CN214565982U

CN214565982U - Foot-operated helping hand scooter

Info

Publication number: CN214565982U
Application number: CN202121022790.5U
Authority: CN
Inventors: 何卫东
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-11-02
Anticipated expiration: 2031-05-13

Abstract

The utility model relates to a toy car technical field, concretely relates to foot-operated helping hand scooter, this scooter include the automobile body and locate the wheel of automobile body, the scooter still includes assist drive device, assist drive device includes driving piece, first driving part, second driving part and pawl, the driving piece rotates and sets up in the automobile body and is used for driving first driving part and takes the second driving part to rotate, the pawl rotates and sets up in the second driving part; and a ratchet wheel is arranged on one end face of the wheel, and the pawl is meshed with the ratchet wheel. An object of the utility model is to provide a foot-operated helping hand scooter has solved the problem that the scooter can't obtain power behind the pedal ground.

Description

Foot-operated helping hand scooter

Technical Field

The utility model relates to a toy car technical field, concretely relates to foot-operated helping hand scooter.

Background

The scooter on the market is various nowadays, but most of them all use the foot to step on the ground to obtain power. The traditional scooter for obtaining power not only consumes physical power, but also can not reach the ideal speed, thereby greatly reducing the interest of users on the scooter.

Disclosure of Invention

In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a foot-operated helping hand scooter has solved the problem that the scooter can't obtain power behind the pedal ground.

The utility model discloses a realize through following technical scheme:

a foot-operated power-assisted scooter comprises a scooter body, wheels arranged on the scooter body, and a power-assisted mechanism, wherein the power-assisted mechanism comprises a driving piece, a first transmission piece, a second transmission piece and a pawl, the driving piece is rotationally arranged on the scooter body and used for driving the first transmission piece to drive the second transmission piece to rotate, and the pawl is rotationally arranged on the second transmission piece; and a ratchet wheel is arranged on one end face of the wheel, and the pawl is meshed with the ratchet wheel.

The first transmission piece comprises a rack, the second transmission piece comprises a gear, a first synchronous wheel, a synchronous belt, a second synchronous wheel and a connecting plate, the rack is arranged on the driving piece, and the rack is meshed with the gear; the gear and the first synchronous wheel rotate coaxially, and the first synchronous wheel is connected with the vehicle body in a rotating manner; the second synchronizing wheel is rotatably arranged on a wheel shaft of the wheel, the connecting plate and the second synchronizing wheel rotate coaxially, and the pawl is rotatably arranged on the connecting plate; the synchronous belt is in transmission connection with the first synchronous wheel and the second synchronous wheel respectively.

The scooter is characterized by further comprising a reset piece arranged in the scooter body, and the reset piece is used for resetting the driving piece.

The reset piece is a torsion spring, and the torsion spring is arranged at the joint of the driving piece and the vehicle body.

The connecting plate is of a diamond structure, the number of the pawls is two, and the two pawls are respectively arranged at two ends of the connecting plate.

The utility model has the advantages that:

the problem of scooter can't obtain power behind the pedal ground is solved: the utility model discloses a foot-operated helping hand scooter, through being provided with assist drive device, after people's pedal ground obtains power, through stepping on and pressing the driving piece, the driving piece passes through first driving medium and second driving medium transmission to the pawl that is located the wheel, acts on the ratchet by the pawl and makes the wheel carry out one-way rotation to need not to lean on again and pedal ground in order to obtain power, made things convenient for the utility model discloses an use has increased the user simultaneously and has used the utility model discloses an interest.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic structural view of the assist mechanism.

Reference numerals

The bicycle comprises a bicycle body-101, wheels-102, a ratchet-103, a power assisting mechanism-200, a driving piece-201, a first transmission piece-202, a second transmission piece-203, a pawl-204, a rack-205, a gear-206, a first synchronous wheel-207, a synchronous belt-208, a second synchronous wheel-209, a connecting plate-210 and a resetting piece-300.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

It should be noted that the structures shown in the drawings are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the practical limitations of the present invention, so that the modifications or adjustments of any structure do not have the essential meaning in the art, and the technical contents disclosed in the present invention should still fall within the scope that the functions and the achievable objects of the present invention can be achieved without affecting the present invention.

As shown in fig. 1 and fig. 2, a foot-operated power-assisted scooter comprises a scooter body 101, wheels 102 arranged on the scooter body 101, and a power-assisted mechanism (200), wherein the power-assisted mechanism (200) comprises a driving part 201, a first transmission part 202, a second transmission part 203 and a pawl 204, the driving part 201 is rotatably arranged on the scooter body 101 and is used for driving the first transmission part 202 to drive the second transmission part 203 to rotate, and the pawl 204 is rotatably arranged on the second transmission part 203; one end face of the wheel 102 is provided with a ratchet wheel 103, and the pawl 204 is meshed with the ratchet wheel 103.

