CN114906272A

CN114906272A - Push-pull type body-building scooter

Info

Publication number: CN114906272A
Application number: CN202110171695.XA
Authority: CN
Inventors: 郭凤奎
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2022-08-16

Abstract

The invention discloses a push-pull type fitness scooter, which comprises an underframe (1), wherein the bottom of the underframe (1) is rotatably connected with a driving wheel (2) through a rotating shaft, the front part of the underframe (1) is provided with a universal wheel (3), the underframe (1) is fixedly connected with a portal frame (4), the portal frame (4) is hinged with two driving rods (6), the bottom end of each driving rod (6) is hinged with a connecting rod (8), one side of each connecting rod (8) is hinged with a crank (10), the bottom of the underframe (1) is rotatably connected with a flywheel (9), the flywheel (9) is provided with a gear ring, and one side of each crank (10) is fixedly connected with the rotating shaft of the flywheel (9); the bottom of the bottom frame (1) is also rotatably connected with a driven gear (11), the mechanism which overcomes the dead point drives the flywheel and the driven gear to drive the driving wheel to continuously rotate forwards through the reciprocating swing of the handle, and the exercise bicycle is driven to continuously move forwards by the movement of the arms of a person.

Description

Push-pull type body-building scooter

Technical Field

The invention relates to the field of exercise bicycles, in particular to a push-pull type exercise bicycle.

Background

In view of the demand of the public for living quality increasing for years, and more people willing to make time for self body exercise, and the pace of life is accelerated, more and more people hope to provide dynamic moving effect for self while exercising body, and avoid the repetitive boring brought by fixed fitness equipment, hope to add the sense of leisure and entertainment to self while exercising body.

The push-pull type body-building scooter which can move forward only by utilizing the forward and backward swinging of the arms of the human body needs to be designed and manufactured for wide body-building enthusiasts.

Disclosure of Invention

The invention provides a push-pull type fitness scooter aiming at the existing problems, a mechanism which overcomes a dead point drives a flywheel and a driven gear to drive a driving wheel to continuously rotate forwards through the reciprocating swing of a handle, the exercise scooter is driven to continuously move forwards by the motion of human arms, and a trolley designed based on man-machine engineering enables a driver or an operator to exercise the strength of feet, arms, waist, buttocks and the like of the body, so that the push-pull type fitness scooter has good practicability.

The invention adopts the following technical scheme:

the push-pull type fitness scooter comprises an underframe, wherein the bottom of the underframe is rotationally connected with a driving wheel through a rotating shaft, the front part of the underframe is provided with a universal wheel, the underframe is fixedly connected with a portal frame, two driving rods are hinged on the portal frame, the bottom end of each driving rod is hinged with a connecting rod, one side of each connecting rod is hinged with a crank, the bottom of the underframe is rotationally connected with a flywheel, the flywheel is provided with a gear ring, and one side of each crank is fixedly connected with the rotating shaft of the flywheel; the bottom of the bottom frame is also rotatably connected with a driven gear, the driven gear is fixedly connected with the driving wheel, a gear ring on the flywheel is meshed with the driven gear, the bottom of the bottom frame is provided with a mechanism which is matched with the crank and used for overcoming a dead point, the flywheel drives the driven gear to rotate through the gear ring on the surface, the flywheel is a known technology, the flywheel only rotates clockwise and drives the gear ring to rotate, and when the flywheel rotates reversely, the gear ring is not moved.

Further, the mechanism of overcoming the dead point includes fixed plate fixed connection in the chassis bottom, one side fixedly connected with supporting spring of fixed plate, one side fixedly connected with set-square of supporting spring, articulate one side is provided with two inclined planes, and two inclined planes form the cooperation of overcoming the dead point with the both sides of set-square respectively.

Furthermore, the mechanism for overcoming the dead points comprises a rocker arm, one side of the crank is hinged to the middle of the rocker arm, the connecting rod is hinged to one end of the rocker arm, a fixing plate is fixedly connected to the bottom of the underframe, and a limiting rod is hinged to the other end of the rocker arm and the fixing plate.

Furthermore, articulated on the chassis have a brake pedal, two reset springs of fixedly connected with between the bottom of brake pedal and the top of chassis, be the brake cooperation between brake pedal and the action wheel.

Furthermore, the bottom of the bottom frame is provided with auxiliary wheels which are symmetrically distributed, and the edge of the bottom of each auxiliary wheel is higher than the edge of the bottom of the driving wheel.

Furthermore, foot positioning plates which are symmetrically distributed are fixedly connected to the bottom frame.

