CN87209401U

CN87209401U - Multipurpose bicycle

Info

Publication number: CN87209401U
Application number: CN 87209401
Authority: CN
Inventors: 和诚志; 汪虹
Original assignee: Individual
Current assignee: Individual
Priority date: 1987-06-18
Filing date: 1987-06-18
Publication date: 1988-08-03

Abstract

The utility model relates to a multipurpose bicycle which can be used for riding by three people or by one people or can pushed by hands. The utility model comprises a front driving bicycle frame part which is mainly composed of a front driver, a bicycle frame, a universal wheel, a turning handle, etc., and a rear bicycle saddle part which is mainly composed of a rear driving part, a rear wheel, a rear saddle, etc. The front driving bicycle frame part and the rear bicycle saddle part can be connected into a tricycle by a connecting part, and the front driving bicycle frame part and the rear bicycle saddle part can also be divided into a bicycle which can be ridden by one people or a barrow. The utility model has the advantages of reasonable and compact design, easy fabrication and low cost. The utility model is an ideal tool for travel, and the utility model can be used for old people, disabled people, women, children or people who can not ride bicycles to travel under the help of other people. The utility model is a vehicle for carrying people, which is suitable for national conditions of China.

Description

Multipurpose bicycle

A kind of for three people's travels, but the also multipurpose bicycle of single rider, hand push.

Ordinary bicycle is the single shaft two-wheel drive, ride for a people, raising along with living standards of the people, the development of tourist industry, three-person household is on the increase, and considers the elderly, the invalids women and children, can the rider convenience of long journey, again in conjunction with China's national situation, we have designed this economy, suitable multipurpose bicycle.

The purpose that designs this car is that the cart flexible connection that matches with it by the transformation and to the single bicycle of riding of two-wheeled makes it into another and can supply three people's travels, light, bicycle flexibly still can be separated into an ordinary bicycle and a wheelchair (people also can oneself drive by bus) if desired.

The utility model mainly partly comprises Das Vorderradfahrwerkmit Vorderradantrieb (1) by the before driving vehicle frame, positive and negative bolt (2), foot-operated (3), vehicle frame (4), front seats (5), front brake (6), cardan wheel (13), and steering handle (16), connect and partly comprise preceding Connection Block (10), shaft clevis (11), brace panel (12), back car pitman (9) is formed.Back car saddle partly comprises clothes hanger (7), rear cradling (8), and rear wheel (14), rear drive partly (15) is formed.Its structure is shown in Figure of description 1.

The before driving vehicle frame partly is a main body of the present utility model, and structure is shown in Figure of description 2.It is mounted on the preceding wheel location of ordinary bicycle, and vehicle frame (4) is supporting, connects the main body of other parts that we are designed to an osed top equicrural triangle primary structure member.Brake disc is housed on drive axle.Cardan wheel is to use during as wheelchair when this one, is folded down Das Vorderradfahrwerkmit Vorderradantrieb and driving chain during use, loads onto cardan wheel and can realize rotating freely.The front end of vehicle frame has a pair of stretcher, puts pin usefulness for the travelling people near seat designs.The seat is the sofa backrest type, and there is handrail on both sides, and the seat is connected part and adopts rubber mats with vehicle frame.Steering handle (16) is the bearing circle of car load or wheelchair, and brake gear the same with ordinary bicycle and bicycle bell are housed on this steering handle.

Connect partly shown in Figure of description 3, it is the tie that before driving part and back car saddle are partly coupled together, both needed certain intensity, rigidity to make again to turn to flexibly and guaranteed that vehicle body was stable, we will connect partly preceding Connection Block axis designs 3～5 degree angles that become to turn forward in order to reach this purpose, in preceding Connection Block (10), ball bearing of main shaft is housed, realize the back car partly with the flexible rotation of shaft clevis.

Back car partly partly is made up of the driving part and the saddle of ordinary bicycle, the ordinary bicycle of 28 English inch and 26 English inch is present in huge numbers of families, when needing car load to use, only need handlebar is removed with the front fork that is connected front vehicle wheel, with the link in the utility model before driving vehicle frame and back car are partly coupled together, again the back brake is connected on the before driving steering handle partly, can uses by car load.Saddle partly can make the bicyclist that adjusting leeway is arranged in a big way if change the design's saddle still with the saddle of former bicycle, and an allaying tiredness is taken advantage of in displacement.

The utility model is compared and is had the following advantages with ordinary bicycle, bicycle sidecar, wheelchair:

1. it is that redesign combines on the ordinary bicycle basis, parts are gauge member in addition, and the vehicle commander is identical with ordinary bicycle, and wheelchair is partly wide 65 centimetres.Compact conformation, easy accessibility, technical performance is identical with ordinary bicycle.Partly can play a role if meet sloping before driving.

2. can carry three people (two adults, a person of low position) and take advantage of seat comfortable, center-of-gravity position is low, and good stability is safe and reliable, and wheelchair not only can be carried out also can riding, and is a kind of legal people carrier;

3. adopt twin shaft to drive, manpower uses rationally, help travelling at a distance, and be the ideal tools of three-person household out on tours;

4. cost is low, and is convenient for production, has vast market prospect in China.

Claims

1, a kind of multipurpose bicycle can be converted by ordinary bicycle and barrow, mainly by vehicle body, and wheel, driving part connects partly, back car saddle, brake, axletree, handle, compositions such as track adjusting wheel is characterized in that:

(1) the before driving vehicle frame partly is mounted in the preceding wheel location of ordinary bicycle, mainly by Das Vorderradfahrwerkmit Vorderradantrieb (1), positive antispin (2), foot-operated (3), vehicle frame (4), front seats (5), front brake (6), cardan wheel (13), steering handle (16) is formed, vehicle frame (4) is that supporting connects other main bodys partly, and brake disc is housed on drive axle, and the vehicle frame front end has a pair of stretcher near the seat, the seat is the sofa backrest type, there is handrail on both sides, and the seat is connected part and adopts rubber mats with vehicle frame, and steering handle (16) is a bearing circle.

(2) connect partly and comprise preceding Connection Block (10), shaft clevis (11), brace panel (12) and back car pitman (9), preceding Connection Block is equipped with ball bearing of main shaft in (10), and axis turns forward and 3～5 spends angles.

2, multipurpose bicycle as claimed in claim 1 is characterized in that saddle and back clothes hanger are connected as a single entity.