刹机构；筒体；调节机构；连接机构。本发明提供的体育锻炼引体向上训练装置方便腿部不便的人使用。
The invention provides a physical exercise pull-up training device. The physical exercise pull-up training device includes a support frame; a support mechanism; a fixing mechanism; ; The side wall of the fixing mechanism is provided with the chute, and the inside of the chute is slidably connected to the second screw; one end of the second screw is rotatably connected to the support block, and the side wall of the support block Install the arc-shaped rubber pad; one end of the second screw is screwed with the fixing block, the side wall of the fixing block is rollingly connected to the ball, and the ball is slidingly connected to the side of the fixing mechanism wall; two ends of the fixing block are respectively installed with the limiting block with a "T"-shaped cross section; an emergency braking mechanism; a cylinder body; an adjusting mechanism; a connecting mechanism. The physical exercise pull-up training device provided by the present invention is convenient for people with inconvenient legs to use.
Description
Technical Field
The invention relates to the technical field of sports equipment, in particular to a pull-up training device for physical training.
Background
Pull-up is a movement to exercise the muscles of the upper body. The pull-up requires a certain grip strength and upper limb strength, which must be overcome to overcome the body weight once. The pull-up has an important role in developing the upper limb suspension force, shoulder strap force and grip strength. The performance is calculated according to the times of finishing the action specification, and the performance is better when the user does the action, so that the training device is a strength and endurance item, and the pull-up becomes an exercise for checking the physical performance of the human body in a physical education course.
When carrying out chin training to the inconvenient people of shank action, thereby need upwards to stimulate limbs and then descend and realize the training, exercise personnel's shank makes exercise personnel fall down on going up the trainer from the chin easily because inconvenient unable in time to the stable support of health improvement when descending, is unfavorable for exercise personnel's safety. Therefore, there is a need to provide a new pull-up training device for physical exercise to solve the above problems.
Disclosure of Invention
The invention aims to provide a physical training pull-up training device which is convenient for people with inconvenient legs to use.
In order to solve the above technical problem, the pull-up training device for physical exercise provided by the invention comprises: a support frame; the bottom end of the supporting mechanism is provided with the supporting frame; the fixing mechanism is arranged on the side wall of the supporting mechanism; the enclosing mechanism is connected with the fixing mechanism in a sliding mode and comprises a second screw rod, a fixing block, a rubber pad, a supporting block, a ball, a sliding groove and a limiting block; the side wall of the fixing mechanism is provided with the sliding chute, and the inside of the sliding chute is connected with the second screw rod in a sliding manner; one end of the second screw is rotatably connected with the supporting block, and the arc-shaped rubber pad is mounted on the side wall of the supporting block; one end of the second screw rod is in threaded connection with the fixed block, the side wall of the fixed block is in rolling connection with the ball, and the ball is in sliding connection with the side wall of the fixing mechanism; the two ends of the fixed block are respectively provided with the limiting blocks with T-shaped sections, and the limiting blocks are connected with the inner part of the sliding chute in a sliding manner; the emergency brake mechanism is connected with the fixed block; the interior of the cylinder body is rotationally connected with the emergency brake mechanism; the adjusting mechanism is arranged inside the barrel; and the connecting mechanism is in sliding connection with the emergency brake mechanism, and the connecting mechanism abuts against the side wall of the supporting mechanism.
Preferably, the support mechanism comprises a first screw, a first support rod, a second support rod and a third support rod, the first support rod is mounted at one end of the support frame, and the second support rod is slidably connected inside the first support rod; the top end of the first supporting rod is connected with the first screw rod in a sliding mode, the first screw rod abuts against the side wall of the second supporting rod, and the third supporting rod is installed at the top end of the second supporting rod.
Preferably, the fixing mechanism comprises a fixing rod, a fixing frame and a fixing plate, the fixing frame is installed at the top ends of the first supporting rod and the second supporting rod, and the fixing frame located on the side wall of the second supporting rod is fixedly connected with the fixing plate; the bottom surface of the fixed plate is provided with the fixed rod, and the fixed rod is connected with the fixed frame on the side wall of the first supporting rod in a sliding mode.
Preferably, the lateral wall of fixed plate is equipped with the cross-shaped cross-section the spout, the inside sliding connection of fixed plate the first screw rod, just the lateral wall sliding connection of fixed plate the ball.
