CN220865572U

CN220865572U - Folding bicycle

Info

Publication number: CN220865572U
Application number: CN202322397583.3U
Authority: CN
Inventors: 许晓亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-04-30
Anticipated expiration: 2033-09-05

Abstract

The utility model belongs to the technical field of folding bicycles and discloses a folding bicycle, which comprises a bicycle beam, wherein two ends of the bicycle beam are connected with a front wheel framework and a rear wheel framework, a front wheel is arranged on the front wheel framework, a rear wheel is arranged on the rear wheel framework, two folders are arranged on the bicycle beam, and the bicycle beam can form three-section folding through the two folders; when the rear wheel framework drives the rear wheel to longitudinally turn forwards, the vehicle beam is folded through the folder, and the front wheel and the rear wheel can be in a parallel state by adjusting the folding angle. According to the utility model, the two hinges are arranged on the vehicle beam, and the front wheel and the rear wheel can be rotatably combined to form parallel folding, so that the two folded wheels can be pushed, the front wheel and the rear wheel can be coaxial after folding, the volume after folding can be minimized, various spaces are fully utilized, the structure is simple, and the folding operation is convenient.

Description

Folding bicycle

Technical Field

The utility model belongs to the technical field of folding bicycles, and particularly relates to a folding bicycle.

Background

The more popular folding bicycle is changed, various brands of folding bicycle are emerging on the market. The folding vehicle is mainly divided into two types of transverse folding and longitudinal folding in a folding manner, and the two types of folding manner have advantages and disadvantages, namely a transverse folding structure is simple, the technology is mature, the operation is convenient, the volume after folding is not very compact, the longitudinal folding mechanism is relatively slightly complex, the volume after folding is relatively compact, and the folding vehicle has advantages in terms of length, width, height and several dimensions after folding. However, up to now, whether a bicycle is folded transversely or longitudinally, the front wheel and the rear wheel are not parallel, the function of pushing the folded bicycle can not be realized by directly depending on the original two wheels, most of the folded bicycle can only be pushed for a short distance by depending on the single wheel of the other side by lifting the wheel of one side, the operation is very inconvenient, or the bicycle needs to be additionally provided with an additional bracket and easy-to-drive wheels for pushing, a plurality of mechanism accessories are added, and the weight and the cost are increased.

Disclosure of utility model

The utility model aims to provide a folding bicycle so as to solve the technical problems.

In order to achieve the above purpose, the specific technical scheme of the folding bicycle of the utility model is as follows:

the folding bicycle comprises a bicycle beam, wherein two ends of the bicycle beam are connected with a front wheel framework and a rear wheel framework, the front wheel framework is provided with a front wheel, the rear wheel framework is provided with a rear wheel, two folders are arranged on the bicycle beam, and the bicycle beam can form three-section folding through the two folders; when the rear wheel framework drives the rear wheel to longitudinally turn forwards, the vehicle beam is folded through the folder, and the front wheel and the rear wheel can be in a parallel state by adjusting the folding angle.

The rear wheel skeleton is provided with an objective table, the objective table is installed through the cooperation of steering shaft sleeve and seat pipe fixing base, objective table accessible steering shaft sleeve is rotatory.

The hinges of the two folders are both limitable hinges.

The folder is arranged at the front half part of the vehicle beam, and the hinges of the two folders are all positioned at the same side of the vehicle beam.

The two folding devices of the vehicle beam are unfolded, and respectively rotate for 90 degrees and are limited along the hinge, so that the front wheel framework and the front wheel rotate for 180 degrees horizontally backwards, and when the rear wheel is folded, the front wheel and the rear wheel are parallel.

After the front wheel framework and the front wheel rotate 180 degrees, the front wheel and the rear wheel are parallel, and the folding angle is fixed through a limiting hinge or other locking mechanisms.

One of the two folders is arranged on one side of the front part of the vehicle beam, and the other folder is arranged on the other side of the rear part of the vehicle beam.

The vehicle beam is folded through the two folders to form a Z-shaped structure, and the front wheel and the rear wheel can be in a parallel state by adjusting the folding angle.

The distance between the front wheel and the rear wheel can be adjusted by adjusting the folding angle after the vehicle beam is folded by the two folders.

After the vehicle beam is folded by the two folders, the three sections of the vehicle beam are in parallel, and the vehicle beam is in a completely folded state.

The folding bicycle has the following advantages: according to the utility model, the front half part of the vehicle beam is provided with two hinges, and the front and rear two wheels can be formed by rotating and combining to be folded in parallel, so that the two folded wheels can be pushed; the object stage structure is optimized, the object stage can be utilized to rotate, and an object placing platform can be formed after the vehicle is folded, so that the object placing platform is convenient to use as an outdoor table; and can make front wheel and rear wheel coaxial after folding, also can make folding back volume minimum, and make full use of each space, simple structure, folding operation is convenient for the vehicle after folding can utilize wheel itself and need not to add auxiliary wheel and can directly push away, has promoted user experience, has provided good structural basis for expanding additional other functions simultaneously.

