CN111888711A

CN111888711A - But back-pedalling machine of automatically regulated weight

Info

Publication number: CN111888711A
Application number: CN202010867268.0A
Authority: CN
Inventors: 李璐璐
Original assignee: Qingdao Ouke Toys Co ltd
Current assignee: Qingdao Ouke Toys Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2020-11-06

Abstract

The invention discloses a back pedal machine capable of automatically adjusting weight, which comprises a shell and is characterized in that: the device is characterized in that a first transmission cavity is formed in the lower end of the shell, driven cavities are formed in the front end and the rear end of the shell, two main shells are arranged in the middle of the shell, a second transmission cavity is formed in each main shell, a shaft cavity is formed in the upper portion of each second transmission cavity, a transmission mechanism for providing power for the device is arranged in each first transmission cavity, the device is simple in structure and convenient to operate, the device is mainly driven by three generator driving shafts during normal work, the shafts drive crank slider mechanisms on the gears to enable the push plates to move back and forth to push the weights, the weights are pushed to the back-pedal machine rods by the aid of the thrust action, the back-pushing effect of the weights is achieved by similar mechanisms, and therefore the self-increment and self-reduction of the weights are achieved according to personal demands, the process that a body builder continuously adds the weights is reduced, and the body building efficiency is improved.

Description

But back-pedalling machine of automatically regulated weight

Technical Field

The invention relates to the field of fitness equipment, in particular to a back pedaling machine capable of automatically adjusting weight.

Background

In life, friends who like fitness like to go to a gymnasium to do exercise, the gymnasium is provided with an appliance called a back-pedaling machine, and the legs are driven to pedal pedals on the appliance upwards by virtue of thighs through lying on a backrest in an inclined manner, so that the legs can move back and forth in an inclined manner upwards, and therefore the purpose of exercising the muscles of the legs is achieved.

However, the weight of the existing kickback machine needs to be increased or decreased by manual assistance when the weight is increased, so that the people can not conveniently add the weight when lying on the backrest and standing up.

Disclosure of Invention

The invention aims to provide a back-pedal machine capable of automatically adjusting weight, which overcomes the problem that the weight cannot be automatically increased or decreased and is additionally provided with a device capable of increasing or decreasing the weight without manual operation.

The invention is realized by the following technical scheme.

The invention relates to a back pedaling machine capable of automatically adjusting weight, which comprises a shell, wherein a first transmission cavity is arranged at the lower end in the shell, driven cavities are respectively arranged at the front end and the rear end of the shell, two main shells are arranged in the middle of the shell, a second transmission cavity is arranged in each main shell, a shaft cavity is arranged above each second transmission cavity, a transmission mechanism for providing power for a device is arranged in each first transmission cavity, a driven mechanism is arranged in each driven cavity, a pushing mechanism for applying pressure to weights is also arranged in each driven cavity, a reset mechanism is arranged in each second transmission cavity, each pushing mechanism comprises a rotating wheel sleeved on each main shaft and each driven shaft, a first connecting rod is hinged to the right end face of each rotating wheel, a push plate is hinged to the rightmost end of each first connecting rod, a fixed rod for placing the weights is arranged on the end face of the shell close to the main shells, and the fixed, a supporting table is arranged between the two main shells, a support capable of sliding left and right is arranged on the supporting table, a moving rod is supported on the support, the fixed rod and the moving rod are positioned on a horizontal line, mutually separable connecting points are fixed at the front end and the rear end of the moving rod and at one end of the fixed rod close to the moving rod, a groove is arranged at the outermost side of the fixed rod, a sliding bin with an opening facing the moving rod is arranged in the shell at the lower side of the push plate, a sliding block is arranged in the sliding bin, the lower end of the push plate extends into the sliding slot and is fixedly connected with the sliding block, the pushing mechanism further comprises a rotating gear meshed with teeth on an auxiliary driven shaft, a rotating shaft fixed with the rotating gear is rotatably connected to the left inner wall of the driven cavity, a second connecting rod capable of rotating around the rotating gear is hinged to the right end face of the rotating gear, and a fixing table is fixedly, the improved rotary table is characterized in that a sliding cavity with a certain opening is formed in the fixed table, a sliding plate capable of sliding in the sliding cavity is hinged to the rightmost end of the connecting rod, a rotary groove with a front inner wall and a rear inner wall communicated with the outside and an upward opening is formed in the upper end of the sliding plate, a rotary shaft is rotatably connected between the left inner wall and the right inner wall of the rotary groove, a rotary plate with the upper end located on the outside is fixed on the rotary shaft, and a torsion spring is arranged between the.

