Training device for physical fitness
Technical Field
The invention relates to the field of sports equipment, in particular to a training device for physical fitness.
Background
Physical fitness training devices come in a wide variety of forms, such as waist wrenches and in-place exercise bicycles. The waist twister is used for twisting the waist, thereby training the waist. The in-situ exercise bicycle treads the pedals through feet, so that the wheels rotate in situ, and the leg training is realized.
However, in the prior art, there is no device for simultaneously training the waist and the legs, and when the waist and the legs are required to be trained, the waist and the legs are required to be trained separately on two different training devices, which wastes time and is not beneficial to improving the training efficiency.
Disclosure of Invention
The invention aims to provide a training device for physical fitness, so as to realize simultaneous training of legs and waist.
In order to achieve the purpose, the invention adopts the following technical scheme: the training device for physical fitness comprises a handrail frame, a waist twisting block and a base, wherein the bottom of the waist twisting block is rotatably connected to the base, the waist twisting block is fixedly connected with a chain wheel frame, a first chain wheel is rotatably connected to the chain wheel frame, pedal rods arranged along the radial direction of the first chain wheel are fixedly connected to the middle parts of the two sides of the first chain wheel, and the end parts of the pedal rods are rotatably connected with pedals; the bottom of the waist twisting block is fixedly provided with a plurality of wheel frames, the circumferences of the wheel frames are uniformly distributed on the bottom of the waist twisting block, the wheel frames are rotatably connected with wheels, the wheels roll on the base, and a chain wheel and chain mechanism is connected between the wheels and the first chain wheel.
The principle and the advantages of the scheme are as follows: when the waist twisting fitness device is used, a trainer sits on the waist twisting block and holds the handrail frame by hands, and people can be prevented from falling off the waist twisting block during waist twisting fitness through holding the handrail frame by hands, so that the safety of waist twisting fitness can be improved. After sitting, the foot tramples the pedal plate, the pedal plate drives the first chain wheel to rotate on the chain wheel frame through the pedal rod, the chain wheel frame drives the wheel to rotate through the chain wheel and chain mechanism, and the wheels roll on the base because the circumferences of the plurality of wheel frames are uniformly distributed on the bottom of the waist twisting block, so that when the wheel rotates, the wheel drives the waist twisting block to rotate on the base, and the twisting of the waist is realized. And when the foot pedal is trampled by the foot, the bicycle is simulated to be ridden, thereby realizing the training of the leg. From this, realized training in the time of shank and waist through this scheme, be favorable to improving the efficiency of body-building, training. Because the sprocket carrier is located twists the waist piece, consequently when twisting the waist piece and rotate, twist the waist piece and drive the sprocket carrier and move together to make first sprocket and twist the position relation of waist piece two unchangeable relatively, when twisting the waist like this, can not influence the foot and trample the running-board, the foot can carry out normal trampling to the running-board.
Preferably, as an improvement, the chain wheel and chain mechanism comprises a first chain, a second chain wheel, a third chain wheel and a fourth chain wheel, the second chain wheel and the third chain wheel are coaxially and fixedly connected together, the second chain wheel is rotationally connected to the waist twisting block, the fourth chain wheel and the wheel are coaxially and fixedly connected together, the first chain is connected between the first chain wheel and the second chain wheel, and the second chain is connected between the third chain wheel and the fourth chain wheel. From this, when first sprocket rotated, first sprocket drove the second sprocket through first chain and rotates, and the second sprocket drove the third sprocket and rotates, and the third sprocket passes through the second chain and drives the fourth sprocket and rotate, and the fourth sprocket drives the wheel rotation to realized twisting the pivoted drive of waist piece.
Preferably, as an improvement, fixedly connected with shelf on the base, fixedly connected with curved back massage board on the shelf, back massage board is located the top of turning round the waist piece, and back massage board rotates on the side towards handrail frame and is connected with a plurality of massage balls. From this, turn round the waist piece and when rotating and wrench movement to the waist, human back and waist move on the massage ball of back massage board, and the massage ball receives the frictional force on human back and takes place to rotate, and the massage ball massages human back and waist for human back and waist are more comfortable, and the human body can be relaxed, and the exercise effect is better.
Preferably, as an improvement, the base is connected with the carousel that is located the waist piece below of turning round in the rotation, and fixedly connected with is used for driving the lift cylinder that turns round waist piece and move from top to bottom on the top of carousel. Therefore, when the waist twisting block rotates, the rotating disc rotates along with the waist twisting block. The lifting cylinder is used for driving the waist twisting block to move up and down, so that training personnel can move up and down, the back massage plate can slide up and down relative to the back to massage, compared with a massage mode that the back only rotates left and right relative to the back massage plate, the massage ball can roll up and down, and the massage effect is further improved.