Furthermore, the chassis is provided with symmetrically distributed limiting holes, and the driving rod is arranged on the inner wall of the limiting hole.

Further, the upper end of the driving rod is fixedly connected with a handle through a bolt.

The invention has the beneficial effects that:

according to the invention, through the reciprocating swing of the handle, the mechanism overcoming the dead point drives the flywheel and the driven gear to drive the driving wheel to continuously rotate forwards, so that the rotational inertia of the driving wheel is improved, the exercise bike is driven to continuously move forwards by utilizing the movement of the arms of a person, the cart designed based on the man-machine engineering enables a driver or an operator to exercise the strength of feet, arms, waist, buttocks and the like of the body, and the trolley has good practicability.

Drawings

FIG. 1 is a front cross-sectional view of a first mechanism of the present invention for overcoming dead-center;

FIG. 2 is a side sectional view of the present invention;

FIG. 3 is a body diagram of the present invention;

FIG. 4 is an elevational cross-sectional view of a second mechanism for overcoming dead-center in accordance with the present invention;

fig. 5 is a diagram of a second mechanism for overcoming dead points according to the present invention.

1. A chassis; 2. a driving wheel; 3. a universal wheel; 4. a gantry; 5. a limiting hole; 6. a drive rod; 7. a handle; 8. a connecting rod; 9. a flywheel; 10. a crank; 11. a driven gear; 12. a set square; 13. a brake pedal; 14. a return spring; 15. an auxiliary wheel; 16. a foot positioning plate; 17. a rocker arm; 18. a support spring; 19. a limiting rod; 20. and (7) fixing the plate.

Detailed Description

In order to make the present invention more clear, the push-pull type exercise bicycle of the present invention will be further described with reference to the accompanying drawings, and the embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.

Example 1

As shown in fig. 1 to 3, the push-pull type fitness scooter comprises an underframe 1, wherein the bottom of the underframe 1 is rotatably connected with a driving wheel 2 through a rotating shaft, the front part of the underframe 1 is provided with a universal wheel 3, the underframe 1 is fixedly connected with a portal frame 4, the portal frame 4 is hinged with two driving rods 6, the bottom end of each driving rod 6 is hinged with a connecting rod 8, one side of each connecting rod 8 is hinged with a crank 10, the bottom of the underframe 1 is rotatably connected with a flywheel 9, the flywheel 9 is provided with a gear ring, and one side of each crank 10 is fixedly connected with the rotating shaft of the flywheel 9; the bottom of the chassis 1 is also rotatably connected with a driven gear 11, the driven gear 11 is fixedly connected with a driving wheel 2, a gear ring on the flywheel 9 is meshed with the driven gear 11, the bottom of the chassis 1 is provided with a mechanism which is matched with a crank 10 and overcomes dead points, the mechanism which overcomes the dead points drives the flywheel 9 and the driven gear 11 drives the driving wheel 2 to continuously rotate forwards through the reciprocating swing of the driving rods 6, the rotational inertia of the driving wheel 2 is improved through the front-back staggered swing of the two driving rods 6, the exercise bike is driven to continuously advance by the movement of human arms, and the universal wheels 3 are arranged, a user utilizes the twisting of the waist and the hip to make the rotational direction consistent with the rotational direction of the bike, the rotation is flexible and convenient, the cart based on the ergonomic engineering design enables a driver or an operator to exercise the forces of feet, arms, waist, hips, buttocks and the like of the body, has good practicability.

The mechanism for overcoming the dead point comprises a fixing plate 20 fixedly connected to the bottom of the chassis 1, a supporting spring 18 is fixedly connected to one side of the fixing plate 20, a triangular plate 12 is fixedly connected to one side of the supporting spring 18, two inclined planes are arranged on one side of the crank 10 and respectively form a fit with two sides of the triangular plate 12 for overcoming the dead point, an included angle between the two inclined planes on one side of the crank 10 is eighty-five degrees, an arc angle is arranged at a junction of the two inclined planes, an included angle between two sides of the triangular plate 12 is one hundred fifty-one hundred-sixty degrees, an arc angle is arranged at a junction of two sides, when the crank 10 is about to rotate to one circle, firstly, an upper inclined plane on one side of the crank 10 extrudes the lower side of the triangular plate 12, the triangular plate 12 extrudes the supporting spring 18, the crank 10 continues to rotate along with the crank 10, the crank 10 rotates to the center line of the triangular plate 12, the restoring force of the supporting spring 18 pushes the triangular plate 12, the upper side of the triangle 12 presses the lower inclined plane of one side of the crank 10, then the crank 10 rotates to the same horizontal line with the connecting rod 8, namely, the second dead point position, and at the moment, the pressing force of the triangle 12 is utilized, so that the crank 10 has the motion trend of continuing to rotate when reaching the second dead point position, and the effect of overcoming the dead point is achieved.