Furthermore, the reset mechanism comprises a first motor, a first transmission shaft is connected to the upper end of the first motor in a power mode, the upper end of the first transmission shaft penetrates through the second transmission cavity and is located in the shaft cavity, a transmission gear is fixed to the upper end of the first transmission shaft, a connecting gear meshed with the transmission gear is connected to the left side of the transmission gear, a connecting shaft is fixed to the center of the connecting gear, the upper end of the connecting shaft is rotatably connected with the upper inner wall and the lower inner wall of the shaft cavity, a cam is fixed to the upper end of the connecting shaft, a push block is arranged on one side, close to the outer shell, of the main shell, two reset springs are arranged on the push block, the two reset springs are arranged on the main shell and are fixedly connected to the main shell on the umbrella in an up-down equal distance mode, a rod cavity is located in the upper end of the outer shell and faces the motion rod, the utility model discloses a spring chamber, including release link, spring chamber, connecting rod, motion rod, spring chamber inner wall, reset link lower extreme, the release link lower extreme is fixed with the lower extreme and is located the connecting rod of spring intracavity, the connecting rod with through reset spring fixed connection between the spring chamber inner wall, the release link is close to the one end of motion rod has a spring barb, be equipped with the decurrent spring groove of opening in the spring barb, spring inslot sliding connection has the lower extreme to be located outside dog, the dog upper end have the upper end with spring groove upper wall fixed connection's.

Furthermore, the transmission mechanism comprises a second motor fixed on the lower cavity wall of the third transmission cavity, the front end and the rear end of the second motor are both in power connection with a second transmission shaft, a first bevel gear is arranged on the second transmission shaft, and a second bevel gear is meshed with the upper end of the first bevel gear.

Further, the driven mechanism comprises a supporting column located on the left side of the shell, a supporting cavity with a downward opening is formed in the supporting column, the inner wall of the supporting cavity is rotatably connected with the supporting column, a second bevel gear is fixed to the lower end of the supporting column, a third bevel gear is fixed to the middle section of the supporting column and meshed with a fourth bevel gear, the left end of the auxiliary driven shaft extends into the supporting cavity and is fixedly connected with the fourth bevel gear, a fifth bevel gear is arranged on the upper section of the supporting column and meshed with a sixth bevel gear, and the left end of the main driven shaft extends into the supporting cavity and is fixedly connected with the sixth bevel gear.

Furthermore, a deck chair which is used for people to lie down and is provided with buttons for controlling the two motors is fixed at the right end of the support platform.

The invention has the beneficial effects that: the device simple structure, the simple operation, the device is mainly by three generator drive shaft at normal during operation, the slider-crank mechanism on the axle drive gear makes the push pedal carry out the back-and-forth movement and carries out the promotion to the weight again, the weight receives the thrust effect to be pushed away by the auxiliary rod on the back-pedal quick-witted pole, realized the effect of pushing back to the weight by similar mechanism in addition, thereby come to carry out the increase and autoreduction to weight according to individual demand, thereby reduce the body-building person and constantly play the process of adding the weight, the efficiency of body-building has been improved.

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 embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure D-D in FIG. 1 according to an embodiment of the present invention

FIG. 3 is an enlarged schematic view of the embodiment of the present invention at C in FIG. 2;