Preferably, as an improvement, be equipped with the air pump on the base, be connected with the trachea between air pump and the lift cylinder, be equipped with the torsional spring between carousel and the base, be equipped with the control button who is used for controlling the air pump on the handrail frame, be equipped with the hole of disappointing on the base, be equipped with the air flue on the carousel, the inside intercommunication of air flue and lift cylinder, air flue and the intermittent type nature intercommunication in disappointing hole. From this, foot pedal is trampled to foot to realized turning round the rotation of waist piece, turned round the rotation of waist piece and driven the carousel and rotate, the carousel rotates and makes the torsional spring hold up power. After turning round waist piece folk prescription and rotating to the certain degree, the hand is once pressed control button, and the air pump starts, and during the air pump supplied gas to the lift cylinder, the cylinder pole of lift cylinder rose to will turn round waist piece and upwards rise, make wheel and base separation, even if the wheel received sprocket chain mechanism's drive to take place to rotate like this, also can not drive to turn round waist piece and continue to rotate because wheel and base separation. On the contrary, the rotary table moves reversely under the action of the elasticity of the torsion spring, the rotary table rotates reversely, and the rotary table drives the waist twisting block to rotate reversely through the lifting cylinder, so that the waist twisting block rotates reversely and resets. After the waist piece resets, disappointing hole and gas passage intercommunication this moment, the gas in the lift cylinder leaks from disappointing the hole through the gas passage, and atmospheric pressure in the lift cylinder reduces, twists the waist piece and move down under the effect of gravity, and the wheel contacts with the base again. Therefore, by repeating the process, the waist is twisted in two directions, and the waist twisting effect is good. Mode in this scheme of adoption makes the mode of turning round waist piece antiport, need not to trample the running-board backward and makes first sprocket antiport and the drive turns round waist piece antiport, need not the rotation mode of reciprocal switching first sprocket, and the foot is trampled the antiport that can realize turning round the waist piece to the pedal orientation forward, and is more convenient during the body-building use, handy.
Preferably, as an improvement, a cavity is arranged inside the waist twisting block, the second chain wheel and the third chain wheel are located in the cavity of the waist twisting block, and the waist twisting block is provided with chain holes for the first chain to pass through and the second chain to pass through. Therefore, the second chain wheel and the third chain wheel are not exposed outside, and the appearance of the whole device is attractive.
Drawings
FIG. 1 is a front view of a physical exercise training apparatus.
Fig. 2 is a plan view of the back massage plate of fig. 1.
Fig. 3 is a longitudinal sectional view of the base of fig. 1.
Fig. 4 is a top view of the base of fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the massage chair comprises a base 1, an armrest frame 2, a control button 3, an air pump 4, a frame 5, a back massage plate 6, a waist twisting block 7, wheels 8, a wheel frame 9, a rotary disc 10, a lifting cylinder 11, a first chain wheel 12, a pedal plate 13, a chain wheel frame 14, a first chain 15, a second chain wheel 16, a third chain wheel 17, a second chain 18, a fourth chain wheel 19, massage balls 20, a bearing 21, a torsion spring 22 and an air leakage hole 23.
The embodiment is basically as shown in the attached figures 1-4: sports is trainer for body-building, including vertical handrail frame 2, turn round waist piece 7 and base 1, base 1 and handrail frame 2 place subaerial, and handrail frame 2 is located the left side of base 1, and the bottom of turning round waist piece 7 is rotated and is connected on base 1, and specific rotation mode is: the base 1 is rotatably connected with a turntable 10 through a bearing 21, two vertical lifting cylinders 11 are fixed on the turntable 10 through bolts, and the top ends of cylinder rods of the lifting cylinders 11 are fixedly connected with the bottom of the waist twisting block 7 through bolts; a plurality of wheel frames 9 are fixed on the bottom of the waist twisting block 7 through bolts, the circumferences of the wheel frames 9 are uniformly distributed on the bottom of the waist twisting block 7, wheels 8 are arranged on the wheel frames 9 through wheel shafts in a rotating mode, and the wheels 8 roll on the base 1.
The left side part of the waist twisting block 7 is welded with a chain wheel frame 14, the chain wheel frame 14 is connected with a first chain wheel 12 through a shaft in a rotating mode, the middle parts of two sides of the first chain wheel 12 are fixedly connected with two pedal rods which are arranged along the radial direction of the first chain wheel 12 through flat keys, and the end parts of the pedal rods are connected with pedal plates 13 through pin shafts in a rotating mode. The chain wheel and chain mechanism is connected between the wheels 8 and the first chain wheel 12, specifically, a cavity is arranged on the waist twisting block 7, the chain wheel and chain mechanism comprises a first chain 15, a second chain 18, a second chain wheel 16, a third chain wheel 17 and a fourth chain wheel 19, the second chain wheel 16 and the third chain wheel 17 are coaxially welded together, the second chain wheel 16 is rotatably connected to the waist twisting block 7 through a shaft, the fourth chain wheel 19 and one of the wheels 8 are coaxially and fixedly connected together through a flat key, chain holes are formed in the left side and the bottom of the waist twisting block 7, the first chain 15 penetrates through the chain hole in the left side of the waist twisting block 7 and is connected between the first chain wheel 12 and the second chain wheel 16, and the second chain 18 penetrates through the chain hole in the bottom of the waist twisting block 7 and is connected between the third chain wheel 17 and the fourth chain wheel 19.
