CN216943410U

CN216943410U - Pedal balance vehicle

Info

Publication number: CN216943410U
Application number: CN202220240952.0U
Authority: CN
Inventors: 张文成
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-07-12
Anticipated expiration: 2032-01-28

Abstract

The utility model provides a pedal balance car, which comprises a frame; the first wheel and the second wheel are respectively rotatably arranged on two sides of the frame; the first pedal and the second pedal are respectively rotatably arranged on the frame and are respectively used for reciprocating up and down; the reverse transmission mechanism is in transmission connection with the first pedal and the second pedal respectively; the ratchet wheel transmission mechanism is in transmission connection with the first pedal and the second pedal respectively; the differential mechanism is in transmission connection with the first wheel and the second wheel respectively; the clutch mechanism is in transmission connection with the ratchet transmission mechanism and the differential mechanism respectively, the clutch mechanism is used for switching the transmission state of the differential mechanism, the differential mechanism is used for driving the first wheel and the second wheel to rotate in the same direction in the first state, driving the first wheel and the second wheel to rotate in the opposite direction under the action in the second state, and the transmission between the differential mechanism and the ratchet transmission mechanism is disconnected in the third state. Above-mentioned pedal balance car effectively solves the problem that prior art pedal balance car turned to the difficulty.

Description

Pedal balance vehicle

Technical Field

The utility model belongs to the technical field of mobility scooter, and particularly relates to a pedal balance bike.

Background

The scooter refers to a transportation tool or an auxiliary tool for the purpose of replacing walk, such as a scooter, a bicycle, a balance car, etc.

The balance car is a popular tool for riding instead of walk in recent years, and is particularly popular with young people, however, most of the balance cars in the current market are electric balance cars, the electric balance cars mainly control to advance or retreat through a servo control system, the structure is extremely complex, the cost is high, and the electric balance car is not beneficial to saving resources.

The pedal balance bike appears in the subsequent market, and the pedals on the pedal balance bike are stepped up and down, and the wheels are driven to rotate through the transmission device, so that the pedal balance bike can advance.

However, the foot balance vehicle is difficult to control when turning.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pedal balance bike, which aims to solve the technical problem that the steering operation of the bike in the prior art is difficult.

In order to realize the purpose, the utility model adopts the technical scheme that: a foot operated balance bike is provided, which comprises

A frame;

the first wheel and the second wheel are respectively rotatably arranged on two sides of the frame;

the first pedal and the second pedal are rotatably arranged on the frame respectively and used for reciprocating up and down;

the reverse transmission mechanism is in transmission connection with the first pedal and the second pedal respectively and is used for realizing reverse swing of the first pedal and the second pedal;

the ratchet transmission mechanism is in transmission connection with the first pedal and the second pedal respectively;

a differential mechanism drivingly connected to the first wheel and the second wheel, respectively;

the clutch mechanism is respectively in transmission connection with the ratchet transmission mechanism and the differential mechanism, the clutch mechanism is used for switching the transmission state of the differential mechanism, the transmission state of the differential mechanism comprises a first state, a second state and a third state, the differential mechanism is used for driving the first wheel and the second wheel to rotate in the same direction under the transmission action of the ratchet transmission mechanism in the first state, the differential mechanism is used for driving the first wheel and the second wheel to rotate in the opposite direction under the transmission action of the ratchet transmission mechanism in the second state, and the transmission between the differential mechanism and the ratchet transmission mechanism is disconnected in the third state.

The pedal balance vehicle provided by the utility model has the beneficial effects that: compared with the prior art, the pedal balance car provided by the utility model has the advantages that the first pedal and the second pedal are used for providing driving force by means of up-and-down alternate reciprocating motion, and the first wheel and the second wheel are driven to rotate under the matching action of the reverse transmission mechanism, the ratchet transmission mechanism, the differential mechanism and the clutch mechanism, so that the movement of the pedal balance car is realized. Through the matching of the differential mechanism and the clutch mechanism, three transmission states can be realized, and in the first state, the differential mechanism drives the first wheel and the second wheel to rotate in the same direction, namely the pedal balance car can realize continuous forward or backward movement through the driving force provided by the first pedal and the second pedal; in a second state, the differential mechanism drives the first wheel and the second wheel to move in opposite directions, so that the pedal balance car can rotate in situ, and steering can be realized; in the third state, the transmission between the differential mechanism and the ratchet transmission mechanism is disconnected, so that the transmission between the pedals and the wheels is disconnected, and the pedal balance car is pulled to move conveniently.

Drawings

FIG. 1 is a schematic perspective view of a foot balance vehicle according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a balance cycle according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a pull cord retractor according to an embodiment of the present invention;

FIG. 4 is a first schematic assembly view of a clutch mechanism and a differential mechanism according to an embodiment of the present invention;

FIG. 5 is a second schematic assembly view of a clutch mechanism and differential mechanism provided in accordance with one embodiment of the present invention;

FIG. 6 is a third schematic illustration of the assembly of the clutch mechanism and differential mechanism provided in accordance with one embodiment of the present invention;

FIG. 7 is an exploded view of the clutch mechanism and differential mechanism provided in accordance with one embodiment of the present invention;

FIG. 8 is a first schematic structural diagram of a locking assembly according to an embodiment of the present invention;

FIG. 9 is a second schematic structural view of a locking assembly according to an embodiment of the present invention;

fig. 10 is a schematic diagram of a structure related to wire dialing according to an embodiment of the present invention;

FIG. 11 is a schematic diagram of the relative position of the tensioning mechanism and the clutch transmission chain according to one embodiment of the present invention;

FIG. 12 is a first schematic structural diagram of a tensioning mechanism according to an embodiment of the present invention;

FIG. 13 is a second schematic structural view of a tensioning mechanism according to an embodiment of the present invention;

FIG. 14 is a first schematic view of the assembly of the footrest, swing arm and linkage mechanism provided in accordance with one embodiment of the present invention;

FIG. 15 is a second schematic view of the assembly of the footrest, swing arms and linkage mechanism provided in accordance with one embodiment of the present invention;

FIG. 16 is a schematic structural view of a first footrest according to an embodiment of the present invention;

FIG. 17 is a schematic diagram of the relative positions of the swing arm, the reversing drive mechanism, and the linkage mechanism according to an embodiment of the present invention;

FIG. 18 is a first structural schematic diagram of a ratchet mechanism according to an embodiment of the present invention;

FIG. 19 is a second schematic structural view of a ratchet mechanism according to an embodiment of the present invention;

FIG. 20 is a first structural schematic view of a ratchet structure according to an embodiment of the present invention;

FIG. 21 is a second structural view of a ratchet structure according to an embodiment of the present invention;

FIG. 22 is an assembled view of the first pawl assembly and ratchet structure provided in accordance with one embodiment of the present invention;

FIG. 23 is an assembled view of a second pawl assembly and ratchet structure provided in accordance with one embodiment of the present invention;

FIG. 24 is a first view of a second reversing pawl according to one embodiment of the present invention;

FIG. 25 is a second reverse pawl configuration illustration in accordance with one embodiment of the present invention;

FIG. 26 is a schematic structural diagram of a reversing mechanism provided in accordance with an embodiment of the present invention;

FIG. 27 is an exploded view of a reversing mechanism provided in accordance with an embodiment of the present invention;

FIG. 28 is a schematic view of the relative position of the reversing mechanism and the ratchet mechanism according to an embodiment of the present invention;

FIG. 29 is a first structural view of a friction element according to an embodiment of the present invention;

FIG. 30 is a second schematic structural view of a friction pack according to an embodiment of the present invention;

FIG. 31 is a schematic view of a third linkage assembly according to one embodiment of the present invention;

FIG. 32 is a schematic view of the relative positions of the brake mechanism, the cable puller and the vehicle frame according to one embodiment of the present invention;

FIG. 33 is a first schematic structural view of a brake mechanism according to an embodiment of the present invention;

fig. 34 is a second schematic structural diagram of a brake mechanism according to an embodiment of the present invention.