Preferably, the emergency brake mechanism comprises a steel wire, a fixed pulley, a retractor, a gear and a torsion spring, the top end of the first support rod is provided with the cylinder, and the interior of the cylinder is rotatably connected with the retractor; the gears are installed at two ends of the retractor, and the torsion spring is installed at one end of the retractor; the lateral wall winding of coiler the steel wire is located the second bracing piece lateral wall the mount with the fixed plate lateral wall is installed respectively the fixed pulley, the lateral wall sliding connection of fixed pulley the steel wire, just the one end of steel wire is connected the fixed block.
Preferably, the adjusting mechanism comprises a groove, a mounting plate, a rotating rod, a connecting block and a clamping groove; one end of the torsion spring is fixedly connected with the connecting rod, the side wall of the connecting rod is symmetrically provided with the grooves, the inside of each groove is connected with the connecting block in a sliding mode, the connecting block is fixedly connected with the rotating rod, and the rotating rod is fixedly connected with the inside of the connecting rod; the top of connecting rod is installed the mounting panel, mounting panel sliding connection the draw-in groove, the draw-in groove is located the lateral wall of barrel.
Preferably, the mounting panel with the cross-section of draw-in groove is the cross, just the inside sliding connection of barrel the bull stick with the mounting panel.
Preferably, the connecting mechanism comprises a rubber rod, a support and a spring, the support is arranged in the cylinder, the side wall of the support is rotatably connected with the rubber rod, and one end of the rubber rod is slidably connected with the gear; the one end of gag lever post is contradicted the second bracing piece, just the bottom surface installation of gag lever post the spring, spring coupling the inside of first bracing piece.
Compared with the related art, the pull-up physical exercise training device provided by the invention has the following beneficial effects:
the invention provides a pull-up training device for physical training, when a person with inconvenient legs uses the pull-up training device, an assistant holds the person with inconvenient legs, a user is positioned between two second screw rods, the user holds the top end of a supporting mechanism by hands, rotates the second screw rods to enable the second screw rods to rotate in a fixed block, the second screw rods rotate to drive a supporting block and a rubber pad to move, the distance between the two second screw rods is reduced, the supporting block and the rubber pad move to enable the supporting block and the rubber pad to abut against the waist of the user to fix the waist of the user, when the user uses the pull-up training device, the user drives the supporting block and the rubber pad to move, and the supporting block and the rubber pad drive the second screw rods and the fixed block to move, the fixed block drives the balls to slide on the side wall of the fixing mechanism, the balls rotate to reduce the friction force between the fixed block and the fixing mechanism, when the fixed block moves, the fixed block drives the limiting block with the T-shaped section to move in the chute, the limiting block fixes the fixed block and fixes the fixed block on the side wall of the fixing mechanism, so that a user can drive the fixed block and the supporting block to move up and down conveniently, when the physical strength of the user is poor, the palm of the user is separated from the supporting mechanism, and surrounding nursing personnel do not find in time, the user suddenly moves down, the user drives the supporting block and the fixed block to suddenly move down, and the sudden braking mechanism moves to stop the fixed block from moving on the side wall of the fixing mechanism, the waist of a user is fixed by the fixing block and the supporting block, the hand of the user is in contact with the supporting block, the user is fixed by the supporting block, the user is prevented from falling from the side wall of the supporting mechanism suddenly, and safety of people is facilitated.
Drawings
FIG. 1 is a schematic diagram of a pull-up physical exercise apparatus according to the present invention;
fig. 2 is a schematic view of the internal structure of the fixing block and the fixing plate shown in fig. 1;
FIG. 3 is an exploded view of the fixing block and the sliding groove shown in FIG. 2;
FIG. 4 is a schematic view of the internal structure of the cartridge shown in FIG. 1;
FIG. 5 is an exploded view of the connecting rod and barrel arrangement shown in FIG. 4;
fig. 6 is a schematic view of the internal structure of the support mechanism shown in fig. 1.