Drawings

FIG. 1 is a schematic view of an unfolded structure of a folding bicycle in accordance with the present utility model;

FIG. 2 is a schematic view of a folding bicycle of the present utility model;

FIG. 3 is a schematic view of a second unfolded structure of the foldable bicycle according to the present utility model;

FIG. 4 is a schematic view of a folding structure of a folding bicycle according to an embodiment of the present utility model; FIG. 5 is a schematic view of a two-part folding structure of an embodiment of a folding bicycle in accordance with the present utility model;

FIG. 6 is a schematic view of a second fully folded structure of a foldable bicycle in accordance with the present utility model;

the figure indicates: 1. a vehicle beam; 11. a folder; 2. a front wheel skeleton; 21. a head tube; 22. a front fork; 23. a tap folding mechanism; 3. a rear wheel skeleton; 31. a seat tube fixing seat; 311. a clip; 312. a hinge; 32. a rear fork; 4. a front wheel; 5. a rear wheel; 6. a faucet assembly; 61. a head tube; 611. a handle folding structure; 62. a handlebar; 7. an objective table; 71. and a steering sleeve.

Detailed Description

For a better understanding of the objects, structures and functions of the present utility model, a foldable bicycle in accordance with the present utility model will be described in further detail with reference to the accompanying drawings.

The bicycle product related to the utility model is not limited to the traditional bicycle, and the bicycle related to the utility model can also comprise other two-wheel vehicle products, such as electric bicycles, scooters, folding carts and other two-wheel vehicles with similar structures, therefore, the vehicle specifications are all the bicycle products defined in the utility model.

As shown in fig. 1 and 2, the folding bicycle of the utility model comprises a bicycle beam 1, wherein two ends of the bicycle beam 1 are connected with a front wheel framework 2 and a rear wheel framework 3, the front wheel framework 2 is provided with a front wheel 4, and the rear wheel framework 3 is provided with a rear wheel 5.

When the bicycle is unfolded completely, the bicycle beam 1 is generally straight, and the bicycle beam 1 is parallel to the connecting line of the front wheel and the rear wheel axle and also parallel to the ground.

The rear wheel skeleton 3 includes seat pipe fixing base 31 and rear fork 32, and seat pipe fixing base 31 and vehicle roof beam 1 afterbody fixed connection, and rear wheel 5 is installed on rear fork 32, and seat pipe fixing base 31 upper end has fastener 311, and the lower extreme has hinge 312, and the fastener 311 swing joint of seat pipe fixing base 31 is connected to rear fork 32 upper end, and the lower extreme is connected with hinge 312 of seat pipe fixing base 31. When the rear wheel is unfolded, the upper parts are tightly connected together through a buckle by means of the gravity of the vehicle and a rider, and when the rear wheel is folded, the buckle 311 is manually unlocked, the rear fork 32 is folded downwards and forwards around the hinge piece 312 clockwise, and the whole rear wheel 5 and the rear fork 32 are turned forwards by 180 degrees to the front of the central shaft. After the rear wheel 5 is turned over to the front of the seat tube fixing seat 31, the rear wheel axle is still positioned above the connecting line of the front wheel axle and the rear wheel axle before turning over.

The front wheel skeleton 2 includes headstock tube 21, front fork 22, headstock tube 21 and roof beam 1 tip fixed connection, front fork 22 and headstock tube 21 screw thread fixed connection, front wheel 4 fixed connection is on front fork 22, headstock tube 21 top and tap subassembly 6 fixed connection, tap subassembly 6 includes headstock tube 61 and handlebar 62, headstock tube 61 lower extreme and headstock tube 21 pass through tap folding mechanism 23 folding connection, headstock tube 61 can roll over downwards around tap folding mechanism 23, headstock tube 61 upper end and handlebar 62 fixed connection, handlebar 61 one end has handle folding structure 611, handlebar 61 can form 90 degrees kinks along handle folding structure 611.

The front half part of the vehicle beam 1 is near the head pipe 61, and a front folder 11 and a rear folder 11 are arranged, wherein the folders 11 can be of a general type in the current market, namely, one side is a mechanism with a vertical hinge and the other side is openable and closable. Meanwhile, the hinges of the two folders 11 are both limitable hinges.

Examples

The hinges of the two folders 11 in this embodiment are both located on the same side of the vehicle beam 1 and are both perpendicular to the vehicle beam 1.

After the rear wheel 5 is turned over to the front of the seat tube fixing seat 31, the handle 61 is folded by 90 degrees along the handle folding structure 611, and then the head tube 61 is turned over along the tap folding mechanism 23 to a position adjacent to the front wheel 4 under the same side of the folder 11.