Detailed Description

Referring to fig. 1 and 2 together, a pedal balance car according to a first embodiment of the present invention will now be described. The first embodiment of the present invention provides a foot balance vehicle, in this embodiment, the foot balance vehicle comprises a frame 1, wheels, a foot pedal, a reverse transmission mechanism 3, a ratchet transmission mechanism 4, a differential mechanism 5 and a clutch mechanism 6, wherein: the quantity of wheel is two, is first wheel 11 and second wheel 12 respectively, and first wheel 11 and second wheel 12 are installed respectively at the both ends of frame 1, and first wheel 11 and second wheel 12 can be respectively with rotate between the frame 1 and be connected to make frame 1 play the supporting role to first wheel 11 and second wheel 12, and first wheel 11 and second wheel 12 can rotate for frame 1 to drive the pedal balance car and advance. The number of the pedals is two, and the pedals are respectively a first pedal 21 and a second pedal 22 which are respectively used for reciprocating and swinging up and down. The reverse transmission mechanism 3 is respectively in transmission connection with the first pedal 21 and the second pedal 22, so that the first pedal 21 and the second pedal 22 swing in reverse directions, that is, when the first pedal 21 swings downwards, the reverse transmission mechanism 3 swings the second pedal 22 upwards, and when the second pedal 22 swings downwards, the reverse transmission mechanism 3 swings the first pedal 21 upwards, so that a user can alternately pedal the first pedal 21 and the second pedal 22, and the first pedal 21 and the second pedal 22 can reciprocate upwards and downwards.

The ratchet transmission mechanism 4 is respectively connected with the first pedal 21 and the second pedal 22, and the ratchet transmission mechanism 4 is used for converting linear driving force generated by the up-and-down reciprocating motion of the first pedal 21 and the second pedal 22 into rotary driving force.

The differential mechanism 5 is in transmission connection with the first wheel 11 and the second wheel 12 respectively, and is used for driving the first wheel 11 and the second wheel 12 to rotate.

The clutch mechanism 6 is arranged between the ratchet transmission mechanism 4 and the differential mechanism 5, and the clutch mechanism 6 is used for controlling whether the ratchet transmission mechanism 4 is connected with the differential mechanism 5 or not and controlling the transmission state of the differential mechanism 5 so as to change the transmission path of the driving force.

The clutch mechanism 6 is used to switch the transmission state of the differential mechanism 5, so that the differential mechanism 5 is switched between three transmission states. The three transmission states are respectively a first state, a second state and a third state.

When the differential mechanism 5 is adjusted to the first state through the clutch mechanism 6, the differential mechanism 5 is in transmission connection with the ratchet transmission mechanism 4, and the ratchet transmission mechanism 4 can transmit the driving force to the differential mechanism 5 and to the first wheel 11 and the second wheel 12 through the differential mechanism 5, so that the first wheel 11 and the second wheel 12 rotate in the same direction. When the first wheel 11 and the second wheel 12 rotate in the same direction, the pedal balance vehicle can realize continuous forward or backward movement.

When the differential mechanism 5 is adjusted to the second state by the clutch mechanism 6, the differential mechanism 5 is in transmission connection with the ratchet transmission mechanism 4, and the ratchet transmission mechanism 4 can transmit the driving force to the differential mechanism 5 and to the first wheel 11 and the second wheel 12 through the differential mechanism 5, so that the first wheel 11 and the second wheel 12 rotate in opposite directions. When the first wheel 11 and the second wheel 12 rotate in opposite directions, the foot balance vehicle can rotate in place, thereby facilitating steering, such as left-turning, right-turning, backward-turning, and the like.

When the differential mechanism 5 is adjusted to the third state by the clutch mechanism 6, the differential mechanism 5 is disconnected from the ratchet transmission mechanism 4, and the transmission of force between the ratchet transmission mechanism 4 and the differential mechanism 5 is stopped, in this state, the rotation of the wheels does not drive the pedals to swing, and the pedals swing does not drive the wheels to rotate. In the state, the pedal balance car is suitable for stepping in situ or pulling the pedal balance car to move, specifically, a user can move the pedal balance car by pulling the pedal balance car up and down from the pedal balance car, or one user stands on the pedal balance car and pulls the pedal balance car to move by another user.

In a possible embodiment of the embodiment, the axis of the first wheel 11 coincides with the axis of the second wheel 12.

In another possible embodiment of the embodiment, the axis of the first wheel 11 and the axis of the second wheel 12 are spaced apart and arranged parallel in the direction of advance of the pedal balance cycle, i.e. so that the first wheel 11 and the second wheel 12 are not arranged concentrically. Therefore, the first wheel 11 and the second wheel 12 are arranged in a front-back direction with different positions, namely in tandem, and the stability of the pedal balance car in the process of traveling is improved.

As shown in fig. 1 to 3, in order to facilitate the movement of the foot balance vehicle, a rope pulling device 91 is provided on the vehicle frame 1, the rope pulling device 91 comprises a rope reel 911, a rope pulling 912 and a rope pulling handle 913, one end of the rope pulling 912 is fixed on the rope reel 911, the rope pulling 912 is wound on the rope reel 911, the other end of the rope pulling 912 is connected with the rope pulling handle 913, the rope reel 911 is rotatably connected on the vehicle frame 1, the rope reel 911 and the vehicle frame 1 can be detachably connected, and the rope reel 911 can rotate relative to the vehicle frame 1. Pulling stay cord handle 913 to can pull out stay cord 912 that twines on reel 911 longer distance, pull out stay cord 912 to setting for the distance after with stay cord 912, then pull stay cord 912 will pull reel 911 and move, thereby accessible pulling stay cord handle 913 drives reel 911 and moves, then drives pedal balance car and removes. After the use, the pulling rope 912 can be wound on the rope reel 911 through manual operation, or a French spring is connected between the rope reel 911 and the frame 1, and the pulling rope 912 is automatically wound through the French spring.

In one possible embodiment of the present embodiment, as shown in fig. 1 to 10, the differential mechanism 5 includes: differential housing 51, first differential axle 53, second differential axle 54, locking assembly 57, specifically: a first differential gear 52 is rotatably mounted in the differential housing 51, the first differential shaft 53 is in transmission connection with the first wheel 11, the second differential shaft 54 is in transmission connection with the second wheel 12, one end of the first differential shaft 53 extends into the differential housing 51, a second differential gear 55 is arranged at the end of the first differential shaft, one end of the second differential shaft 54 extends into the differential housing 51, a third differential gear 56 is arranged at the end of the second differential shaft, and the second differential gear 55 and the third differential gear 56 are respectively meshed with two sides of the first differential gear 52. A lock assembly 57 is provided between the frame 1 and the differential case 51, and the operation of the lock assembly 57 enables locking or separation of the differential case 51 from the frame 1.

