CN112124482A

CN112124482A - Folding scooter or electric scooter

Info

Publication number: CN112124482A
Application number: CN202011057772.0A
Authority: CN
Inventors: 梁德
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2020-12-25

Abstract

The invention provides a foldable scooter or electric scooter, which comprises a scooter head assembly, a pedal assembly, a connecting rod assembly, an auxiliary spring, a front fork assembly, a handlebar transverse assembly, a front wheel and a rear wheel, wherein the scooter head assembly is connected with the pedal assembly; the lower end of the headstock assembly is hinged with the front end of the connecting rod assembly, the lower end of the pedal assembly is hinged with the rear end of the connecting rod assembly, the rear end of the headstock assembly is in lap joint with the front upper end of the pedal assembly, an auxiliary spring is connected between the headstock assembly and the connecting rod assembly, the rear end of the connecting rod assembly can be assisted to be lifted when the rear end of the headstock assembly is separated from contact with the front upper end of the pedal assembly, the front end of the pedal assembly is further assisted to be lifted upwards, and the effect of retracting the pedal assembly is achieved; in addition, two fixing modes after the vehicle is folded are provided, so that the vehicle folding scheme of the scooter or the electric scooter which has a simple and reliable structure, can conveniently fold the pedals and ensures that the rear wheels are close to the front wheels as far as possible is provided.

Description

Folding scooter or electric scooter

Technical Field

The invention relates to the technical field of scooters and electric scooters, in particular to a foldable scooter and an electric scooter.

Background

Traditional scooter and electric scooter's folding mode mainly is that the realization is violently drawn close with the rear wheel, and this kind of folding mode mainly has following several drawbacks:

1. after folding, the front wheel is too far away from the rear wheel, the vehicle body is too low, and the folding is inconvenient to carry;

2. after the folding is finished, the folding is not compact enough, the occupied area is too large, and the packaging volume is too large;

3. the folding and unfolding are not convenient enough, and the user needs to bend down or squat to complete the folding;

4. the folding mechanism is complex and not stable enough, and is easy to generate abnormal sound.

The present invention is intended to solve the above problems with a simpler folding solution.

Disclosure of Invention

The invention aims to provide a scooter folding mechanism solution which is simple and reliable in structure and can be pushed after being folded by drawing front and rear wheels together.

In order to achieve the purpose, the invention provides a vehicle body structure which connects a vehicle head and a pedal together by a connecting rod structure, and simultaneously, corresponding lap joint parts are respectively arranged at the contact positions of the vehicle head and the pedal to realize stable connection; the auxiliary spring is further arranged between the connecting rod and the vehicle head, so that the stability of the vehicle body structure can be enhanced, the automatic folding function of the pedal can be realized, and in addition, the invention also provides two fixing modes of the vehicle body after being folded. The bicycle comprises a bicycle head assembly, a pedal assembly, a connecting rod assembly, an auxiliary spring, a front fork assembly, a handlebar transverse assembly, a front wheel and a rear wheel; the front fork assembly is arranged below the bicycle head assembly, the handlebar transverse assembly is arranged above the bicycle head assembly, the front fork assembly and the handlebar transverse assembly are fixedly connected and can rotate relative to the bicycle head assembly, the lower end of the bicycle head assembly is hinged with the front end of the connecting rod assembly, the lower end of the pedal assembly is hinged with the rear end of the connecting rod assembly, the front lower end of the pedal assembly contacts with the middle part of the connecting rod assembly to form a support under the action of gravity in a riding state, lap joint parts are respectively arranged at the rear end of the bicycle head assembly and the front upper end of the pedal assembly, and the lap joint parts contact with each other under the action of gravity in the riding state, so that the function of limiting rotation of the bicycle head assembly and the; the front wheel is installed at the lower end of the front fork assembly, the rear wheel is installed at the rear end of the pedal assembly, and the pedal assembly is folded to enable the rear wheel to be close to the front wheel.

Preferably, the lapping part at the rear end of the vehicle head assembly is arranged to be a groove structure, and the front upper end of the pedal assembly is arranged to be a convex structure, so that the vehicle head assembly and the pedal assembly are tightly meshed with each other.

Preferably, an auxiliary spring is connected between the headstock assembly and the connecting rod assembly, so that the rear end of the connecting rod assembly can be lifted under the action of the auxiliary spring when the convex structure is separated from the groove, the front end of the pedal assembly is conveniently lifted upwards, the beneficial effect of assisting in folding the pedal assembly is achieved, and meanwhile, the auxiliary spring can ensure that the lap joint between the groove and the convex structure has certain pre-pressure when the vehicle is in an unfolded state, and the vehicle structure is ensured to have certain stability.

