CN203283333U

CN203283333U - Folding bicycle

Info

Publication number: CN203283333U
Application number: CN2013202968662U
Authority: CN
Inventors: 李加宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-28
Filing date: 2013-05-28
Publication date: 2013-11-13
Anticipated expiration: 2023-05-28

Abstract

The utility model discloses a folding bicycle. The folding bicycle comprises a front beam, a rear beam, a front wheel assembly, a rear wheel assembly, folding control devices, a handlebar, a seat and a transmission mechanism, wherein the front beam and the rear beam are circular-arc-shaped and can be articulated with each other through a hinge connector in a location manner, the handlebar is articulated with the front wheel assembly through a connecting pipe and a linkage device in the location manner and is rotatably arranged in a vertical pipe at the front end of the front beam, the front wheel folding control device is articulated on the front beam, a support frame is fixed on the rear beam, and the rear wheel assembly is arranged on the rear beam through the support frame, a rear wheel support and a folding linkage rod in a supporting manner. The folding bicycle has the advantages that a frame comprise the front beam and the rear beam which are connected with each other through the hinge connector so as to facilitate the folding of the bicycle, the front beam and the rear beam of the bicycle are circular-arc-shaped, the folding bicycle is provided with the folding control device so as to ensure that the two wheels easily rotate into arc-shaped grooves of the front beam and the rear beam, meanwhile, the handlebar and the connecting pipe of the folding bicycle can be folded, so that the size of the bicycle is small, and the bicycle is convenient to carry and is a first-choice product for travel and leisure and body-building.

Description

Folding bicycle

Technical field

The utility model relates to a kind of bicycle, is specifically related to a kind of Collapsible bicycle.

Background technology

China is bicycle big country, bicycle not only can be used for riding instead of walk, now a lot of people also are used for body-building, therefore can carry is people's hope always, the ordinary bicycle volume is large, is inconvenient to carry, and people wish to have the small and exquisite folding bicycle of a kind of volume after folding not only can conveniently go on a journey and carry, can also solve that to be placed on indoor floor area large, and be placed on the problem of outdoor round wind and weather infringement bicycle.Existing folding bicycle kind is more, but after folding, still volume is larger, is inconvenient to carry, I am in utility model " folding bicycle " patent No. 200920099901.5 of first to file, although solved the problems referred to above, still have unsatisfactory place, need further improvement and bring new ideas.

Summary of the invention

The purpose of this utility model is to provide a kind of folding bicycle, and volume after folding minimizes, and carries while being convenient for people to trip tourism, body-building, and the utility model is the improvement and perfection to former patent.

for achieving the above object, the technical solution of the utility model is: a kind of folding bicycle comprises: front Beam, rear Beam, front wheel assembly, rear wheel assembly, folding control setup, handlebar, vehicle seat and transmission device, described front Beam and rear Beam all are circular arc, front and back Beam can locate and be hinged through the hinge adaptor union, handlebar can be located hinged through connection pipe and front wheel assembly through clutch, and rotatably be arranged in the standpipe of front Beam front end, the collapsible control setup of front-wheel is hinged on front Beam, bracing frame, be fixed on rear Beam, rear wheel assembly is through bracing frame, rear wheel support and collapsible gangbar support and are arranged on rear Beam, and be provided with collapsible control setup.

Described front wheel assembly comprises wheel, car fork, fork arm, clutch and pull back spring, wheel is screwed onto on the car fork, the car fork is hinged with fork arm, clutch is spirally connected and is fixedly installed on the fork arm upper end, pull back spring is sleeved on fork arm below clutch, and locating dowel pin and the locator card that is connected with handlebar connecting pipe are set on clutch.

The collapsible control setup of described front-wheel comprises the control hand lever, interlock ring and position-limited lever, control the hand lever rear end and handle be set, the affixed interlock ring of front end, the position-limited lever upper end is hinged with the interlock ring, and is movably arranged in the stop collar that is fixedly installed outside the standpipe of front truck Beam front end.

The collapsible control setup of described trailing wheel comprises rear wheel support, control pull bar and collapsible trace, the upper bracing frame that arranges of rear wheel support and rear Beam is hinged, the long gap of arc is set on rear wheel support, collapsible trace front end respectively movable set at the axis two ends, rear end respectively be arranged on rear wheel support the bolt in the long gap of arc simultaneously and an end of control pull bar is hinged.

Described axis is the bent axle shape.

Described handlebar can pull and push and be collapsible.

Described transmission device comprises axis, drive wheel, idle wheel and power wheel, axis is provided with drive sprocket, be connected by the idle wheel that arranges on chain and rear wheel support, with coaxial another idle wheel that is provided with of idle wheel, and by chain, with the driving chain wheel on hind axle, be connected.

The car ladder that fixedly is spirally connected on described rear wheel support, arrange one group of exercising wheel on the car ladder.

Described handlebar connecting pipe upper end arranges the handlebar limiting card, and lower end can the clutch folding shaft be that axle folds.

