CN108404352B - Pedal assembly and body-building equipment - Google Patents
Pedal assembly and body-building equipment Download PDFInfo
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- CN108404352B CN108404352B CN201810253086.7A CN201810253086A CN108404352B CN 108404352 B CN108404352 B CN 108404352B CN 201810253086 A CN201810253086 A CN 201810253086A CN 108404352 B CN108404352 B CN 108404352B
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- swing arm
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- frame
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- 230000007246 mechanism Effects 0.000 claims description 27
- 230000033001 locomotion Effects 0.000 description 49
- 230000001360 synchronised effect Effects 0.000 description 25
- 238000000034 method Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 17
- 230000001429 stepping effect Effects 0.000 description 8
- 210000002683 foot Anatomy 0.000 description 6
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 210000003371 toe Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/04—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable multiple steps, i.e. more than one step per limb, e.g. steps mounted on endless loops, endless ladders
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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
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/005—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/012—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using frictional force-resisters
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/16—Supports for anchoring force-resisters
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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
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/22—Resisting devices with rotary bodies
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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
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
- A63B22/0664—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing an elliptic movement
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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
-
- 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
- A63B23/03575—Apparatus used for exercising upper and lower limbs simultaneously
-
- 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
- A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
-
- 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
- A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
- A63B23/0405—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs involving a bending of the knee and hip joints simultaneously
Landscapes
- 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)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rehabilitation Tools (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Ladders (AREA)
- Mechanical Control Devices (AREA)
Abstract
The invention discloses a pedal assembly and body-building equipment, which comprises a pedal, a support frame, a front swing arm and a rear swing arm, wherein the pedal is arranged at the rear end part of the support frame, the lower end part of the rear swing arm is hinged at the middle part of the support frame, the lower end part of the front swing arm is hinged at the front end part of the support frame, the pedal is rotatably arranged on the support frame, a connecting rod is hinged between the pedal and the rear swing arm, and a four-bar structure is formed among the pedal, the support frame, the connecting rod and the rear swing arm, so that the experience of the body-building equipment is improved.
Description
Technical Field
The invention relates to fitness equipment, in particular to a pedal assembly and fitness equipment.
Background
At present, along with the improvement of the living standard of people, people pay more attention to the health of the people, various body-building equipment is developed and marketed along with the improvement, common body-building equipment on the market comprises elliptical machines, mountain climbing machines, body-building machines and the like, the elliptical machines, the mountain climbing machines or the body-building machines and the like are usually provided with pedals, the pedals of the conventional body-building equipment are usually of a flat plate structure, and a sporter steps on the pedals to realize corresponding body-building exercises. In the actual use process, the pedal is used as a supporting part for placing the foot of a sporter, the heel can be lifted from the pedal along with the bending and straightening of the leg of the sporter, at the moment, the pedal only supports the toe part, and most sole parts cannot obtain effective support of the pedal, so that the experience is poor. How to design a pedal with better experience for the sporter is the technical problem to be solved by the invention.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the pedal assembly and the exercise equipment are provided, and user experience of the exercise equipment is improved.
The technical scheme includes that the pedal assembly comprises a pedal, a support frame, a front swing arm and a rear swing arm, wherein the pedal is arranged at the rear end part of the support frame, the lower end part of the rear swing arm is hinged to the middle part of the support frame, the lower end part of the front swing arm is hinged to the front end part of the support frame, the pedal is rotatably arranged on the support frame, a connecting rod is hinged between the pedal and the rear swing arm, and a four-bar structure is formed among the pedal, the support frame, the connecting rod and the rear swing arm.
Further, a plurality of adjusting holes are formed in the rear swing arm in the extending direction, and the corresponding end parts of the connecting rods are rotatably installed in the corresponding adjusting holes.
Further, a slidable slider is arranged on the rear swing arm, a driver for driving the slider to slide is further arranged on the rear swing arm, and the corresponding end part of the connecting rod is rotatably arranged on the slider.
Further, a sliding groove is formed in the rear swing arm, and the sliding block is arranged in the sliding groove in a sliding mode.
Further, the driver is a linear motor, and a moving part of the linear motor is connected with the sliding block.
