WO2016026195A1

WO2016026195A1 - Locking device for combined wheel carrier of electric folding bicycle

Info

Publication number: WO2016026195A1
Application number: PCT/CN2014/087013
Authority: WO
Inventors: 朱于敏; 王笑涵
Original assignee: 朱于敏; 王笑涵
Priority date: 2014-08-19
Filing date: 2014-09-21
Publication date: 2016-02-25
Also published as: CN204021142U

Abstract

Disclosed is a locking device for a combined wheel carrier of an electric folding bicycle, comprising a front handle frame (1), pedals (2), a seat supporting bar (3) and a rear wheel carrier. The front handle frame and the pedals are movably connected, the seat supporting bar and the pedals are movably connected, and the rear wheel carrier is movably connected to a bottom face of the pedals. A movable rotating part of the rear wheel carrier is provided with a hook groove (5), a locking hook (6) is connected to the bottom face of the pedals via a rotating shaft and an operating handle (7) thereof penetrates upwards through a top face of the pedals, and the locking hook is adapted to the hook groove and is snapped into the hook groove to be locked when extending to a proper position. The locking device according to the present invention has a stable structure and can prevent accidental opening, and the folding of the seating supporting rod can be linked with the unlocking of the rear wheel carrier, and operation is convenient.

Description

Combined wheel frame locking device for electric folding bicycle

Technical field

[0001] The utility model belongs to a folding vehicle accessory, in particular to a combined wheel frame locking device of an electric folding bicycle.

Background technique

[0002] With the improvement of people's living standards, the concept of personality, fashion, health and environmental protection has begun to penetrate the hearts of the people. Fashionable and environmentally-friendly daily necessities and transportation vehicles have been sought after by more and more people, saving storage space and being convenient to carry. The car, after being folded, is small in size and light in weight, and the portable folding vehicle is very convenient to go up and down stairs, driving, taking a bus or subway, and is more and more popular among fashion owners.

[0003] The existing foldable bicycle or electric vehicle has a simple folding manner. Usually, a folding joint is arranged between the front wheel directions of the two frame tubes, and the frame is folded in half by folding the joint. This folding method is very simple. After folding, the volume of the vehicle is still large, and the folding mechanism simply pivots the two frame tubes, and the folded vehicle frame structure is extremely unstable, and the driving safety is not guaranteed, and the like The scooter that simply folds the body is cumbersome and needs further improvement.

[0004] It can be seen that the folding and locking mechanism of the folding frame of the vehicle is particularly important. The folding mechanism affects the folding process of the vehicle, and the locking mechanism affects the structural stability of the vehicle. The folding vehicle of the present invention has a folding mechanism for folding. It is also necessary to add a simple and effective locking mechanism, so that the folding process of the folding vehicle is simplified, the structure after folding is stable, the driving safety factor is improved, and the folding volume of the vehicle is not affected.

[0005] The combined rear wheel frame, including the left wheel frame and the right wheel frame, although the left and right wheel frames are completely unfolded and closed together after being rotated into position, but will be separated by left and right due to jolting during the running, forming a crack at the joint thereof. Not only affects the aesthetics and overall coordination, but its loose activity schedule also shortens the service life of components.

Utility model content

[0006] The problem to be solved by the utility model in order to solve the above technical problem is to provide a combined wheel frame locking device for an electric folding bicycle. The rear wheel frame is locked by the folded joint after folding, and the structure is stable and the operation is simple.

[0007] The utility model is realized by the following technical solution: designing a combined wheel frame locking device of an electric folding bicycle, The movable rotating portion of the rear wheel frame is provided with a hook groove. The locking hook is connected to the bottom surface of the pedal through the rotating shaft, and the operating handle is upwardly passed out of the top surface of the pedal. The locking hook is matched with the hook groove. When the hook is extended, the locking hook is caught in the hook groove. Locking; setting a return spring or a spring piece; the lock hook is provided with a magnet, the material of the movable rotating portion is preferably metal iron; the movable rotating portion is provided with a magnet, and the material of the locking hook is preferably metal iron; the lock a hook is disposed at a position corresponding to the movable rotating portion; the locking hook includes a handle, an arm and a knuckle, and the inflection point of the handle and the arm is disposed with a rotating shaft connected to the bottom surface of the pedal; the handle is disposed at a position of the top surface of the pedal Corresponding to the combined position of the seat support bar; the lock hook is L-shaped.

