CN205554461U - Multipurpose bicycle - Google Patents

Abstract

The utility model provides a multi-purpose bicycle, which comprises: double front wheel shafts, double front wheels, front forks, and supporting rods. The fork column I and the fork column II; the double front wheel axles are installed on the fork column I and the fork column II, and the double front wheel axles are respectively sleeved with movable linked double front wheels, and the support rod includes an extension section and a fixed section , by adjusting the angle between the extended section and the fixed section of the support rod, the angle between the fork column I, the fork column II and the horizontal axis is adjusted; Position components Ⅰ and Ⅱ control the range of activity of the movable bracket and the connecting bracket, thereby adjusting the capacity of the basket, which is easy to use. This device can switch between the two states of bicycle daily riding and trolley. The utility model adopts two front wheels and One rear wheel and three wheels make it easier to push the bicycle after folding, and use the universal wheels to realize the reversing of the car body.

Description

A multi-purpose bicycle

technical field

The utility model relates to the field of necessities for human life, in particular to a foldable multipurpose bicycle.

Background technique

There are many folding methods for existing bicycles, but the folding methods are more complicated. Moreover, due to the weight and volume of the bicycle itself, it is difficult to carry and store it even after being folded. Especially when going out, it is necessary to store the bicycle in a special place. Bring some inconvenience to travel.

Contents of the invention

The utility model provides a multi-purpose bicycle, which can be quickly folded, and can also quickly switch between a bicycle for riding and a handcart. In order to achieve the above purpose, the following technical solutions are adopted: the utility model includes a front part and a rear part The front part of the car is connected with the rear part of the car through a beam, and the front part of the car includes: a front fork, a handlebar, a double front axle, a support bar, and a double front wheel;

The double front axles include: front axle I, front axle II;

The double front wheels include: front wheel I and front wheel II, the front wheel I is set on the front wheel axle I, the front wheel II is set on the front wheel axle II, the front wheel II and the front wheel I active connection;

The front fork includes: a horizontal shaft, a cannula located above the horizontal shaft, a fork post I and a fork post II that are movably installed at both ends of the horizontal shaft, the other end of the fork post I is connected to the front wheel shaft I, The other end of the fork column II is connected to the front axle II;

The support rod includes: a fixed section and an extension section, one end of the extension section is movably connected to the fixed section, and the other end of the extension section passes through the fork column I and is suspended on the outside of the fork column I;

The crossbeam is provided with a folding part and a rotating device, and the crossbeam is movably connected to the front part and the rear part of the vehicle through the folding part, and the crossbeam is movably installed on the vehicle seat through the rotating device;

The rear part of the car includes: a rear frame, a rear fork, a rear wheel, and an adjustable basket, and the adjustable basket is installed on the rear part of the car through at least two adjustable brackets, and the adjustable bracket includes There are: two fixed horizontal brackets, two connecting brackets, and two movable brackets. The two connecting brackets are movably installed between the two fixed brackets. It is movable installed on the fixed bracket, and the limited component II is installed on the movable bracket.

Preferably, in the adjustable bracket: the fixed horizontal bracket is provided with mounting holes, the two ends of the connecting bracket are respectively embedded in the mounting holes, the center of the connecting bracket is provided with a through hole, and the movable bracket has a bending structure, including a horizontal section and a vertical section, One end of the horizontal section passes through the through hole.

Preferably, the limiting component I is a spring component, and the two ends of the limiting component I are respectively fixed on the fixed horizontal bracket.

Preferably, the limiting component II is a spring component, and the limiting component II is arranged on the horizontal section.

Preferably, the inner side of the rim of the front wheel I is provided with a groove, and the inner side of the rim of the front wheel II is provided with a convex ring.

Preferably, a handlebar lock is also provided on the crossbeam, and the handlebar lock includes: a snap ring provided on the crossbeam, and a buckle provided at the front of the vehicle.

Preferably, the rear axle of the rear fork is connected to the pedal connected to the sprocket of the rear axle, and two universal wheels are sheathed on the rear axle.

Beneficial effects of the utility model: the device uses folding parts to realize fast folding of the front part and the rear part of the car, and uses the handlebar lock to lock and fix the folded handlebar. The utility model is provided with two front wheels and two By adjusting the angle between the extended section and the fixed section of the support rod, the rotation angle of the fork column I, the fork column II and the horizontal axis is adjusted, and the distance between the two front wheels is controlled to meet the daily requirements of the bicycle. The two states of riding and trolley are switched, and the adjustable bracket is used in the basket, which is respectively placed on the bracket of the rear frame and the seat, and the movement of the movable bracket and the connecting bracket is controlled by the limit components Ⅰ and Ⅱ range, thereby adjusting the capacity of the basket, the utility model adopts two front wheels and one rear wheel, and the three wheels make it easier to push the bicycle after folding, and use universal wheels to realize the reversing of the vehicle body.