Reference numbers in the figures: 1. the support frame, 2, a support mechanism, 21, a first screw rod, 22, a first support rod, 23, a second support rod, 24, a third support rod, 3, an emergency brake mechanism, 31, a steel wire, 32, a fixed pulley, 33, a retractor, 34, a gear, 35, a torsion spring, 4, an enclosure mechanism, 41, a second screw rod, 42, a fixed block, 43, a rubber pad, 44, a support block, 45, a ball, 46, a sliding groove, 47, a limited block, 5, a fixing mechanism, 51, a fixed rod, 52, a fixed frame, 53, a fixed plate, 6, a cylinder, 7, an adjusting mechanism, 71, a groove, 72, a mounting plate, 73, a rotating rod, 74, a connecting rod, 75, a connecting block, 76, a clamping groove, 8, a connecting mechanism, 81, a rubber rod, 82, a support, 83 and a spring.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6 in combination, wherein fig. 1 is a schematic structural diagram of a pull-up training device for physical exercise according to the present invention; fig. 2 is a schematic view of the internal structure of the fixing block and the fixing plate shown in fig. 1; FIG. 3 is an exploded view of the fixing block and the sliding groove shown in FIG. 2; FIG. 4 is a schematic view of the internal structure of the cartridge shown in FIG. 1; FIG. 5 is an exploded view of the connecting rod and barrel arrangement shown in FIG. 4; fig. 6 is a schematic view of the internal structure of the support mechanism shown in fig. 1. The pull-up physical exercise training device comprises: a support frame 1; the supporting mechanism 2, the bottom end of the supporting mechanism 2 is provided with the supporting frame 1; the fixing mechanism 5 is mounted on the side wall of the supporting mechanism 2; the enclosure mechanism 4 is connected with the fixing mechanism 5 in a sliding mode, and the enclosure mechanism 4 comprises a second screw rod 41, a fixing block 42, a rubber pad 43, a supporting block 44, a ball 45, a sliding groove 46 and a limiting block 47; the sliding groove 46 is formed in the side wall of the fixing mechanism 5, and the inside of the sliding groove 46 is slidably connected with the second screw 41; one end of the second screw rod 41 is rotatably connected with the supporting block 44, and the arc-shaped rubber pad 43 is mounted on the side wall of the supporting block 44; one end of the second screw rod 41 is in threaded connection with the fixed block 42, the side wall of the fixed block 42 is in rolling connection with the ball 45, and the ball 45 is in sliding connection with the side wall of the fixing mechanism 5; the two ends of the fixed block 42 are respectively provided with the limiting blocks 47 with T-shaped sections, and the limiting blocks 47 are connected with the inner part of the sliding groove 46 in a sliding manner; the emergency brake mechanism 3 is connected with the fixed block 42; the inner part of the cylinder 6 is rotatably connected with the emergency brake mechanism 6; the adjusting mechanism 7, the said adjusting mechanism 7 is installed inside the said cylinder 6; coupling mechanism 8, coupling mechanism 8 sliding connection emergency brake mechanism 3, just coupling mechanism 8 is contradicted the lateral wall of supporting mechanism 2.
The supporting mechanism 2 comprises a first screw 21, a first supporting rod 22, a second supporting rod 23 and a third supporting rod 24, the first supporting rod 22 is installed at one end of the supporting frame 1, and the second supporting rod 23 is connected to the inside of the first supporting rod 22 in a sliding mode; the top of first bracing piece 22 with sliding connection between the first screw rod 21, just first screw rod 21 contradicts the lateral wall of second bracing piece 23, the top installation of second bracing piece 23 third bracing piece 24, for the convenience rotates first screw rod 21 makes first screw rod 21 with second bracing piece 23 parts, conveniently adjusts second bracing piece 23 with third bracing piece 24's height.
The fixing mechanism 5 comprises a fixing rod 51, a fixing frame 52 and a fixing plate 53, the fixing frame 52 is mounted at the top ends of the first supporting rod 22 and the second supporting rod 23, and the fixing frame 52 positioned on the side wall of the second supporting rod 23 is fixedly connected with the fixing plate 53; the bottom surface installation of fixed plate 53 dead lever 51, just dead lever 51 sliding connection first bracing piece 22 lateral wall mount 52, for the convenience fixed plate 53 is fixed block 42 makes fixed block 42 is in the lateral wall of fixed plate 53 slides, just second bracing piece 23 drives during the fixed plate 53 motion, fixed plate 53 drives dead lever 51 is in one the inside of mount 52 slides, thereby makes two mount 52 does fixed plate 53 provides the support, increases the stability of fixed plate 53.
The lateral wall of fixed plate 53 is equipped with the cross-section and is the cruciform spout 46, the inside sliding connection of fixed plate 53 first screw rod 21, just the lateral wall sliding connection of fixed plate 53 ball 45, for convenience stopper 47 is in the inside slip of spout 46 makes stopper 47 will fixed block 42 is fixed the lateral wall of fixed plate 53, and convenient first screw rod 21 is in the inside motion of spout 46.