Further, the driver comprises a motor and a screw rod, the sliding block is provided with a threaded hole, the screw rod is connected with a rotating shaft of the motor, and the screw rod is in threaded connection with the threaded hole.
The invention also provides body-building equipment, which comprises a frame and the pedal assembly; the front swing arm and the rear swing arm of the pedal assembly are mounted on the frame.
Further, the pedal assembly is further provided with a connecting rod mechanism, the connecting rod mechanism comprises a crank, a connecting rod assembly and a rocker, the crank is connected with the rocker through the connecting rod assembly, the upper end part of the rear swing arm is hinged to the frame, and the upper end part of the front swing arm is hinged to the rocker.
Further, the connecting rod assembly includes a main connecting rod hinged between the crank and the rocker.
Further, the connecting rod assembly comprises a first connecting rod, a second connecting rod and a third connecting rod which are hinged on the same shaft, the crank is fixed on the corresponding end part of the main shaft, the rocker is hinged on the frame, the first connecting rod is hinged with the crank, the second connecting rod is hinged with the rocker, and the third connecting rod is hinged with the frame.
Compared with the prior art, the invention has the advantages and positive effects that: according to the pedal assembly and the body-building equipment, the pedals and the rear swing arms are connected together through the connecting rods, and the rear swing arms drive the pedals 31 to synchronously rotate through the connecting rods along with the swing of the rear swing arms in the movement process, so that the pedals can be ensured to be always abutted against the bottoms of the feet in the movement process of a sporter, the condition that only the toes of the user contact the pedals in the process of bending and straightening the legs is avoided, and the sporter obtains better movement experience.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a front view of a first embodiment of the exercise apparatus of the present invention
FIG. 2 is a front view of a second embodiment of the exercise apparatus of the present invention;
FIG. 3 is a perspective view of a second embodiment of the exercise apparatus of the present invention;
FIG. 4 is a view showing a second embodiment of the exercise apparatus according to the present invention;
FIG. 5 is a diagram showing a second embodiment of the exercise apparatus according to the present invention;
FIG. 6 is an exploded view of the synchronization assembly of an embodiment of the exercise apparatus of the present invention;
FIG. 7 is an assembly view of the toothed belt and synchronization adjustment assembly of FIG. 6;
FIG. 8 is a schematic view of another embodiment of the exercise apparatus of the present invention in which the synchronization assembly is constructed;
fig. 9 is a schematic structural view of a third embodiment of the exercise apparatus of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a pedal assembly which comprises a pedal, a support frame, a front swing arm and a rear swing arm, wherein the pedal is arranged at the rear end part of the support frame, the lower end part of the rear swing arm is hinged to the middle part of the support frame, the lower end part of the front swing arm is hinged to the front end part of the support frame, the pedal is rotatably arranged on the support frame, a connecting rod is hinged between the pedal and the rear swing arm, and a four-bar structure is formed among the pedal, the support frame, the connecting rod and the rear swing arm. The connecting rod is utilized to drive the pedals to rotate along with the rear swing arm, so that the sole of a sporter can be supported well all the time, the experience of the sporter is improved, and the exercise equipment adopting the pedal assembly with the structure is described by taking the attached drawings as an example.
As shown in fig. 1, the exercise equipment of the embodiment comprises a frame 1 and two pedal assemblies 3, wherein the two pedal assemblies 3 are arranged left and right and are installed on the frame 1;
the pedal assembly 3 comprises a pedal 31, a support frame 32, a rear swing arm 33, a front swing arm 34 and a connecting rod mechanism 35, wherein the connecting rod mechanism 35 comprises a crank 351, a connecting rod assembly and a rocker 352 which are hinged together in sequence, the crank 351 is fixed on the corresponding end part of the main shaft 11, the rocker 352 is hinged on the frame 1, and the crank 351 is connected with the rocker 352 through the connecting rod assembly; the foot rest 31 is mounted at the rear end of the support frame 32, the lower end of the rear swing arm 33 is hinged to the middle of the support frame 32, the lower end of the front swing arm 34 is hinged to the front end of the support frame 32, the upper end of the rear swing arm 33 is hinged to the frame 1, and the upper end of the front swing arm 34 is hinged to the rocker 352.