[0008] The beneficial effects of the utility model are:

1. The utility model relates to a combined wheel frame locking device of an electric folding vehicle, which automatically locks when the rear wheel frame is folded and unfolded, has a stable structure, avoids accidental opening, and the folding of the seat support bar can be unlocked with the rear wheel frame. The linkage can be unlocked after the seat support rod is closed, and the unlocking of the rear wheel frame does not require an additional unlocking process, and the operation is convenient, and the folding process and volume of the vehicle are optimized to a large extent.

[0009] 2. The locking hook is provided with a return spring or a spring piece, and the spring or the elastic piece can play an auxiliary role, and the hook groove is automatically locked when it is rotated to the corresponding position of the locking hook.

[0010] 3. The lock hook is provided with a magnet, and the material of the movable rotating portion is preferably metal iron, and the magnet has the function of adsorbing metal iron, so the lock hook can adsorb the movable rotating portion of the rear wheel frame, and the rear wheel frame automatically locks; similarly, A magnet may be provided at the movable rotating portion, and the material of the hook is preferably metal iron.

[0011] 4. The magnet is arranged corresponding to the position of the lock hook and the movable rotating part, and the material of the lock hook and the movable rotating part is not particularly limited, and the high-strength material such as stainless steel can be selected for both, and the rear wheel frame can still be automatically locked.

[0012] 5. The lock hook includes a handle, an arm and a knuckle, and the inflection point of the handle and the arm is provided with a rotation shaft connected to the bottom surface of the pedal, and the lock hook is rotatable relative to the bottom surface of the pedal, and the lock hook is preferably L-shaped, and is operated The angle between the handle and the arm is inclined, and the length of the handle is smaller than the length of the arm. When the handle is pressed, the arm moves upward to drive the hook off the rear wheel frame, and the handle handles a small distance when hooking The tongue can get a large moving distance, and the unlocking is convenient and labor-saving.

[0013] 6. The position of the handle shank passing through the top surface of the pedal corresponds to the merged position of the seat support rod, and the unlocking linkage between the seat support rod and the rear wheel frame can be achieved, and the handle handle can be pressed when the seat support rod is folded. The rear wheel frame is automatically unlocked.

[0014] 7. The lock hook is L-shaped, corresponding to the hook groove provided by the movable rotating portion of the rear wheel frame, and the locking and unlocking between the two are very convenient and labor-saving.

DRAWINGS

1 is a schematic view showing a locking structure of a rear wheel carrier of the present invention;

Figure 2 is a schematic view showing the structure of the lock hook of the present invention;

Figure 3 is a schematic structural view of the rear wheel frame of the present invention;

Figure 4 is a schematic view showing the structure of the rear wheel frame of the lock hook of the present invention;

Figure 5 is a cross-sectional view of the rear wheel frame of the lock hook of the present invention;

Figure 6 is a schematic view showing the unfolding structure of the folding vehicle of the present invention;

Figure 7 is a schematic view showing the closed structure of the seat support rod of the present invention;

Figure 8 is a schematic view showing the closed structure of the folding vehicle of the present invention;

In the figure: 1, front handle; 2, pedal; 3, seat support rod; 4, movable rotating part; 5, hook groove; 6, lock hook; 7, handle; 8, spring; 9, magnet; , arm; 11, hook tongue; 12, left wheel frame; 13, right wheel frame; 14, left rear wheel; 15, right rear wheel; 16, front wheel.

detailed description

[0016] As shown in the figure, the utility model relates to a combined wheel frame locking device for an electric folding bicycle, which is characterized in that: a combined wheel frame locking device of an electric folding bicycle, the front frame 1 is movably connected with the pedal 2, and the seat support The rod 3 is movably connected to the pedal 2, and the rear wheel frame is movably connected to the bottom surface of the pedal 2, wherein the movable rotating portion 4 of the rear wheel frame is provided with a hook groove 5, and the locking hook 6 is connected to the bottom surface of the pedal 2 through the rotating shaft, and the handle 7 is upward. The top surface of the pedal 2 is worn out, and the locking hook 6 is adapted to the hook groove 5. When the position is extended, the locking hook 6 is locked into the hook groove 5 to be locked.

