CN110787407B

CN110787407B - Weight-reducing rope skipping machine with changeable frequency

Info

Publication number: CN110787407B
Application number: CN201911136771.2A
Authority: CN
Inventors: 张汕秀
Original assignee: Nanjing Lishui Hi Tech Industry Equity Investment Co Ltd
Current assignee: Nanjing Lishui Hi Tech Industry Equity Investment Co Ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2021-06-01
Anticipated expiration: 2039-11-19
Also published as: CN110787407A

Abstract

The invention discloses a weight-reducing rope skipping machine with changeable frequency, which comprises a base, wherein a transmission cavity is arranged in the base, the left side and the right side of the transmission cavity are respectively provided with a first driven cavity, the left end and the right end of the upper end surface of the base are respectively provided with a moving block, a transmission mechanism for providing power for the device is arranged in the transmission cavity, rope shaking mechanisms for simulating manual rope shaking are arranged in the two first driven cavities, and the upper end of the base is provided with an interval changing mechanism for changing the rope skipping interval.

Description

Weight-reducing rope skipping machine with changeable frequency

Technical Field

The invention relates to the field of weight-reducing equipment, in particular to a weight-reducing rope skipping machine with changeable frequency.

Background

The sports can not only strengthen the physical quality of people, but also be the first choice way of losing weight people, and the kind of motion is many, and the rope skipping is the body-building motion that receives people's liking widely, can not only take exercises and help people to lose weight, can temper human harmony moreover.

At the present stage, the rope motion of skipping rope needs two people to rock the rope at both ends to make the environment of a skipping rope, the manual work is rocked the rope and not only can consume great physical power, and it is unbalanced to probably cause the frequency of rocking the rope moreover, can not change the frequency and the interval of rocking the rope as required.

Disclosure of Invention

The invention aims to solve the technical problem of providing a weight-reducing rope skipping machine with changeable frequency, solving the problems of unbalanced rope shaking frequency, lack of change of rope skipping distance and the like, and adding the functions of changing the rope shaking frequency and the rope shaking distance.

The invention is realized by the following technical scheme.

The weight-reducing rope skipping machine with changeable frequency comprises a base, wherein a transmission cavity is arranged in the base, a first driven cavity is arranged on each of the left side and the right side of the transmission cavity, a moving block is arranged at each of the left end and the right end of the upper end surface of the base, a transmission mechanism for providing power for the device is arranged in the transmission cavity, rope shaking mechanisms for simulating manual rope shaking are arranged in each of the two first driven cavities, and an interval changing mechanism for changing the shaking interval of a skipping rope is arranged at the upper end of the base;

the space changing mechanism comprises sliding chutes which are positioned on the upper wall of the two first driven cavities and are provided with upper and lower through holes, the right wall of the sliding chute on the left side is provided with a telescopic cavity with a left opening, a sliding block which can move left and right in the cavity is arranged in the sliding chute, the right end face of the sliding block is fixedly provided with a threaded sleeve with the right end extending into the telescopic cavity, the right end of the threaded sleeve is in threaded connection with a screw rod with the right end extending into the transmission cavity, the right end of the screw rod is provided with a first bevel gear positioned in the transmission cavity, the left end of the screw rod is provided with a rope winding wheel positioned in the telescopic cavity, the rope winding wheel is connected with a rope, the upper wall of the transmission cavity is rotatably connected with a rotating shaft, the upper end of the rotating shaft is provided with a second bevel gear which is in meshed connection with, the lower end face of the rotating disc is fixedly provided with two reset springs which are connected with the upper end face of the sliding sleeve, a sliding cavity with a downward opening is arranged in the sliding sleeve, a sliding block capable of sliding in the sliding cavity is arranged in the sliding cavity, the lower end face of the sliding block is fixedly connected with a pull rope, the front cavity wall and the rear cavity wall of the transmission cavity are rotatably connected with a rotating rod, the rotating rod is provided with a fixed pulley, and the fixed pulley performs a guiding action on the pull rope;

the device is by drive mechanism provides power for the device, through interval change mechanism changes the interval that the rope was rocked at both ends, through at last the rope rocks the mechanism simulation manual work and rocks the rope.