Specifically, the support frame 32 of the pedal 31 is lifted by the rear swing arm 33 and the front swing arm 34, wherein the lengths of the rear swing arm 33 and the front swing arm 34 are not changed in the actual use process, so that a large enough movement space can be obtained for each pedal 31, and meanwhile, the situation that the force variation of the stepping process of a sporter is overlarge due to the length variation of the force arm of the pedal 31 can be reduced. More importantly, the upper end part of the front swing arm 34 is hinged on a rocker 352 of the connecting rod mechanism 35, the up-and-down motion of the pedal 31 is limited by the connecting rod mechanism 35, the connecting rod mechanism 35 can effectively guide the motion track of the front swing arm 34, the up-and-down motion and the front-and-back motion of the pedal 31 are ensured not to be influenced, and smooth and soft operation of the body-building equipment is ensured. In addition, pedal assemblies 3 arranged left and right on the frame 1 ensure running synchronization through the synchronization assemblies 2, so that pedals 31 on one side ascend and pedals 31 on the other side synchronously move downwards, and meanwhile, two ends of the main shaft 11 are connected with corresponding cranks 351, so that the synchronous effect can be further achieved, and the stepping motion is ensured to be softer and smoother. In order to obtain damping during exercise, the exercise apparatus of this embodiment further includes a first damper 101 and a second damper 102, the main shaft 11 is connected to the first damper 101, the synchronizing shaft 21 is connected to the second damper 102, during stepping exercise of the exerciser, the forward and backward movement of the pedal 31 drives the second damper 102 to operate, and the up and down movement of the pedal 31 drives the first damper 101 to operate, and the first damper 101 and the second damper 102 may take the form of dampers commonly used in exercise apparatuses in the prior art, for example: friction dampers, electromagnetic dampers, and the like; meanwhile, according to design requirements, the main shaft 11 is also connected with an inertia wheel 10, wherein, taking the main shaft 11 connected with the inertia wheel 10 as an example, the inertia wheel 10 can be directly connected with the main shaft 11 or can be connected with the main shaft 11 in an indirect connection mode. Preferably, the upper end of the rear swing arm 33 is further provided with a handle 331 for the convenience of the user's hand. And the pedal 31 the support frame 32 the connecting rod 311 with form four connecting rod structures between the back swing arm 33, after the sportsman steps on body-building equipment, sportsman's sole laminating is on pedal 31's upper surface, and in the sportsman's motion process, along with the swing of back swing arm 33, back swing arm 33 will drive pedal 31 synchronous rotation through connecting rod 311 when for support frame 32 rotation, can ensure like this that pedal 31 is leaned on the foot bottom all the time in the sportsman's motion process to avoid the user to have pedal tip contact pedal 31 in the crooked and straightened shank in-process, thereby make the sportsman obtain better motion experience. Wherein the connecting rod assembly may be a main connecting rod hinged between said crank 351 and said rocker 352.
