CN214420631U

CN214420631U - Improved folding bicycle

Info

Publication number: CN214420631U
Application number: CN202120287982.2U
Authority: CN
Inventors: 陆家毓
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-10-19
Anticipated expiration: 2031-02-01

Abstract

The utility model provides an improved folding bicycle, which comprises a frame, a seat and a bicycle frame, wherein the frame is provided with the seat; the front wheel part comprises a front frame, and a front wheel and a handlebar which are arranged at the front end of the front frame, the rear end of the front frame is movably connected with the frame, the front wheel and the handlebar can be folded relative to the front frame, and the front frame can rotate and/or displace relative to the frame so as to enable the front wheel part to be contained in the frame or exposed out of the frame to be unfolded; the rear wheel is consistent with the front wheel in size, a rear wheel groove is formed in the frame, the rear wheel can move relative to the rear wheel groove to be stored in the frame or be exposed out of the frame to be unfolded, and a first tightener used for fixing the position of the rear wheel is arranged on the rear wheel. When the folding bicycle is in a folding (storage) state, all parts are basically stored in the frame, so that the folded bicycle has regular appearance, is easy to store, move, lift and transport, and is very convenient to store in a trunk of an automobile, carry in travel and the like; for production enterprises, the pressure of large transportation cost can be reduced, and the market competitiveness of products is greatly improved.

Description

Improved folding bicycle

[ technical field ] A method for producing a semiconductor device

The utility model relates to an improved generation folding bicycle.

[ background of the invention ]

At present, folding bicycles on the market are various in variety, but actually, the folding bicycles still occupy relatively large positions after being folded, for example, in the folding bicycles which are disconnected from the middle in the market, the weight distribution among all parts after being folded is uneven, on one hand, the folding bicycles are difficult to move, and on the other hand, the folding bicycles still occupy relatively large storage space.

For this reason, further optimization of the existing folding bicycles is necessary.

[ Utility model ] content

The utility model aims at overcoming the above-mentioned problem, we provide an improved generation folding bicycle, and this folding bicycle is whole regular after folding, easily moves and lifts, transports, deposits.

To achieve the above object, we provide an improved folding bicycle comprising:

a frame provided with a seat;

the front wheel part comprises a front frame, and a front wheel and a handlebar which are arranged at the front end of the front frame, the rear end of the front frame is movably connected with the frame, the front wheel and the handlebar can be folded relative to the front frame, and the front frame can rotate and/or displace relative to the frame so as to enable the front wheel part to be contained in the frame or exposed out of the frame to be unfolded;

the rear wheel is consistent with the front wheel in size, a rear wheel groove is formed in the frame, the rear wheel can move relative to the rear wheel groove to be stored in the frame or be exposed out of the frame to be unfolded, and a first tightener used for fixing the position of the rear wheel is arranged on the rear wheel.

In one or more embodiments, the front wheel portion further comprises a driving assembly, the driving assembly is mounted on the front frame, and the driving assembly comprises a chain wheel and pedals mounted on two sides of the chain wheel.

In one or more embodiments, the rear wheel groove is provided with a concave position at two ends for being tightened by the first tightener.

In one or more embodiments, the front end of the front frame is connected to the front wheel through a first hinge structure, and the handlebar is connected to the front wheel or the frame through a second hinge structure.

In one or more embodiments, the handlebar comprises an upright and a transverse handle, the upright is provided with a transverse handle sleeve, and the transverse handle penetrates through the transverse handle sleeve.

In one or more embodiments, a second tightener which keeps the front wheel part in the unfolded state or the stored state is arranged at the rear end of the front frame, and a tightening position which is matched with the second tightener is arranged on the frame.

In one or more embodiments, the upholstered seat is detachably mounted on the seat.

Compared with the background art, the utility model has the following technical effects: when the folding bicycle is in a folding (storage) state, all parts are basically stored in the frame, so that the folded bicycle has regular appearance, is easy to store, move, lift and transport, and is very convenient to store in a car trunk, carry in travel and the like. For production enterprises, the pressure of large transportation cost can be reduced, and the market competitiveness of products is greatly improved.

[ description of the drawings ]

Fig. 1 is a schematic structural view of the improved foldable bicycle of the present invention in an unfolded state;

FIG. 2 is a schematic structural view of the connection between the wheel, the handle bar and the front frame;

fig. 3 is a schematic structural view of fig. 1 in a storage (folded) state.

[ detailed description ] embodiments

In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.

Referring to fig. 1-3, the present application provides an improved folding bicycle, comprising:

the top end face of the frame 1 is provided with a seat 2, a cushion seat 15 is detachably arranged on the seat 2, and the cushion seat 15 is arranged on the seat 2 in an inserting mode so as to provide comfortable riding experience for a user.

