CN214084615U - Folding bicycle with frame structure - Google Patents

Abstract

The utility model discloses a frame construction's folding bicycle, it relates to bicycle technical field. The front and rear ends of the frame are respectively connected with the front wheel assembly and the rear wheel assembly, the front wheel assembly is provided with the faucet assembly, the frame, the faucet assembly and the rear wheel assembly form a square outer frame when in a folded state, the front wheel and the rear wheel are surrounded in the frame, the front wheel and the rear wheel are close to the position where the outer circle of the tire is tangent, and the seat plate, the left handlebar, the right handlebar and the left pedal are folded and contained in the vehicle body, so that the whole vehicle is in a flat cuboid shape. The utility model discloses compact, the rule after the folding of car very easily deposits and accomodates, and the folding back of being convenient for many bicycles is concentrated and is deposited or pile up side by side and deposit, extensive applicability, and application prospect is wide.

Description

Folding bicycle with frame structure

Technical Field

The utility model relates to a bicycle technical field, concretely relates to frame construction's folding bicycle.

Background

The bicycle is an energy-saving and environment-friendly common self-service vehicle, and electric bicycles derived from the energy-saving and environment-friendly common self-service vehicle and suitable for short-distance travel in cities are increasingly popularized. Commercial applications based on conventional bicycle sharing mode are very common at present, and commercial applications based on electric bicycle sharing are also widely developed.

At present, two problems commonly exist in the practical application of the shared bicycle and the shared electric bicycle:

(1) a large space is required to be occupied during storage;

(2) a plurality of bicycles or electric bicycles are inconvenient to store in a centralized way, and the plurality of bicycles are difficult to be closely arranged or difficult to be freely taken after being closely arranged.

In order to solve the above problems, it is particularly necessary to design a foldable bicycle with a new frame structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a frame construction's folding bicycle, simple structure, reasonable in design, folding back compact, rule are convenient for deposit, and the folding back of being convenient for is concentrated and is deposited or pile up side by side and deposit of many bicycles, and the practicality is strong, easily uses widely.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a folding bicycle with a frame structure comprises a bicycle frame, a front wheel assembly, a faucet assembly and a rear wheel assembly, wherein the front end and the rear end of the bicycle frame are respectively connected with the front wheel assembly and the rear wheel assembly, and the faucet assembly is arranged on the front wheel assembly.

The frame comprises a front pivot, a rear pivot locking mechanism and a battery charging paste; the front wheel assembly is arranged on the frame and rotates around the front pivot, the front wheel assembly comprises a front fork, a front wheel and a front mudguard, the front fork comprises a vertical rod pivot, a vertical rod locking mechanism is further arranged inside the front fork, the front wheel is arranged at the bottom end of the front fork, and the front mudguard is arranged above the front wheel.

The handlebar assembly is arranged on the front fork, is rotationally arranged around a handlebar upright rod pivot and is locked and connected through a handlebar upright rod locking mechanism in the front fork, and comprises a handlebar upright rod, a left handlebar and a right handlebar; the vertical rod and the front wheel assembly form a front wheel plane.

The rear wheel assembly is installed on the frame, the rear wheel assembly and the frame constitute the automobile body plane, the rear wheel assembly sets up around rear pivot rotation, the rear wheel assembly including bedplate, seat pole setting, back fork tripod, rear fender, rear wheel, pedal drive mechanism, footboard middle axle mechanism, left pedal and right pedal, the back fork tripod include the back fork pipe chute, the upper end of seat pole setting is provided with the bedplate, the lower extreme of seat pole setting pegs graft in the back fork pipe chute, the rear wheel is installed to the bottom of back fork tripod, the rear wheel top is provided with the back fender, the rear wheel passes through pedal drive mechanism and is connected with footboard middle axle mechanism, footboard middle axle mechanism is connected with left pedal, right pedal.