Further, drive mechanism is including fixing motor on the transmission chamber cavity wall, motor upper end power connection has the transmission shaft, the transmission shaft lower extreme is equipped with first driving pulley, the connection is equipped with first belt on the first driving pulley, the transmission shaft upper end is equipped with the second driving pulley, the connection is equipped with the second belt on the second driving pulley, the transmission shaft upper end is equipped with the spline, the base right-hand member is equipped with the ascending ejector pad chamber of opening, the ejector pad intracavity is equipped with the screw thread ejector pad that can reciprocate in the intracavity, screw thread ejector pad left end face fixedly connected with stay cord one end, screw thread ejector pad upper end threaded connection has manual threaded rod, be equipped with the sliding chamber in the chamber wall of ejector pad chamber upper end, manual threaded rod upper end is fixed be equipped with can sliding chamber gliding annular dish.

Further, the rope shaking mechanism comprises a third driven cavity positioned on the right side of the left first driven cavity, a second driven cavity is arranged at the upper end of the moving block, the lower cavity wall of the first driven cavity is rotatably connected with a rotating shaft, the upper end of the rotating shaft penetrates through the sliding block and extends into the second driven cavity, a second driven belt wheel positioned in the first driven cavity is arranged at the lower end of the rotating shaft, the second driven belt wheel is rotatably connected with a second driving belt wheel through a second belt, a third bevel gear positioned in the second driven cavity is arranged at the upper end of the rotating shaft, a rotating rod, the right end of which extends out of the moving block, is rotatably connected with the left cavity wall of the second driven cavity, a fixing rod is fixedly arranged at the right end of the rotating rod, a through hole is formed in the rotating rod, a fourth bevel gear meshed with the third bevel gear is arranged at the left end of the rotating rod, and the lower ends of, the spout right side is equipped with the driven chamber of third, the fixed block that is equipped with of chamber wall under the slip chamber, the chamber wall all is equipped with the displacement chamber around the fixed block, the displacement intracavity all is equipped with can be around the intracavity gliding displacement piece, the rear end the displacement piece before the terminal surface be equipped with the compression spring of chamber wall connection before the displacement chamber, it is connected with the bull stick to rotate on the displacement piece, be equipped with the take-up pulley on the bull stick, two can be right on the take-up pulley the tensioning is carried out to the second belt.

Further, the elastic force of the compression spring is larger than the friction force received by the displacement block when the displacement block slides in the displacement cavity.

Further, the pulling force of the return spring is greater than the sum of the friction force and the self gravity when the sliding sleeve slides on the rotating shaft.

The invention has the beneficial effects that: the rope skipping device is simple in structure and convenient and fast to operate, can simulate manual rope shaking to create a rope skipping environment for rope skipping people during working, can change the frequency of rope shaking according to needs, and is further provided with a function of changing the distance between two ends of the rope shaking, so that the rope skipping device meets the requirements of different rope skipping people.

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 structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram at A-A of FIG. 1 in accordance with an embodiment of the present invention;

FIG. 3 is a schematic structural diagram at B-B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of FIG. 1 at C according to an embodiment of the present invention.