Alternatively, as shown in fig. 2 to 5, the link assembly may take other structural forms, specifically, the link assembly includes a first link 353, a second link 354 and a third link 355 hinged on the same axis, the crank 351 is fixed on the corresponding end of the main shaft 11, the rocker 352 is hinged on the frame 1, the first link 353 is hinged with the crank 351, the second link 354 is hinged with the rocker 352, and the third link 355 is hinged with the frame 1. Further, to ensure smoother operation of the exercise apparatus, the rocker 352 includes a first sub-rocker 3521 and a second sub-rocker 3522, the first sub-rocker 3521 being hinged to the second link 354, and the second sub-rocker 3522 being hinged to the front swing arm 34. Specifically, for each pedal assembly 3, the exercise apparatus of the present embodiment forms a first multi-link structure with the link mechanism 35, and forms a second multi-link structure between the front swing arm 34, the rear swing arm 33, the support frame 32, the second sub-swing arm 3522 and the frame 1, and the two sub-swing arms are arranged to satisfy the installation of the two sets of multi-link structures, so that the decorative cover is added in the later stage to cover the first multi-link structure, thereby improving the aesthetic effect, and the second sub-swing arm 3522 can ensure that the front swing arm 34 is located outside the decorative cover, so as to ensure a large-scale smooth movement. Preferably, the rotation axis formed by the first sub-rocker 3521 and the second connecting rod 354 is parallel to the rotation axis formed by the second sub-rocker 3522 and the front swing arm 34, specifically, the first sub-rocker and the second sub-rocker are obliquely arranged with each other, and a certain included angle is formed between the first sub-rocker 3521 and the second sub-rocker, so that the rotation axis at the connection position of the first sub-rocker 3521 and the second connecting rod 354 is not in collinear arrangement with the rotation axis at the connection position of the second sub-rocker 3522 and the front swing arm 34, and in this way, the first multi-connecting rod structure and the second multi-connecting rod structure can be prevented from generating a collinear pulling force on the rocker 352 in the forward and backward movement process, and the dead point of movement can be avoided in the forward and backward movement process. Wherein, the exercise equipment of the embodiment can also comprise a height adjusting assembly 4, the height adjusting assembly 4 comprises a rotating frame 41 and a driving mechanism 42 for driving the rotating frame 41 to rotate, the rotating frame 41 is rotatably arranged on the frame 1, and a third connecting rod 355 is hinged with the rotating frame 41; in order to meet the different requirements of different sportsmen on the movement amplitude and the movement quantity, the rotating frame 41 is driven to rotate through the driving mechanism 42, so that the hinge position of the lower end part of the third connecting rod 355 is changed relative to the main shaft 11, the movement track of the connecting rod mechanism 35 can be adjusted, the swinging amplitude of the crank 351 can be changed through the connecting rod assembly driving rocker 352, the movement amplitude of the pedal 31 can be indirectly changed, the limit position of the up-down movement of the pedal 31 is adjusted, the effect of adjusting the movement amplitude of the pedal 31 is realized, and the adjustment of the different leg lifting heights of the sportsmen is realized, so that the body-building requirements of different sportsmen are met.
Still further, in order to further ensure that the user can use the exercise apparatus without dead points smoothly when operating the exercise apparatus according to the present embodiment, the exercise apparatus according to the present embodiment is configured such that the crank 351 of one of the link mechanisms 35 is positioned in the same straight line as the corresponding first link 353, and the crank 351 of the other link mechanism 35 is staggered with the corresponding first link 353. Specifically, when the crank 351 of the left link mechanism 35 and the corresponding first link 353 are positioned in the same straight line, and at this time, the crank 351 of the right link mechanism 35 and the corresponding first link 353 are staggered, so that the user can smoothly move only by pressing the right pedal 31, and even if one of the link mechanisms 35 is in a dead point state, the other link mechanism 35 can move to overcome the dead point position by moving the other link mechanism 35, so as to ensure that the link mechanism 35 smoothly guides the pedal 31 to move.
Still further, for different sporters, the initial state of the pedal 31 may be designed as an adjustable mode due to different statures and exercise modes, specifically: a plurality of adjusting holes 331 are provided in the extending direction of the rear swing arm 33, corresponding ends of the connecting rods 311 are rotatably mounted in the corresponding adjusting holes 331, specifically, the connecting rods 311 may be connected in the corresponding adjusting holes 331 by means of pins or the like, so as to adjust the posture of the pedal 31 in the initial state; or, as shown in fig. 9, the rear swing arm 33 is provided with a slidable slider 332, the rear swing arm 33 is further provided with a driver 333 for driving the slider 332 to slide, the corresponding end of the connecting rod 311 is rotatably mounted on the slider 332, specifically, the slider 332 is controlled to move in an electric driving manner with the driver 333 so as to automatically adjust the posture of the pedal 31 in an initial state, so as to meet the specific exercise requirements of different players, the rear swing arm 33 is provided with a sliding groove (not shown), the slider 332 is slidably disposed in the sliding groove so as to be adjusted by guiding the sliding of the slider 332 smoothly through the sliding groove, in addition, the moving part of the driver 33 may be a linear motor, the moving part of the linear motor is connected with the slider, or the representing entity of the driver 33 includes a motor and a screw rod, the slider 332 is provided with a threaded hole, the screw rod is connected with the rotating shaft of the motor, and the screw rod is screwed in the threaded hole.