Description of drawings

Fig. 1 is the front view of the utility model, to be precise, it is a structural schematic diagram when it is in a riding state;

Fig. 2 is a schematic diagram of the partial structure of the front of the car when the utility model is in the riding state;

Fig. 3 is a schematic structural view of the utility model when it is in a folded state;

Fig. 4 is a partial structural schematic diagram of the front part of the vehicle when the utility model is in the folded state;

Fig. 5 is a schematic diagram of the local structure of the adjustable bracket of the utility model;

Fig. 6 is a left view of the utility model about the adjustable bracket shown in Fig. 5;

Fig. 7 is a top view of the utility model with respect to Fig. 6;

Fig. 8 is a schematic diagram of another state of the utility model with respect to the top view of Fig. 6;

Fig. 9 is a schematic diagram of another state of the utility model with respect to the top view of Fig. 6;

Fig. 10 is a partial structural schematic diagram of the handlebar lock;

Among the figure, 1, the front part of the car, 101, the handlebar,

102, front fork, 1021, intubation tube, 1022, transverse shaft, 1023, fork column I, 1024, fork column II;

103, double front wheels, 1031, front wheels Ⅰ, 1032, front wheels Ⅱ;

104, support bar, 1041, fixed section, 1042, extension section;

105. Double front axles, 1051, front axle I, 1052, front axle II;

2. The rear part of the car, 201, the rear fork, 202, the rear axle, 203, the rear wheel, 204, the pedal;

205, car basket, 2051, adjustable bracket, 20511, fixed horizontal bracket, 20512, connecting bracket,

20513, movable bracket, 20514, limit component Ⅰ, 20515, limit component Ⅱ;

3. Beam; 4. Seat; 5. Rotating device; 6. Folding piece;

7, handlebar seat, 701, buckle, 702, snap ring; 8, universal wheel.

detailed description

As can be seen from Fig. 1 and Fig. 3, the utility model comprises a front part 1 and a rear part 2, and the front part 1 and the rear part 2 are connected by a beam 3, and the front part 1 comprises: Front fork 102, handlebar 101, double front axle 105, support bar 104, double front wheel 103;

It can be known from Fig. 2 and Fig. 4 that the double front wheel shaft 105 includes: front wheel shaft I 1051, front wheel shaft II 1052; the double front wheel 103 includes: front wheel I 1031, front wheel II 1032, and the front wheel I 1031 is sleeved on On the front wheel shaft I1051, the front wheel II1032 is sheathed on the front wheel shaft II1052, and the front wheel II1032 is movably connected with the front wheel I1031. The inner side of the rim of the wheel II 1032 is provided with a convex ring, and the connection between the front wheel I 1031 and the front wheel II 1032 is realized by fitting the snap ring and the groove.

The front fork 102 includes: a transverse shaft 1022, an insertion tube 1021 located above the transverse shaft 1022, a fork column I 1023 and a fork column II 1024 movably installed at both ends of the transverse axis 1022, and the other end of the fork column I 1023 is connected to The front axle I1051 is connected, and the other end of the fork column II1024 is connected with the front axle II1052;

The support rod 104 includes: a fixed section 1041 and an extension section 1042, one end of the extension section 1042 is movably connected with the fixed section 1041, and the other end of the extension section 1042 passes through the fork column I 1023 and is suspended on the fork column I 1023 outside;

The crossbeam 3 is provided with a folding part 6 and a rotating device 5, and the crossbeam 3 is movably connected with the front part 1 and the rear part 2 of the vehicle through the folding part 6, and the crossbeam 3 is movably installed with a vehicle seat 4 through the rotating device 5, so that The crossbeam 3 is also provided with a handlebar lock 7. As shown in FIG. 1. As shown in Figure 3, the folding part 6 works to separate the front part 1 and the rear part 2 and fold the front part 1 backward, and fix the front part 1 on the folded position by using the handlebar lock 7. state, the crossbeam 3 is movably installed with the vehicle seat 4 through the rotating device 5, and the vehicle seat 4 is placed vertically or tilted forward by using the rotating device 5.

The rear part 2 of the car includes: a rear vehicle frame, a rear fork 201, a rear axle 202, a rear wheel 203, a pedal 204 connected with the sprocket of the rear axle 202, an adjustable basket 205, and the rear axle 202 is also sheathed with two universal wheels 8, and the adjustable basket 205 is installed on the rear part 2 of the car through at least two adjustable brackets 2051, specifically, one is arranged on the rear frame, and the other One is arranged on the mounting bracket of the vehicle seat 4, as can be seen from Figures 5 to 8, the adjustable bracket 2051 includes: two fixed horizontal brackets 20511, two connecting brackets 20512, and two movable brackets 20513. The two connecting brackets 20512 are movably installed between the two fixed brackets, and the fixed bracket is provided with a limiting component I20514 outside, and the movable bracket 20513 is movably installed on the fixed bracket, and the limiting component is installed on the movable bracket 20513 II 20515.