Preferably, in order to realize the fixed relation among all parts of the vehicle in the folded state, the invention provides two fixing modes.

In the first mode, a headstock clamping groove structure is arranged at the upper end of the headstock component, a clamping hook is arranged at the opening end of the headstock clamping groove structure and can rotate relative to the headstock clamping groove structure, a return spring is arranged between the clamping hook and the headstock component, and the clamping hook realizes the sealing of the headstock clamping groove structure under the action of the return spring; the front lower end of the pedal assembly is fixed with a pin shaft, when the vehicle is in a folded state, the pin shaft is clamped in the headstock clamping groove structure, and under the constraint action of the clamping hook, the pin shaft is limited in the clamping groove structure, so that a relatively fixed form is formed among the headstock assembly, the connecting rod assembly and the pedal assembly.

In the second mode, a guide groove structure is arranged at the rear lower end of the pedal assembly, a guide rod is arranged in the guide groove structure, the front end of the guide rod is of a wedge-shaped structure, a driving lever is fixed on the guide rod, a pedal slot is arranged on the pedal assembly, the driving lever penetrates through the slot and extends out of the upper surface of the pedal assembly, a limiting spring is further sleeved on the guide rod, the front end of the limiting spring abuts against the guide rod, the driving lever is extruded at the front end of the pedal slot, and the rear end of the limiting spring abuts against the rear end of the guide groove structure; a connecting rod clamping groove is formed in the bottom of the connecting rod assembly, and when the vehicle is in a folded state, the wedge-shaped structure at the front end of the guide rod is clamped in the connecting rod clamping groove; the rear end of the vehicle head assembly is provided with a vehicle head upper limiting structure, when the vehicle is in a folded state, the vehicle head upper limiting structure can abut against the connecting rod assembly, and therefore a relatively fixed form is formed among the vehicle head assembly, the connecting rod assembly and the pedal assembly under the action of gravity.

Preferably, in order to prevent the connecting rod assembly from excessively rotating relative to the vehicle head assembly, the vehicle head assembly is provided with a vehicle head lower limiting structure for limiting the connecting rod assembly to rotate downwards relative to the vehicle head assembly by a too large angle, the connecting rod assembly cannot touch a front wheel under the action of the vehicle head limiting structure, and the convex structure at the front upper end of the pedal assembly cannot slide to the position below the corresponding lap joint part of the vehicle head assembly in the folding process.

Preferably, the front lower end of the pedal assembly is provided with a friction block, and when the vehicle is folded, the front lower end of the pedal assembly is prevented from seriously colliding or wearing the vehicle head assembly through the friction block.

When the vehicle is in an unfolded state, under the action of the self weight of the vehicle and the auxiliary spring, the convex structure and the groove are tightly pressed together, when the vehicle is folded, the vehicle head assembly needs to be pushed forward by a certain angle through the transverse assembly, when the convex structure and the groove are separated from contact, the pedal assembly can be upwards folded under the action of the auxiliary spring, in order to prevent the pedal assembly from upwards folding due to vibration and the like in the using process, preferably, the vehicle head assembly is provided with a safety drag hook, one end of the safety drag hook is hinged with the vehicle head assembly, when the vehicle is in a using state, the other end of the safety drag hook hooks the convex structure of the pedal assembly, and at the moment, under the limiting action of the safety drag hook, the folding structure of the vehicle is in a locked state.

Preferably, in order to limit the rotation of the connecting rod assembly relative to the vehicle head assembly when the vehicle is in the folded state, a hook position is arranged on the connecting rod assembly, and when the vehicle is in the folded state, the hook position on the connecting rod assembly can be hooked by rotating the safety hook.

Compared with the prior art, the invention has the advantages that: the folding state of the invention is that the front wheels and the rear wheels are close, the folding state can still be pushed, and the carrying is convenient; the pedal can be automatically folded under the action of the auxiliary spring and can be quickly fixed during folding, and the operation is simple and quick without the need of squatting or stooping of a user; in addition, the folding state occupies a small area, and is more favorable for carrying or storing in narrow and small spaces such as elevators, offices and the like.