Wherein, in order to guarantee the better synchronous motion of pedal subassembly 3 that arranges about on frame 1, this exercise equipment has still been practiced thrift and has been included synchronization subassembly 2, synchronization subassembly 2 is arranged in the synchronous rotation of back swing arm among two pedal subassemblies 3, in order to realize two pedal subassemblies 3 synchronous motion, concretely, the both ends of main shaft 11 can realize the pedal subassembly 3 synchronous motion of both sides through being connected with corresponding crank 351, simultaneously, the synchronization subassembly 2 of the cooperation of again can further guarantee to move in step, make pedal 31 of one side rise or advance the simultaneous pedal 31 synchronous downward or backward movement of opposite side, ensure the motion smoothness of part in the motion process, ensure that the motion of marking time is softer smooth and easy. The synchronous assembly 2 has various structural forms, and is described below with reference to the drawings.
As shown in fig. 6 and 7, the synchronizing assembly 2 includes a synchronizing shaft 21 and two synchronizing wheels 22 with opposite rotation directions, the synchronizing shaft 21 is rotatably mounted on the frame 1, the two synchronizing wheels 22 are respectively connected with the synchronizing shaft 21 in a transmission manner, the synchronizing wheels 22 are disposed at the upper end portions of the corresponding rear swing arms 33, and the upper end portions of the rear swing arms 33 and the corresponding synchronizing wheels 22 are coaxially disposed and rotatably mounted on the frame 1. Specifically, in the synchronization assembly 2 of this embodiment, the connection manner between the synchronization shaft 21 and the synchronization wheel 22 may adopt a conventional synchronization structure in the existing fitness equipment, preferably, two ends of the synchronization shaft 21 are respectively provided with a driving wheel 23 and a driving wheel 24, a first synchronous belt 25 is disposed between the driving wheel 23 and the synchronization wheel 22 on the corresponding side, and a second synchronous belt 26 is disposed between the other driving wheel 24 and the synchronization wheel 22 on the corresponding side; the first timing belt 25 is wound between the corresponding driving wheel 23 and the timing wheel 33 in the same winding direction, and the second timing belt 26 is wound between the corresponding driving wheel 24 and the timing wheel 22 in the opposite winding direction. Specifically, since the movement directions of the pedals 31 on the left and right sides are opposite, the first synchronous belt 25 is wound on the corresponding driving wheel 23 and the corresponding synchronous wheel 33 in the same winding direction, so that the driving wheel 23 and the corresponding synchronous wheel 33 rotate in the same direction, and the second synchronous belt 26 is wound on the corresponding driving wheel 24 and the corresponding synchronous wheel 33 in the opposite winding direction, so that the driving wheel 24 and the corresponding synchronous wheel 33 rotate in opposite directions, thereby meeting the requirement of synchronous but reverse movement of the pedals 31 on the left and right sides. In order to improve the synchronization consistency, the outer circumferences of the synchronizing wheel 33, the driving wheel 23 and the driving wheel 24 are all of gear structures, and the first synchronous belt 25 and the second synchronous belt 26 are all of rack belts; alternatively, the first timing belt 25 and the second timing belt 26 may be fixed to the corresponding timing wheel 33, respectively, so that only the outer circumferences of the driving wheel 23 and the driving wheel 24 need be provided in a gear structure. Preferably, the synchronizing wheel is provided with a synchronizing adjusting assembly 27, the synchronizing adjusting assembly 27 includes an adjusting bracket 271, two positioning blocks 272 and two adjusting bolts 273, the two positioning blocks 272 are arranged back to back and are respectively slidably arranged on the adjusting bracket 271, the positioning blocks 272 are provided with slots 270 for positioning the rack belt, the slots 270 are provided with tooth structures, and the adjusting bolts 273 are in threaded connection with corresponding ends of the adjusting bracket 271 and are abutted against the positioning blocks 272. Specifically, in the assembly process, two end portions of the toothed belt can be correspondingly connected and fixed through two positioning blocks 272, taking the first synchronous belt 25 as an example, two end portions of the first synchronous belt 25 are correspondingly inserted into the slots 270 from the side surfaces of the positioning blocks 272, teeth of the first