The welding has the shelf 5 on the base 1, has curved back massage board 6 through bolt fixedly connected with on the shelf 5 top, and back massage board 6 is located the top of turning round waist piece 7, combines shown in fig. 2, and the both ends of back massage board 6 are crooked towards handrail frame 2 direction, are equipped with a plurality of ball chambeies on the left surface of back massage board 6, rotate in the ball chamber and have massage ball 20. Combine as shown in fig. 1, be equipped with air pump 4 on the base 1, be connected with the trachea (not shown in the figure) between the cylinder body of air pump 4 and lift cylinder 11, combine as shown in fig. 3, be equipped with torsional spring 22 between carousel 10 and the base 1, be equipped with two holes 23 that lose heart on the base 1, be equipped with two vertical air flues on the eccentric position of carousel, two air flues and two lift cylinder 11's cylinder body inside communicate respectively, the bottom of air flue and the hole 23 intermittent type nature intercommunication that loses heart. The armrest frame 2 is provided with a control button 3 for controlling the air pump 4, and the control button 3 is pressed to control the air pump 4 to be electrified and started, so that air is introduced into the cylinder body of the lifting cylinder 11.
The specific implementation process is as follows: initially, the bottom of the air passage and the air release hole 23 are in communication, and the wheel 8 is positioned on the base 1. When the waist twisting fitness device is used, a trainer sits on the waist twisting block 7 and holds the handrail frame 2 by hands, and people can be prevented from falling off the waist twisting block 7 during waist twisting fitness by holding the handrail frame 2 by hands, so that the safety of waist twisting fitness can be improved.
After sitting, the foot tramples pedal 13, pedal 13 drives first sprocket 12 through the pedal pole and rotates on sprocket carrier 14, first sprocket 12 drives second sprocket 16 through first chain 15 and rotates, second sprocket 16 drives third sprocket 17 and rotates, third sprocket 17 drives fourth sprocket 19 through second chain 18 and rotates, fourth sprocket 19 drives wheel 8 and rotates, when wheel 8 rotates, wheel 8 drives and twists round waist piece 7 and rotates on base 1, thereby realized the wrench movement to the waist. When the feet trample the pedals 13, the bicycle is simulated to be ridden, thereby realizing the training of the legs.
Meanwhile, when the waist twisting block 7 rotates, the waist twisting block 7 drives the rotary table 10 to rotate through the lifting cylinder 11, the rotary table 10 rotates to enable the torsion spring 22 to store force, and meanwhile, the air passage on the rotary table 10 is staggered with the air release hole 23 on the base 1 and is not communicated. After turning round waist piece 7 and rotating certain angle, the control button 3 on the handrail frame 2 is pressed manually to the training personnel, control button 3 makes air pump 4 start, air pump 4 lets in gas to the cylinder body of lift cylinder 11 inside through the trachea, because disappointing hole 23 and gas passage do not communicate, consequently can not reveal gas in a large number in the short time, the atmospheric pressure grow in the lift cylinder 11, cylinder rod rebound will turn round waist piece 7 and upwards rise, make wheel 8 and base 1 separation, even if wheel 8 receives sprocket chain mechanism's drive to take place to rotate like this, owing to also can not drive with base 1 separation and turn round waist piece 7 and continue to rotate. After the waist twisting block 7 rises upwards, the rotary disc 10 rotates reversely under the action of the elasticity of the torsion spring 22 to reset, and the rotary disc 10 drives the waist twisting block 7 to rotate reversely through the lifting cylinder 11, so that the waist is twisted to the other direction. After the waist twisting block 7 is reset to the initial position, the air release hole 23 is communicated with the air passage, air in the lifting cylinder 11 leaks out from the air release hole 23 through the air passage in a large amount, the air pressure in the lifting cylinder 11 is greatly reduced, the waist twisting block 7 moves downwards under the action of gravity, and the wheels 8 are contacted with the base 1 again.
In this embodiment, in the up-and-down lifting process and the reciprocating rotation process of the waist twisting block 7, the back of the trainer moves left and right and up-and-down on the back massage plate 6, and the massage balls 20 on the back massage plate 6 massage the back of the human body, so that the human body can be relaxed, and the exercise effect is better.
The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.