CN2505395Y

CN2505395Y - Gear ring type bicycle

Info

Publication number: CN2505395Y
Application number: CN 01275943
Authority: CN
Inventors: 张孟杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-12-06
Filing date: 2001-12-06
Publication date: 2002-08-14
Anticipated expiration: 2011-12-06

Abstract

The utility model relates to a gear ring type bicycle, which is mainly characterized in that a gear ring is directly fixed on the steel rim arranged at the inside of a bicycle tyre or is made into a whole with the rim; a driver meshes with a protruding shaft extending out downwards to drive the protruding shaft; moreover, the gear formed on the head of the protruding shaft meshes with the gear arranged on the gear ring. The utility model has simple structure, novel design, small starting resistance and fast starting speed and is electricity-saving along with small sine-transfer current and prolonged service life of battery and motor; moreover, the motor is arranged at the upper part of the bicycle, thereby having good waterproof performance.

Description

The gear ring type bicycle

Technical field

The utility model relates to the Electrical Bicycle field, especially a kind of gear ring type bicycle.

Background technology

In the market the Electrical Bicycle of production and selling all be motor be installed in bicycle front and back wheel the axle on.The Electrical Bicycle water resistance of this structure is poor, and starting resistance is big, and consumption of current is big, causes battery life short, thereby in addition because locked rotor current has influenced the service life of motor greatly.

Summary of the invention

The purpose of this utility model is to overcome the deficiency of prior art, provides a kind of simple in structure, and futuramic Electrical Bicycle can effectively improve the Electrical Bicycle water resistance, reduces starting resistance, prolongs the service life of motor.

Frame mode of the present utility model is as follows:

Gear ring directly be packed in car band inboard the steel rim or with the rim integral production, DC machine and driver thereof directly are packed on the bicycle on the vehicle frame, DC machine drives the driver transmission, driver engagement drives the axle that leans out that stretches out downwards, and this leans out the made gear of shaft head and is meshed with gear on the gear ring.

The axle that leans out that described driver stretches out has two, and is positioned at rim both sides and gear ring synchromesh, and the driven in synchronism gear ring rotates.DC machine and driver are packed in the rear portion of vehicle frame on the bicycle, also can be packed in the front portion of vehicle frame.

Advantage of the present utility model is as follows:

1. the bicycle starting resistance is little, starts soon power saving; 2. it is little to cross the commentaries on classics electric current, has prolonged the service life of battery and motor; 3. motor is installed in the top of bicycle, water resistance is good; 4. simple in structure, modern design.

Description of drawings

Fig. 1 is an overall structure scheme drawing of the present utility model;

Fig. 2 leans out the scheme drawing that axle drives gear ring for the utility model;

Fig. 3 is the lateral plan of Fig. 2.

The specific embodiment is described in further detail the utility model embodiment below in conjunction with accompanying drawing:

The skew girder of vehicle frame place of bicycle 2 is fixed with storage battery 1, and the rear portion of last vehicle frame is fixed with DC machine 6 and driver 3 by fixed mount 9.(only provided DC machine and driver constructional drawing in the accompanying drawing of present embodiment at last vehicle frame rear portion, because of mounting structure similar, as long as DC machine and driver are packed in the front portion of vehicle frame).Fixed mount can install with vehicle frame welding or bolt.Driver provides driving power by DC machine, driver mesh downwards drive stretch out lean out axle 4, this leans out axle two, its head all is shaped on gear 5, is meshed in car band 7 both sides and with the gear ring 8 of the steel rim that is packed in car band inboard.These two lean out axle and gear ring synchromesh, drive gear ring and rotate.Gear ring and steel rim are that riveted joint or bolt are affixed, also can integral production.

Principle of work of the present utility model is:

DC machine drives driver, and driver is by its in-to-in gear transmission, and engagement drives the axle that leans out that leans out downwards, leans out the gear mesh gear ring of shaft head system, thereby drives wheel.

Claims

1. gear ring type bicycle, constitute by bicycle, DC machine, driver, gear ring, it is characterized in that: gear ring directly be packed in car band inboard the steel rim or with the rim integral production, DC machine and driver thereof directly are packed on the bicycle on the vehicle frame, DC machine drives the driver transmission, driver engagement drives the axle that leans out that stretches out downwards, and this leans out the made gear of shaft head and is meshed with gear on the gear ring.

2. gear ring type bicycle according to claim 1 is characterized in that: the axle that leans out that described driver stretches out has two, and is positioned at rim both sides and gear ring synchromesh, and the driven in synchronism gear ring rotates.

3. according to claim 1,2 described gear ring type bicycles, it is characterized in that: DC machine and driver are packed in the rear portion of vehicle frame on the bicycle, also can be packed in the front portion of vehicle frame.