Detailed Description

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, 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 weight-reducing rope skipping machine with changeable frequency, which is described in conjunction with the attached drawings 1-4, comprises a base 10, a transmission cavity 13 is arranged in the base 10, a first driven cavity 25 is arranged on each of the left and right sides of the transmission cavity 13, a moving block 29 is arranged on each of the left and right sides of the upper end face of the base 10, a transmission mechanism 17 for providing power for the device is arranged in the transmission cavity 13, rope shaking mechanisms 11 for imitating manually shaking ropes are arranged in the two first driven cavities 25, an interval changing mechanism 39 for changing the shaking interval of the skipping ropes is arranged on the upper end of the base 10, the interval changing mechanism 39 comprises sliding grooves 26 which are arranged on the upper cavity walls of the two first driven cavities 25 and are provided with upper and lower through holes, a left telescopic cavity 19 with an opening is arranged on the right cavity wall of the left sliding groove 26, a sliding block 27 capable of moving left and right in the sliding groove 26 is arranged in the sliding block 27, a right end face, the right end of the threaded sleeve 21 is in threaded connection with a screw 28, the right end of the screw 28 extends into the transmission cavity 13, the right end of the screw 28 is provided with a first bevel gear 40 positioned in the transmission cavity 13, the left end of the screw 28 is provided with a rope winding wheel 38 positioned in the telescopic cavity 19, the rope winding wheel 38 is connected with a rope 37, the upper wall of the transmission cavity 13 is rotatably connected with a rotating shaft 41, the upper end of the rotating shaft 41 is provided with a second bevel gear 42 engaged with the first bevel gear 40, the lower end of the rotating shaft 41 is in key connection with a sliding sleeve 56, the lower end of the rotating shaft 41 is further provided with a rotating disc 58 positioned on the upper side of the sliding sleeve 56, the lower end face of the rotating disc 58 is fixedly provided with two return springs 57 connected with the upper end face of the sliding sleeve 56, the sliding sleeve 56 is provided with a sliding cavity 55 with a downward opening, and the, the end face fixedly connected with stay cord 68 under the sliding block 59, the chamber wall rotates around the transmission chamber 13 and is connected with rotary rod 61, be equipped with fixed pulley 60 on the rotary rod 61, fixed pulley 60 is right stay cord 68 carries out a guide effect, the device by drive mechanism 17 provides power for the device, through interval change mechanism 39 changes the interval that the rope was rocked at both ends, finally through rope rocking mechanism 11 imitates the manual work and rocks the rope.

Advantageously, said transmission means 17 comprise an electric motor 16 fixed to the lower chamber wall of said transmission chamber 13, the upper end of the motor 16 is connected with a transmission shaft 15 in a power mode, the lower end of the transmission shaft 15 is provided with a first driving belt wheel 14, a first belt 12 is connected with the first driving pulley 14, a second driving pulley 18 is arranged at the upper end of the transmission shaft 15, the second driving pulley 18 is connected with a second belt 20, the upper end of the transmission shaft 15 is provided with a spline 69, a push block cavity 67 with an upward opening is arranged at the right end of the base 10, a thread push block 66 capable of moving up and down in the cavity is arranged in the push block cavity 67, the left end surface of the thread push block 66 is fixedly connected with one end of the pull rope 68, the upper end of the thread push block 66 is connected with a manual threaded rod 65 through a thread, a sliding cavity 64 is arranged in the cavity wall at the upper end of the push block cavity 67, and an annular disc 62 capable of sliding in the sliding cavity 64 is fixedly arranged at the upper end of the manual threaded rod 65.

Beneficially, the rope swinging mechanism 11 includes a third driven cavity 22 located on the right side of the first driven cavity 25 on the left side, a second driven cavity 30 is disposed at the upper end of the moving block 29, a rotating shaft 23 having an upper end penetrating through the sliding block 27 and extending into the second driven cavity 30 is rotatably connected to the lower cavity wall of the first driven cavity 25, a second driven pulley 24 located in the first driven cavity 25 is disposed at the lower end of the rotating shaft 23, the second driven pulley 24 is rotatably connected to the second driving pulley 18 through the second belt 20, a third bevel gear 31 located in the second driven cavity 30 is disposed at the upper end of the rotating shaft 23, a rotating rod 33 having a right end extending out of the moving block 29 is rotatably connected to the left cavity wall of the second driven cavity 30, a fixing rod 35 is fixedly disposed at the right end of the rotating rod 33, a through hole 32 is disposed in the rotating rod 33, a fourth bevel gear 34 engaged with the third bevel gear 31 is disposed at the left end of the rotating rod 33, two of the left and right sides the dead lever 35 lower extreme all is connected with rope 37 one end, spout 26 right side is equipped with third slave chamber 22, the fixed block 54 that is equipped with of chamber wall under the slip chamber 55, chamber wall all is equipped with displacement chamber 50 around the fixed block 54, all be equipped with in the displacement chamber 50 can be at the gliding displacement piece 51 of intracavity front and back, the rear end displacement piece 51 preceding terminal surface be equipped with displacement chamber 50 preceding chamber wall connection's compression spring 70, the last rotation of displacement piece 51 is connected with bull stick 52, be equipped with take-up pulley 53 on the bull stick 52, two can be to on the take-up pulley 53 the tensioning of second belt 20.

