CN111359148A - Automatic treadmill of variable speed - Google Patents
Automatic treadmill of variable speed Download PDFInfo
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- CN111359148A CN111359148A CN202010379179.1A CN202010379179A CN111359148A CN 111359148 A CN111359148 A CN 111359148A CN 202010379179 A CN202010379179 A CN 202010379179A CN 111359148 A CN111359148 A CN 111359148A
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- space
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- counting
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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
- A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
- A63B22/0235—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills driven by a motor
- A63B22/0242—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills driven by a motor with speed variation
- A63B22/0257—Mechanical systems therefor
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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
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
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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
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B2071/0602—Non-electronic means therefor
Abstract
The invention discloses an automatic speed-changing treadmill, comprising a treadmill body, wherein a counting space is arranged in the treadmill body, a transmission space is arranged on the right side of the counting space, a buffer space is arranged on the lower side of the transmission space, a speed changing space is arranged in the middle of the buffer space, an accelerating space is arranged on the upper side of the speed changing space, the speed-reducing space is arranged at the lower side of the speed-changing space, the speed of the treadmill can be automatically adjusted according to the running speed of a runner through the middle speed-changing mechanism, the risk that the runner cannot keep up with the speed of the treadmill under the condition of insufficient physical strength at the later stage and the treadmill cannot be hurt by people in time of reducing speed is greatly reduced, simultaneously damping device all around, can be fine play a cushioning effect to sporter's both feet, impact when having significantly reduced run and improved the fatigue strength of both feet simultaneously to the foot injury, increased the athletic efficiency.
Description
Technical Field
The invention relates to the field of fitness equipment, in particular to an automatic speed changing treadmill.
Background
The rapid development of the modern times greatly improves the living standard of people, so that the physical quality of most people is slowly declined, the working pressure makes people need to exercise physical functions, the traffic flow in the city is high, people are more willing to select indoor exercise, running is an exercise mode for exercising the whole body, running is the preferred choice of people, some running machines in the market at present need manual speed adjustment of people, the speed of the running machine cannot be adjusted through the own exercise speed, and the running machine cannot be used for the speed of the running machine after some people exercise for a long time and cannot be used for the speed reduction, so that the sporter is easily injured.
Disclosure of Invention
The present invention is directed to a treadmill with automatic speed change to solve the problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic speed change treadmill comprises a treadmill body, wherein a counting space is arranged in the treadmill body, a transmission space is arranged on the right side of the counting space, a buffer space is arranged on the lower side of the transmission space, a speed change space is arranged in the middle of the buffer space, an acceleration space is arranged on the upper side of the speed change space, a deceleration space is arranged on the lower side of the speed change space, a speed change device for changing the speed of the treadmill is arranged between the buffer space, the speed change space, the acceleration space and the deceleration space, the speed change device comprises a speed change screw rod which is rotatably connected between the upper side wall and the lower side wall of the speed change space, the upper side of the speed change screw rod upwards extends through the upper side wall of the speed change space to enter the acceleration space and is rotatably connected with the lower side wall of the acceleration space, the lower side of the speed change screw rod downwards extends through the lower side wall of the, the variable-speed mechanism is characterized in that a variable-speed drive block is connected to the variable-speed lead screw in a threaded manner, variable-speed push blocks are respectively and fixedly arranged on the left side surface of the variable-speed drive block in an up-and-down symmetrical manner by taking the variable-speed drive block as the center, a variable-speed shaft is connected between the upper side wall and the lower side wall of the variable-speed space in a rotating manner, the upper side surface of the variable-speed shaft extends upwards to penetrate through the upper side wall of the variable-speed space into the accelerating space and is connected with the lower side wall of the accelerating space in a rotating manner, the lower side surface of the variable-speed shaft extends downwards to penetrate through the lower side wall of the variable-speed space into the decelerating space and is connected with the upper side wall of the decelerating space in a rotating manner, a variable-speed sleeve is connected to the variable-speed shaft, the power shaft is fixedly provided with a speed change cone body which is meshed with the speed change friction wheel, the upper side and the lower side of the speed change shaft are respectively and vertically symmetrically fixedly provided with a speed reduction bevel gear by taking the speed change space as a center, the left side wall of the acceleration space is rotationally connected with an upper penetrating shaft, the upper penetrating shaft extends leftwards to penetrate through the left side wall of the acceleration space to enter the buffer space and is rotationally connected with one side wall of the buffer space, the right side of the upper penetrating shaft is fixedly provided with an upper bevel gear which is meshed with the speed reduction bevel gear on the upper side, the left side of the upper penetrating shaft is fixedly provided with an upper driven wheel, the right side wall of the speed reduction space is rotationally connected with a lower penetrating shaft, the lower penetrating shaft extends rightwards to penetrate through the right side wall of the speed reduction space to enter the buffer space and is rotationally connected with one side wall of the buffer space, and the left side of the lower penetrating shaft is fixedly provided with a, the bevel gear meshes with the