Specifically, the utility model discloses a foot-operated helping hand scooter, through being provided with assist drive device (200), after people's pedal ground obtains power, through stepping on and pressing driving piece 201, driving piece 201 is through first driving medium 202 and the transmission of second driving medium 203 to the pawl 204 that is located wheel 102, acts on ratchet 103 by pawl 204 and makes wheel 102 carry out one-way rotation to need not to lean on again to pedal ground in order to obtain power, made things convenient for the utility model discloses an use has increased the user simultaneously and has been to the use the utility model discloses an interest.

During actual use, the upper end of the driving part 201 adopts an arc design, so that people can conveniently step on the driving part, and the lower part of the driving part 201 is subjected to clearance treatment, so that other parts can be abducted when the driving part 201 is pressed down; the ratchet 103 is designed to be recessed into the wheel 102, so as to save the floor space of the power assisting mechanism 200. Preferably, the assist mechanism 200 acts on the rear wheel in accordance with the pedaling habit of a person, and therefore the assist mechanism 200 of the present embodiment is attached to the rear portion of the vehicle body 101.

Specifically, the first transmission member 202 includes a rack 205, the second transmission member 203 includes a gear 206, a first synchronous wheel 207, a synchronous belt 208, a second synchronous wheel 209 and a connecting plate 210, the rack 205 is disposed on the driving member 201, and the rack 205 is engaged with the gear 206; the gear 206 and a first synchronous wheel 207 rotate coaxially, and the first synchronous wheel 207 is connected with the vehicle body 101 in a rotating way; the second synchronizing wheel 209 is rotatably arranged on the axle of the wheel 102, the connecting plate 210 rotates coaxially with the second synchronizing wheel 209, and the pawl 204 is rotatably arranged on the connecting plate 210; the synchronous belt 208 is respectively connected with a first synchronous wheel 207 and a second synchronous wheel 209 in a transmission way. In this embodiment, the diameter of the first synchronizing wheel 207 is preferably larger than the diameter of the second synchronizing wheel 209, and the first synchronizing wheel 207, the synchronizing wheel, and the second synchronizing wheel 209 are engaged with each other to realize a higher torque ratio than when the rack 205 directly acts on the gear 206, thereby increasing the travel distance of the entire scooter after the stepping assistance mechanism 200.

Specifically, the scooter further comprises a reset piece 300 arranged in the scooter body 101, wherein the reset piece 300 is used for resetting the driving piece 201, and the rebound of the driving piece 201 after treading is realized by arranging the reset piece 300 and utilizing the one-way rotation principle of the ratchet wheel 103 so as to facilitate the next treading; preferably, the reset member 300 is a torsion spring, and the torsion spring is disposed at the connection position of the driving member 201 and the vehicle body 101.

Specifically, the connecting plate 210 is a diamond structure, the number of the pawls 204 is two, and the two pawls 204 are respectively disposed at two ends of the connecting plate 210. In practice, one pawl 204 and two pawls 204 can drive the wheel 102, and the two sets of pawls 204 can reduce the stress on a single pawl 204 and increase the service life of the pawl 204.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a foot-operated helping hand scooter, includes automobile body (101) and locates wheel (102) of automobile body (101), its characterized in that: the scooter further comprises a power-assisted mechanism (200), the power-assisted mechanism (200) comprises a driving piece (201), a first transmission piece (202), a second transmission piece (203) and a pawl (204), the driving piece (201) is rotatably arranged on the scooter body (101) and used for driving the first transmission piece (202) to drive the second transmission piece (203) to rotate, and the pawl (204) is rotatably arranged on the second transmission piece (203);

one end face of the wheel (102) is provided with a ratchet wheel (103), and the pawl (204) is meshed with the ratchet wheel (103).

2. The foot-operated power-assisted scooter of claim 1, wherein: the first transmission piece (202) comprises a rack (205), the second transmission piece (203) comprises a gear (206), a first synchronous wheel (207), a synchronous belt (208), a second synchronous wheel (209) and a connecting plate (210), the rack (205) is arranged on the driving piece (201), and the rack (205) is meshed with the gear (206); the gear (206) and a first synchronous wheel (207) rotate coaxially, and the first synchronous wheel (207) is connected with the vehicle body (101) in a rotating mode; the second synchronous wheel (209) is rotatably arranged on the wheel shaft of the wheel (102), the connecting plate (210) and the second synchronous wheel (209) rotate coaxially, and the pawl (204) is rotatably arranged on the connecting plate (210); the synchronous belt (208) is respectively connected with the first synchronous wheel (207) and the second synchronous wheel (209) in a transmission way.

3. The foot-operated power-assisted scooter of claim 1, wherein: the scooter is still including locating reset piece (300) in automobile body (101), reset piece (300) are used for restoring to the throne driving piece (201).

4. The foot-operated power-assisted scooter of claim 3, wherein: the reset piece (300) is a torsion spring, and the torsion spring is arranged at the joint of the driving piece (201) and the vehicle body (101).

5. The foot-operated power-assisted scooter of claim 2, wherein: the connecting plate (210) is of a diamond structure, the number of the pawls (204) is two, and the two pawls (204) are respectively arranged at two ends of the connecting plate (210).