Advantageously, the elastic force of the compression spring 70 is greater than the friction force to which the displacement block 51 is subjected when sliding inside the displacement chamber 50.

Advantageously, the tension of the return spring 57 is greater than the sum of the friction and the self-weight of the sliding sleeve 56 when sliding on the rotating shaft 41.

Sequence of mechanical actions of the whole device:

1: starting the motor 16, wherein the motor 16 works to drive the transmission shaft 15 to rotate, the transmission shaft 15 rotates to drive the first driving pulley 14 and the second driving pulley 18 to rotate, the second driving pulley 18 rotates to drive the second driven pulley 24 connected with the second driving pulley through the second belt 20, the second driven pulley 24 rotates to drive the rotating shaft 23 to rotate, so as to drive the third bevel gear 31 to rotate, so as to drive the fourth bevel gear 34 meshed with the third driving pulley to rotate, so as to drive the rotating rod 33 and the fixing rods 35 at the right end of the rotating rod 33 to rotate, the fixing rods 35 at the two sides rotate to start to rock the rope 37, so that the rope skipping environment is manufactured, and only the rotating speed of the motor 16 needs to be changed if the frequency of the;

2: when the distance between two moving blocks 29 needs to be changed, only the manual threaded rod 65 needs to be manually rotated, the manual threaded rod 65 is rotated to drive the threaded push block 66 to move downwards, thereby pulling the pull cord 68 taut, the sliding sleeve 56 is thereby pulled by the pull cord 68 downwardly to connect with the sliding block 59, thereby connecting the transmission shaft 15 and the rotating shaft 41 through the sliding sleeve 56, and thereby rotating the rotating shaft 41, the rotating shaft 41 rotates to drive the second bevel gear 42 to rotate, thereby driving the two first bevel gears 40 engaged with the first bevel gears to rotate, the first bevel gear 40 on the left side drives the screw 28 to rotate, the screw 28 rotates to drive the rope winding wheel 38 to rotate and drive the threaded sleeve 21 in threaded connection with the screw 28 to move leftwards, thereby pushing the slide block 27 to move leftwards in the slide groove 26, and driving the moving block 29 to move leftwards, so as to achieve the purpose of changing the distance between the two moving blocks 29 at the left side and the right side;

3: when the distance between the two moving blocks 29 is changed to a proper length, the manual threaded rod 65 is only required to be manually reversed, so that the threaded push block 66 in threaded connection with the manual threaded rod is driven to move upwards, the pull rope 68 is loosened, the sliding sleeve 56 loses the pulling force of the pull rope 68 and moves upwards under the pulling force of the return spring 57 to be reset, the rotating shaft 41 is disconnected from the transmission shaft 15, the rotating shaft 41 stops rotating, and the purpose of stopping changing the distance between the two moving blocks 29 is achieved;

4: in the process of changing the distance between the two moving blocks 29, the second belt 20 is tensioned, so that the second belt 20 is always connected with the second driven pulley 24 and the second driving pulley 18 by pressing the moving block 51 into the displacement cavity 50 through the tensioning wheel 53 connected with the second belt 20, the motor 16 is turned off after the rope skipping movement is finished, and the device stops working.