FIG. 4 is a schematic diagram of the structure A-A of FIG. 2 according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram at B-B in FIG. 2 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The back pedal machine capable of automatically adjusting weight described with reference to fig. 1-5 comprises a housing 22, wherein a first transmission cavity 25 is provided at the inner lower end of the housing 22, driven cavities 24 are provided in the front and rear ends of the housing 22, two main housings 18 are provided in the middle of the housing 22, a second transmission cavity 29 is provided in each main housing 18, a shaft cavity 63 is provided above each second transmission cavity 29, a transmission mechanism 66 for providing power for the device is provided in each first transmission cavity 25, a driven mechanism 67 is provided in each driven cavity 24, a pushing mechanism 69 for applying pressure to weights is further provided in each driven cavity 24, a reset mechanism 65 is provided in each second transmission cavity 29, each pushing mechanism 69 comprises a rotating wheel 47 sleeved on each main and driven shaft 16, a first connecting rod 45 is hinged to the right end face of each rotating wheel 47, a push plate 39 is hinged to the first connecting rod 45, a fixing rod 80 for placing weights is provided at the right end face of the housing 22 close to the main housings 18, the fixed rod 80 and the push plate 39 are positioned on a horizontal line, a support table 10 is arranged between the two main shells 18, a support 57 capable of sliding left and right is arranged on the support table 10, a moving rod 33 is supported on the support 57, the fixed rod 80 and the moving rod 33 are positioned on the horizontal line, a connection point 37 capable of being separated from each other is fixed at the front end and the rear end of the moving rod 33 and one end of the fixed rod 80 close to the moving rod 33, a groove 76 is arranged at the outermost side of the fixed rod 80, a sliding cabin 61 with an opening facing the moving rod 33 is arranged in the shell 22 at the lower side of the push plate 39, a sliding block 48 is arranged in the sliding cabin 61, the lower end of the push plate 39 extends into the sliding cabin 61 and is fixedly connected with the sliding block 48, the pushing mechanism 69 further comprises a rotating gear 53 engaged with teeth on the secondary driven shaft 13, and a rotating shaft 19 fixed with the rotating gear 53 is rotatably connected on the, the right end face of the rotating gear 53 is hinged with a second connecting rod 51 capable of rotating around the rotating gear, the end face of the askew song 22 close to the moving rod 33 is fixedly connected with a fixed table 52, a sliding cavity 50 with an upward opening is arranged in the fixed table 52, the rightmost end of the connecting rod 51 is hinged with a sliding plate 76 capable of sliding in the sliding cavity 50, the upper end of the sliding plate 76 is provided with a rotating groove 46 with a front inner wall and a rear inner wall communicated with the outside and an upward opening, a rotating shaft 68 is rotatably connected between the left inner wall and the right inner wall of the rotating groove 46, a rotating plate 62 with the upper end positioned at the outside is fixed on the rotating shaft 68, and a torsion spring.

Advantageously, the reset mechanism 65 includes a first motor 28, a first transmission shaft 30 is power connected to the upper end of the first motor 28, the upper end of the first transmission shaft 30 penetrates through the second transmission chamber 29 and is located in the shaft chamber 63, a transmission gear 32 is fixed to the upper end of the first transmission shaft 30, the left side of the transmission gear 32 is connected to a connecting gear 31 engaged with the transmission gear 32, a connecting shaft 35 is fixed to the center of the connecting gear 31, the upper and lower ends of the connecting shaft are rotatably connected to the upper and lower inner walls of the shaft chamber 63, a cam 34 is fixed to the upper end of the connecting shaft 35, a push block 36 is arranged on one side of the main housing 18 close to the housing 22, two reset springs 54 are mounted on the push block 36, the two reset springs are equidistant from top to bottom and fixedly connected to the main housing 18 on the umbrella, the reset mechanism 65 further includes a rod chamber 43 located in the upper end, the utility model discloses a spring assembly, including pole chamber 43, connecting rod 41, spring chamber 44, reset rod 40, reset rod 42, spring barb 75, be equipped with opening decurrent spring groove 59 in spring barb 75, sliding connection has the lower extreme to be located outside dog 60 in spring groove 59, dog 60 upper end have the upper end with inner wall fixed connection's expanding spring 58 on the spring groove 59.

Advantageously, the transmission mechanism 66 includes a second motor 77 fixed on the lower cavity wall of the third transmission cavity 73, a second transmission shaft 27 is dynamically connected to both the front and rear ends of the second motor 77, a first bevel gear 26 is disposed on the second transmission shaft 27, and a second bevel gear 70 is engaged with the upper end of the first bevel gear 26.