[0017] The electric folding vehicle includes a front frame 1, a pedal 2, a seat support bar 3 and a rear wheel frame, a folding between the pedal 2 and the front frame 1, a folding between the seat support bar 3 and the pedal 2, and a rear wheel frame Foldable with the pedal 2, after the folding is completed, the front frame 1, the seat support bar 3, the pedal 2 and the rear wheel frame are attached to each other, and the seat support bar 3, the pedal 2 and the rear wheel frame are arranged in front of each other. Put the outline of the frame 1 into the space.

[0018] The vehicle is folded from the unfolded state, and the handle 7 is pressed, the hook portion of the lock hook 6 is moved upward, is disengaged from the hook groove 5, the lock hook 6 is disengaged from the rear wheel frame movable rotating portion 4, the rear wheel frame is unlocked, and the rear wheel can be engaged. The folding of the frame folds the rear wheel frame toward the bottom surface of the pedal 2, and the pedal 2 drives the seat support bar 3 together to fold the frame 1 forward to fit the front frame 1, and the frame is folded.

[0019] The vehicle is unfolded in a folded state, the pedal 2 and the seat support bar 3 are opened, the rear wheel frame is opened, and when the rear wheel frame and the pedal 2 are opened, the rear wheel frame is rotated relative to the pedal 2, and the movable rotating portion 4 is opposite to the pedal 2 Rotating, when the hook groove 5 is rotated to the position of the locking hook 6, the locking hook 6 is snapped into the hook groove 5, the locking hook 6 is engaged with the movable rotating portion 4, and the rear wheel frame is locked to prevent the left wheel frame 12 during running. Separated from the right wheel frame 13.

[0020] More preferably, the locking hook 6 is provided with a return spring 8 or a spring piece, and the spring 8 or the elastic piece can act as a boosting force, and the spring 8 or the elastic piece can assist the locking hook 6 when the hook groove 5 is rotated to the position of the locking hook 6. It automatically falls into the hook groove 5 to achieve automatic locking. When the handle 7 is unlocked during unlocking, the resistance of the spring 8 is overcome, and the lock hook 6 is pulled upwards out of the hook groove 5.

[0021] More preferably, the lock hook 6 is provided with a magnet 9, and the material of the movable rotating portion is preferably metal iron, and the magnet 9 has a function of adsorbing metal iron, so that the lock hook 6 can suck the rear wheel frame movable rotating portion 4, when the hook groove 5 is rotated to When the position of the locking hook 6 is reached, the locking hook 6 automatically falls into the hook groove 5 to achieve automatic locking. When the handle 7 is unlocked during unlocking, the magnetic force of the magnet 9 is overcome, and the lock hook 6 is pulled upwards out of the hook groove 5.

[0022] Similarly, a magnet may be provided in the movable rotating portion 4, and the material of the locking hook 6 is preferably metallic iron.

[0023] A magnet may be separately disposed at a position corresponding to the movable hook portion 4 (for example, in the hook groove 5). The design of the lock hook 6 and the movable rotating portion 4 is not particularly limited, and stainless steel or the like may be used. High-strength materials can still automatically lock the rear wheel frame.

[0024] More preferably, the lock hook 6 includes a handle 7, a support arm 10 and a knuckle 11. The handle 7 and the inflection point of the arm 10 are provided with a rotating shaft connected to the bottom surface of the pedal. The lock hook 6 can be rotated relative to the bottom surface of the pedal. The handle 7 and the arm 10 are inclined at an angle, the length of the handle 7 is smaller than the length of the arm 10, the weight of the arm 10 is greater than the weight of the handle 7, and the arm 10 is lowered due to its own weight. . When the handle 7 is pressed, the arm 10 moves upward to drive the knuckle 11 out of the rear wheel frame, and the knuckle 11 can obtain a large movable distance when the handle 7 is moved a small distance, and the unlocking is convenient.

[0025] The locking hook 6 is preferably L-shaped.

[0026] More preferably, the position of the handle 7 passing through the top surface of the pedal corresponds to the merged position of the seat support rod, and the unlocking linkage between the seat support rod and the rear wheel frame can be realized, and the seat support rod fits to the pedal, and the touch When the handle 7 is touched and pressed, the lock hook 6 is disengaged from the hook groove 5, and the rear wheel frame is automatically unlocked, which simplifies the operation steps and is ingeniously designed.