Further, the first differential shaft 53 and the second differential shaft 54 are respectively rotatable with respect to the differential case 51. In one mode, two through holes are provided in the differential case 51, and the first differential shaft 53 extends into the differential case 51 through one through hole, and the second differential shaft 54 extends into the differential case 51 through the other through hole. The outer diameters of the first differential shaft 53 and the second differential shaft 54 are smaller than the hole diameters of the through holes, respectively, thereby facilitating the rotation of the first differential shaft 53 and the second differential shaft 54, respectively, relative to the differential case 51.

The first differential gear 52, the second differential gear 55 and the third differential gear 56 are all bevel gears, and the axle center of the first differential gear 52 is perpendicular to the axis of the second differential gear 55 and the axis of the third differential gear 56 respectively. The number of the first differential gears 52 may be one or two. When the number of the first differential gears 52 is two, the two first differential gears 52 are disposed at an interval, and are respectively engaged with both sides of the first differential gears 52 and both sides of the second differential gears 55.

In one use condition, the driving force is input from the first differential shaft 53, while the differential housing 51 and the frame 1 are in a relatively fixed connection, the first differential shaft 53 rotates to drive the first differential gear 52 to rotate through the second differential gear 55, and then the first differential gear 52 drives the third differential gear 56 to rotate, so as to drive the second differential shaft 54 to rotate in the opposite direction of the first differential shaft 53, so that the first wheel 11 and the second wheel 12 rotate in the opposite direction.

In another usage situation, the driving force is input from the differential housing 51, when the first differential gear 52 is driven by the differential housing 51 to rotate around the axis of the differential, and the first differential gear 52 and the differential housing 51 are relatively stationary and do not rotate relatively, the differential housing 51 pushes the second differential gear 55 and the third differential gear 56 to rotate through the first differential gear 52, so as to drive the first differential shaft 53 and the second differential shaft 54 to rotate in the same direction, so as to drive the first wheel 11 and the second wheel 12 to rotate in the same direction.

In one possible embodiment, the differential case 51 is provided at one end with an extension cylinder communicating with a through hole, and the first differential shaft 53 extends through the extension cylinder into the through hole communicating with the extension cylinder and through the through hole into the interior of the differential case 51.

As shown in fig. 8, the locking assembly 57 includes a sleeve member 571 that is fitted around the extension cylinder and is fixedly connected with the extension cylinder, locking teeth 572 are spaced around the sleeve member 571, and locking slots 573 are formed between adjacent locking teeth 572. The locking assembly 57 further comprises locking jaws 574, the locking jaws 574 being rotatably mounted to the frame 1, the locking jaws 574 being pivotable relative to the frame 1, the locking jaws 574 being extendable into the locking slots 573 to secure the sleeve member 571 to the frame 1, and thereby secure the extension cylinder and the differential case to the frame 1, to prevent rotation of the differential case relative to the frame 1. When the locking pawls 574 swing in opposite directions, the locking pawls 574 disengage from the locking pockets 573, so that the sleeve member 571 can rotate with the differential case. Optionally, as shown in fig. 9, the locking assembly 57 further includes a first wire 575, a first elastic member 576 and a second elastic member 577, the first elastic member 576 and the second elastic member 577 are respectively connected to the locking claws 574, the first elastic member 576 is used to rotate the locking claws 574 to disengage from the locking grooves 573, the second elastic member 577 is used to rotate the locking claws 574 to extend into the locking grooves 573, and the elastic force of the first elastic member 576 is smaller than that of the second elastic member 577. The first wire drawing 575 is connected with the locking claw 574, and when the first wire drawing 575 is drawn, the locking claw 574 swings under the driving of the first wire drawing 575 and the elastic force of the second elastic piece 577 to be clamped into the locking groove 573, so that the locking of the differential case 51 and the frame 1 is realized.

As shown in fig. 1 to 10, the clutch mechanism 6 includes: first engagement member 611, second engagement member 612, clutch wheel seat 64, third engagement member 65 and clutch toggle member 66, wherein: the first engaging member 611 is fixedly connected to the differential case 51, the second engaging member 612 is fixedly connected to the first differential shaft 53, the second engaging member 612 and the first engaging member 611 are arranged at an interval in the axial direction of the first differential shaft 53, and the second engaging member 612 and the first engaging member 611 have a clutch gap 613 with a certain distance. The clutch wheel seat 64 is in transmission connection with the ratchet transmission mechanism 4, the clutch wheel seat 64 is sleeved outside the first engaging piece 611 and the second engaging piece 612, the third engaging piece 65 is slidably assembled on the clutch wheel seat 64, a clutch engaging piece 651 is arranged on the third engaging piece 65, and the clutch engaging piece 651 extends into the inner side of the clutch wheel seat 64 so as to be engaged with the first engaging piece 611, engaged with the second engaging piece 612 or positioned in the clutch gap 613 and not engaged with the first engaging piece 611 and the second engaging piece 612. The clutch toggle member 66 is used for toggling the third engaging member 65 to change the position of the clutch teeth 651. The clutch toggle member 66 can toggle the third engaging member 65 so that the third engaging member 65 moves between three positions, in the first position, the third engaging member 65 engages with the second engaging member 612, in which case the driving force transmitted by the ratchet transmission mechanism 4 is transmitted to the second engaging member 612 via the clutch wheel holder 64 to rotate the first differential shaft 53 by the second engaging member 612, that is, in the case where the above-mentioned driving force is input via the first differential shaft 53, in which case the differential mechanism 5 is in the second state, and the first wheel 11 and the second wheel 12 rotate in the reverse direction. In the second position, the third engaging member 65 is located between the first engaging member 611 and the second engaging member 612, and is not engaged with both of them, so when the ratchet transmission mechanism 4 transmits power to the clutch wheel base 64, the clutch wheel base 64 rotates relative to the first engaging member 611 and the second engaging member 612, i.e. the clutch wheel base 64 idles, and does not transmit power further. The differential mechanism 5 is in the third state at this time. In the third position, the third engaging member 65 engages with the first engaging member 611 to transmit power to the first engaging member 611 through the clutch wheel holder 64, and the differential case 51 is rotated by the first engaging member 611, that is, the above-mentioned driving force is input through the differential case 51, in which case the differential mechanism 5 is in the first state and the first wheel 11 and the second wheel 12 rotate in the same direction.

In one possible embodiment, third engagement assembly 65 includes a paddle 652 and a clutch tooth 651 connected to paddle 652. The clutch shifting part 66 comprises a shifting seat 661 and shifting teeth 662, one end of the shifting seat 661 is rotatably connected with the frame 1, the shifting teeth 662 are installed at the other end of the shifting seat 661, at least one group of shifting teeth 662 are arranged on the shifting seat 661, one group of shifting teeth 662 comprise two shifting teeth 662 arranged at intervals, and the two shifting teeth 662 are respectively located on two sides of the shifting piece 652 so as to drive the shifting piece 652 to move along the axial direction of the first differential shaft 53. In the figure, two groups of shifting teeth 662 are arranged on the shifting base 661 at intervals, and the two groups of shifting teeth 662 are respectively located on two opposite sides of the shifting piece 652 so as to drive the shifting piece 652 to move from two different areas simultaneously. Optionally, the poking seat 661 is connected to a third elastic element 664, the third elastic element 664 is used for driving the poking seat 661 to move so as to reset the poking seat 661, and the third elastic element 664 is installed on the frame 1. Optionally, the poking seat 661 is connected with a second poking wire 663, and the second poking wire 663 is used for driving the poking seat 661 to swing so that the poking teeth 662 poke the poking pieces 652.