Drawings

FIG. 1 is a schematic diagram of a whole vehicle structure in the embodiment of the invention;

FIG. 2 is an exploded view of the connection between the main components and assemblies according to the embodiment of the present invention;

FIG. 3 is a schematic view of a vehicle head assembly and a pedal assembly overlapping in an embodiment of the invention;

FIG. 4 is a schematic structural view of a folding fixing part at the upper end of the head assembly in the embodiment of the invention;

FIG. 5 is a schematic view showing the installation position of the front end pin shaft of the pedal assembly according to the embodiment of the present invention;

FIG. 6 is a schematic view of a first mode of a folded fixing mode according to an embodiment of the present invention;

FIG. 7 is a schematic view of a rear end fixing structure of the pedal assembly according to the embodiment of the present invention;

FIG. 8 is a schematic view of a second mode of fixing after folding in the embodiment of the present invention;

FIG. 9 is a schematic view of a structure for limiting the rotation of the connecting rod assembly relative to the head assembly according to an embodiment of the present invention;

FIG. 10 is a front end schematic view of a pedal assembly in accordance with an embodiment of the present invention;

FIG. 11 is a schematic view of the safety retractor in an embodiment of the present invention shown in an attached relationship to a linkage assembly;

FIG. 12 shows the final folding effect of the whole vehicle achieved in the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be further described below. The preferred embodiments of the invention as expressed herein will be understood by those skilled in the art to which the invention pertains and to which the invention pertains may be modified in view of the description herein, while still achieving the advantageous effects of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "upper end", "lower end", "front end", "rear end", "left and right", "bottom", "outer", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," and "nested" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

As shown in fig. 1 and 2, the present invention provides a foldable scooter or electric scooter, comprising a head assembly 1, a pedal assembly 2, a connecting rod assembly 3, an auxiliary spring 4, a front fork assembly 5, a handlebar cross assembly 6, a front wheel 7 and a rear wheel 8, wherein the front fork assembly 5 is rotatably connected with the head assembly 1, the handlebar cross assembly 6 is fixedly connected with the front fork assembly 5, the front wheel 7 is connected with the bottom end of the front fork assembly 5, and the rear wheel 8 is connected with the rear end of the pedal assembly 2. As shown in fig. 2, mounting holes are respectively formed at the bottom of the head assembly 1 and the front end of the connecting rod assembly 3, and the two are hinged through a head rotating shaft 11; mounting holes are respectively formed in the bottom of the pedal assembly 2 and the rear end of the connecting rod assembly 3, and the pedal assembly 2 and the connecting rod assembly are hinged through a pedal rotating shaft 21; as shown in fig. 3, in the present embodiment, the convex structure at the front end of the pedal assembly 2 is designed as a roller 22 (refer to fig. 10), and the rear end of the head assembly 1 is designed as a groove structure, the opening size of the groove structure is slightly larger than the diameter of the roller 22, and the roller 22 is located in the groove structure when the vehicle is in the unfolded state. As shown in fig. 10, in the present embodiment, the pedal assembly 2 has a pedal 24 as a main body, a roller bracket 23 is fixed to a front end of the pedal 24, and the roller 22 is connected to the roller bracket 23 through a roller pin 221.

As shown in fig. 2, an auxiliary spring 4 is further connected between the connecting rod assembly 3 and the head assembly 1, under the action of the auxiliary spring 4, the rear end of the connecting rod assembly 3 tends to lift upwards, in this embodiment, a form of a tension spring is adopted, further, a first hook position is arranged at the front upper end of the connecting rod assembly 3, in this embodiment, the first hook position is realized through a through hole arranged at the tail end of the connecting rod assembly 3, a second hook position is arranged on the head assembly 1, in this embodiment, the second hook position is realized by fixing a hanging ring 18 on the head assembly 1, the second hook position is arranged in the front upper part of the first hook position, and drag hooks at two ends of the auxiliary spring 4 hook the first hook position and the second hook position respectively.