deceleration bevel gear of downside down, the right side of running through the axle has set firmly down from the driving wheel, the speed change lead screw upside has set firmly acceleration rotor, the acceleration rotor upside articulates there is the butt piece with higher speed, the downside of butt piece with higher speed with be connected with accelerating spring between the side of going up of rotor with higher speed, it has the friction circle with higher speed to rotate on the rotor with higher speed, the inside surface equidistance of friction circle with higher speed has set firmly a plurality of interior tooth teeth with higher speed, the preceding lateral wall sliding connection in space with higher speed has the acceleration rack, the acceleration rack with the meshing of friction circle with higher speed, the acceleration rack upwards extends to run through the preceding lateral wall in space with higher speed get into the side of organism and with the side sliding connection of going up of organism, the speed change lead screw downside has set firmly the, the downside of piece and the last side of speed reduction rotor is connected with speed reduction spring between, it is connected with the speed reduction friction circle to rotate on the speed reduction rotor, the medial surface equidistance of speed reduction friction circle has set firmly the interior tooth of a plurality of speed reductions, the preceding lateral wall sliding connection in speed reduction space has the speed reduction rack, the speed reduction rack with the meshing of speed reduction friction circle, the speed reduction rack upwards extends to run through the preceding lateral wall in speed reduction space gets into the side of going up of organism and with the side sliding connection that goes up of organism, the speed reduction rack with the upside of accelerating the rack respectively with speed change screw has set firmly the atress board for central longitudinal symmetry, every the trailing flank of atress board with the leading flank central symmetry of organism has set firmly atress even piece, every one side of atress even piece has set firmly the atress post respectively, every the trailing flank of atress even piece of front side respectively with correspond the leading flank of atress buffering piece of back side even A speed-changing spring is connected between the surfaces, a buffer device for buffering pressure is arranged in the buffer space, and a counting device for calculating running distance is arranged in the buffer space, the transmission space and the counting space.
Preferably, the buffering device comprises buffering lower arms which are symmetrically and fixedly installed on the left side wall and the right side wall of the buffering space by taking the center of the buffering space as a center of symmetry, the left side wall and the right side wall of the buffering space are symmetrically and slidably connected with buffering upper arms by taking the center of the buffering space as a center of symmetry, the front side and the rear side of each buffering upper arm and the front side and the rear side of the corresponding buffering lower arm are respectively and longitudinally and symmetrically hinged with buffering supporting arms by taking the buffering upper arms as a center, the lower side of each buffering upper arm is respectively and fixedly provided with a buffering supporting block, the lower side and the rear side of each buffering supporting block are respectively and fixedly provided with a buffering hinged shaft, each buffering hinged shaft is respectively and hinged with a buffering pushing body, each buffering hinged shaft is respectively and slidably connected with a buffering pushing body, each buffering inner cavity is arranged in each buffering pushing body, and a buffering stop block is respectively and, a buffer spring is connected between the lower side surface of each buffer stop block and the corresponding lower side wall of the buffer inner cavity, a buffer butt shaft is fixedly arranged on the lower side surface of each buffer lower arm respectively, a butt hinge block is fixedly arranged on the upper side surface of each buffer lower arm respectively, each butt hinge block is hinged with the buffer butt shaft, the buffer hinge block on each rear side is hinged with a buffer rear butt shaft respectively, a buffer sleeve block is fixedly arranged on each buffer rear butt shaft respectively, a lower butt hinge is hinged on each buffer support arm on each rear side respectively, a lower butt sleeve block is fixedly arranged on each lower butt hinge respectively, a support spring is connected between the front side surface of each lower butt sleeve block and the rear side surface of the corresponding buffer sleeve block respectively, and a roller shaft is rotationally connected between the two buffer upper arms on the upper side and the two buffer upper arms on the lower side respectively in an up-and-down symmetrical mode by taking the speed change space as the center, the track roller is fixedly arranged in the middle of each roller shaft and used for installing a running track, an upper belt pulley is fixedly arranged on the left side of the upper roller shaft, an upper power belt is connected between the upper belt pulley and the upper driven wheel, a counting driving wheel is fixedly arranged on the right side of the upper roller shaft, a counting belt is connected between the counting driving wheel and the transmission gear, a lower belt pulley is fixedly arranged on the right side of the lower roller shaft, and a lower driving belt is connected between the lower belt pulley and the lower driven wheel.
Preferably, the counting device comprises a counting fixed shaft fixedly connected between left and right side walls of the counting space, four counting bodies are rotatably connected to the counting fixed shaft, a plurality of toggle cylinders are fixedly arranged on the right side of each counting body, a rear toggle cylinder is fixedly arranged on the left side of each counting body, a counting transmission shaft is rotatably connected to the left side wall of the transmission space, the counting transmission shaft extends leftwards to penetrate through the left side wall of the transmission space to enter the counting space and is rotatably connected with the right side wall of the counting space, a transmission gear is fixedly arranged on the right side of the counting transmission shaft, a counting belt is connected between the transmission gear and the counting driving wheel, a counting transmission wheel is fixedly arranged on the left side of the counting transmission shaft, the counting transmission wheel is engaged with the corresponding toggle cylinder, and a counting follower shaft is fixedly connected to the left side wall of the counting space, the counting follow-up shaft is rotatably connected with three counting gears, and each counting gear is respectively meshed with the corresponding rear moving cylinder and the corresponding shifting cylinder.