In an alternative embodiment, the first wire shifting 575 and the second wire shifting 663 are both connected with the third wire shifting 67, the other end of the third wire shifting 67 is connected with the first wire shifting handle 68, and the first wire shifting handle 68 is detachably mounted on the frame 1, can be taken down from the frame 1 when in use, and can be fixed on the frame 1 when not in use. By shifting the third shifting wire 67, the first shifting wire 575 and the second shifting wire 663 can be driven simultaneously, so that the clutch shifting part 66 swings and the locking claw 574 swings.

Optionally, a wire-dialing adjusting assembly is arranged between the first wire-dialing 575, the second wire-dialing 663 and the third wire-dialing 67, and the wire-dialing adjusting assembly includes a first wire-dialing adjusting member 691 for adjusting the tightness of the first wire-dialing 575, a second wire-dialing adjusting member 692 for adjusting the tightness of the second wire-dialing 663 and a third wire-dialing adjusting member 693 for adjusting the tightness of the third wire-dialing 67. The tightness of the first shifting wire 575 and the tightness of the second shifting wire 663 can be respectively adjusted through the first shifting wire adjusting piece 691 and the second shifting wire adjusting piece 692, so that the sequence of swinging of the clutch shifting piece 66 and the locking claw 574 can be controlled.

In an alternative embodiment, as shown in fig. 7, the clutch mechanism 6 further includes a clutch transmission chain 621, the clutch transmission chain 621 is in transmission connection with the clutch wheel seat 64, the clutch transmission chain 621 is in transmission connection with a clutch transmission tooth 622, and the clutch transmission tooth 622 is in transmission connection with the ratchet transmission mechanism 4. The ratchet transmission mechanism 4 is used for driving the clutch transmission gear 622 to rotate, and the clutch transmission gear 622 drives the clutch wheel seat 64 to rotate through the clutch transmission chain 621.

In an alternative embodiment, as shown in fig. 11 to 13, the pedal balance vehicle further includes a tensioning mechanism 63, and the tensioning mechanism 63 is used for controlling the tightness of the clutch transmission chain 621, so as to control the transmission time of the force between the ratchet transmission mechanism 4 and the clutch mechanism 6, and prevent the clutch transmission chain 621 from tightening the inverted cone wheel too much to drive the ratchet transmission mechanism 4 to move, so that the pedal moves to affect the running balance.

The tension mechanism 63 includes: tensioning fixing base 631, cam 633, tensioning locating part 636 and tensioning driving gear 635, tensioning fixing base 631 is fixed connection on frame 1, and cam 633 is connected with tensioning fixing base 631 through swing axle 632 rotation, and tensioning driving gear 635 rotates and installs in the protruding end edge region of cam 633, and tensioning driving gear 635 is connected with separation and reunion driving chain 621 transmission. The cam 633 is provided with a plurality of limiting holes 634, the limiting holes 634 are respectively distributed in the peripheral area of the swing shaft 632, the tension fixing seat 631 is provided with a through hole, and the tension limiting member 636 penetrates through the through hole and then extends into one of the limiting holes 634, so that the cam 633 is fixed at the current angle, and the tension transmission gear 635 is fixed at the current position. When the tension force needs to be adjusted, the tension limiting member 636 passes through different limiting holes 634, so that the fixing angle of the cam 633 relative to the tension fixing seat 631 is different, and the cam 633 can be fixed after the cam 633 swings for a certain angle, so as to fix the tension transmission gear 635 at different positions. The tensioning transmission tooth 635 can be positioned at the outer side or the inner side of the clutch transmission chain 621, and after the tensioning transmission tooth 635 moves towards the direction close to the clutch transmission chain 621, the clutch transmission chain 621 can be pushed to bend, so that the tensioning force of the clutch transmission chain 621 is increased; when the tension gear 635 moves away from the clutch transmission chain 621, the tension of the clutch transmission chain 621 decreases.

In an alternative embodiment, as shown in fig. 14 and 15, one side of the first pedal 21 is rotatably connected to the frame 1 through a first swing arm 231, the other side is rotatably connected to the frame 1 through a second swing arm 232, the first pedal 21 is drivingly connected to the ratchet mechanism 4 through the second swing arm 232, one side of the second pedal 22 is rotatably connected to the frame 1 through a fourth swing arm 234, and the other side is drivingly connected to the ratchet mechanism 4 through a third swing arm 233.

In an alternative embodiment, both first footrest 21 and second footrest 22 can be configured with relatively large footrest structures to increase the comfort of pedaling. As shown in fig. 16, the first pedals 21 include a first pedal 211, a second pedal 212, and a first connection pedal 213, the first pedal 211 and the second pedal 212 are spaced back and forth in the forward direction of the step balance car, and the first connection pedal 213 is located on the top surfaces of the first pedal 211 and the second pedal 212 and is connected to the first pedal 211 and the second pedal 212, respectively. The second pedals 22 include a third pedal, a fourth pedal and a second connecting pedal, the third pedal and the fourth pedal are arranged at intervals in the front-rear direction of the forward direction of the pedal balance car, and the second connecting pedal is located on the top surfaces of the third pedal and the fourth pedal and is connected with the third pedal and the fourth pedal respectively. In the use, support user's foot through the great connection footboard of size to supply the user to trample the drive, because the size of connection footboard is bigger relatively, consequently bigger with the area of contact of user's step, the comfort level is higher, the body of being more convenient for simultaneously twists the automobile body and realizes that the car turns to in advancing.

As shown in fig. 16, a flange 214 is downwardly disposed at the edge of the first connection pedal 213, and is fixedly connected to the second pedal 212 at the top surface and the flange 214 of the first connection pedal 213, and is connected to the first pedal 211 at the top surface or the flange 214 of the first connection pedal 213. The flange 214 plays a limiting role between the connecting plate and the first pedal 211 and the second pedal 212. Alternatively, a through hole may be provided at the top surface of the first connection pedal 213, the through hole facilitating both sides of the connection plate to ventilate and facilitating drainage, e.g., without water accumulating on the connection plate in rainy weather. Optionally, a non-slip protrusion may be provided on a top surface of the first connection pedal 213 for increasing a frictional force between the first connection pedal 213 and the user's foot (or sole). The second connecting pedal can also adopt the same structure as the first connecting pedal, namely comprises a flanging used for being connected with the third pedal and the fourth pedal, and is provided with a through hole and an anti-skid bulge.

Optionally, in the first pedal 21, the first pedal 211 is rotatably connected to one end of the first swing arm 231 through a rotating shaft, the second pedal 212 is rotatably connected to one end of the second swing arm 232 through a rotating shaft, when the first pedal 21 moves up and down, the first pedal 211 drives the first swing arm 231 to swing, and the second pedal 212 drives the second swing arm 232 to swing. In the second pedal 22, a third pedal is rotatably connected to one end of a third swing arm 233 via a rotation shaft, and a fourth pedal is rotatably connected to one end of a fourth swing arm 234 via a rotation shaft. When the second pedal 22 moves up and down, the third pedal drives the third swing arm 233 to swing, and the fourth pedal drives the fourth swing arm 234 to swing.