After the rear wheel and the tap assembly 6 are folded, the two folders 11 of the vehicle beam 1 are unfolded, horizontally rotate by 90 degrees along the hinge and are limited, and finally the front wheel framework 2 and the front wheel 4 horizontally rotate by 180 degrees backwards.

After the front wheel framework 2 and the front wheels 4 rotate 180 degrees, the vehicle beam 1 forms a U-shaped like shape, a certain space is formed between the vehicle beams at two sides, and the turndown headstock tube 61 is just positioned in the space range.

After the front wheel skeleton 2 and the front wheel 4 are rotated 180 degrees, the front wheel 4 and the rear wheel 5 are parallel, and the front wheel 4 and the rear wheel 5 may be in a coaxial position.

After the front wheel framework 2 and the front wheel 4 rotate 180 degrees, the axles of the front wheel 4 and the rear wheel 5 are close to each other, and the folding angle is fixed through the limiting hinge, so that the vehicle cushion is held, the vehicle can be directly pushed by the front wheel 4 and the rear wheel 5 without additional auxiliary wheels.

Examples

As shown in fig. 3 and 4, one of the two folders 11 in the present embodiment is provided on the front side of the vehicle beam 1, and the other is provided on the other side of the rear of the vehicle beam 1.

After the rear wheel and the tap assembly 6 are folded, one folder 11 horizontally rotates backward, then the other folder 11 horizontally rotates forward in the opposite direction, the vehicle beam 1 is folded by the two folders 11 to form a Z-shaped structure, and the front wheel 4 and the rear wheel 5 can be in a parallel state by adjusting the folding angle.

As shown in fig. 5, the vehicle body 1 is folded by the two folders 11, and then the distance between the front wheel and the rear wheel can be adjusted by adjusting the folding angle.

As shown in fig. 6, one folder 11 is horizontally rotated backward by 180 degrees, and then the other folder 11 is horizontally rotated forward by 180 degrees in the opposite direction so that the three sections of the vehicle beam 1 are all in a parallel state, and the vehicle beam 1 is in a fully folded state.

After the front wheel framework 2 and the front wheel 4 are folded, when the front wheel 4 and the rear wheel 5 are in a parallel state, the folding angle is fixed through a limiting hinge or other locking mechanisms, so that the vehicle cushion is supported, and the vehicle can be directly pushed by the front wheel 4 and the rear wheel 5 without additional auxiliary wheels.

When the seat tube holder 31 is unfolded, a carrying table 7 can be arranged on the seat tube holder, the carrying table 7 is horizontally arranged through a steering shaft sleeve 71 below the seat tube clamp, and the steering shaft sleeve 71 can horizontally rotate. When the bicycle is folded, the object stage 71 can be placed on the upper part of the beam 1 after being rotated 180 degrees through the steering shaft sleeve 71, so that the bicycle is used as an object carrying platform when being pushed.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The folding bicycle comprises a bicycle beam (1), wherein two ends of the bicycle beam (1) are connected with a front wheel framework (2) and a rear wheel framework (3), a front wheel (4) is installed on the front wheel framework (2), and a rear wheel (5) is installed on the rear wheel framework (3), and the folding bicycle is characterized in that two folders (11) are arranged on the bicycle beam (1), and the bicycle beam (1) can form three-section folding through the two folders (11); when the rear wheel skeleton (3) drives the rear wheel (5) to longitudinally overturn forwards, the vehicle beam (1) is folded through the folders (11), and the front wheel (4) and the rear wheel (5) can be in a parallel state by adjusting the folding angle, one of the two folders (11) is arranged on one side of the front part of the vehicle beam (1), and the other is arranged on the other side of the rear part of the vehicle beam (1).

2. The folding bicycle of claim 1, characterized in that the rear wheel skeleton is provided with an objective table (7), the objective table (7) is mounted in cooperation with the seat tube fixing seat (31) through a steering shaft sleeve (71), and the objective table (7) can rotate through the steering shaft sleeve (71).

3. Folding bicycle according to claim 1, characterized in that the hinges of both folders (11) are limitable hinges.

4. Folding bicycle according to claim 1, characterized in that the frame (1) is folded by two folders (11) to form a zigzag structure and by adjusting the folding angle the front wheel (4) and the rear wheel (5) are brought into a parallel state.

5. Folding bicycle according to claim 1, characterized in that the spacing between the front wheel (4) and the rear wheel (5) is adjustable by adjusting the folding angle after the folding of the frame (1) by means of two folders (11).

6. Folding bicycle according to claim 1, characterized in that the frame (1) is folded by two folders (11) such that the three sections of the frame (1) are all in a parallel state, the frame (1) being in a fully folded state.