Preferably, the frame, the handlebar assembly and the rear wheel assembly form a square outer frame when folded, the rear wheel and the front wheel are enclosed in the square outer frame, the rear wheel and the front wheel are close to the position where the outer circle of the tire is tangent, the seat plate, the left handlebar and the right handlebar are contained in the vehicle body, and the whole vehicle is in a flat regular cuboid shape.

Preferably, the rear wheel assembly is locked in one of a folded position and an unfolded position by a rear pivot locking mechanism, and the rear wheel assembly is tangent to the outer circumference of the tire of the front wheel when the rear wheel assembly is in the folded position.

Preferably, the upright rod is locked in one of a folding position and an unfolding position through an upright rod locking mechanism in the front wheel assembly, and when the upright rod is in the folding position, the upright rod is parallel to the ground and forms a part of a square outer frame of the vehicle body; when the vertical rod is in the unfolding position, the vertical rod and the ground form an angle close to the vertical direction, so that the effect of connecting and supporting the left handlebar and the right handlebar is achieved.

Preferably, the left handlebar and the right handlebar are locked at one of a folding position and an unfolding position through the handlebar locking mechanism, when the left handlebar and the right handlebar are at the folding position, the left handlebar and the right handlebar are parallel to each other and have two ends parallel to each other, and the left handlebar and the right handlebar are parallel to the plane of the front wheel; when left handlebar, right handlebar are in the expansion position, left handlebar, right handlebar set up to coaxial, and left handlebar, right handlebar arrange respectively in front wheel plane both sides, with the front wheel plane looks perpendicular.

Preferably, the seat upright slides radially along the seat tube, the rear pivot locking mechanism is configured to lock the radial sliding in both the folded position and the unfolded position, and the seat plate is configured to be locked in one of the folded position and the unfolded position; when the seat is folded, the sliding stroke of the seat upright rod is the minimum, the seat upright rod is fully hidden in the rear fork inclined tube, and the seat plate is attached to the rear fork inclined tube, so that the folding effect is achieved; when the seat is unfolded, the sliding stroke of the seat upright rod is automatically adjusted by a rider according to the height, the seat plate is adjusted to a position suitable for the rider to use, and then the seat plate is locked by the rear pivot locking mechanism.

Preferably, the left pedal and the right pedal are configured to be in one of a folded position and a unfolded position; when the bicycle is folded, the left foot board and the right foot board are parallel to the plane of the bicycle body, so that the folding effect is achieved; when the bicycle is unfolded, the left pedal and the right pedal are perpendicular to the plane of the bicycle body.

Preferably, the pedal transmission mechanism adopts one of a chain, a gear set and a connecting rod.

Preferably, the battery charging paste is positioned on the outer surface of the integral frame of the frame, so that non-contact charging is facilitated.

The utility model has the advantages that: the bicycle of this structure is folding back compact, rule, is convenient for deposit, and the folding back of being convenient for many bicycles is concentrated and is deposited or pile up side by side and deposit, and the product of this structure can make in batches and use, can be used for conventional non-electric bicycle, also can be used to electric bicycle, extensive applicability, and the practicality is strong, and application prospect is wide.

Drawings

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;

fig. 1 is a schematic perspective view of the present invention in an expanded state;

fig. 2 is a schematic plan view of the present invention in an expanded state;

fig. 3 is a schematic plane structure view of the folded state of the present invention;

FIG. 4 is a top view of FIG. 3;

fig. 5 is a schematic perspective view showing the unfolded state of the folding cart in embodiment 1;

FIG. 6 is a schematic plan view showing the unfolded state of the folding cart in embodiment 1;

FIG. 7 is a schematic plan view showing a folded state of the folding cart in embodiment 1;

fig. 8 is a top view of fig. 7.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 8, the following technical solutions are adopted in the present embodiment: the utility model provides a frame construction's folding bicycle, includes frame 1, front wheel assembly 2, leading assembly 3 and rear wheel assembly 4, and the preceding, the rear end of frame 1 are connected with front wheel assembly 2, rear wheel assembly 4 respectively, installs leading assembly 3 on the front wheel assembly 2, and leading assembly 3 and frame 1 do not have the relation of connection, and lug connection is on front wheel assembly 2 for adjust the front wheel direction.