synchronous belt 25 are meshed with tooth structures in the slots 270, so that the first synchronous belt 25 can be prevented from being separated from the slots 270, the positioning blocks 272 can slide on the adjusting support 271, and by rotating two adjusting bolts 272 simultaneously, the adjusting bolts 272 abut against the positioning blocks 272 to drive the positioning blocks 272 to move on the adjusting support 271 so as to change the positions of the positioning blocks 272, and accordingly, the relative positions of two pedals 31 can be adjusted according to requirements. The adjusting support 271 is of a pipeline structure, the positioning blocks 272 are slidably arranged in the pipeline structure, sockets (not marked) are respectively formed in two ends of the adjusting support 271, detachable baffles 274 are arranged in the sockets, threaded holes (not marked) are formed in the baffles 274, the two positioning blocks 272 are located between the two baffles 274, the adjusting bolts 273 are in threaded connection with the threaded holes, the pipeline structure is adopted to adjust the opening of the slot 270 of the positioning blocks 272, the opening of the slot 270 can be effectively limited, the situation that the opening is overlarge due to deformation caused by tensile force of the rack belt in the slot 270 is avoided, the positioning blocks 272 are placed in a pipeline formed by the adjusting support 271, on one hand, the opening of the slot 270 is prevented from being overlarge, on the other hand, the positioning blocks 272 slide in the pipeline and can be adjusted by a sporter conveniently, and the using reliability and convenience are improved. The positioning block 272 is further provided with a positioning blind hole 2721, and an end of the adjusting bolt 273 is inserted into the corresponding positioning blind hole 2721, and the end of the adjusting bolt 273 is positioned through the positioning blind hole 2721. In addition, in order to limit the swing amplitude of the pedal 31, the synchronizing shaft 21 is further provided with a limiting plate 28, the frame 1 is further provided with a limiting wheel matched with the limiting plate 28, the edge of the limiting plate 28 is provided with an arc guiding portion 281 and two upturned limiting portions 282, the arc guiding portion 281 is located between the two limiting portions 282, when the pedal 31 moves in a normal range, the arc guiding portion 281 is in contact with the limiting wheel, and when the pedal 31 gradually moves to a limiting position, the upturned limiting portions 282 are in contact with the limiting wheel, and finally the maximum stroke position of the pedal 31 is limited by the cooperation of the upturned limiting portions 282 and the limiting wheel.
Also, as shown in fig. 8, the synchronization assembly 2 may include a swing frame 21 and two connection frames 22, the connection frames 22 including a rotation seat 221 and a pull rod 222 hinged together, the swing frame 21 being rotatably mounted on the frame 1 and located between the two pedal assemblies 3, the rotation seat 221 being fixed on the corresponding rear swing arm 33, the pull rod 222 being hinged with the corresponding end of the swing frame 21; the rotation axis of the swing frame 21 is perpendicular to the rotation axis of the rotation seat 221. Specifically, when the rear swing arm 33 of one pedal assembly rotates, the connecting frame 22 on the rear swing arm 33 drives the swing frame 21 to swing, and the swing frame 21 drives the connecting frame 22 on the other rear swing arm 33 to correspondingly act, so that synchronization is realized.
The specific use process of the exercise device of this embodiment is as follows:
1. in the implementation process of the up-and-down motion of the stepping motion of the sporter, the foot of the sporter applies downward thrust on the pedal 31, the force is transmitted to the front swing arm 34 through the support frame 32, the front swing arm 34 transmits upward thrust to the rocker 352, the rocker 352 transmits upward thrust to the connecting rod assembly, the connecting rod assembly transmits upward tensile force to the crank 351, and the other end of the crank 351 is in tight fit connection with the main shaft 11; because one end of the crank 351 is fixed on the main shaft 11, one end is pulled upwards by the connecting rod assembly, the crank 351 rotates clockwise around the main shaft 11, and because two cranks 351 are connected at two ends of the main shaft 11 in a tight fit manner, one end of the crank 351 of the main shaft 11 rotates to drive the other end of the crank 351 to rotate symmetrically, so that the pedal assembly 3 at the other side of the frame 1 moves symmetrically, the other side foot of a sporter lifts, and the up-and-down motion of stepping motion is realized.