The emergency brake mechanism 3 comprises a steel wire 31, a fixed pulley 32, a retractor 33, a gear 34 and a torsion spring 35, the top end of the first support rod 22 is provided with the cylinder body 6, and the interior of the cylinder body 6 is rotationally connected with the retractor 33; the gear 34 is installed at both ends of the retractor 33, and the torsion spring 35 is installed at one end of the retractor 33; the side wall of the retractor 33 is wound around the steel wire 31, the fixed frame 52 and the fixed plate 53 which are located on the side wall of the second support rod 22 are respectively provided with the fixed pulley 32, the side wall of the fixed pulley 32 is slidably connected with the steel wire 31, and one end of the steel wire 31 is connected with the fixed block 42, so that when the fixed block 42 moves downwards, the bottom end of the fixed block 42 slides on the side wall of the fixed pulley 32, the steel wire 31 drives the retractor 33 to rotate, the steel wire 31 is unwound from the side wall of the retractor 33, and the retractor 33 drives the torsion spring 35 to rotate and tighten; when the fixed block 42 moves upwards, the torsion spring 35 is released to drive the retractor 33 to rotate reversely, so that the steel wire 31 is wound on the side wall of the retractor 33, and the steel wire 31 is in a tensioned state; when the fixed block 42 suddenly moves downwards, the fixed block 42 drives the steel wire 31 and the retractor 33 rotates, the retractor 33 emergently brakes, the steel wire 31 and the fixed block 42 are fixed, and the fixed block 42 is prevented from moving downwards again.
The adjusting mechanism 7 comprises a groove 71, a mounting plate 72, a rotating rod 73, a connecting rod 74, a connecting block 75 and a clamping groove 76; one end of the torsion spring 35 is fixedly connected with the connecting rod 74, the side wall of the connecting rod 74 is symmetrically provided with the grooves 71, the inside of the groove 71 is slidably connected with the connecting block 75, the connecting block 75 is fixedly connected with the rotating rod 73, and the rotating rod 73 is fixedly connected with the inside of the connecting rod 74; the top installation of connecting rod 74 the mounting panel 72, mounting panel 72 sliding connection draw-in groove 76, draw-in groove 76 is located the lateral wall of barrel 6, for the convenience slip connecting block 75 makes connecting block 75 follows the internal motion of draw-in groove 76, connecting block 75 drives connecting rod 74 is in the inside of bull stick 73 is rotated, connecting rod 74 drives mounting panel 72 is in the internal motion of recess 71 rotates connecting block 75 drives connecting rod 74 with bull stick 73 rotates, bull stick 73 drives torsion spring 35 rotates, makes torsion spring 35 tensioning or unclamp, thereby adjusts resistance when coiler 33 rotates, adjusts people's exercise intensity.
The mounting panel 72 with the cross-section of draw-in groove 76 is the cross, just the inside sliding connection of barrel 6 the bull stick 73 with the mounting panel 72, for convenience the mounting panel 72 gets into the inside of draw-in groove 76, draw-in groove 76 will the mounting panel 72 is fixed, avoids the mounting panel 72 rotates.
The connecting mechanism 8 comprises a rubber rod 81, a support 82 and a spring 83, the support 82 is installed inside the cylinder 6, the side wall of the support 82 is rotatably connected with the rubber rod 81, and one end of the rubber rod 81 is slidably connected with the gear 34; the one end of gag lever post 81 is contradicted the second bracing piece 23, just the installation of the bottom surface of gag lever post 81 spring 83, spring 83 connects the inside of first bracing piece 22, when for people's motion, people this moment retractor 33 drives gear 34 rotates, gear 34 is contradicted rubber pole 81 makes rubber pole 81 is in the lateral wall of support 82 rotates, makes the one end extrusion of rubber pad 81 the second bracing piece 23 increases first bracing piece 22 with the stability of second bracing piece 23 junction improves the security that this device used.