In an alternative embodiment, the front end of each swing arm is the front end, the rear end is the rear end, the front end of the first swing arm 231 is hinged to the frame 1, the rear end of the second swing arm 232 is hinged to the frame 1, the rear end of the third swing arm 233 is hinged to the frame 1, and the front end of the fourth swing arm 234 is hinged to the frame 1.

In an alternative embodiment, as shown in fig. 14 to 23, the reverse drive mechanism 3 comprises: the first transmission wheel 31, the second transmission wheel 32, the first reversing wheel 34, the first transmission chain 33, and the ratchet transmission mechanism 4 comprise a ratchet structure 41, a first pawl assembly 42 and a second pawl assembly 43. Wherein: ratchet structure 41 is connected with separation and reunion driving tooth 622 fixed connection, and ratchet structure 41 is used for driving separation and reunion driving tooth 622 and rotates. The first driving wheel 31 and the second driving wheel 32 are coaxially arranged, one end of a first driving chain 33 is in transmission connection with the first pedal 21, the other end of the first driving chain 33 is in transmission connection with the second pedal 22, the first driving wheel 31, the first reversing wheel 34 and the second driving wheel 32 are in transmission connection with the first driving chain 33 in sequence, and the first driving chain 33 is used for driving the first driving wheel 31 and the second driving wheel 32 to rotate in opposite directions. The first pawl assembly 42 includes a first forward pawl 421 and a first reverse pawl 422, the first forward pawl 421 and the first reverse pawl 422 are both rotatably mounted on the first driving wheel 31, the first forward pawl 421 is used for driving the ratchet structure 41 to rotate in the forward direction, and the first reverse pawl 422 is used for driving the ratchet structure 41 to rotate in the reverse direction. The second pawl assembly 43 includes a second forward pawl 431 and a second reverse pawl 432, the second forward pawl 431 and the second reverse pawl 432 are rotatably mounted on the second transmission wheel 32, the second forward pawl 431 is used for driving the ratchet structure 41 to rotate in the forward direction, and the second reverse pawl 432 is used for driving the ratchet structure 41 to rotate in the reverse direction. The ratchet structure 41 may include a first ratchet wheel having a first ratchet 411 and a second ratchet wheel having a second ratchet 412, the first ratchet and the second ratchet are coaxially disposed and fixedly connected, the first forward pawl 421 and the first reverse pawl 422 are configured to drive the first ratchet to rotate forward or reversely through the first ratchet 411, and the second forward pawl 431 and the second reverse pawl 432 are configured to drive the second ratchet to rotate forward or reversely through the second ratchet 412. The first ratchet wheel and the second ratchet wheel can be connected into an integral structure. Or, the ratchet structure 41 includes a wheel body, a first ratchet 411 and a second ratchet 412 are arranged on the wheel body, the first ratchet 411 and the second ratchet 412 are arranged on the wheel body in an axially staggered manner, the first forward pawl 421 and the first reverse pawl 422 are used for driving the wheel body to rotate forward or reversely through the first ratchet 411, and the second forward pawl 431 and the second reverse pawl 432 are used for driving the wheel body to rotate forward or reversely through the second ratchet 412.

Alternatively, as shown in fig. 22 and 23, fourth elastic members 423 are respectively disposed between the first forward pawl 421 and the first driving wheel 31 and between the first reverse pawl 422 and the first driving wheel 31, and the fourth elastic members 423 are used for driving the corresponding first forward pawl 421 or first reverse pawl 422 to swing for resetting. A fifth elastic member 433 is respectively arranged between the second forward pawl 431 and the second transmission wheel 32 and between the second reverse pawl 432 and the second transmission wheel 32, and the fifth elastic member 433 is used for driving the corresponding second forward pawl 431 or second reverse pawl 432 to swing so as to reset. As shown in fig. 22 to 25, optionally, a limit structure 434 is provided on each of the first forward pawl 421, the first reverse pawl 422, the second forward pawl 431 and the second reverse pawl 432, and one end of each of the fourth elastic member 423 and the fifth elastic member 433 is mounted at the corresponding limit structure 434.

Alternatively, the first pawl assembly 42 includes a first pawl stop and the second pawl assembly 43 includes a second pawl stop. The first pawl limiting part and the second pawl limiting part have the same structure and respectively comprise a limiting column 4351 and a limiting line 4352, the limiting column 4351 in the first pawl assembly 42 is adjustably connected with the first transmission wheel 31, and the limiting column 4351 in the second pawl assembly 43 is adjustably connected with the second transmission wheel 32. The first forward pawl 421, the first reverse pawl 422, the second forward pawl 431 and the second reverse pawl 432 are respectively provided with a limiting ring 436, a limiting column 4351 is positioned at one end of the limiting ring 436, one end of a limiting wire 4352 is connected with the limiting column 4351, the other end of the limiting wire 4352 penetrates through the limiting ring 436 and then is connected with a positioning block 4353, and the outer diameter of the positioning block 4353 is larger than the inner diameter of the limiting ring 436. In a possible embodiment, the number of the first pawl limiting members is one, the number of the limiting columns 4351 is one, the number of the limiting wires 4352 is two, the limiting columns 4351 are located between the first forward pawl 421 and the first reverse pawl 422, one limiting wire 4352 passes through the limiting ring 436 on the first forward pawl 421 and then is connected to the positioning block 4353, and the other limiting wire 4352 passes through the limiting ring 436 on the first reverse pawl 422 and then is connected to the positioning block 4353. Alternatively, in another possible embodiment, the number of the first pawl limiting members is two, and the first forward pawl 421 and the first reverse pawl 422 are respectively limited. The first pawl limiting member is configured to limit a swing angle range in which the first forward pawl 421 swings in a direction contacting the ratchet structure 41 and to limit a swing angle range in which the first reverse pawl 422 swings in a direction contacting the ratchet structure 41, so as to control a clutch state between the first forward pawl 421 and the ratchet structure 41 and to control a clutch state between the first reverse pawl 422 and the ratchet structure 41. The number of the second pawl limiting members is one, the number of the limiting posts 4351 is one, the number of the limiting wires 4352 is two, the limiting posts 4351 are located between the second forward pawl 431 and the second reverse pawl 432, one limiting wire 4352 passes through the limiting ring 436 on the second forward pawl 431 and then is connected with the positioning block 4353, and the other limiting wire 4352 passes through the limiting ring 436 on the second reverse pawl 432 and then is connected with the positioning block 4353. Alternatively, in another possible embodiment, the number of the second pawl limiting members is two for limiting the second forward pawls 431 and the second reverse pawls 432, respectively. The second pawl limiting member is configured to limit a swing angle range in which the second forward pawl 431 swings in a direction contacting the ratchet structure 41 and to limit a swing angle range in which the second reverse pawl 432 swings in a direction contacting the ratchet structure 41, thereby controlling a clutch state between the second forward pawl 431 and the ratchet structure 41 and controlling a clutch state between the second reverse pawl 432 and the ratchet structure 41.