Preferably, the supporting spring is made of high-strength spring steel, has high hardenability and good heat treatment process performance, and therefore, has high strength and can cope with high-frequency impact.
Preferably, the speed change spring is made of a spring steel material with high silicon content, and has the characteristics of high strength and good elasticity.
In conclusion, the beneficial effects of the invention are as follows: the invention can automatically adjust the speed of the treadmill according to the running speed of the runner through the middle speed change mechanism, thereby greatly reducing the risk that the runner cannot follow the speed of the treadmill under the condition of insufficient body strength at the later stage and the treadmill cannot hurt the human body in time of deceleration.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic front view of an automatic transmission treadmill according to the present invention;
FIG. 2 is a left side view taken at A of FIG. 1 in accordance with the present invention;
FIG. 3 is a partial cross-sectional view taken at B-B of FIG. 1 in accordance with the present invention;
fig. 4 is a partial cross-sectional view taken at C-C of fig. 1 in accordance with the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: an automatic treadmill of variable speed, includes organism 21, be equipped with count space 26 in the organism 21, the right side in count space 26 is equipped with transmission space 22, the downside in transmission space 22 is equipped with buffer space 38, be equipped with speed change space 48 in the middle of buffer space 38, the upside in speed change space 48 is equipped with acceleration space 81, the downside in speed change space 48 is equipped with speed reduction space 56, buffer space 38, speed change space 48, be equipped with the speed change gear who is used for the treadmill variable speed between acceleration space 81 and the speed reduction space 56, speed change gear is including rotating the connection speed change lead screw 55 between the upper and lower lateral wall in speed change space 48, speed change lead screw 55 upside upwards extends to run through the side wall on speed change space 48 gets into in acceleration space 81 and with the lower lateral wall rotation connection in acceleration space 81, speed change lead screw 55 downside downwardly extending runs through the lower lateral wall in speed change space 48 gets into speed reduction space 56 And with the last lateral wall of speed reduction space 56 rotates to be connected, threaded connection has the variable speed drive piece 54 on the variable speed lead screw 55, the left surface of variable speed drive piece 54 respectively with variable speed drive piece 54 has set firmly the variable speed ejector pad 53 as central longitudinal symmetry, it is connected with shift shaft 50 to rotate between the lateral wall about the variable speed space 48, shift shaft 50 upside upwards extends to run through the lateral wall gets into in the space 81 that accelerates speed in the space 48 and with the lower lateral wall rotation of space 81 that accelerates, shift shaft 50 downside downwards extends to run through the lower lateral wall of the space 48 that decelerates gets into the space 56 and with the last lateral wall rotation of space 56 that decelerates is connected, sliding connection has speed change sleeve 52 on shift shaft 50, speed change sleeve 52 upper and lower side respectively with corresponding a side butt of variable speed ejector pad 53, speed change friction wheel 51 has been set firmly on speed change sleeve 52, a power motor 47 is fixedly arranged on one side wall of the speed changing space 48, a power shaft 96 is dynamically connected to the power motor 47, a speed changing cone 49 is fixedly arranged on the power shaft 96, the speed changing cone 49 is engaged with the speed changing friction wheel 51, speed reducing bevel gears 57 are respectively and fixedly arranged on the upper side and the lower side of the speed changing shaft 50 in an up-and-down symmetrical manner by taking the speed changing space 48 as a center, an upper penetrating shaft 46 is rotatably connected to the left side wall of the accelerating space 81, the upper penetrating shaft 46 extends leftwards to penetrate through the left side wall of the accelerating space 81 to enter the buffering space 38 and is rotatably connected with one side wall of the buffering space 38, an upper bevel gear 61 is fixedly arranged on the right side of the upper penetrating shaft 46, the upper bevel gear 61 is engaged with the speed reducing bevel gear 57 on the upper side, an upper driven wheel 45 is fixedly arranged on the left side of the upper penetrating shaft 46, and a lower penetrating shaft 65 is rotatably, run through axle 65 and extend right down and run through the right side wall entering in deceleration space 56 buffer space 38 and with a lateral wall rotation of buffer space 38 is connected, the left side of running through axle 65 has set firmly lower bevel gear 58 down, lower bevel gear 58 and downside the reduction bevel gear 57 meshing, the right side of running through axle 65 has set firmly down from driving wheel 64 down, change speed screw 55 upside has set firmly acceleration rotor 82, acceleration rotor 82 upside articulates there is acceleration butt piece 83, be connected with accelerating spring 84 between the downside of acceleration butt piece 83 and the upside of acceleration rotor 82, it is connected with acceleration friction circle 67 to rotate on the acceleration rotor 82, acceleration friction circle 67 medial surface equidistance has set firmly a plurality of internal tooth 86 that accelerate, the preceding lateral wall sliding connection in acceleration space 81 has acceleration rack 68, acceleration rack 68 with acceleration friction circle 67 meshing, the rack 68 upwards extends and runs through the preceding lateral wall in space 81 with higher speed get into the side of going up of organism 21 and with the side sliding connection that goes up of organism 21, speed change lead