On described vehicle seat, folding device is set, this device comprises adapter plate, caging bolt, guide pipe, vehicle seat standpipe, adapter plate are fixedly installed on below vehicle seat, and the adapter plate upper end is fixedly mounted with orienting sleeve, guide pipe is fixedly installed on adapter plate through rotatable being spirally connected of caging bolt, and vehicle seat standpipe bilateral symmetry arranges elongated slot and caging bolt is suitable and can pull and push and be movably arranged in guide pipe.

Vehicle frame of the present utility model is comprised of front and back Beam, be connected by the gemel connection device, be convenient to bicycle folding, the curved setting of front and back Beam of car, and folding control setup is set, two wheels are easily rotated in the deep-slotted chip breaker of front and back Beam, the utility model handlebar and connection pipe are all collapsible simultaneously, making the volume of car smaller and more exquisite, carry more conveniently, is the first-selected product of tourism and leisure and body building.

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Description of drawings

Fig. 1 is that the utility model master looks schematic diagram.

Fig. 2 is the folding rear schematic top plan view of the utility model.

Fig. 3 is the utility model handlebar and car fork partial view schematic diagram.

Fig. 4 is the utility model handle bar folding schematic diagram.

Fig. 5 is that the collapsible control hand lever of the utility model front-wheel master looks schematic diagram.

Fig. 6 is the birds-eye view of Fig. 5.

Fig. 7 is that before the utility model, Beam master looks schematic diagram.

Fig. 8 is the schematic top plan view of Fig. 7.

Fig. 9 is the main schematic diagram of looking of the utility model car ladder.

Figure 10 is that the collapsible control pull bar of the utility model trailing wheel master looks schematic diagram.

Figure 11 is the birds-eye view of Figure 10.

Figure 12 is that the master of the utility model rear wheel support looks schematic diagram.

Figure 13 is the lateral plan of Figure 13.

Figure 14 is that the master of vehicle seat looks schematic diagram.

Figure 15 is the folding rear schematic diagram of the utility model.

Figure 16 is that the utility model axis master looks schematic diagram.

The specific embodiment

as shown in the figure, a kind of Collapsible bicycle comprises: front Beam 7, rear Beam 9, front wheel assembly, rear wheel assembly, handlebar 6, vehicle seat 10 and transmission device, described front Beam and rear Beam all are circular arc, front and back Beam can locate and be hinged through hinge adaptor union 22, handlebar can be located hinged through connection pipe 37 and front wheel assembly through clutch 32, and rotatably be arranged in the standpipe 38 of front Beam front end, the collapsible control setup of front-wheel is hinged on front Beam, bracing frame 11 is fixed on rear Beam, rear wheel assembly is through bracing frame, rear wheel support 13 and collapsible gangbar 20 support collapsible being arranged on rear Beam, and be provided with collapsible control setup.

Described front wheel assembly comprises wheel 34, car fork 1, fork arm 31, clutch 32, pull back spring 3, wheel is screwed onto on the car fork, the car fork is hinged with fork arm, clutch is spirally connected and is fixedly installed on the fork arm upper end, pull back spring is sleeved on fork arm below clutch, arrange on clutch locating dowel pin 36 with handlebar connecting pipe 37 be connected locator card 4.

The collapsible control setup of described front-wheel comprises controls hand lever 8, interlock ring and position-limited lever 2, control the hand lever rear end and handle be set, the affixed interlock ring of front end, the position-limited lever upper end is hinged with interlock ring, and is movably arranged in the stop collar that standpipe 38 outsides of front truck Beam front end are fixedly installed.

The collapsible control setup of described trailing wheel comprises rear wheel support 13, control pull bar 12 and collapsible trace 20, the upper bracing frame 11 that arranges of rear wheel support and rear Beam is hinged, the long gap of arc is set on rear wheel support, collapsible trace front end respectively movable set at axis 40 two ends, rear end respectively be arranged on rear wheel support the bolt in the long gap of arc simultaneously and an end of control pull bar is hinged.

Described axis 40 is the bent axle shape.

Described handlebar 6 can pull and push with folding.

Described transmission device comprises axis 40, drive wheel 21, idle wheel 14, power wheel 15, axis is provided with drive sprocket, by the idle wheel 14 that arranges on chain and rear wheel support, is connected, and with idle wheel is coaxial, is provided with another idle wheel and by chain, with the driving chain wheel 15 on hind axle, is connected.

The car ladder 17 that fixedly is spirally connected on described rear wheel support, arrange one group of exercising wheel 18 on the car ladder.

Described handlebar connecting pipe upper end arranges handlebar limiting card 5, and lower end can clutch folding shaft 33 fold for axle.