Optionally, the first pawl assembly 42 includes a first axial limiting member 424, the second pawl assembly 43 includes a second axial limiting member 437, the first axial limiting member 424 is fixedly connected to the first transmission wheel 31, and the second axial limiting member 437 is fixedly connected to the second transmission wheel. The first axial limiting member 424 and the second axial limiting member 437 each include an arc-shaped sliding slot, the first forward pawl 421, the first reverse pawl 422, the second forward pawl 431 and the second reverse pawl 432 are each provided with a sliding block 425, the sliding blocks 425 extend into the corresponding arc-shaped sliding slots, the extension line of the arc-shaped sliding slots is in a plane perpendicular to the first driving wheel 31 or the second driving wheel 32, so that during the swing of the first forward pawl 421, the first reverse pawl 422, the second forward pawl 431 and the second reverse pawl 432, the sliding block 425 provided thereon slides in the corresponding arc-shaped sliding groove, that is, the arc-shaped sliding groove does not affect the swing of the first forward pawl 421, the first reverse pawl 422, the second forward pawl 431 and the second reverse pawl 432, but is limited in the axial direction of the first and second transmission shafts by the sliding block 425. The number of the first axial limiting members 424 may be one, and an arc sliding slot is respectively disposed on the first axial limiting members 424 corresponding to the first forward pawl 421 and the first backward pawl 422, or the number of the first axial limiting members 424 is two, one first axial limiting member 424 is disposed corresponding to the first forward pawl 421, and the other first axial limiting member 424 is disposed corresponding to the first backward pawl 422. The number of the second axial limiting members 437 may be one, and an arc sliding groove is respectively provided on the second forward pawl 431 and the second backward pawl 432, or the number of the second axial limiting members 437 is two, one second axial limiting member 437 is provided on the second forward pawl 431, and the other second axial limiting member 437 is provided on the second backward pawl 432.

Optionally, the first pawl assembly 42 includes a first pawl mounting seat 427, the second pawl assembly 43 includes a second pawl mounting seat 438, and the first forward pawl 421, the first reverse pawl 422, the fourth elastic member 423, the first pawl limiting member and the first axial limiting member 424 are all mounted on the first pawl mounting seat 427 and connected to the first driving wheel 31 through the first pawl mounting seat 427. The second forward pawl 431, the second reverse pawl 432, the fifth elastic member 433, the second pawl limiting member and the second axial limiting member 437 are all mounted on the second pawl mounting seat 438, and are connected with the second transmission wheel 32 through the second pawl mounting seat 438.

In a possible embodiment, as shown in fig. 26 to 30, the foot balance vehicle further includes a reversing mechanism, the reversing mechanism includes a reversing mounting seat 81, a reversing rotating shaft 82, a contact arm 83, a fourth shifting wire 84 and a friction component 85, the reversing mounting seat 81 is mounted on the vehicle frame 1, the reversing rotating shaft 82 is rotatably mounted on the reversing mounting seat 81, the contact arm 83 is fixed on the reversing rotating shaft 82, the contact arm 83 is connected with the friction component 85 through the fourth shifting wire 84, the friction component 85 is rotatably connected to the vehicle frame 1, the friction component 85 is used for being in friction contact with the first wheel 11 or the second wheel 12, the contact arm 83 is used for pushing the first forward pawl 421 and the second forward pawl 431 to turn in the first triggering position, and the contact arm 83 is used for pushing the first reverse pawl 422 and the second reverse pawl 432 to turn in the second triggering position. The friction component 85 is driven by the wheel to drive the contact arm 83 to swing to the first contact position or the second contact position through the fourth shifting wire 84. In the process of rotating the first wheel 11 or the second wheel 12, the friction component 85 is driven to swing through friction with the friction component 85, so that the contact arm 83 is driven to swing relative to the reversing mounting seat 81 through the fourth shifting wire 84, and the contact arm 83 is driven to swing to the first touch position or the second touch position.

Optionally, the reversing mechanism further comprises a manual gear shifting assembly, the manual gear shifting assembly comprises two fixed columns 861, a dial 862, a sixth elastic member 863, a second wire shifting handle 88 and a fifth wire shifting 864, the dial 862 is rotatably mounted on the reversing mounting seat 81, the number of the fixed columns 861 is two, the two fixed columns 861 are spaced and fixedly mounted on the contact arm 83, the dial 862 extends between the two fixed columns 861, and the sixth elastic member 863 is connected between the dial 862 and the reversing mounting seat 81 and used for enabling the dial 862 to reset. One end of the fifth wire 864 is connected to the pulling lever 862, the other end is connected to the second wire-pulling handle 88, the pulling of the second wire-pulling handle 88 can pull the pulling lever 862 to swing by operating the fifth wire 864, and the pulling lever 862 swings to push one of the fixed posts 861, so as to drive the touch arm 83 to swing to the first touch position or the second touch position.

Optionally, a touching member 426 is disposed on each of the first forward pawl 421, the first reverse pawl 422, the second forward pawl 431 and the second reverse pawl 432, and the touching member 426 is configured to contact the contact arm 83.

Optionally, the contact arm 83 includes two inclined surfaces that are inclined to each other and meet each other, and the two inclined surfaces form a V-shaped notch, so that when the contact member 426 moves along one of the inclined surfaces, the corresponding first forward pawl 421, the corresponding first reverse pawl 422, the corresponding second forward pawl 431, or the corresponding second reverse pawl 432 is turned over.

Optionally, a first amplitude modulation 811 and a second amplitude modulation 812 are disposed on the reversing mounting base 81, and the first amplitude modulation 811 and the second amplitude modulation 812 are respectively disposed on two sides of the touch arm 83 to define a swing angle range of the touch arm 83. As shown in the figure, the first amplitude modulation member 811 and the second amplitude modulation member 812 are both eccentric cylinder structures, and are connected with the reversing mounting seat 81 through a locking structure, which may be a bolt, and after the bolt is loosened, the eccentric cylinder may be rotated, so that the distance between the outer contour surface of the eccentric cylinder and the contact arm 83 is changed, and thus the swing angle range of the contact arm 83 may be adjusted within a certain range.

Optionally, the friction assembly 85 includes a friction swing arm and a friction block 852, the friction block 852 being mounted on the friction swing arm, the friction swing arm being rotatably connected with the frame 1. Be provided with location axle 13 on frame 1, the one end of friction swing arm is rotated with location axle 13 and is connected, for example, includes lantern ring 8511 and armed lever 8512 at the friction swing arm, and armed lever 8512 links to each other with the lantern ring 8511, and armed lever 8512 slope is in the radial extension setting of lantern ring 8511, and lantern ring 8511 passes through the bearing and is rotated with location axle 13 and be connected. A set of adjusting nuts 14 is arranged on the positioning shaft 13, and specifically includes two adjusting nuts 14, the two adjusting nuts 14 are respectively located on two sides of the sleeve 8511, and by adjusting the positions of the two adjusting nuts 14, on one hand, the friction swing arm and the sleeve 8511 can be relatively limited, and on the other hand, the axial position of the sleeve 8511 on the positioning shaft 13 can be changed, so that the friction force between the friction block 852 and the corresponding first wheel 11 or second wheel 12 is adjusted.