screw 55 downside has set firmly speed reduction rotor 91, speed reduction rotor 91 upside articulates there is speed reduction butt piece 93, speed reduction butt piece 93 the downside with be connected with decelerating spring 94 between the side of going up of speed reduction rotor 91, the last rotation of speed reduction rotor 91 is connected with speed reduction friction circle 59, the medial surface equidistance of speed reduction friction circle 59 has set firmly the interior rodent 95 of a plurality of decelerations, the preceding lateral wall sliding connection in space 56 with speed reduction rack 60, speed reduction rack 60 with speed reduction friction circle 59 meshes, speed reduction rack 60 upwards extends and runs through the preceding lateral wall in space 56 gets into the side of organism 21 and with the side sliding connection that goes up of organism 21, stress plates 87 are respectively and fixedly arranged on the upper sides of the speed reducing rack 60 and the accelerating rack 68 in an up-down symmetrical mode by taking the variable speed screw 55 as a center, stress connecting blocks 88 are respectively and fixedly arranged on the rear side surface of each stress plate 87 and the front side surface of the machine body 21 in a central symmetrical mode, a stress buffering column 89 is respectively and fixedly arranged on one side surface of each stress connecting block 88, a variable speed spring 90 is connected between the rear side surface of each stress connecting block 88 on the front side and the front side surface of the corresponding stress connecting block 88 on the rear side, a buffering device for buffering pressure is arranged in the buffering space 38, and counting devices for calculating running distance are arranged in the buffering space 38, the transmission space 22 and the counting space 26.
In addition, in one embodiment, the buffering device includes buffering lower arms 41 which are symmetrically and fixedly installed on left and right side walls of the buffering space 38 by taking the center of the buffering space 38 as a center of symmetry, buffering upper arms 39 are symmetrically and slidably connected to the left and right side walls of the buffering space 38 by taking the center of the buffering space 38 as a center of symmetry, buffering support arms 42 are respectively and symmetrically hinged to front and rear sides of each buffering upper arm 39 and front and rear sides of the corresponding buffering lower arm 41 by taking the buffering upper arm 39 as a center, a buffering support block 43 is respectively and fixedly arranged on a lower side and a rear side of each buffering support block 43, a buffering hinge shaft 70 is respectively and fixedly connected to the buffering hinge blocks on each lower side, a buffering pushing body 44 is respectively and slidably connected to each buffering hinge shaft 70, a buffer inner cavity 73 is arranged in each buffer pushing-down body 44, a buffer stop 71 is fixedly arranged on the lower side of each buffer hinge shaft 70, a buffer spring 72 is connected between the lower side of each buffer stop 71 and the lower side wall of the corresponding buffer inner cavity 73, a buffer abutting shaft 74 is fixedly arranged on the lower side of each buffer pushing-down body 44, an abutting hinge block 75 is fixedly arranged on the upper side of each buffer lower arm 41, each abutting hinge block 75 is hinged to the buffer abutting shaft 74, the buffer hinge block on each rear side is hinged to a buffer abutting shaft 76, a buffer sleeve block 77 is fixedly arranged on each buffer abutting shaft 76, a lower abutting hinge 79 is hinged to each buffer support arm 42 on each rear side, a lower abutting sleeve block 80 is fixedly arranged on each lower abutting hinge 79, and a support spring 78 is connected between the front side of each lower abutting sleeve block 80 and the rear side of the corresponding buffer sleeve block 77, roller shafts 35 are respectively and rotationally connected between the two upper buffer arms 39 on the upper side and the two lower buffer arms 39 on the lower side in an up-and-down symmetrical manner by taking the speed changing space 48 as a center, a runway roller 34 is respectively and fixedly arranged in the middle of each roller shaft 35, the runway roller 34 is used for installing a running crawler, an upper belt pulley 37 is fixedly arranged on the left side of each roller shaft 35 on the upper side, an upper power belt 36 is connected between each upper belt pulley 37 and each upper driven wheel 45, a counting driving wheel 66 is fixedly arranged on the right side of each roller shaft 35 on the upper side, a counting belt 24 is connected between each counting driving wheel 66 and each transmission gear 23, a lower belt pulley 62 is fixedly arranged on the right side of each roller shaft 35 on the lower side, a lower driving belt 63 is connected between each lower belt pulley 62 and each lower driven wheel 64, and when a person steps on the foot of the runner, so as to make the two track rollers 34 move backward, thereby driving the two roller shafts 35 to move backward, thereby driving the upper buffer arm 39 to slide backward, thereby driving the two front and rear buffer support arms 42 to swing backward, thereby driving the buffer support arms 42 to move backward, thereby driving the rear buffer support shaft 76 and the buffer sleeve block 77 to move downward, thereby compressing the corresponding support spring 78, at this time, the buffer hinge block moves upward, thereby driving the buffer hinge shaft 70 and the buffer stop block 71 to move upward, thereby causing the buffer spring 72 to stretch, so that the impact is reduced when the foot of the person is lifted up, thereby causing the support spring 78 and the buffer spring 72 to reset, thereby causing the buffer support block 43 to move forward, thereby causing the upper arm buffer arm 39 and the two upper and lower buffer support arms 42 to move forward, thereby enabling the corresponding roller shaft 35 to move forward, and greatly reducing the pressure on the foot when the person runs.
