CN201457598U - Four-wheeled rollator - Google Patents

Four-wheeled rollator Download PDF

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Publication number
CN201457598U
CN201457598U CN2009200341443U CN200920034144U CN201457598U CN 201457598 U CN201457598 U CN 201457598U CN 2009200341443 U CN2009200341443 U CN 2009200341443U CN 200920034144 U CN200920034144 U CN 200920034144U CN 201457598 U CN201457598 U CN 201457598U
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CN
China
Prior art keywords
rotating shaft
rollator
backrest
utility
model
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009200341443U
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Chinese (zh)
Inventor
贾庆国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN2009200341443U priority Critical patent/CN201457598U/en
Application granted granted Critical
Publication of CN201457598U publication Critical patent/CN201457598U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a four-wheeled rollator. The present various bicycles have defects as follows: the chain driving has a complicated structure and is not easy to process; two wheels are in touch with the ground, the stability is poor and the safety cannot be ensured; the body is heavy, and not easy to carry or store; riding is not comfortable, and a rider gets tired easily; the structural design is not reasonable, and cannot meet the riding requirements of middle-aged and old people and younger; and the frame is so conventional that the appearance is old-fashioned and inaesthetic. In the utility model, two front drive wheels are connected through a front rotating shaft, two rear wheels are connected through a rear rotating shaft, the upper parts of the front rotating shaft and the rear rotating shaft are respectively sleeved with sleeves, a connecting tube at the lower end of a rollator seat is connected with the sleeves, and the rollator frame is formed; and the rollator seat and a backrest adopt a box body type structure and connected into a whole through a zipper. The utility model has the advantages of safety and reliability, simple and compact structure, free speed control, and convenient stop and start; the structure is simple and easy to process; and the riding is comfortable, the seat is low, the rider can get on/off conveniently, and the backrest adopts the box body type structure, so that articles can be carried about.

Description

A kind of four-wheel travelling aided bicycle
Technical field
The utility model relates to a kind of four-wheel travelling aided bicycle.
Technical background
There is following shortcoming in existing miscellaneous bicycle: chain-type transmission, complex structure, difficult processing; Two-wheeled lands, and poor stability is dangerous; Vehicle body is long, and Heavy Weight is portable, deposit; Drive uncomfortable, fatiguability; Structure design is unreasonable, can not satisfy person in middle and old age and teenager drives; Vehicle frame relates to tradition, and pattern is outmoded not attractive in appearance.
The utility model content
The technical matters that the utility model solved provides a kind of simple in structure, and is portable, the four-wheel travelling aided bicycle of ride comfort.
For solving above-mentioned technical matters, the technical scheme that the utility model is taked:
The utility model comprises vehicle frame, two front driving wheels, two trailing wheels, handlebar, vehicle seat, backrest, two pedals, two front driving wheels connect by front rotary shaft, two trailing wheels connect by the back rotating shaft, its special character is: the top of described front rotary shaft and back rotating shaft is respectively arranged with sleeve pipe, the connection pipe of vehicle seat lower end is connected with sleeve pipe, constitutes vehicle frame; Described vehicle seat, backrest adopt box typed structure, and connect as one by slide fastener.
Above-mentioned vehicle seat, backrest adopt the pocket type structure, and connect as one by slide fastener.
Above-mentioned pedal and the rim of front driving wheel are by being threaded.
Above-mentioned front rotary shaft, back rotating shaft are respectively arranged with the sleeve pipe that length is 5-6cm.
Compared with prior art, the beneficial effects of the utility model: adopt four-wheel to land, thereby safe and reliable; Adopt the through-coupling mode, thus simple and compact for structure, and the driving speed stops walking conveniently freely; Easy processing simple in structure; Ride comfort, the seat is low, and is easy for going up and down, and backrest adopts box-type or pocket type structure, can personal effects, switch the sleeve pipe in front rotary shaft and the back rotating shaft, can pull the conversion of case and travelling aided bicycle.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is an example structure scheme drawing of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Referring to Fig. 1~2, the utility model comprises vehicle frame, two front driving wheels 1, two trailing wheels 2, handlebar 5, vehicle seat 3, backrest 4, two pedals 9, two front driving wheels 1 connect by front rotary shaft, two trailing wheels 2 connect by the back rotating shaft, the top of front rotary shaft and back rotating shaft is respectively arranged with sleeve pipe 6,7, and the connection pipe 8 of vehicle seat 3 lower ends is connected with sleeve pipe 6,7, constitutes vehicle frame, volume is little, and disassembly and assembly are convenient.
Referring to Fig. 3, front rotary shaft, back rotating shaft are respectively arranged with the sleeve pipe 10,11 that length is 5-6cm, two front driving wheels 1 and two trailing wheels 2 are rotated, being adjusted to sleeve pipe 10,11 is connected with the connection pipe 8 of vehicle seat 3 lower ends, bodywork height is turned down, sleeve pipe 10,11 becomes handle, affects as the travelling aided bicycle walking that pulls case.
Vehicle seat 3, backrest 4 adopts box typed structure or pocket type structures, can place the article of going out in vehicle seat 3, backrest 4, and connect as one by slide fastener 12, and vehicle seat 3, backrest 4 are opened slide fastener 12 and backrest 4 is erected got final product.
The rim of pedal 9 and front driving wheel 1 drives two front driving wheels 1 and moves ahead by being threaded.

Claims (4)

1. four-wheel travelling aided bicycle, comprise vehicle frame, two front driving wheels (1), two trailing wheels (2), handlebar (5), vehicle seat (3), backrest (4), two pedals (9), two front driving wheels (1) connect by front rotary shaft, two trailing wheels (2) connect by the back rotating shaft, it is characterized in that: the top of described front rotary shaft and back rotating shaft is respectively arranged with sleeve pipe (6,7), the connection pipe of vehicle seat lower end (8) is connected with sleeve pipe (6,7), constitutes vehicle frame; Described vehicle seat (3), backrest (4) adopt box typed structure, and connect as one by slide fastener (12).
2. a kind of four-wheel travelling aided bicycle according to claim 1 is characterized in that: described vehicle seat (3), backrest (4) adopt the pocket type structure, and connect as one by slide fastener (12).
3. a kind of four-wheel travelling aided bicycle according to claim 1 and 2 is characterized in that: the rim of described pedal (9) and front driving wheel (1) is by being threaded.
4. a kind of four-wheel travelling aided bicycle according to claim 3 is characterized in that: described front rotary shaft, back rotating shaft are respectively arranged with the sleeve pipe that length is 5-6cm (10,11).
CN2009200341443U 2009-08-06 2009-08-06 Four-wheeled rollator Expired - Fee Related CN201457598U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200341443U CN201457598U (en) 2009-08-06 2009-08-06 Four-wheeled rollator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200341443U CN201457598U (en) 2009-08-06 2009-08-06 Four-wheeled rollator

Publications (1)

Publication Number Publication Date
CN201457598U true CN201457598U (en) 2010-05-12

Family

ID=42384952

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009200341443U Expired - Fee Related CN201457598U (en) 2009-08-06 2009-08-06 Four-wheeled rollator

Country Status (1)

Country Link
CN (1) CN201457598U (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100512

Termination date: 20130806