Fig. 6 shows a first fixing mode after the vehicle is folded, as shown in fig. 4, a vehicle head clamping groove structure is arranged at the upper end of the vehicle head component 1, the vehicle head clamping groove structure is realized by a clamping groove seat 15, a clamping hook 13 is arranged at the opening end of the vehicle head clamping groove structure, the clamping hook 13 can rotate relative to the vehicle head clamping groove structure, a return spring 14 is arranged between the clamping hook 13 and the clamping groove seat 15, and the clamping hook 13 realizes the sealing of the vehicle head clamping groove structure under the action of the return spring 14; correspondingly, as shown in fig. 5, a pin shaft 32 is fixed at the front lower end of the pedal assembly 2, when the vehicle is in a folded state, the pin shaft 32 is clamped in the headstock clamping groove structure, as shown in fig. 6, under the constraint action of the clamping hook 13, the pin shaft 32 is limited in the headstock clamping groove structure, so that the headstock assembly 1, the connecting rod assembly 3 and the pedal assembly 2 form a relatively fixed shape. In the present embodiment, a symmetrical structure is adopted, and the slot seat 15 and the hook 13 are respectively in a restriction relation with the pin shaft 32 at the left and right sides of the vehicle. Specifically, draw-in groove seat 15 is bilateral symmetry structure, be fixed in the last rear end of locomotive subassembly 1 through the welded mode, pothook 13 also is symmetrical structure, both ends are realized articulated through step screw 17 and the both ends of draw-in groove seat 15 respectively about pothook 13, return spring 14 is pressure spring, both ends support respectively on draw-in groove seat 15 and pothook 13, return spring 14 is used for realizing the closure of pothook 13 to locomotive draw-in groove structure, for the convenience of selling axle 32 and slide into locomotive draw-in groove structure smoothly, pothook 13 tip outer fringe adopts the wedge structure.

Fig. 8 shows another fixing manner after folding, as shown in fig. 7, a guide groove structure is arranged at the rear lower end of the pedal assembly 2, a guide rod 25 is arranged in the guide groove structure, the front end of the guide rod 25 is of a wedge-shaped structure, a shift lever 26 is fixed on the guide rod 25, a pedal slot is arranged on the pedal assembly 2, the shift lever 26 passes through the pedal slot and extends out of the upper surface of the pedal assembly 2, a limit spring 27 is sleeved on the guide rod 25, the front end of the limit spring 27 abuts against the step structure of the guide rod 25, the shift lever 26 is pressed at the front end of the pedal slot, and the rear end of the limit spring 27 abuts against the bottom of the guide groove structure; as shown in fig. 8, a connecting rod slot is arranged at the bottom of the connecting rod assembly 3, and when the vehicle is in a folded state, the wedge-shaped structure at the front end of the guide rod 25 is clamped in the connecting rod slot; as shown in fig. 9, the rear end of the head assembly 1 is provided with a head upper limiting structure, and when the vehicle is in a folded state, the head upper limiting structure can abut against the connecting rod assembly 3, so that the head assembly 1, the connecting rod assembly 3 and the pedal assembly 2 form a relatively fixed shape under the action of gravity.

In the embodiment, the guide groove structure is realized by a guide groove bracket 29, the front end of the guide groove bracket 29 is an open structure, the rear end of the guide groove bracket 29 is provided with a bottom hole, the size of the bottom hole is smaller than that of the opening of the front end, the guide groove bracket 29 is fixed on the pedal 24 by welding, meanwhile, the upper end of the guide groove bracket 29 is provided with an oblong hole, and the deflector rod 26 passes through the oblong hole and is fixedly connected with the guide rod 25 by a fastening screw 261; the guide rod 25 adopts a step structure, the limit spring 27 is abutted against the step structure, the front end of the guide rod 25 is arranged into a wedge-shaped structure, and the tail end of the guide rod passes through a bottom hole of the guide groove support 29 (refer to fig. 7).

As shown in fig. 10, a friction block 28 is disposed at the front lower end of the pedal assembly 2, in this embodiment, the friction block 28 is made of plastic, and when the pedal assembly 2 is folded, the friction block 28 can prevent the front end of the pedal assembly 2 from seriously colliding with or wearing the head assembly 1.

As shown in fig. 9, in order to prevent the connecting rod assembly 3 from rotating excessively relative to the vehicle head assembly 1, the vehicle head assembly 1 is provided with a vehicle head lower limit structure for limiting the connecting rod assembly 3 from rotating by an excessively large angle relative to the vehicle head assembly 1, the connecting rod assembly 3 cannot touch the front wheel 7 under the effect of the vehicle head limit structure, and the roller 22 at the upper front end of the pedal assembly 2 cannot slide down to the lower part of the corresponding lapped groove of the vehicle head assembly 1 in the folding process.

As shown in fig. 3, when the vehicle is in an unfolded state, under the action of the self weight of the vehicle and the auxiliary spring 4, the roller 22 and the groove are tightly pressed together, when the vehicle is folded, the transverse assembly 6 needs to be operated to push the vehicle head assembly 1 forward for a certain angle, when the roller 22 and the groove are separated from contact, the pedal assembly 2 can be folded upwards under the action of the auxiliary spring 4, in order to prevent the pedal assembly 2 from being folded upwards in the using process, preferably, a draw hook 16 is arranged on the vehicle head assembly 1, and one end of the safety draw hook 16 is hinged with the vehicle head assembly 1; as shown in fig. 1, when the vehicle is in a use state, the other end of the safety hook 16 is hooked on the roller 22 of the pedal assembly 2, and at this time, under the restriction action of the safety hook 16, the folding structure of the vehicle is in a locked state, and when the safety hook 16 is in an open state, the vehicle can be folded.