The front wheel part comprises a front frame 3, and a front wheel 4 and a handlebar 5 which are arranged at the front end of the front frame 3, the rear end of the front frame 3 is movably connected with the frame 1, the front wheel 4 and the handlebar 5 can be folded relative to the front frame 3, and the front frame 3 can rotate and/or move relative to the frame 1 so as to enable the front wheel part to be stored in the frame 1 or be exposed out of the frame 1 to be unfolded;

and a rear wheel 6 having a size corresponding to the front wheel 4, the frame 1 being provided with a rear wheel groove 7, the rear wheel 6 being movable relative to the rear wheel groove 7 to be accommodated in the frame 1 or to be exposed to the frame 1 for deployment, the rear wheel 6 being provided with a first tightener 8 for fixing the position thereof.

Adopt the bicycle of this scheme, its whole outward appearance is regular after folding, does not have unnecessary spare part protrusion, consequently very portable, transportation, deposit, easily move moreover, to the enterprise, the packing transportation is very convenient, can save a large amount of cost of transportation, and in addition, front wheel 4 is unanimous with 6 sizes of rear wheel to the user of being more convenient for rides, saves more strength.

Preferably, the front wheel portion still includes drive assembly, drive assembly installs on front rack 3, and drive assembly includes sprocket 9 and installs in the pedal 10 of sprocket 9 both sides, is provided with vice sprocket on the rear wheel 6, and sprocket 9 passes through the chain to be connected with vice sprocket, and the user is through trampling pedal 10 in order to drive the bicycle, and its theory of operation is as good as with current bicycle drive principle.

Preferably, the rear wheel groove 7 is provided with concave portions 71 at two ends thereof for being tightened by the first tightener 8, the first tightener 8 can be used for conveniently fixing the position of the rear wheel 6 in the rear wheel groove 7 by a user, and the concave portions 71 can be better matched with the first tightener 8 for being tightened and fixed, so as to ensure the unfolding state or the accommodating state of the rear wheel 6.

Preferably, the front end of the front frame 3 is connected with the front wheel 4 through a first hinge structure 11, the handlebar 5 is connected with the front wheel 4 or the frame 3 through a second hinge structure 12, the first hinge structure 11 and the second hinge structure 12 are both in conventional hinge connection, the principle is the same as that of a hinge, the hinge structure is tightly connected and easy to operate, and the unfolding state and the storage state are conveniently switched.

Preferably, the handlebar 5 comprises an upright rod 51 and a transverse handle 52, the upright rod 51 is provided with a transverse handle sleeve 511, the transverse handle 52 penetrates through the transverse handle sleeve 511, and when the bicycle needs to be stored, the transverse handle 52 can be moved to be deviated to one side of the upright rod so as to be conveniently stored.

Preferably, a second tightener 13 for keeping the front wheel part in the unfolded state or the folded state is arranged at the rear end of the front frame 3, a tightening position 14 matched with the second tightener 13 is arranged on the frame 1, and the second tightener 13 has the same working principle as the first tightener 8, so that the unfolded state or the folded state of the front frame 3 can be conveniently fixed, and the operation of a user is easy.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment, but all equivalent modifications or changes made by those skilled in the art according to the present invention should be included in the protection scope of the claims.

Claims

1. An improved folding bicycle, comprising:

a frame (1) provided with a seat (2);

the front wheel part comprises a front frame (3), and a front wheel (4) and a handlebar (5) which are arranged at the front end of the front frame (3), the rear end of the front frame (3) is movably connected with the frame (1), the front wheel (4) and the handlebar (5) can be folded relative to the front frame (3), and the front frame (3) can rotate and/or move relative to the frame (1) so that the front wheel part is contained in the frame (1) or exposed out of the frame (1) to be unfolded;

the rear wheel (6) is consistent with the front wheel (4) in size, a rear wheel groove (7) is formed in the frame (1), the rear wheel (6) can move relative to the rear wheel groove (7) to be stored in the frame (1) or be exposed out of the frame (1) to be unfolded, and a first tightener (8) used for fixing the position of the rear wheel (6) is arranged on the rear wheel.

2. The improved foldable bicycle of claim 1, wherein: the front wheel part also comprises a driving assembly, the driving assembly is arranged on the front frame (3), and the driving assembly comprises a chain wheel (9) and pedals (10) arranged on two sides of the chain wheel (9).

3. The improved foldable bicycle of claim 1, wherein: the two ends of the rear wheel groove (7) are provided with concave positions (71) which are tightened by matching with the first tightener (8).

4. The improved foldable bicycle of claim 1, wherein: the front end of the front frame (3) is connected with the front wheel (4) through a first hinge structure (11), and the handlebar (5) is connected with the front wheel (4) or the front frame (3) through a second hinge structure (12).

5. The improved foldable bicycle of claim 4, wherein: the handlebar (5) comprises an upright rod (51) and a transverse handle (52), wherein a transverse handle sleeve (511) is arranged on the upright rod (51), and the transverse handle (52) penetrates through the transverse handle sleeve (511).

6. An improved folding bicycle, according to any of claims 1-5, characterized in that: a second tightener (13) for keeping the front wheel part in an unfolded state or a folded state is arranged at the rear end of the front frame (3), and a tightening position (14) matched with the second tightener (13) is arranged on the frame (1).

7. An improved folding bicycle, according to any of claims 1-5, characterized in that: the seat (2) is detachably provided with a soft cushion seat (15).