The working principle of the pull-up physical exercise training device provided by the invention is as follows:
when a person with leg disability trains by using the pull-up training device, the assistant person rotates the first screw 21 to separate the first screw 21 from the second support bar 23, so that the second support bar 23 slides up and down inside the first support bar 22, adjusts the height of the third support bar 24 according to the height of the user, rotates the first screw 21 again to enable the first screw 21 to abut against the second support bar 23, so as to fix the second support bar 23 to the first support bar 22, thereby adjusting the height of the third support bar 24, and when the second support bar 23 moves, the second support bar 23 drives the fixing bar 51 to move up and down at the through hole of the fixing frame 52, so that the two fixing frames 52 fix the fixing plate 53. The assistant person slides the mounting plate 72 to separate the connecting block 75 from the engaging groove 76, rotates the mounting plate 72, drives the connecting rod 74 and the rotating rod 73 to rotate, the rotating rod 73 drives the torsion spring 35 to rotate, so that the torsion spring 35 is loosened, the assistant person holds the person with the impaired leg, the person is located between the two second screws 41, the person holds the top end of the third supporting rod 24, the person is in a suspended state, the assistant person rotates the second screws 41, so that the second screws 41 rotate inside the fixing block 42, the fixing block 42 is fixed by the limiting block 47, the fixing block 42 is prevented from rotating, the second screws 41 rotate to drive the supporting block 44 and the rubber pad 43 to move linearly, so as to reduce the distance between the two second screws 41, and the supporting block 44 and the rubber pad 43 move, the supporting block 44 and the rubber pad 43 are abutted against the waist of the user to fix the waist of the user, the mounting plate 72 is rotated in the reverse direction to tension the torsion spring 35, so that the steel wire 31 is in a tensioned state, and then the mounting plate 72 is reset to fix the mounting plate 72. When a user exercises in a pull-up manner, the user drives the supporting block 44 and the rubber pad 43 to move, the supporting block 44 and the rubber pad 43 drive the second screw rod 41 and the fixed block 42 to move up and down, the fixed block 42 drives the balls 45 to slide on the side wall of the fixed plate 53, the balls 45 rotate to reduce friction between the fixed block 42 and the fixed plate 53, and when the fixed block 42 moves, the fixed block 42 drives the limiting block 47 with a T-shaped section to move up and down in the sliding groove 46, the limiting block 47 fixes the fixed block 42 on the side wall of the fixed plate 53, and the user drives the fixed block 42 and the supporting block 44 to move up and down. When the fixed block 42 moves downwards, the bottom end of the fixed block 42 slides on the side wall of the fixed pulley 32, the steel wire 31 drives the retractor 33 to rotate, so that the steel wire 31 is unwound from the side wall of the retractor 33, and the retractor 33 drives the torsion spring 35 to rotate and tighten; when a user drives the fixed block 42 to move downwards, the bottom end of the fixed block 42 slides on the side wall of the fixed pulley 32, the steel wire 31 drives the retractor 33 (the type of the retractor is PTB-06) to rotate, so that the steel wire 31 is unwound from the side wall of the retractor 33, and the retractor 33 drives the torsion spring 35 to rotate and tighten; the fixed block 42 moves upwards, the torsion spring 35 is loosened to drive the retractor 33 to rotate reversely, so that the steel wire 31 is wound on the side wall of the retractor 33, and the steel wire 31 is in a tensioned state. When people move, people this moment the coiler 33 drives the gear 34 rotates, the gear 34 is contradicted the rubber pole 81, makes the rubber pole 81 is in the lateral wall of support 82 rotates, makes the one end extrusion of rubber pad 81 the second bracing piece 23 increases the first bracing piece 22 with the stability of second bracing piece 23 junction improves the security that this device used. When the physical power of the user is not in time, the palm of the user is separated from the supporting mechanism, and the surrounding nursing staff does not find out in time, the user suddenly moves downwards, the user drives the supporting block 44 and the fixed block 42 suddenly moves downwards, the fixed block 42 drives the steel wire 31 and the retractor 33 rotates, the retractor 33 brakes emergently, the steel wire 31 and the fixed block 42 are fixed, the fixed block 42 is prevented from moving downwards again, the fixed block 42 and the supporting block 44 fix the waist of the user, the hand of the user is contacted with the supporting block 44 at the moment, the user is fixed by the supporting block 44, the user is prevented from dropping from the side wall of the supporting mechanism 2 suddenly, and the safety of people is facilitated. When the person taking exercise needs to reduce exercise intensity, the assistant slides the mounting panel 72 makes the connecting block 75 is followed the internal motion of draw-in groove 76, the mounting panel 72 drives the connecting rod 74 is in the inside of bull stick 73 rotates, the connecting rod 74 drives the connecting block 75 is in the internal motion of recess 71 rotates the mounting panel 72 drives the connecting rod 74 with the bull stick 73 rotates, the bull stick 73 drives torsion spring 35 rotates, makes torsion spring 35 tensioning, thereby increases resistance when coiler 33 rotates the mounting panel 72 makes the mounting panel 72 with draw-in groove 76 aligns, and the cruciform of sliding the mounting panel 72 gets into the cruciform the inside of draw-in groove 76 will the mounting panel 72 is fixed. When the user moves upwards, the torsion spring 35 drives the force of the rotation of the retractor 33 to increase, the steel wire 31 drives the force of the upward movement of the fixed block 42 to increase, when the user moves, the fixed block 42 and the supporting block 44 lift the user upwards, when the user moves downwards, under the action of gravity, the user drives the steel wire 31 to unwind from the retractor 33, at the moment, the rotation resistance of the retractor 33 increases, the supporting block 44 supports the user upwards, the force of the downward movement of the user is reduced, and therefore the exercise intensity of the user is reduced.