As can be seen from Figures 7 to 9, preferably, in the adjustable bracket 2051: a mounting hole is opened on the fixed horizontal bracket 20511, and the two ends of the connecting bracket 20512 are embedded in the mounting holes respectively, and the connecting bracket 20512 can be inserted into the mounting hole Inner 360° rotation, the center of the connecting bracket 20512 is provided with a through hole, the movable bracket 20513 has a bent structure, including a horizontal section and a vertical section, one end of the horizontal section passes through the through hole, and can wrap around the horizontal section in the through hole. The axis of the segment rotates 360°, and since the connecting bracket 20512 can rotate 360° in the installation hole, the movable bracket 20513 is also driven to rotate 360° around the axis of the connecting bracket 20512.

It can be seen from Fig. 7 and Fig. 8 that, preferably, the limiting component I 20514 is a spring component, and the two ends of the limiting component I 20514 are respectively fixed on the fixed horizontal bracket 20511.

Preferably, the limiting component II 20515 is a spring component, and the limiting component II 20515 is arranged on the horizontal section to limit the rotation angle of the movable bracket 20513 .

As shown in Figure 1 and Figure 2, when the bicycle is in the riding state, the handlebar lock 7 is in the loosened state, and the extension section 1042 is placed downward on the outside of the fork column I 1023 and tightened and fixed. At this time, the front wheel I 1031, Front wheel II 1032 chimeric connection between the two;

As shown in Fig. 3 and Fig. 4, when the bicycle is in the folded state, the buckle 701 of the handlebar lock 7 fits into the snap ring 702 and is locked, and the extension section 1042 moves upward until it is on the extension line of the fixed section 1041. At this time, The fork column I1023 and the fork column II1024 are inclined to the outside, and the front wheel shaft I1051 and the front wheel shaft II1052 are separated. At the same time, the front wheel I1031 and the front wheel II1032 are separated. , forming an isosceles triangle, that is, the distances between the rear wheel 203, the front wheel I 1031 and the front wheel II 1032 are equal.

In this device, double front wheels 103, double front wheel shafts 105, and a bicycle basket 205 and an adjustable bracket 2051 that are self-adjustable according to different states are proposed. This device can not only be used for folding bicycles, but also for folding and application.

The above-mentioned embodiments only illustrate the principle and effect of the present patent application, but are not intended to limit the present patent application. Any person familiar with this technology can modify or change the above-mentioned embodiments without departing from the spirit and scope of this patent application. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed in this patent application should still be covered by the claims of this patent application.

Claims (7)

1. A multi-purpose bicycle, comprising a front portion and a rear portion, connected by a beam between the front portion and the rear portion, characterized in that: The front part of the car includes: front forks, handlebars, double front axles, support rods, and double front wheels; The double front axles include: front axle I, front axle II; The double front wheels include: front wheel I and front wheel II, the front wheel I is set on the front wheel axle I, the front wheel II is set on the front wheel axle II, the front wheel II and the front wheel I active connection; The front fork includes: a horizontal shaft, a cannula located above the horizontal shaft, a fork post I and a fork post II that are movably installed at both ends of the horizontal shaft, the other end of the fork post I is connected to the front wheel shaft I, The other end of the fork column II is connected to the front axle II; The support rod includes: a fixed section and an extension section, one end of the extension section is movably connected to the fixed section, and the other end of the extension section passes through the fork column I and is suspended on the outside of the fork column I; The crossbeam is provided with a folding part and a rotating device, and the crossbeam is movably connected to the front part and the rear part of the vehicle through the folding part, and the crossbeam is movably installed on the vehicle seat through the rotating device; The rear part of the car includes: a rear frame, a rear fork, a rear wheel, and an adjustable basket, and the adjustable basket is installed on the rear part of the car through at least two adjustable brackets, and the adjustable bracket includes There are: two fixed horizontal brackets, two connecting brackets, and two movable brackets. The two connecting brackets are movably installed between the two fixed brackets. It is movable installed on the fixed bracket, and the limited component II is installed on the movable bracket. 2. A kind of multipurpose bicycle according to claim 1, characterized in that, in the adjustable bracket: There are installation holes on the fixed horizontal bracket, the two ends of the connecting bracket are respectively embedded in the installation holes, and a through hole is opened in the center of the connecting bracket, and the movable bracket has a bending structure, including a horizontal section and a vertical section, and one end of the horizontal section passes through the through hole. hole. 3. A multi-purpose bicycle according to claim 2, characterized in that: the limiting assembly I is a spring assembly, and the two ends of the limiting assembly I are respectively fixed on the fixed horizontal bracket. 4. A multi-purpose bicycle according to claim 2, characterized in that: the limiting assembly II is a spring assembly, and the limiting assembly II is arranged on the horizontal section. 5 . The multi-purpose bicycle according to claim 1 , wherein a groove is opened on the inner side of the rim of the front wheel I, and a protruding ring is arranged on the inner side of the rim of the front wheel II. 6. A multi-purpose bicycle according to claim 1, characterized in that, a handlebar lock is also provided on the crossbeam, and the handlebar lock comprises: a clasp arranged on the crossbeam, a snap ring arranged on the front part of the bicycle buckle. 7. A kind of multi-purpose bicycle according to claim 1, characterized in that, the rear part of the car also includes: a rear wheel shaft connected to the rear fork, a pedal connected to the rear wheel shaft sprocket, the Two universal wheels are also sleeved on the rear axle.