Optionally, the one end of the fourth shifting wire 84 and the arm 8512 of the friction swing arm are fixedly connected, a spool is sleeved outside the fourth shifting wire 84, one end of the spool close to the friction swing arm is connected with the frame 1 through the shifting wire fixing seat 87, the shifting wire fixing seat 87 comprises a first connecting arm 871, a second connecting arm 872 and a third connecting arm 873, one end of the first connecting arm 871 is connected with the frame 1, the positioning shaft 13 is specifically connected with the frame 1 through the positioning shaft, one end of the second connecting arm 872 is connected with the other end of the first connecting arm 871 through the first angle adjusting piece 874, the other end of the second connecting arm 872 is connected with the third connecting arm 873 through the second angle adjusting piece 875, and the third connecting arm 873 is connected with the spool. Through first angle adjustment piece 874 and second angle adjustment piece 875, can change the angle between first linking arm 871 and the second linking arm 872 to and the angle between second linking arm 872 and the third linking arm 873, thereby make the tip of spool to the direction removal that is close to or keeps away from the friction swing arm, thereby adjust the position of dialling the line to a certain extent, with the regulation touch arm 83 swing sensitivity. The first and second angle-

adjustment members

874, 875 can each be a bolt.

Alternatively, a long hole is provided on the third connecting arm 873 for mounting the second angle-adjusting member 875, so that the relative position between the third connecting arm 873 and the second connecting arm 872 in the long-axis direction of the long hole can be adjusted within a certain range.

Optionally, the pedal balance vehicle further includes a linkage mechanism, the linkage mechanism includes a first linkage assembly, the first linkage assembly includes a second driving chain 711, a first guide wheel 712 and a second reversing wheel 713, the first guide wheel 712 is rotatably mounted on the frame 1 and is used for supporting the second driving chain 711, one end of the second driving chain 711 is connected to one side of the first pedal 21, the second driving chain 711 is reversed by the second reversing wheel 713, and the other end of the second driving chain 711 is connected to the other side of the first pedal 21, the connection areas of the second driving chain 711 and the two sides of the first pedal 21 are arranged at intervals relative to the front-back direction of the pedal balance vehicle, and the connection line between the two ends of the second driving chain 711 is perpendicular to the front-back direction. The second driving chain 711 is used to pull the side of the first foothold 21 connected thereto upward and the other side of the first foothold 21 connected thereto downward. So configured, the two sides of the first foothold 21 can be moved synchronously during the up and down movement by the first linkage assembly. Specifically, both ends of the second driving chain 711 may be connected to both sides of the first pedal 21 through the first swing arm 231 and the second swing arm 232, respectively.

As shown in fig. 14, 15, 17 and 31, optionally, the linkage mechanism includes a second linkage assembly, the second linkage assembly includes a third transmission chain 721, a second guide wheel 722 and a third reversing wheel 723, the second guide wheel 722 is rotatably mounted on the frame 1 and is used for supporting the third transmission chain 721, one end of the third transmission chain 721 is connected with one side of the second pedal 22, the third transmission chain 721 is reversed by the third reversing wheel 723, and the other end thereof is connected with the other side of the second pedal 22, the connection regions of the third transmission chain 721 and the two sides of the second pedal 22 are arranged at intervals relative to the front-back direction of the balancing scooter, and the connection line between the two ends of the third transmission chain 721 is perpendicular to the front-back direction. The third transmission chain 721 is used for pulling the one side of the second foothold 22 connected thereto upward and the other side of the second foothold 22 connected thereto upward. With this arrangement, the two sides of the second pedals 22 can be moved synchronously by the second linkage assembly during the up and down movement. Specifically, both ends of the third driving chain 721 may be connected to both sides of the first pedal 21 through the third swing arm 233 and the fourth swing arm 234, respectively.

Optionally, the linkage mechanism includes a third linkage assembly, the third linkage assembly includes a fourth transmission chain 731 and a third guide wheel 732, one end of the fourth transmission chain 731 is connected to the first pedal 21, the other end is connected to the second pedal 22, and the third guide wheel 732 is used for supporting the fourth transmission chain 731, and the arrangement is such that when the first pedal 21 moves upwards, the second pedal 22 moves downwards under the driving of the fourth transmission chain 731, and when the second pedal 22 moves upwards, the first pedal 21 moves downwards under the driving of the fourth transmission chain 731, so as to ensure the first pedal 21 and the second pedal 22 to reciprocate upwards and downwards. Specifically, one end of the fourth transmission chain 731 is connected to the first swing arm 231, and the other end of the fourth transmission chain 731 is connected to the fourth swing arm 234, and two ends of the fourth transmission chain 731 are respectively used for pulling the first swing arm 231 to move downwards and the fourth swing arm 234 to swing downwards. Further, a first chain adjuster 734 is connected between the fourth transmission chain 731 and the first pedal 21, and the first chain adjuster 734 is used for adjusting the tension of the fourth transmission chain 731.

As shown in fig. 1 and 32, in a possible embodiment, the foot balance further includes a pedal limiting member 15, the pedal limiting member 15 is mounted on the frame 1, the pedal limiting members 15 are respectively disposed corresponding to the first pedal 211 and the second pedal 212, and the pedal limiting member 15 can be disposed below the first pedal 211 and the second pedal 212. Alternatively, the pedal stoppers 15 are provided below the first swing arm 231, the second swing arm 232, the third swing arm 233, and the fourth swing arm 234, respectively. The pedal stoppers 15 are used to limit the lowest positions of the first pedal 211 and the second pedal 212 after moving downward. The pedal position-limiting member 15 can be made of rubber, or a head made of rubber is added to a cylinder made of rigid material. This provides a degree of cushioning for first pedal 211 and second pedal 212.

As shown in fig. 32 to 34, in a possible implementation manner, the step balance bike further includes a brake mechanism, the brake mechanism includes a brake assembly 92, the brake assembly 92 includes a brake pad 921, a brake piece 922, a brake pulling wire 923 and a brake handle 924, one end of the brake pulling wire 923 is connected to the brake handle 924, the brake pulling wire 923 is used to actuate the brake piece 922 to lock the brake piece 921, and the brake piece 921 is fixedly mounted on the first wheel 11 or the second wheel 12, so that the first wheel 11 or the second wheel 12 can be locked by locking the brake piece 921 for braking. The brake piece 922 can be clamping structure, can the centre gripping or loosen brake block 921, and under its initial condition, clamping structure loosens brake block 921, and brake block 921 rotates along with first wheel 11 or second wheel 12 of being connected with it, behind pulling brake dial line 923, brake dial line 923 drives clamping structure centre gripping brake block 921 to locking brake block 921, with first wheel 11 or second wheel 12 of locking and brake block 921 are connected. Only one brake assembly 92 may be provided on the step balance car, or two brake assemblies 92 may be provided such that one brake assembly 92 is used for locking operation of the first wheel 11 and the other brake assembly 92 is used for locking operation of the second wheel 12. Brake lever 924 is removably mounted to frame 1 and, in use, is separable from frame 1 to facilitate a pulling operation. For example, a limiting groove may be formed on the frame 1, and the brake lever 924 may be set up at the limiting groove.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims

1. Pedal balance car, its characterized in that: the method comprises the following steps:

a frame;

2. The foot balance of claim 1, wherein:

the differential mechanism includes:

a differential housing, inside which a first differential gear is rotatably mounted,

a first differential shaft in transmission connection with the first wheel for driving the first wheel to rotate, one end of the first differential shaft extending into the differential housing and provided with a second differential gear,

a second differential shaft in transmission connection with the second wheel for driving the second wheel to rotate, wherein one end of the second differential shaft extends into the differential housing and is provided with a third differential gear, the second differential gear and the third differential gear are respectively meshed with two sides of the first differential gear,

a locking assembly disposed between the frame and the differential housing, the locking assembly for locking or unlocking the differential housing to or from the frame;

the clutch mechanism includes:

a first engaging member fixedly connected to the differential case,

a second engaging piece fixedly connected with the first differential shaft, wherein a clutch gap is formed between the second engaging piece and the first engaging piece,

a clutch wheel seat in transmission connection with the ratchet transmission mechanism, wherein the clutch wheel seat is sleeved outside the first meshing piece and the second meshing piece,

a third engaging component which is assembled on the clutch wheel seat in a sliding way, a clutch engaging tooth is arranged on the third engaging component,

the clutch shifting piece is used for shifting the third engaging piece, so that the clutch engaging piece is positioned in the clutch gap, or the clutch engaging piece is engaged with the first engaging piece, or the clutch engaging piece is engaged with the second engaging piece.