In addition, in one embodiment, the counting device includes a counting fixing shaft 27 fixedly connected between the left and right side walls of the counting space 26, four counting bodies 32 are rotatably connected to the counting fixing shaft 27, a plurality of toggle cylinders 31 are fixedly arranged on the right side of each counting body 32, a rear toggle cylinder 33 is fixedly arranged on the left side of each counting body 32, a counting transmission shaft 25 is rotatably connected to the left side wall of the transmission space 22, the counting transmission shaft 25 extends leftwards to penetrate through the left side wall of the transmission space 22 to enter the counting space 26 and is rotatably connected with the right side wall of the counting space 26, a transmission gear 23 is fixedly arranged on the right side of the counting transmission shaft 25, a counting belt 24 is connected between the transmission gear 23 and the counting driving wheel 66, a counting transmission wheel 28 is fixedly arranged on the left side of the counting transmission shaft 25, and the counting transmission wheel 28 is engaged with the corresponding toggle cylinder 31, a counting follower shaft 29 is fixedly connected to the left side wall of the counting space 26, three counting gears 30 are rotatably connected to the counting follower shaft 29, each counting gear 30 is respectively engaged with the corresponding rear movable cylinder 33 and the corresponding toggle cylinder 31, when the counting driving wheel 66 starts to rotate, the transmission gear 23 is driven to rotate, so that the counting transmission shaft 25 is driven to rotate, so that the counting transmission wheel 28 is driven to rotate, so that the toggle cylinder 31 on the upper side of the counting transmission wheel 28 is driven to rotate around the counting fixed shaft 27, so that the counting body 32 on the upper side of the counting transmission wheel 28 is driven to rotate, the counting body 32 on the upper side of the counting transmission wheel 28 rotates for one circle, so that the rear movable cylinder 33 on the upper side of the counting transmission wheel 28 drives the right counting gear 30 to rotate, so that the counting body 32 on the upper side of the right counting gear 30 is driven to rotate, when the counter 32 on the upper side of the right counter gear 30 rotates for one circle, the corresponding rear cylinder 33 drives the middle counter gear 30 to rotate, so as to drive the counter 32 on the upper side of the middle counter gear 30 to rotate, and when the counter 32 on the upper side of the middle counter gear 30 rotates for one circle, the left counter gear 30 is driven to rotate, so as to drive the counter 32 on the upper side of the left counter gear 30 to rotate, so that the number on the upper side of each counter 32 changes along with the running distance of the runner.
In addition, in one embodiment, the support spring 78 is made of high strength spring steel, which has high hardenability, good heat treatment process, and high strength, and can cope with high frequency impact.
In addition, in one embodiment, the speed-changing spring 90 is made of a spring steel material with a high silicon content, and has the characteristics of high strength and good elasticity.
In the initial state, each post-moving cylinder 33 is located at the upper side of the counter 32, the speed-changing friction wheel 51 is located at the small outer diameter of the speed-changing cone 49, and each cushion pocket 77 is in the original length state.