Articulated on chassis 1 have brake pedal 13, two reset spring 14 of fixedly connected with between the bottom of brake pedal 13 and the top of chassis 1, for the brake cooperation between brake pedal 13 and the action wheel 2, the setting up of brake pedal 13 makes the user can slow down the vehicle in the dolly operation in-process, and the foot is stepped on brake pedal 13 during the speed reduction, utilizes brake pedal 13 and action wheel 2 friction to carry out the deceleration.

The bottom of the underframe 1 is provided with the auxiliary wheels 15 which are symmetrically distributed, the edge of the bottom of the auxiliary wheel 15 is higher than the edge of the bottom of the driving wheel 2, when the curve is crossed, the auxiliary wheel 15 which is suspended at the inner side of the curve lands, the steering of the exercise bicycle is assisted, and the stability of the exercise bicycle is improved.

Fixedly connected with symmetric distribution's foot locating plate 16 on chassis 1, foot locating plate 16 includes three confined baffles, forms the chamber of placing of foot, and foot locating plate 16 makes user's foot can place steadily on the dolly, strengthens the equilibrium, plays the effect of protection user safety.

Spacing hole 5 of symmetric distribution is seted up to chassis 1, and actuating lever 6 sets up in the inner wall of spacing hole 5, and spacing hole 5 makes actuating lever 6 swing in the interval of setting for, rocks when avoiding actuating lever 6 luffing back.

The upper end of the driving rod 6 is fixedly connected with a handle 7 through a bolt, the handle 7 is convenient for a user to hold, and the use comfort is improved.

The working process of the scheme is as follows: before use, the handle 7 on one side is arranged in front, the handle 7 on the other side is arranged behind, when the bicycle is used, a person stands on the top of the bottom frame 1, two feet are placed in the foot positioning plate 16, the handles 7 are sequentially held by two hands, the handles 7 are driven to regularly swing by regular back and forth movement after the person stands stably, the handles 7 are moved forwards, the handles 7 drive the driving rods 6 to swing backwards, the driving rods 6 drive the cranks 10 to rotate clockwise through the connecting rods 8, the flywheel 9 is driven to rotate by autorotation of the cranks 10, the flywheel 9 drives the driven gear 11 to rotate through the gear rings on the surface, the flywheel 9 is a known technology, the flywheel 9 only rotates clockwise to drive the gear ring to rotate, when the flywheel 9 rotates reversely, the gear ring is not moved, the driven gear 11 drives the driving wheel 2 to roll, when the cranks 10 rotate to one hundred eighty degrees, namely, when the cranks 10 rotate to clockwise half a circle, the driving rods 6 swing to the maximum value, at this time, the connecting rod 8 and the crank 10 are in the same horizontal line, i.e. the first dead point position, and then the handle 7 is moved backward, under the action of the self-weight of the connecting rod 8 and the inertia of the flywheel 9, the connecting rod 8 drives the crank 10 to rotate clockwise continuously, when the crank 10 is about to rotate to a circle, firstly, the upper inclined plane on one side of the crank 10 presses the lower side of the triangular plate 12, the triangular plate 12 presses the supporting spring 18, as the crank 10 rotates continuously, the crank 10 rotates to above the center line of the triangular plate 12, the restoring force of the supporting spring 18 pushes the triangular plate 12, the upper side of the triangular plate 12 presses the lower inclined plane on one side of the crank 10, then, the crank 10 rotates to be in the same horizontal line with the connecting rod 8, i.e. the second dead point position, at this time, the pressing force of the triangular plate 12 is utilized, so that when the crank 10 reaches the second dead point position, there is a tendency of continuous rotation, and the effect of overcoming the dead point is achieved, through the reciprocating swing of the handles 7, the flywheel 9 and the driven gear 11 drive the driving wheel 2 to continuously rotate forwards, through the front-back staggered swing of the two handles 7, the rotational inertia of the driving wheel 2 is improved, and additionally, when the bicycle passes a curve, the auxiliary wheel 15 suspended at the inner side of the curve lands on the ground, the steering of the exercise bicycle is assisted, and the stability of the exercise bicycle is improved.