[0027] The vehicle is unfolded from the folded state, the rear wheel frame is opened, the pedal 2 and the seat support bar 3 are opened, and when the rear wheel frame and the pedal are opened, the pedal 2 presses the spring 8 to spring the lock tongue 6 into the hook groove 5, and the lock hook 6 is engaged with the movable rotating portion 4, and the rear wheel frame is locked.

[0028] The vehicle is folded from the unfolded state, and the seat support bar 3 is folded toward the pedal 2. When the seat support bar 3 and the pedal 2 are closed, the seat support bar 3 pushes the handle 7 and the arm 10 moves upward to drive the knuckle 11 is disengaged from the rear wheel frame, the rear wheel frame is unlocked, the rear wheel frame can be folded, the rear wheel frame is folded toward the bottom surface of the pedal 2, the spring 8 and the arm 10 are returned, the rear wheel frame and the pedal 2, the seat support rod 3 Fold the frame 1 forward together to the front frame 1 and fold the frame.

[0029] Preferably, the rear wheel carrier of the present solution comprises a left wheel frame 12 and a right wheel frame 13, and the left wheel frame 12 and the right wheel frame 13 are arranged as an extended rear wheel frame, the length of which is lengthened, and the left wheel frame 12 and the right wheel frame 13 can be folded The left wheel frame 12 and the right wheel frame 13 can be respectively moved to the left and right sides of the pedal, and the left rear wheel 14 and the right rear wheel 15 are just moved to the two sides of the front wheel 16, and the three wheels are arranged side by side. The space of the three wheels is reduced to a large extent. The vehicle can stand on the ground and has a closed shell shape. The folding volume of the vehicle is greatly optimized, the space is small, and the vehicle can be pulled forward, saving time and effort.

[0030] The utility model relates to a combined wheel frame locking device of an electric folding vehicle, which automatically locks when the rear wheel frame of the folding vehicle is folded and unfolded, has a stable structure, avoids accidental opening, and the folding of the seat support rod 3 can be combined with the rear wheel The unlocking of the frame realizes linkage, and the locking bar 6 can be unlocked after the seat support bar 3 is closed. The unlocking of the rear wheel frame does not require an additional unlocking process, and the operation is convenient, and the folding process and volume of the vehicle are optimized to a large extent.

[0031] It should be noted that the above embodiments are merely preferred embodiments of the present invention. For those skilled in the art, any equivalent or similar replacements are included in the present invention in accordance with the working principle of the present invention. The scope of protection of utility models.

Claims

A combined wheel frame locking device for an electric folding bicycle, characterized in that: the front frame is movably connected with the pedal, the seat support bar is movably connected with the pedal, the rear wheel frame is movably connected to the bottom surface of the pedal, and the movable rotating portion of the rear wheel frame is set The hook groove is connected to the bottom surface of the pedal through the rotating shaft, and the operating handle is upwardly passed out of the top surface of the pedal. The locking hook is matched with the hook groove, and the locking hook is locked into the hook groove when the position is extended.
The combined wheel carrier locking device for an electric folding bicycle according to claim 1, wherein the locking hook is provided with a return spring or a spring piece.
The combined wheel carrier locking device for an electric folding bicycle according to claim 1, wherein the lock hook is provided with a magnet, and the material of the movable rotating portion is preferably metal iron.
The combined wheel carrier locking device for an electric folding bicycle according to claim 1, wherein the movable rotating portion is provided with a magnet, and the material of the locking hook is preferably metal iron.
A combined wheel carrier locking device for an electric folding bicycle according to claim 1, wherein the lock hook is provided with a magnet at a position corresponding to the movable rotating portion.
A combined wheel carrier locking device for an electric folding bicycle according to claim 1, 2, 3, 4 or 5, wherein said lock hook comprises a handle, an arm and a knuckle, and the handle and the arm The inflection point sets the shaft that is connected to the bottom surface of the pedal.
A combined wheel carrier locking device for an electric folding bicycle according to claim 1, 2, 3, 4 or 5, wherein the position at which the handle is passed out of the top surface of the pedal corresponds to the combination of the seat support rod position.
A combined wheel carrier locking device for an electric folding bicycle according to claim 1, 2, 3, 4 or 5, wherein said locking hook is L-shaped.