As shown in fig. 11, a hook position is provided on the connecting rod assembly 3, in this embodiment, the hook position is realized by a single plastic hook position 31, the plastic hook position 31 is used as a buffer member when the connecting rod assembly 3 contacts against the head assembly 1, when the vehicle is in the folded state, the rotating safety hook 16 can hook the hook position on the connecting rod assembly 3, and the rotating safety hook can limit the rotation of the connecting rod assembly 3 relative to the head assembly 1 when the vehicle is in the folded state, so as to ensure that the whole vehicle cannot be loosened when the vehicle is in the folded state.

Fig. 12 shows the folding effect of the whole vehicle, and the folding fixing mode is a second mode.

The above description is only a preferred embodiment of the present invention and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A foldable scooter or electric scooter is characterized by comprising a head assembly, a pedal assembly, a connecting rod assembly, an auxiliary spring, a front fork assembly, a handlebar transverse assembly, a front wheel and a rear wheel, wherein the lower end of the head assembly is hinged with the front end of the connecting rod assembly, the rear end of the connecting rod assembly is hinged with the lower end of the pedal assembly, lap joint parts are correspondingly arranged at the rear end of the head assembly and the front upper end of the pedal assembly respectively, when the scooter or electric scooter is in a use state, the corresponding lap joint parts are in contact with each other, and when the scooter or electric scooter is in a folded state, the corresponding lap joint parts are separated from each other;

the front fork assembly is rotatably connected with the head assembly, the front fork assembly is fixedly connected with the handle transverse assembly, the front wheel is installed at the lower end of the front fork assembly, and the rear wheel is installed at the rear end of the pedal assembly.

2. The foldable scooter or electric scooter as claimed in claim 1, wherein the corresponding overlapping portion is configured as a groove structure at the rear end of the head assembly and a convex structure at the front upper end of the pedal assembly.

3. The foldable scooter or electric scooter of claim 1, wherein an auxiliary spring is connected between the linkage assembly and the head assembly.

4. The foldable scooter or electric scooter as claimed in claim 1, wherein a headstock clamping groove structure is provided at an upper end of the headstock assembly, a hook is provided at an open end of the headstock clamping groove structure, the hook is rotatable relative to the headstock clamping groove structure, and a return spring is provided between the hook and the headstock assembly;

the front lower end of the pedal assembly is fixed with a pin shaft, and when the vehicle is in a folded state, the pin shaft is clamped in the vehicle head clamping groove structure.

5. The foldable scooter or electric scooter as claimed in claim 2, wherein a guide groove structure is provided at a lower end of the pedal assembly, a guide rod is provided in the guide groove structure, the guide rod can slide in the guide groove structure, a front end of the guide rod is wedge-shaped, a shift lever is fixed on the guide rod, a pedal slot is provided on the pedal assembly, the shift lever passes through the pedal slot and extends out of an upper surface of the pedal assembly, a limit spring is sleeved on the guide rod, a front end of the limit spring abuts against the guide rod, and a rear end of the limit spring abuts against the guide groove structure;

a connecting rod clamping groove is formed in the connecting rod assembly, and when the vehicle is in a folded state, a wedge-shaped structure at the front end of the guide rod is clamped in the connecting rod clamping groove;

the headstock assembly is provided with a headstock upper limiting structure for limiting the connecting rod assembly to rotate upwards by an overlarge angle relative to the headstock assembly.

6. The foldable scooter or electric scooter of claim 1, wherein a lower head limiting structure is provided on the head assembly for limiting the connecting rod assembly from rotating downward at an excessive angle relative to the head assembly.

7. The foldable scooter or electric scooter of claim 1, wherein a friction block is provided at a front lower end of the pedal assembly.

8. The foldable scooter or electric scooter as claimed in claim 2, wherein the head assembly is provided with a safety hook, one end of the safety hook is hinged to the head assembly, and the other end of the safety hook hooks the protruding structure of the pedal assembly when the scooter is in use.

9. The foldable scooter or electric scooter of claim 8, wherein the linkage assembly is provided with a hook position, and the safety hook hooks the hook position when the scooter is in a folded state.