The frame 1 comprises a front pivot 101, a rear pivot 102, a rear pivot locking mechanism 103 and a battery charging paste 104; the front wheel assembly 2 is arranged on the frame 1, the front wheel assembly 2 is rotatably arranged around a front pivot 101, the front wheel assembly 2 comprises a front fork 201, a front wheel 202 and a front fender 203, the front fork 201 comprises a vertical rod pivot 204, a vertical rod locking mechanism is further arranged inside the front fork 201, the front wheel 202 is arranged at the bottom end of the front fork 201, and the front fender 203 is arranged above the front wheel 202.

The handlebar assembly 3 is mounted on the front fork 201, the handlebar assembly 3 is rotatably arranged around a handlebar upright rod pivot 204 and is locked and connected through a handlebar upright rod locking mechanism in the front fork, the handlebar assembly 3 comprises a handlebar upright rod 301, a left handlebar 302 and a right handlebar 303, the handlebar upright rod 301 comprises a left handlebar pivot 304 and a right handlebar pivot 304, the handlebar locking mechanism is further arranged at the joint of the handlebar upright rod 301 and the left handlebar 302 and the right handlebar 303, the left handlebar 302 and the right handlebar 303 are mounted at the left end and the right end of the handlebar upright rod 301 and are locked and connected through the handlebar locking mechanism, and the left handlebar 302 and the right handlebar 303 are rotatably arranged around the left handlebar pivot 304 and the right handlebar pivot 304; the handle upright rods 301 and the front wheel assembly 2 form a front wheel plane 300.

The rear wheel assembly 4 is mounted on the frame 1, the rear wheel assembly 4 and the frame 1 form a vehicle body plane 400, the rear wheel assembly 4 is rotatably arranged around a rear pivot 102, the rear wheel assembly 4 comprises a seat plate 401, a seat upright 402, a rear fork triangular frame 403, a rear mudguard 404, a rear wheel 405, a pedal transmission mechanism 406, a pedal middle shaft mechanism 407, a left pedal plate 408 and a right pedal plate 409, the rear fork triangular frame 403 comprises a rear fork inclined tube 410, the upper end of the seat upright 402 is provided with the seat plate 401, the lower end of the seat upright 402 is inserted into the rear fork inclined tube 410, the bottom end of the rear fork triangular frame 403 is provided with a rear wheel 405, the rear mudguard 404 is arranged above the rear wheel 405, the rear wheel 405 is connected with the pedal middle shaft mechanism 407 through the pedal transmission mechanism 406, and the pedal middle shaft mechanism 407 is connected with the left pedal plate 408 and the right pedal plate 409.

The present embodiment has two states of unfolding travel and folding storage. In the unfolded running state, the connecting parts of the components are provided with locking devices for keeping the unfolded state, so that the using mode of the whole bicycle is the same as that of the conventional bicycle; under the folding state of accomodating, frame 1, leading assembly 3 and rear wheel assembly 4 constitute a square outer frame, surround rear wheel 405 and front wheel 202 in this square outer frame, and rear wheel 405 draws close to the tangent position of tire excircle with front wheel 202, and bedplate 401 is folded with left handlebar 302, right handlebar 303 and left and right footboard and is accomodate into the automobile body inside, makes whole car original anomalous bicycle spatial structure, converts into a flat regular cuboid form. Specifically, the folded and unfolded states of the respective portions are as follows:

(1) firstly, the rear wheel assembly 4 is locked at one of a folding position and a unfolding position through the rear pivot locking mechanism 103, and when the rear wheel assembly 4 is at the folding position, the rear wheel 405 is tangent to the outer circle of the tire of the front wheel 202; in the deployed state, the rear wheel assembly 4 is fixed relative to the frame 1 and is secured firmly locked by the rear pivot lock mechanism 103.