When a person starts running, the power motor 47 is turned on to drive the power shaft 96 to rotate, thereby driving the speed change cone 49 to rotate, thereby driving the speed change friction wheel 51 to rotate, thereby driving the speed change shaft 50 to rotate, thereby driving the upper and lower speed reduction bevel gears 57 to rotate, thereby driving the lower bevel gear 58 and the upper bevel gear 61 to rotate, thereby driving the upper penetrating shaft 46 and the lower penetrating shaft 65 to rotate, thereby driving the upper driven wheel 45 and the lower driven wheel 64 to rotate, thereby driving the lower belt pulley 62 and the upper belt pulley 37 to rotate, thereby driving the upper and lower roller shafts 35 to rotate, thereby driving the upper and lower track rollers 34 to rotate, thereby driving the belt track to rotate, thereby driving the count drive wheel 66 to rotate, thereby driving the transmission gear 23 to rotate, thereby driving the count transmission shaft 25 to rotate, thereby driving the count transmission wheel 28 to rotate, thereby driving the toggle cylinder 31 on the upper side of the count transmission wheel 28 to rotate around the count, thereby driving the counting body 32 at the upper side of the counting transmission wheel 28 to rotate, when the counting body 32 at the upper side of the counting transmission wheel 28 rotates for a circle, the corresponding rear moving cylinder 33 drives the counting gear 30 at the right side to rotate, thereby driving the counting body 32 at the upper side of the counting gear 30 at the right side to rotate, when the counting body 32 at the upper side of the counting gear 30 at the right side rotates for a circle, the corresponding rear moving cylinder 33 drives the counting gear 30 at the middle to rotate, thereby driving the counting body 32 at the upper side of the middle counting gear 30 to rotate, when the counting body 32 at the upper side of the middle counting gear 30 rotates for a circle, the counting body 30 at the left side is driven to rotate, thereby driving the counting body 32 at the upper side of the counting gear 30 at the left side to rotate, thereby causing the number at the upper side of each counting body 32 to change along with the running distance of the runner, the runway is at the lowest speed, when the speed of the runner runs upwards, the front side of the upper stressed plate, thereby making two upside atress link 88 and the atress cushion column 89 of upside move down, thereby compress the speed change spring 90 of two upsides, thereby make with higher speed rack 68 move backward, thereby drive with higher speed friction ring 67 clockwise rotation, thereby make with higher speed the convex surface of interior rodent 86 drive with higher speed butt joint piece 83 rotation, thereby drive with higher speed rotor 82 clockwise rotation, thereby drive speed change lead screw 55 clockwise rotation, thereby make drive speed change drive block 54 move up, thereby drive speed change ejector pad 53 move up, thereby drive speed change sleeve 52 and speed change friction pulley 51 move up, thereby make speed change friction pulley 51 mesh with the great external diameter department of variable speed cone 49, thereby improve speed change friction pulley 51 rotational speed, thereby improve speed change shaft 50 rotational speed, thereby improve two runway cylinder 34 rotational speed, thereby improve runway speed, meanwhile, when a person lifts the foot, the two speed change springs 90 on the upper side reset to push the stress plate 87 on the upper side to move forward, so as to push the accelerating rack 68 to move forward, so as to drive the accelerating friction ring 67 to rotate counterclockwise, at the moment, the accelerating inner tooth 86 slides across the upper side surface of the accelerating abutting piece 83 and cannot drive the accelerating rotor 82 to rotate, when the running speed of the person cannot follow the speed of the runway, the person can move downward relative to the runway, so as to step on the stress plate 87 on the lower side, so as to drive the decelerating rack 60 to move backward, so as to drive the decelerating friction ring 59 to rotate counterclockwise, so as to drive the convex surface of the decelerating inner tooth 95 to rotate counterclockwise, so as to push the decelerating abutting piece 93 to rotate counterclockwise, so as to drive the decelerating rotor 91 to rotate counterclockwise, so as to drive the speed change screw 55 to rotate counterclockwise, so as to drive the speed change driving block 54, thereby driving the shifting sleeve 52 and the shifting pulley 51 to move down so that the shifting pulley 51 engages with the smaller outer diameter of the shifting cone 49 to reduce the rotational speed of the shifting pulley 51, thereby reducing the rotational speed of the shift shaft 50, thereby reducing the rotational speed of the two runway rollers 34, thereby reducing the runway speed.
The invention has the beneficial effects that: the invention can automatically adjust the speed of the treadmill according to the running speed of the runner through the middle speed change mechanism, thereby greatly reducing the risk that the runner cannot follow the speed of the treadmill under the condition of insufficient body strength at the later stage and the treadmill cannot hurt the human body in time of deceleration.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (5)
1. An automatic treadmill of variable speed, includes the organism, its characterized in that: the treadmill is characterized in that a counting space is arranged in the treadmill body, a transmission space is arranged on the right side of the counting space, a buffer space is arranged on the lower side of the transmission space, a speed change space is arranged in the middle of the buffer space, an acceleration space is arranged on the upper side of the speed change space, a deceleration space is arranged on the lower side of the speed change space, a speed change device for changing the speed of the treadmill is arranged among the buffer space, the speed change space, the acceleration space and the deceleration space, the speed change device comprises a speed change screw rod which is rotatably connected between the upper side wall and the lower side wall of the speed change space, the upper side of the speed change screw rod upwards extends through the upper side wall of the speed change space to enter the acceleration space and is rotatably connected with the lower side wall of the acceleration space, the lower side of the speed change screw rod downwards extends through, the variable-speed mechanism is characterized in that a variable-speed drive block is connected to the variable-speed lead screw in a threaded manner, variable-speed push blocks are respectively and fixedly arranged on the left side surface of the variable-speed drive block in an up-and-down symmetrical manner by taking the variable-speed drive block as the center, a variable-speed shaft is connected between the upper side wall and the lower side wall of the variable-speed space in a rotating manner, the upper side surface of the variable-speed shaft extends upwards to penetrate through the upper side wall of the variable-speed space into the accelerating space and is connected with the lower side wall of