Example 2

As shown in fig. 4 to 5, the push-pull type exercise bicycle comprises a rocker arm 17, one side of the crank 10 is hinged to the middle of the rocker arm 17, the connecting rod 8 is hinged to one end of the rocker arm 17, a fixing plate 20 is fixedly connected to the bottom of the chassis 1, a limiting rod 19 is hinged to the other end of the rocker arm 17 and the fixing plate 20, the hinge point of the connecting rod 8 and the rocker arm 17 and the hinge point of the rocker arm 17 and the crank 10 are not overlapped, the initial position is inconsistent with the dead point position, and the user continuously swings the handle 7, so that the rotational inertia of the driving wheel 2 is large enough, the dead point problem existing in the use process of a conventional driving device is effectively avoided, and the driving wheel 2 continuously rotates.

The working process of the scheme is as follows: before use, the handle 7 at one side is arranged in front, the handle 7 at the other side is arranged at the back, when in use, a person stands on the top of the underframe 1, and the feet are placed in the foot positioning plate 16, the handle 7 is held by the two hands in sequence, after the person stands stably, both hands move back and forth regularly to drive the handle 7 to swing regularly, the handle 7 moves forwards, the handle 7 drives the driving rod 6 to swing backwards, the driving rod 6 drives the connecting rod 8 to move backwards, the connecting rod 8 drives the rocker arm 17 to swing back and forth, the rocker arm 17 drives the crank 10 to do circular motion, the crank 10 drives the flywheel 9, the flywheel 9 drives the driving wheel 2 to roll through the driven gear 11, because the pin joint of connecting rod 8 and rocking arm 17 and the pin joint of rocking arm 17 and crank 10 can not coincide, initial position and dead point position are inconsistent, can not appear the unable pivoted situation of rocking arm 17, and the inertia of action wheel 2 rotation is enough big, thereby action wheel 2 can continuously rotate forward.

Claims

1. Push-pull type fitness scooter comprises an underframe (1), wherein the bottom of the underframe (1) is rotatably connected with a driving wheel (2) through a rotating shaft, and the front part of the underframe (1) is provided with universal wheels (3) and is characterized in that:

the chassis (1) is fixedly connected with a gantry (4), the gantry (4) is hinged with two driving rods (6), the bottom end of each driving rod (6) is hinged with a connecting rod (8), one side of each connecting rod (8) is hinged with a crank (10), the bottom of the chassis (1) is rotatably connected with a flywheel (9), a gear ring is arranged on each flywheel (9), and one side of each crank (10) is fixedly connected with a rotating shaft of each flywheel (9);

the bottom of the bottom frame (1) is further rotatably connected with a driven gear (11), the driven gear (11) is fixedly connected with the driving wheel (2), a gear ring on the flywheel (9) is meshed with the driven gear (11), and a mechanism which is matched with the crank (10) and overcomes a dead point is arranged at the bottom of the bottom frame (1).

2. The push-pull type fitness scooter of claim 1, wherein: the mechanism of overcoming the dead point includes fixed plate (20) of fixed connection in chassis (1) bottom, one side fixedly connected with supporting spring (18) of fixed plate (20), one side fixedly connected with set-square (12) of supporting spring (18), one side of crank (10) is provided with two inclined planes, and two inclined planes form the cooperation of overcoming the dead point with the both sides of set-square (12) respectively.

3. A push-pull exercise scooter according to claim 1, wherein: the mechanism for overcoming the dead point comprises a rocker arm (17), one side of a crank (10) is hinged to the middle of the rocker arm (17), a connecting rod (8) is hinged to one end of the rocker arm (17), a fixing plate (20) is fixedly connected to the bottom of the chassis (1), and a limiting rod (19) is hinged between the other end of the rocker arm (17) and the fixing plate (20).

4. A push-pull exercise scooter according to claim 1, wherein: articulated on chassis (1) have brake pedal (13), two reset spring (14) of fixedly connected with between the bottom of brake pedal (13) and the top of chassis (1), be the brake cooperation between brake pedal (13) and action wheel (2).

5. The push-pull type fitness scooter of claim 1, wherein: the bottom of the chassis (1) is provided with auxiliary wheels (15) which are symmetrically distributed, and the edge of the bottom of each auxiliary wheel (15) is higher than the edge of the bottom of the driving wheel (2).

6. The push-pull type fitness scooter of claim 1, wherein: the chassis (1) is fixedly connected with foot positioning plates (16) which are symmetrically distributed.

7. The push-pull type fitness scooter of claim 1, wherein: spacing holes (5) which are symmetrically distributed are formed in the bottom frame (1), and the driving rod (6) is arranged on the inner wall of the spacing holes (5).

8. A push-pull exercise scooter according to claim 1, wherein: the upper end of the driving rod (6) is fixedly connected with a handle (7) through a bolt.