Advantageously, the driven mechanism 67 comprises a supporting column 78 located at the left side of the housing 22, a supporting cavity 21 with a downward opening is arranged in the supporting column 78, an upper inner wall of the supporting cavity 23 is rotatably connected with the supporting column 23, the second bevel gear 70 is fixed at the lower end of the supporting column 23, a third bevel gear 12 is fixed at the middle section of the supporting column 23, the third bevel gear 12 is meshed with a fourth bevel gear 71, the left end of the secondary driven shaft 13 extends into the supporting cavity 21 and is fixedly connected with the fourth bevel gear 71, a fifth bevel gear 14 is arranged at the upper section of the supporting column 23, the fifth bevel gear 14 is meshed with a sixth bevel gear 72, and the left end of the primary driven shaft 16 extends into the supporting cavity and is fixedly connected with the sixth bevel gear 72.

Advantageously, a reclining chair 20, on which a person can lie and provided with buttons for controlling the two motors, is fixed to the right end of the support table 10.

Sequence of mechanical actions of the whole device: 1: when weights need to be added, a button is pressed to start the second motor 77, the second motor 77 drives the second transmission shaft 27 to rotate, so that the first bevel gear 26 is driven to rotate, the first bevel gear 26 drives the second bevel gear 70 to rotate, so that the support column 23 is driven to rotate, so that the fifth bevel gear 14 is driven to rotate, the fifth bevel gear 14 drives the sixth bevel gear 72 to rotate, so that the main driven shaft 16 is driven to rotate, the support column 23 simultaneously drives the third bevel gear 12 to rotate, and the third bevel gear 12 rotates to drive the fourth bevel gear 71 to rotate, so that the auxiliary driven shaft 13 is driven to rotate; 2: the main driven shaft 16 drives the rotating wheel 47 to rotate, so as to drive the first connecting rod 45 to rotate, so as to drive the push plate 39 to move left and right, and the push plate 39 pushes the weight to the inclined position of the fixed rod 80; 3: meanwhile, the driven shaft 13 rotates to drive the rotating gear 53 to rotate, so as to drive the second connecting rod 51 to rotate, so as to drive the sliding plate 76 to move leftwards, and when the rotating plate 62 touches the weight, the sliding plate 76 is folded rightwards due to the action of the torsion spring 49, so as to prevent the weight from being clamped by the stop plate 62; 4: when the push plate 39 is pulled back by the force of the first link 45, the second link 51 pushes the slide plate 76 forward, pushing the weight from the inclined position of the fixed rod 80 onto the movable rod 33. And when the whole weight pushed away towards the slope department one side of dead lever 80, because the effect of spring barb 75, only rightmost weight can fall into the slope of dead lever 80, and all the other weights can be because the effort of spring barb 75 is pulled back to the normal position to play the effect that resets. (ii) a 5: when the weight needs to be subtracted, the button is pressed to start the first motor 28, the first transmission shaft 30 is made to rotate, the transmission gear 32 is driven to rotate, the driven connecting gear 31 is driven to rotate, the connecting shaft 35 is driven to rotate, the cam 34 pushes the push block 36, the weight on the moving rod 33 is pushed to the fixing rod 80, and when the weight touches the stop block 60, the stop block 60 is pushed into the spring groove 59, so that the weight subtracting effect is achieved.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a can automatic adjustment weight back pedal machine, includes the shell, its characterized in that: the lower end in the shell is provided with a first transmission cavity, the front end and the rear end of the shell are both provided with driven cavities, two main shells are arranged in the middle of the shell, a second transmission cavity is arranged in the main shells, a shaft cavity is arranged above the second transmission cavity, a transmission mechanism for providing power for the device is arranged in the first transmission cavity, a driven mechanism is arranged in the driven cavity, a pushing mechanism for applying pressure to weights is further arranged in the driven cavity, a reset mechanism is arranged in the second transmission cavity, the pushing mechanism comprises rotating wheels sleeved on the main and the driven shafts, the right end face of each rotating wheel is hinged with a first connecting rod, the rightmost end of each first connecting rod is hinged with a push plate, the end face of the shell close to the main shells is provided with a fixed rod for placing the weights, the fixed rod and the push plates are positioned on the same horizontal line, a supporting platform is arranged between the two main shells, the support is supported with a motion rod, the fixed rod and the motion rod are positioned on a horizontal line, the front end and the rear end of the motion rod and one end of the fixed rod close to the motion rod are fixed with connection points which can be separated from each other, the outermost side of the fixed rod is provided with a groove, the shell at the lower side of the push plate is internally provided with a sliding bin with an opening facing the motion rod, the sliding bin is internally provided with a sliding block, the lower end of the push plate extends into the sliding slot and is fixedly connected with the sliding block, the pushing mechanism also comprises a rotating gear engaged with teeth on an auxiliary driven shaft, the left inner wall of the driven cavity is rotatably connected with a rotating shaft fixed with the rotating gear, the right end face of the rotating gear is hinged with a second connecting rod which can rotate around the rotating gear, the askew song is close to the end face of the motion rod and is fixedly connected, the connecting rod right end is hinged with a sliding plate capable of sliding in the sliding cavity, a rotating groove with a front inner wall and a rear inner wall communicated with the outside and an upward opening is formed in the upper end of the sliding plate, a rotating shaft is rotatably connected between the left inner wall and the right inner wall of the rotating groove, a rotating plate with the upper end located at the outside is fixed on the rotating shaft, and a torsion spring is arranged between the rotating shaft and the inner wall of the rotating groove.