the accelerating space in a rotating manner, the lower side surface of the variable-speed shaft extends downwards to penetrate through the lower side wall of the variable-speed space into the decelerating space and is connected with the upper side wall of the decelerating space in a rotating manner, a variable-speed sleeve is connected to the variable-speed shaft, the power shaft is fixedly provided with a speed change cone body which is meshed with the speed change friction wheel, the upper side and the lower side of the speed change shaft are respectively and vertically symmetrically fixedly provided with a speed reduction bevel gear by taking the speed change space as a center, the left side wall of the acceleration space is rotationally connected with an upper penetrating shaft, the upper penetrating shaft extends leftwards to penetrate through the left side wall of the acceleration space to enter the buffer space and is rotationally connected with one side wall of the buffer space, the right side of the upper penetrating shaft is fixedly provided with an upper bevel gear which is meshed with the speed reduction bevel gear on the upper side, the left side of the upper penetrating shaft is fixedly provided with an upper driven wheel, the right side wall of the speed reduction space is rotationally connected with a lower penetrating shaft, the lower penetrating shaft extends rightwards to penetrate through the right side wall of the speed reduction space to enter the buffer space and is rotationally connected with one side wall of the buffer space, and the left side of the lower penetrating shaft is fixedly provided with a, the bevel gear meshes with the deceleration bevel gear of downside down, the right side of running through the axle has set firmly down from the driving wheel, the speed change lead screw upside has set firmly acceleration rotor, the acceleration rotor upside articulates there is the butt piece with higher speed, the downside of butt piece with higher speed with be connected with accelerating spring between the side of going up of rotor with higher speed, it has the friction circle with higher speed to rotate on the rotor with higher speed, the inside surface equidistance of friction circle with higher speed has set firmly a plurality of interior tooth teeth with higher speed, the preceding lateral wall sliding connection in space with higher speed has the acceleration rack, the acceleration rack with the meshing of friction circle with higher speed, the acceleration rack upwards extends to run through the preceding lateral wall in space with higher speed get into the side of organism and with the side sliding connection of going up of organism, the speed change lead screw downside has set firmly the, the downside of piece and the last side of speed reduction rotor is connected with speed reduction spring between, it is connected with the speed reduction friction circle to rotate on the speed reduction rotor, the medial surface equidistance of speed reduction friction circle has set firmly the interior tooth of a plurality of speed reductions, the preceding lateral wall sliding connection in speed reduction space has the speed reduction rack, the speed reduction rack with the meshing of speed reduction friction circle, the speed reduction rack upwards extends to run through the preceding lateral wall in speed reduction space gets into the side of going up of organism and with the side sliding connection that goes up of organism, the speed reduction rack with the upside of accelerating the rack respectively with speed change screw has set firmly the atress board for central longitudinal symmetry, every the trailing flank of atress board with the leading flank central symmetry of organism has set firmly atress even piece, every one side of atress even piece has set firmly the atress post respectively, every the trailing flank of atress even piece of front side respectively with correspond the leading flank of atress buffering piece of back side even A speed-changing spring is connected between the surfaces, a buffer device for buffering pressure is arranged in the buffer space, and a counting device for calculating running distance is arranged in the buffer space, the transmission space and the counting space.
2. An automatically variable speed treadmill as recited in claim 1, wherein: the buffer device comprises buffer lower arms which are fixedly arranged on the left side wall and the right side wall of the buffer space by taking the center of the buffer space as the center of symmetry, the left side wall and the right side wall of the buffer space are symmetrically and slidably connected with buffer upper arms by taking the center of the buffer space as the center of symmetry, the front side and the rear side of each buffer upper arm and the front side and the rear side of the corresponding buffer lower arm are respectively and symmetrically hinged with buffer supporting arms by taking the buffer upper arms as the center, the lower side of each buffer upper arm is respectively and fixedly provided with a buffer supporting block, the lower side and the rear side of each buffer supporting block are respectively and fixedly provided with a buffer hinged block, the buffer hinged block on each lower side is respectively and hinged with a buffer hinged shaft, each buffer hinged shaft is respectively and slidably connected with a buffer pushing body, each buffer inner cavity is arranged in the buffer pushing body, and the lower side of each buffer, a buffer spring is connected between the lower side surface of each buffer stop block and the corresponding lower side wall of the buffer inner cavity, a buffer butt shaft is fixedly arranged on the lower side surface of each buffer lower arm respectively, a butt hinge block is fixedly arranged on the upper side surface of each buffer lower arm respectively, each butt hinge block is hinged with the buffer butt shaft, the buffer hinge block on each rear side is hinged with a buffer rear butt shaft respectively, a buffer sleeve block is fixedly arranged on each buffer rear butt shaft respectively, a lower butt hinge is hinged on each buffer support arm on each rear side respectively, a lower butt sleeve block is fixedly arranged on each lower butt hinge respectively, a support spring is connected between the front side surface of each lower butt sleeve block and the rear side surface of the corresponding buffer sleeve block respectively, and a roller shaft is rotationally connected between the two buffer upper arms on the upper side and the two buffer upper arms on the lower side respectively in an up-and-down symmetrical mode by taking the speed change space as the center, the track roller is fixedly arranged in the middle of each roller shaft and used for installing a running track, an upper belt pulley is fixedly arranged on the left side of the upper roller shaft, an upper power belt is connected between the upper belt pulley and the upper driven wheel, a counting driving wheel is fixedly arranged on the right side of the upper roller shaft, a counting belt is connected between the counting driving wheel and the transmission gear, a lower belt pulley is fixedly arranged on the right side of the lower roller shaft, and a lower driving belt is connected between the lower belt pulley and the lower driven wheel.