Seat upright 402 slides radially along rear fork tube 410, the rear pivot latch mechanism is configured to latch this radial slide both in the folded position and in the unfolded position, while seat plate 401 is configured to latch in one of the folded position and the unfolded position; when the seat is folded, the sliding stroke of the seat upright rod 402 is the minimum, the seat upright rod 402 is fully hidden in the rear fork inclined tube 410, and the seat plate 401 is attached to the rear fork inclined tube 410, so that the folding effect is achieved; when the seat upright post is unfolded, the sliding stroke of the seat upright post 402 is automatically adjusted by a rider according to the height of the rider, the seat plate 401 is adjusted to a position suitable for the rider to use, and then the seat plate is locked by the rear pivot locking mechanism 103, the rear pivot locking mechanism 103 simultaneously locks the seat upright post 402 to radially lift and slide relative to the rear fork inclined tube 410, and in practical application, an independent mechanism can also be adopted to lock the seat upright post to radially lift and slide relative to the rear fork inclined tube.

③ the left foot pedal 408 and the right foot pedal 409 are configured to be in one of a folded position and an unfolded position; when the folding position is reached, the left foot board 408 and the right foot board 409 are parallel to the plane 400 of the vehicle body, so as to achieve the folding effect, the structure fixes the connecting rod for connecting the pedals and the middle shaft at an angle parallel to the ground, and other angles can be adopted in practical application, or the angle of the connecting rod is not fixed, so as to obtain simplified design; in the deployed position, left foot board 408 and right foot board 409 are perpendicular to body plane 400.

(2) Firstly, the whole faucet assembly 3 winds around a vertical rod locking mechanism on a front fork 201, a vertical rod 301 is locked at one of a folding position and an unfolding position through the vertical rod locking mechanism in a front wheel assembly 2, when the vertical rod 301 is in the folding position, the vertical rod 301 is parallel relative to the ground, and the vertical rod 301 forms a part of a square outer frame of a vehicle body; when the standing bar 301 is in the unfolded position, the function of connecting and supporting the left and right handlebars is achieved, the standing bar 301 is at an angle close to the vertical relative to the ground and slightly inclined towards the direction of the seat board 401, and the inclination angle can be adjusted by a rider. In practical applications, the inclination angle can also be set to a fixed value to simplify the design of the vertical rod locking mechanism.

A left handlebar 302 and a right handlebar 303 in the faucet assembly 3 rotate around a left handlebar pivot 304 and are braked by a handlebar locking mechanism and locked at one of a folding position and an unfolding position through the handlebar locking mechanism, when the left handlebar 302 and the right handlebar 303 are at the unfolding position, the left handlebar 302 and the right handlebar 303 are coaxially arranged, and the left handlebar 302 and the right handlebar 303 are respectively arranged at two sides of a front wheel plane 300 and are both vertical to the front wheel plane 300; when the left handlebar 302 and the right handlebar 303 are in the folded positions, the left handlebar 302 and the right handlebar 303 are parallel to each other and close to each other, and the two ends of the left handlebar 302 and the right handlebar 303 are flush with each other, and the left handlebar 302 and the right handlebar 303 are parallel to the front wheel plane 300; when the left handlebar 302 and the right handlebar 303 are in the folded position, they are perpendicular to the ground, and other angles can be used in practical application.

It should be noted that the pedal transmission mechanism 406 is one of a chain, a gear set and a connecting rod, the pedal transmission mechanism 406 includes but is not limited to the above structure, the present embodiment uses a chain as the pedal transmission mechanism, and other forms of transmission mechanisms can be used in practical applications.

The rear wheels 405 and the front wheels 202 have the same diameter, and in practical application, the front wheels and the rear wheels may have different diameters.