2. The back swing arm 33 is rotatably installed on the frame 1, and meanwhile, the front swing arm 34 is hung on the rocker 352 to do back-and-forth swing arm movement, and is connected with the pedal 12 through the support frame 32 to do back-and-forth movement. The other side of the frame 1 is symmetrically designed with the same structure, and the pedals 31 on the left side and the right side can realize reverse synchronous movement under the action of the synchronous component 2, thereby realizing the movement of stepping before and after the stepping movement of the sporter.
In the actual use process, the sporter can perform the up-and-down stepping action and the forward-and-backward movement at the same time.
From the above, the pedal assembly 3 is not only the link mechanism 35 itself is a link assembly structure, but also the support frame 32, the rear swing arm 33 and the front swing arm 34 form a link assembly structure, and the pedal 31 can be ensured to move up and down and back and forth simultaneously by using two sets of link assembly structures, and the large-amplitude movement and the stress balance of the pedal 31 can be ensured, so that the experience of a sporter is effectively improved.
Through adopting the front and back swing arm to install the pedal for the pedal of controlling the side has enough big stroke scope in the back and forth translation process, and effectual increase pedal swing range, in order to satisfy the exercise amount maximize requirement of sporter, simultaneously, the front swing arm is connected and is realized pedal up-and-down motion on link mechanism's rocker, pedal up-and-down motion converts the crank rotation in the link mechanism, can ensure that whole motion process is smooth-going, the mechanism that realizes leading pedal left and right sides and up-and-down motion all adopts link assembly articulated mode, the arm of force that pedal produced in different positions change less, makes the sporter all can exert balanced force to drive its motion to the pedal of different positions department, the effectual use experience who has improved the sporter. Meanwhile, the swing arm and the connecting rod mechanism are adopted to install the pedals, so that the connection reliability and the use reliability of the whole structure are greatly improved, the whole body-building equipment runs more softly and smoothly, and better body-building experience is provided for a sporter.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The pedal assembly comprises a pedal, a support frame, a front swing arm and a rear swing arm, wherein the pedal is installed at the rear end part of the support frame, the lower end part of the rear swing arm is hinged to the middle part of the support frame, the lower end part of the front swing arm is hinged to the front end part of the support frame, the pedal is rotatably installed on the support frame, a connecting rod is hinged between the pedal and the rear swing arm, and a four-bar structure is formed among the pedal, the support frame, the connecting rod and the rear swing arm;
the pedal assembly is also provided with a connecting rod mechanism, the connecting rod mechanism comprises a crank, a connecting rod assembly and a rocker, the crank is connected with the rocker through the connecting rod assembly, the upper end part of the rear swing arm is hinged on the frame, and the upper end part of the front swing arm is hinged on the rocker; the connecting rod assembly comprises a first connecting rod, a second connecting rod and a third connecting rod which are hinged on the same shaft, the crank is fixed on the corresponding end part of the main shaft of the frame, the rocker is hinged on the frame, the first connecting rod is hinged with the crank, and the second connecting rod is hinged with the rocker;
the body-building equipment further comprises a height adjusting assembly, the height adjusting assembly comprises a rotating frame and a driving mechanism used for driving the rotating frame to rotate, the rotating frame is rotatably installed on the frame, and the third connecting rod is hinged with the rotating frame.
2. The exercise apparatus of claim 1 wherein a plurality of adjustment apertures are provided in the rear swing arm in the extension direction, the corresponding ends of the connecting rods being rotatably mounted in the corresponding adjustment apertures.
3. The exercise apparatus of claim 1 wherein the rear swing arm is provided with a slidable slider, the rear swing arm is further provided with a driver for driving the slider to slide, and the corresponding end of the connecting rod is rotatably mounted on the slider.