On described vehicle seat, folding device is set, this device comprises adapter plate 25, caging bolt 27, guide pipe 26, vehicle seat standpipe 42, adapter plate 25 is fixedly installed on below vehicle seat, and the adapter plate upper end is fixedly mounted with orienting sleeve 24, guide pipe 26 is fixedly installed in adapter plate through rotatable being spirally connected of caging bolt, and vehicle seat standpipe bilateral symmetry arranges elongated slot and caging bolt is suitable and can pull and push and be movably arranged in guide pipe.

when the utility model folds, first front-wheel is revolved 180 °, then upwards lift folding control handle, fork arm is shifted out in Beam standpipe 38 in the past, the car fork is hinged with fork arm, front-wheel just can fold in groove below front Beam, then unclamp handlebar connecting pipe locator card 5, extract handlebar, extract handlebar one side and folding out, unclamp again the locator card 4 of clutch 32, handlebar connecting pipe 37 can be folding downwards along clutch folding shaft 33, unclamp the locator card of vehicle seat standpipe 42, take out vehicle seat standpipe and half-twist folding, the opening of axis bent axle part is aimed at the trailing wheel direction, upwards pull again the collapsible control pull bar 12 of trailing wheel, trailing wheel just folds in the lower recess of rear Beam, with car ladder footing up, front and back Beam gemel connection device locator card is unclamped, with front Beam and front wheel assembly Rotate 180 ° left, make front and back wheel parallel and draw close, then handlebar and vehicle seat insert respectively in the pore of both sides, again with folding 90 ° of left side pedal.The utility model is arranged on the exercising wheel 18 on the car ladder, can be when the car ladder be propped, and the cyclist does the training of key leg in original place, and Health-giving wheel can contact with trailing wheel, for the cyclist increases training resistance.In figure, 23 is pedal, the Zhang Jindu of strut bar 11 all right adjusting chains.

Claims

1. folding bicycle, this bicycle comprises: front Beam (7), rear Beam (9), front wheel assembly, rear wheel assembly, folding control setup, handlebar (6), vehicle seat (10) and transmission device, it is characterized in that: described front Beam and rear Beam all are circular arc, front and back Beam can locate and be hinged through hinge adaptor union (22), handlebar can be located hinged through connection pipe (37) and front wheel assembly through clutch (32), and rotatably be arranged in the standpipe (38) of front Beam front end, the collapsible control setup of front-wheel is hinged on front Beam, bracing frame (11) is fixed on rear Beam, rear wheel assembly is through bracing frame, rear wheel support (13) and collapsible gangbar (20) support and are arranged on rear Beam, and be provided with collapsible control setup.

2. folding bicycle according to claim 1, it is characterized in that: described front wheel assembly comprises wheel (34), car fork (1), fork arm (31), clutch (32) and pull back spring (3), wheel is screwed onto on the car fork, the car fork is hinged with fork arm, clutch is spirally connected and is fixedly installed on the fork arm upper end, pull back spring is sleeved on fork arm below clutch, arrange on clutch locating dowel pin (36) with handlebar connecting pipe (37) be connected locator card (4).

3. folding bicycle according to claim 1, it is characterized in that: the collapsible control setup of described front-wheel comprises controls hand lever (8), interlock ring and position-limited lever (2), control the hand lever rear end handle is set, the affixed interlock ring of front end, the position-limited lever upper end is hinged with the interlock ring, and is movably arranged in the stop collar that is fixedly installed outside the standpipe (38) of front truck Beam front end.

4. folding bicycle according to claim 1, it is characterized in that: described collapsible control setup comprises rear wheel support (13), control pull bar (12) and collapsible trace (20), the upper bracing frame (11) that arranges of rear wheel support and rear Beam is hinged, the long gap of arc is set on rear wheel support, collapsible trace front end respectively movable set at axis (40) two ends, rear end respectively be arranged on rear wheel support the bolt in the long gap of arc simultaneously and an end of control pull bar is hinged.

5. folding bicycle according to claim 4 is characterized in that: described axis (40) is the bent axle shape.

6. folding bicycle according to claim 1 is characterized in that: described handlebar (6) can pull and push and be collapsible.

7. folding bicycle according to claim 1, it is characterized in that: described transmission device comprises axis (40), drive wheel (21), idle wheel (14) and power wheel (15), axis is provided with drive sprocket, be connected by the idle wheel (14) that arranges on chain and rear wheel support, with coaxial another idle wheel that is provided with of idle wheel, and by chain, with the driving chain wheel (15) on hind axle, be connected.

8. folding bicycle according to claim 1, it is characterized in that: the car ladder (17) that fixedly is spirally connected on described rear wheel support arranges one group of exercising wheel (18) on the car ladder.

9. folding bicycle according to claim 1 is characterized in that: upper its upper end of connection pipe (37) that arranges of described handlebar (6) arranges handlebar limiting card (5), and lower end can clutch folding shaft (33) fold for axle.

10. folding bicycle according to claim 1, it is characterized in that: on described vehicle seat, folding device is set, this device comprises adapter plate (25), caging bolt (27), guide pipe (26), vehicle seat standpipe (42), adapter plate (25) is fixedly installed on below vehicle seat, the adapter plate upper end is fixedly mounted with orienting sleeve (24), guide pipe (26) is fixedly installed on adapter plate through rotatable being spirally connected of caging bolt, and vehicle seat standpipe bilateral symmetry arranges elongated slot and caging bolt is suitable and can pull and push and be movably arranged in guide pipe.