3. The foot balance of claim 2, wherein: one end of the differential housing is provided with an extension cylinder, the extension cylinder is communicated with an inner cavity of the differential housing, and the locking assembly comprises:

the sleeve part is sleeved on the outer side of the extension cylinder and fixedly connected with the extension cylinder, locking teeth are arranged on the periphery of the sleeve part at intervals, and locking clamping grooves are formed between the adjacent locking teeth;

a locking pawl rotatably mounted to the frame;

the first shifting wire is used for driving the locking claw to swing so as to extend into the locking clamping groove;

the first elastic piece is connected with the locking claw and used for driving the locking claw to rotate so as to be separated from the locking clamping groove;

and the second elastic piece is connected with the locking clamping jaw and is used for driving the locking clamping jaw to rotate so as to extend into the locking clamping groove.

4. The foot balance of claim 3, wherein: the third engaging part comprises a shifting sheet and a clutch tooth connected with the shifting sheet; the clutch toggle piece comprises:

a toggle seat with one end rotationally connected with the frame,

the group of shifting teeth are arranged on the other side of the shifting seat, each group of shifting teeth respectively comprises two shifting teeth which are arranged at intervals, and the two shifting teeth are respectively positioned on two sides of the shifting piece;

and the second wire poking device is connected with the poking seat and used for driving the poking seat to swing.

5. The foot balance of claim 2, wherein:

the reverse drive mechanism includes: the first transmission wheel is coaxially arranged with the first transmission wheel, the first transmission chain is connected with the first transmission wheel and the second transmission wheel, the first reversing wheel is used for supporting the first transmission chain, one end of the first transmission chain is connected with the first pedal, and the other end of the first transmission chain is connected with the second pedal;

the clutch mechanism further comprises a clutch transmission chain, the clutch transmission chain is in transmission connection with the clutch wheel seat and is in transmission connection with clutch transmission teeth, and the clutch transmission teeth are in transmission connection with the ratchet wheel transmission mechanism;

the ratchet drive mechanism includes: with the ratchet structure that the transmission of separation and reunion driving tooth is connected, with first pawl subassembly that first drive wheel is connected, and with the second pawl subassembly that the second drive wheel is connected, wherein:

the first pawl assembly comprises a first forward pawl and a first reverse pawl which are respectively and rotatably mounted on the first driving wheel, the first forward pawl is used for driving the ratchet structure to rotate in the forward direction, and the first reverse pawl is used for driving the ratchet structure to rotate in the reverse direction;

the second pawl assembly comprises a second forward pawl and a second reverse pawl which are respectively and rotatably arranged on the second transmission wheel, the second forward pawl is used for driving the ratchet structure to rotate in the forward direction, and the second reverse pawl is used for driving the ratchet structure to rotate in the reverse direction.

6. The foot balance of claim 5, wherein: the pedal balance car still includes reversing mechanism, reversing mechanism includes:

the reversing mounting seat is fixedly mounted on the frame;

the reversing rotating shaft is rotatably arranged on the reversing mounting seat;

the contact arm is fixed on the reversing rotating shaft;

a fourth shifting wire connected with the contact arm;

the friction component is connected with the fourth shifting wire and is rotationally connected with the frame, and the friction component is used for swinging to a first touch position or a second touch position under the friction of the first wheel or the second wheel corresponding to the friction component; the contact arm is used for pushing the first forward pawl and the second forward pawl to turn over to be separated from the ratchet structure in the first touch position, and the contact arm is used for pushing the first reverse pawl and the second reverse pawl to turn over to be separated from the ratchet structure in the second touch position.

7. The foot balance of claim 6, wherein: the frame is provided with a positioning shaft, the friction assembly comprises a friction swing arm and a friction block, the friction swing arm comprises a sleeve ring and an arm rod, the arm rod is connected with the sleeve ring and is inclined to the radial extension of the sleeve ring, the sleeve ring is rotatably connected with the positioning shaft, and the friction block is arranged on the arm rod; and the positioning shaft is provided with an adjusting nut on two sides of the lantern ring respectively.

8. The step balance vehicle of claim 7, wherein: the one end of fourth dialling the line with arm lever fixed connection, the fourth dialling the line overcoat and being equipped with the spool, the spool is close to in the one end of arm lever through dialling line fixing base and connected with the frame, reversing mechanism is still including dialling the line fixing base, it includes first linking arm, second linking arm and third linking arm to dial the line fixing base, the one end of first linking arm with frame fixed connection, the one end of second linking arm through first angle modulation with the other end of first linking arm is connected, the other end of second linking arm is connected with the third linking arm through second angle modulation, the third linking arm with the spool is connected, first angle modulation is used for adjusting first linking arm with the angle between the second linking arm, second angle modulation is used for adjusting the angle between second linking arm with angle between the third linking arm, so that the end of the conduit moves toward or away from the arm.

9. The foot balance of claim 2, wherein: the first pedals comprise first pedals, second pedals and first connecting pedals, the first pedals and the second pedals are arranged at intervals in the forward direction of the pedal balance car, and the first connecting pedals are positioned on the top surfaces of the first pedals and the second pedals and are respectively connected with the first pedals and the second pedals;

the second pedals comprise third pedals, fourth pedals and second connecting pedals, the third pedals and the fourth pedals are arranged in the front-back direction of the pedal balance car at intervals, and the second connecting pedals are located on the top surfaces of the third pedals and the fourth pedals and are respectively connected with the third pedals and the fourth pedals.

10. The foot balance of claim 9, wherein: the pedal balance vehicle also comprises a linkage mechanism,

the linkage mechanism includes a first linkage assembly, the first linkage assembly including: the first guide wheel is rotatably mounted on the frame and used for supporting the second transmission chain, one end of the second transmission chain is connected with one side of the first pedal, the second transmission chain is rotated backwards through the second reversing wheel, and the other end of the second transmission chain is connected with the other side of the first pedal; and/or the presence of a gas in the gas,

the linkage mechanism comprises a second linkage assembly, the second linkage assembly comprises a third transmission chain, a second guide wheel and a third reversing wheel, the second guide wheel is rotatably mounted on the frame and used for supporting the third transmission chain, one end of the third transmission chain is connected with one side of the second pedal, the third transmission chain is rotated backwards through the third reversing wheel, and the other end of the third transmission chain is connected with the other side of the second pedal; and/or the presence of a gas in the gas,

the linkage mechanism comprises a third linkage assembly, the third linkage assembly comprises a fourth transmission chain and a third guide wheel, one end of the fourth transmission chain is connected with the first pedal, the other end of the fourth transmission chain is connected with the second pedal, and the third guide wheel is used for supporting the fourth transmission chain.