4. A fitness device according to claim 3, wherein the rear swing arm is provided with a chute in which the slider is slidingly arranged.
5. The exercise apparatus of claim 3 wherein the drive is a linear motor, the moving part of the linear motor being connected to the slider.
6. A fitness device according to claim 3, wherein the drive comprises a motor and a screw, the slider being provided with a threaded hole, the screw being connected to a spindle of the motor, the screw being screwed in the threaded hole.
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| CN2017203742996 | 2017-04-11 | ||
| CN201720374299 | 2017-04-11 |
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| CN108404352A CN108404352A (en) | 2018-08-17 |
| CN108404352B true CN108404352B (en) | 2023-12-01 |
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| CN201720739546.8U Active CN207323946U (en) | 2017-04-11 | 2017-06-23 | Footrest component and fitness equipment |
| CN201710485859.XA Active CN107185161B (en) | 2017-04-11 | 2017-06-23 | Pedal assembly and fitness equipment |
| CN201810252405.2A Active CN108355305B (en) | 2017-04-11 | 2018-03-26 | Exercise equipment |
| CN201810253086.7A Active CN108404352B (en) | 2017-04-11 | 2018-03-26 | Pedal assembly and body-building equipment |
| CN201810252423.0A Active CN108379782B (en) | 2017-04-11 | 2018-03-26 | Multifunctional body-building device |
| CN201820411048.5U Active CN208389256U (en) | 2017-04-11 | 2018-03-26 | Footrest component and body-building equipment |
| CN201820411631.6U Active CN208130336U (en) | 2017-04-11 | 2018-03-26 | Multi-gym |
| CN201820411623.1U Active CN208145314U (en) | 2017-04-11 | 2018-03-26 | Body-building equipment |
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| CN201720739546.8U Active CN207323946U (en) | 2017-04-11 | 2017-06-23 | Footrest component and fitness equipment |
| CN201710485859.XA Active CN107185161B (en) | 2017-04-11 | 2017-06-23 | Pedal assembly and fitness equipment |
| CN201810252405.2A Active CN108355305B (en) | 2017-04-11 | 2018-03-26 | Exercise equipment |
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| CN201810252423.0A Active CN108379782B (en) | 2017-04-11 | 2018-03-26 | Multifunctional body-building device |
| CN201820411048.5U Active CN208389256U (en) | 2017-04-11 | 2018-03-26 | Footrest component and body-building equipment |
| CN201820411631.6U Active CN208130336U (en) | 2017-04-11 | 2018-03-26 | Multi-gym |
| CN201820411623.1U Active CN208145314U (en) | 2017-04-11 | 2018-03-26 | Body-building equipment |
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| CN207323946U (en) * | 2017-04-11 | 2018-05-08 | 山东英吉多健康产业有限公司 | Footrest component and fitness equipment |
| CN109925164B (en) * | 2019-02-28 | 2023-11-28 | 浙江工业大学 | Rope-driven inner foot mechanism for lower limb rehabilitation robot |
| CN109925165B (en) * | 2019-02-28 | 2023-11-28 | 浙江工业大学 | Rope-driven 4+2 type lower limb rehabilitation robot |
| CN110141831B (en) * | 2019-06-24 | 2024-03-01 | 济宁医学院 | Improved rehabilitation and fitness integrated equipment |
| CN112053604B (en) * | 2020-09-07 | 2023-10-03 | 舒江 | Double motion runner mechanism |
| CN113332661B (en) * | 2021-07-05 | 2022-12-02 | 东莞市本末科技有限公司 | Dual-motor shake counteracting fitness device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108355305B (en) | 2023-12-01 |
| CN208145314U (en) | 2018-11-27 |
| CN207323946U (en) | 2018-05-08 |
| CN107185161A (en) | 2017-09-22 |
| CN108379782B (en) | 2023-12-01 |
| CN208130336U (en) | 2018-11-23 |
| CN108404352A (en) | 2018-08-17 |
| CN107185161B (en) | 2022-08-12 |
| CN108355305A (en) | 2018-08-03 |
| CN208389256U (en) | 2019-01-18 |
| CN108379782A (en) | 2018-08-10 |
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