Compared with the related art, the pull-up physical exercise training device provided by the invention has the following beneficial effects:
the invention provides a pull-up training device for physical training, when a person with inconvenient legs uses the pull-up training device, an assistant person holds the person with inconvenient legs, a user is positioned between two second screw rods 41, the user holds the top end of a supporting mechanism 1, rotates the second screw rods 41 to enable the second screw rods 41 to rotate inside fixed blocks 42, the second screw rods 41 rotate to drive supporting blocks 44 and rubber pads 43 to move, the distance between the two second screw rods 41 is reduced, the supporting blocks 44 and the rubber pads 43 move to enable the supporting blocks 44 and the rubber pads 43 to abut against the waist of the user to fix the waist of the user, when the user performs pull-up training, the user drives the supporting blocks 44 and the rubber pads 43 to move, the supporting blocks 44 and the rubber pads 43 drive the second screw rods 41 and the fixed blocks 42 to move, the fixing block 42 drives the balls 45 to slide on the side wall of the fixing mechanism 5, the balls 45 rotate to reduce the friction force between the fixing block 42 and the fixing mechanism 5, and when the fixing block 42 moves, the fixing block 42 drives the limiting block 47 with a T-shaped section to move inside the sliding groove 46, the limiting block 47 fixes the fixing block 42, the fixing block 42 is fixed on the side wall of the fixing mechanism 5, so that a user can drive the fixing block 42 and the supporting block 44 to move up and down, when the physical strength of the user is not good, the palm of the user is separated from the supporting mechanism 2, and the surrounding nursing staff does not find out in time, the user suddenly moves downwards, the user drives the supporting block 44 and the fixing block 42 to suddenly move downwards, and the emergency brake mechanism 3 moves to stop the fixing block 42 moving on the side wall of the fixing mechanism 5, the waist of a user is fixed by the fixing block 42 and the supporting block 44, the hand of the user is in contact with the supporting block 44 at the moment, the user is fixed by the supporting block 44, the user is prevented from falling off from the side wall of the supporting mechanism 1 suddenly, and safety of people is facilitated.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
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| CN201911279111.XA CN110917579B (en) | 2019-12-13 | 2019-12-13 | A kind of physical exercise pull-up training device |
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| CN201911279111.XA CN110917579B (en) | 2019-12-13 | 2019-12-13 | A kind of physical exercise pull-up training device |
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| CN110917579A CN110917579A (en) | 2020-03-27 |
| CN110917579B true CN110917579B (en) | 2021-06-25 |
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| CN113713338A (en) * | 2021-09-14 | 2021-11-30 | 中国石油大学(华东) | Intelligent pull-up movement device for fitness |
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| US6422982B1 (en) * | 1999-05-26 | 2002-07-23 | Anthony F. Retel | Chiropractic exerciser |
| CN208003357U (en) * | 2017-12-21 | 2018-10-26 | 沈阳体育学院 | Folding utility athletic training instrument |
| CN108905087B (en) * | 2018-06-26 | 2020-02-14 | 山东大学齐鲁医院(青岛) | Wrist strength exerciser with replaceable anti-skid sleeve |
| CN109568878B (en) * | 2018-11-08 | 2020-12-01 | 义乌市泽宣科技有限公司 | Weight lifting auxiliary frame for preventing barbell from falling |
| CN109529275A (en) * | 2018-12-28 | 2019-03-29 | 贵州大学 | A kind of safety protective chin-up training device |
-
2019
- 2019-12-13 CN CN201911279111.XA patent/CN110917579B/en not_active Expired - Fee Related
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| CN110917579A (en) | 2020-03-27 |
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