In addition, the frame 1 is provided with the battery charging paste 104, so that the non-contact charging of the battery of the electric vehicle can be supported, and when the frame is in a folding position, the battery charging paste 104 is positioned on the outer surface of the integral frame of the frame 1, so that the implementation of the non-contact charging is facilitated.

This embodiment can be used for folding bicycle or folding electric bicycle, and is different from present existing folding bicycle and often folds into an irregular physique to whole car, and the wheel excircle is tangent before and after this car is folding, and frame, rear wheel assembly and leading assembly form the frame that surrounds the wheel before and after, cause appearance under the whole car fold condition to present regular flat cuboid frame construction, and folding back compact, the rule is convenient for deposit, and be convenient for a plurality of bicycles after folding concentrate to deposit side by side or pile up and deposit and freely take out.

The folding mode that this embodiment adopted is used for in the design and the manufacturing of bicycle or electric bicycle possesses the novelty, this frame construction folding bicycle, the problem that need occupy a great space when not only having solved conventional bicycle and depositing, more importantly has solved the problem that a plurality of bicycles are not convenient for deposit in a finite space simultaneously, very easily deposit and accomodate, compare with current common other folding bicycles, have substantive characteristics and apparent progress, possess the creativity, the product based on this structure can be made in batches and use, can be used for conventional non-electric bicycle, also can be used to electric bicycle, possess the practicality, wide market perspective has.

Example 1: a folding bicycle with frame structure (fig. 5-8) is mainly different from the bicycle structure shown in fig. 1-4 in that the rear pivot 102 and the pedal middle shaft are positioned at two ends of a rear fork inclined tube 410, so that the bicycle frame 1 is parallel to the ground after unfolding, the rear pivot and the pedal middle shaft are positioned at the same end of the rear fork inclined tube 410 in the embodiment, even the two shafts can be in a concentric structure, so that the bicycle frame 1 is inclined to the ground after unfolding; this difference makes the former suitable for use with a male bicycle and the present embodiment suitable for use with a female or child bicycle.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. A folding bicycle with a frame structure is characterized by comprising a bicycle frame (1), a front wheel assembly (2), a faucet assembly (3) and a rear wheel assembly (4), wherein the front end and the rear end of the bicycle frame (1) are respectively connected with the front wheel assembly (2) and the rear wheel assembly (4), and the faucet assembly (3) is arranged on the front wheel assembly (2);

the frame (1) comprises a front pivot (101), a rear pivot (102), a rear pivot locking mechanism (103) and a battery charging paste (104); the front wheel assembly (2) is arranged on the frame (1), the front wheel assembly (2) is rotatably arranged around a front pivot (101), the front wheel assembly (2) comprises a front fork (201), a front wheel (202) and a front mudguard (203), the front fork (201) comprises a vertical rod pivot (204), a vertical rod locking mechanism is further arranged in the front fork (201), the front wheel (202) is arranged at the bottom end of the front fork (201), and the front mudguard (203) is arranged above the front wheel (202);

the handlebar assembly (3) is installed on a front fork (201), the handlebar assembly (3) is rotatably arranged around a vertical rod pivot (204) and is connected with the vertical rod locking mechanism in the front fork in a locking manner, the handlebar assembly (3) comprises a vertical rod (301), a left handlebar (302) and a right handlebar (303), the vertical rod (301) comprises a left handlebar pivot (304) and a right handlebar pivot (304), the handlebar locking mechanism is further arranged at the joint of the vertical rod (301) with the left handlebar (302) and the right handlebar (303), the left handlebar (302) and the right handlebar (303) are installed at the left end and the right end of the vertical rod (301) and are connected with each other in a locking manner through the handlebar locking mechanism, and the left handlebar (302) and the right handlebar (303) are rotatably arranged around the left handlebar pivot (304) and the right handlebar pivot (303); the handle upright rod (301) and the front wheel assembly (2) form a front wheel plane (300);