3. An automatically variable speed treadmill as recited in claim 1, wherein: the counting device comprises a counting fixed shaft fixedly connected between the left side wall and the right side wall of the counting space, four counting bodies are rotatably connected on the counting fixed shaft, a plurality of shifting cylinders are fixedly arranged on the right side of each counting body, a rear shifting cylinder is fixedly arranged on the left side of each counting body, a counting transmission shaft is rotatably connected on the left side wall of the transmission space, the counting transmission shaft extends leftwards to penetrate through the left side wall of the transmission space to enter the counting space and is rotatably connected with the right side wall of the counting space, a transmission gear is fixedly arranged on the right side of the counting transmission shaft, a counting belt is connected between the transmission gear and the counting driving wheel, a counting transmission wheel is fixedly arranged on the left side of the counting transmission shaft and is meshed with the corresponding shifting cylinders, and a counting follow-up shaft is fixedly connected on the left side wall of the counting space, the counting follow-up shaft is rotatably connected with three counting gears, and each counting gear is respectively meshed with the corresponding rear moving cylinder and the corresponding shifting cylinder.
4. An automatically variable speed treadmill as recited in claim 2, wherein: the supporting spring is made of high-strength spring steel, has high hardenability and good heat treatment process performance, and therefore, the supporting spring has high strength and can respond to high-frequency impact.
5. An automatically variable speed treadmill as recited in claim 1, wherein: the speed-changing spring is made of a spring steel material with high silicon content and has the characteristics of high strength and good elasticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010379179.1A CN111359148A (en) | 2020-05-07 | 2020-05-07 | Automatic treadmill of variable speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010379179.1A CN111359148A (en) | 2020-05-07 | 2020-05-07 | Automatic treadmill of variable speed |
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| Publication Number | Publication Date |
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| CN111359148A true CN111359148A (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010379179.1A Withdrawn CN111359148A (en) | 2020-05-07 | 2020-05-07 | Automatic treadmill of variable speed |
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| CN (1) | CN111359148A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4928956A (en) * | 1987-11-16 | 1990-05-29 | Chen Chao Yang | Speed-adjusting mechanism of a tread mill |
| CN2272310Y (en) * | 1996-09-30 | 1998-01-14 | 秀府塑胶股份有限公司 | Speed changer for running exerciser |
| CN204364772U (en) * | 2015-01-23 | 2015-06-03 | 浙江正星健身器有限公司 | A kind of governor motion of treadmill |
| CN104806710A (en) * | 2014-01-28 | 2015-07-29 | 任孝忠 | Conical splayed rack infinite speed change device |
| CN208481934U (en) * | 2018-05-21 | 2019-02-12 | 深圳市若腾科技有限公司 | A kind of treadmill of region control |
| CN109432692A (en) * | 2018-11-06 | 2019-03-08 | 沙洲职业工学院 | A kind of general countable ballast box of fitness equipment |
| CN110368663A (en) * | 2019-07-30 | 2019-10-25 | 贵州工程应用技术学院 | A kind of mechanical skidding |
| CN110486416A (en) * | 2019-09-10 | 2019-11-22 | 苏州莱锦机电自动化有限公司 | A kind of efficient damping device of mechanical equipment |
-
2020
- 2020-05-07 CN CN202010379179.1A patent/CN111359148A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4928956A (en) * | 1987-11-16 | 1990-05-29 | Chen Chao Yang | Speed-adjusting mechanism of a tread mill |
| CN2272310Y (en) * | 1996-09-30 | 1998-01-14 | 秀府塑胶股份有限公司 | Speed changer for running exerciser |
| CN104806710A (en) * | 2014-01-28 | 2015-07-29 | 任孝忠 | Conical splayed rack infinite speed change device |
| CN204364772U (en) * | 2015-01-23 | 2015-06-03 | 浙江正星健身器有限公司 | A kind of governor motion of treadmill |
| CN208481934U (en) * | 2018-05-21 | 2019-02-12 | 深圳市若腾科技有限公司 | A kind of treadmill of region control |
| CN109432692A (en) * | 2018-11-06 | 2019-03-08 | 沙洲职业工学院 | A kind of general countable ballast box of fitness equipment |
| CN110368663A (en) * | 2019-07-30 | 2019-10-25 | 贵州工程应用技术学院 | A kind of mechanical skidding |
| CN110486416A (en) * | 2019-09-10 | 2019-11-22 | 苏州莱锦机电自动化有限公司 | A kind of efficient damping device of mechanical equipment |
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Application publication date: 20200703 |