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 weight-reducing rope skipping machine of convertible frequency, includes the base, its characterized in that: a transmission cavity is arranged in the base, first driven cavities are arranged on the left side and the right side of the transmission cavity, a moving block is arranged at the left end and the right end of the upper end face of the base, a transmission mechanism for providing power for the device is arranged in the transmission cavity, rope shaking mechanisms for simulating artificial rope shaking are arranged in the two first driven cavities, and an interval changing mechanism for changing the rope skipping shaking interval is arranged at the upper end of the base;

the space changing mechanism comprises sliding chutes which are positioned on the upper wall of the two first driven cavities and are provided with upper and lower through holes, the right wall of the sliding chute on the left side is provided with a telescopic cavity with a left opening, a sliding block which can move left and right in the cavity is arranged in the sliding chute, the right end surface of the sliding block is fixedly provided with a threaded sleeve with the right end extending into the telescopic cavity, the right end of the threaded sleeve is in threaded connection with a screw rod with the right end extending into the transmission cavity, the right end of the screw rod is provided with a first bevel gear positioned in the transmission cavity, the left end of the screw rod is provided with a rope winding wheel positioned in the telescopic cavity, the rope winding wheel is connected with a rope, the upper wall of the transmission cavity is rotatably connected with a rotating shaft, the upper end of the rotating shaft is provided with a second bevel gear which is in meshed connection, the lower end face of the rotating disc is fixedly provided with two reset springs which are connected with the upper end face of the sliding sleeve, a sliding cavity with a downward opening is arranged in the sliding sleeve, a sliding block capable of sliding in the sliding cavity is arranged in the sliding cavity, the lower end face of the sliding block is fixedly connected with a pull rope, the front cavity wall and the rear cavity wall of the transmission cavity are rotatably connected with a rotating rod, the rotating rod is provided with a fixed pulley, and the fixed pulley performs a guiding action on the pull rope;

the device is powered by the transmission mechanism, the distance between two ends of a swinging rope is changed by the distance changing mechanism, and finally the rope swinging mechanism simulates manual rope swinging;

the transmission mechanism comprises a motor fixed on the wall of the lower cavity of the transmission cavity, the upper end of the motor is in power connection with a transmission shaft, the lower end of the transmission shaft is provided with a first driving belt wheel, the first driving belt wheel is connected with a first belt, the upper end of the transmission shaft is provided with a second driving belt wheel, the second driving belt wheel is connected with a second belt, the upper end of the transmission shaft is provided with a spline, the right end of the base is provided with a push block cavity with an upward opening, a threaded push block capable of moving up and down in the cavity is arranged in the push block cavity, the left end face of the threaded push block is fixedly connected with one end of the pull rope, the upper end of the threaded push block is in threaded connection with a manual threaded rod, a sliding cavity is arranged in the cavity wall of the upper end of;

the rope shaking mechanism comprises a third driven cavity positioned on the right side of the left first driven cavity, a second driven cavity is arranged at the upper end of the moving block, the lower cavity wall of the first driven cavity is rotatably connected with a rotating shaft, the upper end of the rotating shaft penetrates through the sliding block and extends into the second driven cavity, a second driven belt wheel positioned in the first driven cavity is arranged at the lower end of the rotating shaft, the second driven belt wheel is rotatably connected with a second driving belt wheel through a second belt, a third bevel gear positioned in the second driven cavity is arranged at the upper end of the rotating shaft, a rotating rod, the right end of which extends out of the moving block, is rotatably connected with the left cavity wall of the second driven cavity, a fixing rod is fixedly arranged at the right end of the rotating rod, a through hole is formed in the rotating rod, a fourth bevel gear meshed with the third bevel gear is arranged at the left end of the rotating rod, the lower ends, a third driven cavity is arranged on the right side of the sliding chute, a fixed block is fixedly arranged on the lower cavity wall of the sliding cavity, displacement cavities are arranged on the front cavity wall and the rear cavity wall of the fixed block, displacement blocks capable of sliding back and forth in the cavities are arranged in the displacement cavities, a compression spring connected with the front cavity wall of the displacement cavity is arranged on the front end face of the displacement block at the rear end, a rotating rod is rotatably connected to the displacement blocks, tension wheels are arranged on the rotating rod, and the two tension wheels can tension the second belt;

the elasticity of the compression spring is larger than the friction force applied to the displacement block when the displacement block slides in the displacement cavity;

the pulling force of the reset spring is larger than the sum of the friction force and the self gravity of the sliding sleeve when the sliding sleeve slides on the rotating shaft.