the rear wheel assembly (4) is arranged on the frame (1), the rear wheel assembly (4) and the frame (1) form a vehicle body plane (400), the rear wheel assembly (4) is rotatably arranged around a rear pivot (102), the rear wheel assembly (4) comprises a seat plate (401), a seat upright post (402), a rear fork triangular frame (403), a rear mudguard (404), a rear wheel (405), a pedal transmission mechanism (406), a pedal middle shaft mechanism (407), a left pedal plate (408) and a right pedal plate (409), the rear fork triangular frame (403) comprises a rear fork inclined tube (410), the seat plate (401) is arranged at the upper end of the seat upright post (402), the lower end of the seat upright post (402) is inserted in the rear fork inclined tube (410), the rear wheel (405) is arranged at the bottom end of the rear fork triangular frame (403), the rear mudguard (404) is arranged above the rear wheel (405), and the rear wheel (405) is connected with the pedal middle shaft mechanism (407) through the pedal transmission mechanism (406), the pedal middle shaft mechanism (407) is connected with the left pedal (408) and the right pedal (409).

2. A frame structured folding bicycle according to claim 1, wherein the rear wheel assembly (4) is locked in one of the folded position and the unfolded position by a rear pivot locking mechanism (103), and the rear wheel assembly (4) is in the folded position with the rear wheel (405) being tangent to the outer circumference of the tire of the front wheel (202).

3. A frame structured folding bicycle, according to claim 1, wherein said handlebar stem (301) is locked in one of a folded position and an unfolded position by a handlebar stem locking mechanism in the front wheel assembly (2), and the handlebar stem (301) is parallel to the ground when the handlebar stem (301) is in the folded position; when the upright rod (301) is in the unfolding position, the upright rod (301) and the ground form a vertical angle.

4. A frame structure foldable bicycle according to claim 1, wherein the left handlebar (302) and the right handlebar (303) are locked in one of a folded position and an unfolded position by a handlebar locking mechanism, when the left handlebar (302) and the right handlebar (303) are in the folded position, the left handlebar (302) and the right handlebar (303) are parallel to each other and have two flush ends, and the left handlebar (302) and the right handlebar (303) are parallel to the front wheel plane (300); when the left handlebar (302) and the right handlebar (303) are in the unfolding positions, the left handlebar (302) and the right handlebar (303) are coaxially arranged, and the left handlebar (302) and the right handlebar (303) are respectively arranged on two sides of the front wheel plane (300) and are perpendicular to the front wheel plane (300).

5. A frame structured folding bicycle according to claim 1, wherein the seat upright (402) slides radially along the tube (410), the radial sliding of the seat upright (402) being locked by the rear pivot locking mechanism (103), and in the folded position, the seat upright (402) is hidden in the tube (410), and the seat plate (401) is engaged with the tube (410).

6. A frame structured folding bicycle according to claim 1, wherein said left foot pedal (408) and right foot pedal (409) are configured to be in one of a folded position and an unfolded position; when in the folded position, the left foot pedal (408) and the right foot pedal (409) are parallel to the plane (400) of the vehicle body; in the deployed position, the left foot board (408) and the right foot board (409) are perpendicular to the vehicle body plane (400).

7. The foldable bicycle with a frame structure as claimed in claim 1, wherein the frame (1), the handlebar assembly (3) and the rear wheel assembly (4) form a square outer frame when folded, the rear wheel (405) and the front wheel (202) are enclosed in the square outer frame, the outer circles of the tires of the rear wheel (405) and the front wheel (202) close to each other are tangent, and the whole bicycle is in a flat cuboid shape.

8. A frame structured folding bicycle according to claim 1, wherein the pedal transmission mechanism (406) is one of a chain, a gear train and a link.

9. A frame structured folding bicycle according to claim 1, characterised in that the battery charging patch (104) is located on the outer surface of the frame (1) as a whole.

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