CN210310700U - Light three-wheel body-building vehicle for old people - Google Patents

Abstract

The portable three-wheel exercise bike for the old comprises a bike basket, a front fork, front wheels, a bike frame, a steel folding chair, two rear wheels, a rear wheel shaft, a middle shaft, a chain wheel, pedals, a chain, a bike fly, a band-type brake, an operating rod, a handle and a brake lever. The front fork is provided with a rocker arm, two rear wheels are arranged on two sides of a seat, an operating rod is arranged on one side of the seat, the operating rod is provided with the rocker arm, and the upper rocker arm of the front fork and the upper rocker arm of the operating rod are connected through a connecting rod to realize the linkage of the operating rod and the front wheels. The whole car is small and exquisite, light, convenient operation takes comfortablely, and driving safety is applicable to the old person.

Description

Light three-wheel body-building vehicle for old people

The technical field is as follows:

the utility model relates to a tricycle.

Background art:

there are two main types of manpower tricycle, one is truck, and in order to bring goods, there is a loading car hopper behind it. The other type is used by passengers, wherein the passengers pedal the bicycle and are provided with seats for passengers. These vehicles are bulky and heavy. There are about thirty people among the general population, can not ride two-wheeled bicycle, can not go out, ride tricycle freight train, and in fact he does not want to take goods, just rides alone. Especially, the old people are not suitable for riding the two-wheel bicycle. The cushion is small and uncomfortable for a person to sit.

The utility model has the following contents:

the utility model aims to provide a small and exquisite light small tricycle which can be ridden by one person for clients. People sit in the chair and lean against the bicycle, so that the chair is comfortable and easy to relax. In order to solve the existing problem of the background art, the utility model adopts the following technical scheme: the tricycle is similar to the existing tricycle in that a steel folding chair is used, two rear wheels are arranged on two sides of the steel folding chair, and the middle of the steel folding chair is connected by a rear shaft. Three holes are drilled on two cross beams of the front leg of the front steel folding chair to manufacture a special frame, three bolts are arranged at the rear end of the frame and inserted into the three holes to be fixed by double nuts, so that the tightness of a chain can be adjusted. The middle axle, chain wheel and pedal are installed in the middle of the frame, the rear axle is provided with the car fly, the chain wheel and the car fly are connected through a chain, the front end of the frame is provided with the front fork and the front wheel, and the basket is installed above the front wheel. The direction is controlled by an operating rod instead of a handlebar. The operating rod is in a shape of 7, a handle and a brake lever are horizontally arranged on the upper surface of the operating rod to the front end, the operating rod is connected with a band-type brake arranged on a rear wheel shaft through a brake cable, the operating rod is fixed on the side surface of the seat through two operating rod joints in the vertical direction, a rocker arm is arranged at the lower end of the operating rod, a rocker arm is arranged on the front fork and is connected through a connecting rod, and the operating rod is linked with the front wheel so as to realize steering operation.

A person sits in the chair to kick the bicycle, and holds the operating rod to control the direction. The bicycle is comfortable to rest with a backrest, has low center of gravity and safe driving, and is particularly suitable for the old.

Description of the drawings:

fig. 1 is a schematic structural view of the utility model observed from the left front side, fig. 2 is a schematic structural view of the utility model observed from the right rear side, fig. 3 is a schematic structural view of the utility model frame, chain wheel, pedal, fig. 4 is a schematic structural view of the utility model discloses front fork and rocking arm ②, fig. 5 is a schematic structural view of the utility model discloses action bars and rocking arm ①, fig. 6 is a schematic structural view of the utility model discloses action bars top connection, fig. 7 is a schematic structural view of the utility model discloses action bars lower junction, fig. 8 is a schematic structural view of the utility model discloses left rear wheel axle support, fig. 9 is a schematic structural view of the utility model discloses right rear wheel axle support, fig. 10 is the utility model discloses rear wheel axle, car flyseat, band-type brake seat.

The specific implementation mode is as follows:

referring to the attached drawings, a front fork 18 and a rocker 16 are manufactured, a frame 2 is provided with an operating rod 7, a rear wheel shaft support left 9 and right 3, an operating rod upper joint 19, a lower joint 21, a connecting rod 15, an outsourcing basket, a handle 5, a brake lever 6, a steel folding chair 8, a small three-wheel rear shaft, a rear wheel left and right, a front wheel, a chain, a flywheel, a band brake seat, a flywheel seat, a five-piece sleeve and a bearing are manufactured, the front fork is arranged in the frame through the five-piece sleeve, the front wheel is arranged, the left and right rear wheel shaft supports are fixed on two sides of a seat through bolts and nuts, two ends of the rear wheel shaft are inserted into the left and right rear wheel shaft supports, the rear wheel is arranged, the operating rod upper joint 19 and the lower joint 21 are fixed on a seat backrest and a rear foot through the bolts and the nuts, the rocker ① is arranged, three bolts 27, 28 and 29 at the rear end of the frame are inserted into three holes on a front foot cross beam and fixed through the connecting rod 15, the connecting rod is connected through the connecting rod, the middle shaft, the brake lever, the brake handle is arranged.

Claims (1)

1. A light three-wheel exercise bike for old people is composed of basket, front fork, front wheel, frame, central axle, chain wheel, pedal, chain, fly, two back wheels, back wheel axle, chair, operating rod and rocker arm-connecting rod.

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