2. The back pedal machine capable of automatically adjusting the weight according to claim 1, wherein: the reset mechanism comprises a first motor, a first transmission shaft is connected to the upper end of the first motor in a power mode, the upper end of the first transmission shaft penetrates through the second transmission cavity and is located in the shaft cavity, a transmission gear is fixed to the upper end of the first transmission shaft, the left side of the transmission gear is connected with a connecting gear meshed with the transmission gear, a connecting shaft is fixed to the center of the connecting gear, the upper end of the connecting shaft is rotatably connected with the upper inner wall and the lower inner wall of the shaft cavity, a cam is fixed to the upper end of the connecting shaft, a push block is arranged on one side, close to the shell, of the main shell, a rod cavity is arranged on the push block, the upper end and the lower end of the push block are equidistant, two reset springs are fixedly connected with the main shell on the umbrella, the reset mechanism further comprises a rod cavity, the opening of the rod cavity faces the motion rod, the utility model discloses a spring chamber, including release link, spring chamber, connecting rod, motion rod, spring chamber inner wall, reset link lower extreme, the release link lower extreme is fixed with the lower extreme and is located the connecting rod of spring intracavity, the connecting rod with through reset spring fixed connection between the spring chamber inner wall, the release link is close to the one end of motion rod has a spring barb, be equipped with the decurrent spring groove of opening in the spring barb, spring inslot sliding connection has the lower extreme to be located outside dog, the dog upper end have the upper end with spring groove upper wall fixed connection's.

3. The back pedal machine capable of automatically adjusting the weight according to claim 1, wherein: the transmission mechanism comprises a second motor fixed on the lower cavity wall of the third transmission cavity, the front end and the rear end of the second motor are both in power connection with a second transmission shaft, a first bevel gear is arranged on the second transmission shaft, and a second bevel gear is meshed with the upper end of the first bevel gear.

4. The back pedal machine capable of automatically adjusting the weight according to claim 1, wherein: the driven mechanism comprises a supporting column located on the left side of the shell, a supporting cavity with a downward opening is formed in the supporting column, the inner wall of the supporting cavity is rotatably connected with the supporting column, a second bevel gear is fixed to the lower end of the supporting column, a third bevel gear is fixed to the middle section of the supporting column and meshed with a fourth bevel gear, the left end of the auxiliary driven shaft extends into the supporting cavity and is fixedly connected with the fourth bevel gear, a fifth bevel gear is arranged on the upper section of the supporting column and is meshed with a sixth bevel gear, and the left end of the main driven shaft extends into the supporting cavity and is fixedly connected with the sixth bevel gear.

5. The back pedal machine capable of automatically adjusting the weight according to claim 1, wherein: the deck chair that the support bench right-hand member was fixed with the button that supplies the people to lie down and be equipped with two motors of control.