WO2016000112A1

WO2016000112A1 - Linked locking mechanism for electric folding bicycle

Info

Publication number: WO2016000112A1
Application number: PCT/CN2014/081096
Authority: WO
Inventors: 罗梓珊; 路海燕; 罗云国
Original assignee: 罗梓珊; 路海燕; 罗云国
Priority date: 2014-06-30
Filing date: 2014-06-30
Publication date: 2016-01-07

Abstract

Disclosed is a linked locking mechanism for an electric folding bicycle, characterized in that a sliding rail is provided on a handlebar frame; a front end of a pedal slides along the sliding rail; a seat supporting rod is flexibly connected with the pedal; a lock tongue is provided on a rear part of a tail end of the seat supporting rod; a stopper is provided on a tail end of the sliding rail; and the stopper is matched with a front part of the tail end of the seat supporting rod. The application of the present invention makes folding and locking convenient, and the handle frame, the seat supporting rod and the pedal can be locked in a linked manner.

Description

Linkage locking mechanism of electric folding bicycle

Technical field

The invention belongs to the field of electric folding bicycle accessories, and particularly relates to a linkage locking mechanism of an electric folding bicycle.

Background technique

The electric folding bike has the advantages of being foldable, easy to handle, and easy to carry. It does not need to use external tools during folding, and the vehicle can be folded or unfolded by hand. After folding, it can be conveniently stored and moved to avoid outdoor storage. Unsafe hidden dangers.

At present, most electric folding bicycles have the same appearance as bicycles or are modified by bicycles. The front and rear ends of the pedals are respectively provided with a front wheel frame and a rear wheel frame, the front wheel frame is equipped with a front wheel, and the rear wheel frame is equipped with a rear wheel. A folding portion is arranged in the middle of the frame so that the frame can be folded laterally with the folding portion as a fulcrum, that is, the front wheel is folded toward the rear wheel. The front frame is overlapped with the rear wheel frame to shorten the length of the frame.

However, the folding process of the existing frame is cumbersome, the degree of automation is low, and the use is inconvenient; the distance from the folded portion to the front wheel frame and the rear wheel frame is not the same, so that the lengths of the front wheel frame and the rear wheel frame are reduced after folding, but The width is widened, so the volume is not reduced, and the front and rear wheel frames cannot be adjusted, and the front and rear wheels are misaligned between the front and rear wheels. . When folding, the handlebar frame and the pedal, the seat support bar and the pedal are respectively provided with folding and locking mechanisms, and the components are numerous and the steps are cumbersome.

Summary of the invention

The technical problem to be solved is: designing a linkage locking mechanism for an electric folding bicycle, The folding and locking is convenient, and the handlebar frame, the seat support bar and the pedal can be interlocked.

The technical solution to solve its technical problems is: design A linkage locking mechanism for an electric folding bicycle, characterized in that the handlebar frame is provided with a sliding rail, and the front end of the pedal slides along the sliding rail. The seat support rod is movably connected to the pedal, the rear end of the seat support rod is provided with a lock tongue, and the end of the slide rail is provided with a stop member, the stop member is matched with the front end of the seat support rod end, the pedal and the handlebar When folding The corresponding position of the fitting is set with a magnet, the sliding rail is a circular arc-shaped concave groove, the front end of the pedal is provided with a roller, a ball, a sliding column or a slider, and the roller, the ball, the sliding column or the slider is inserted into the concave groove of the sliding rail. , The sliding rails are disposed on two sides of the front wheel bracket, and the corresponding front end of the pedal is provided with a roller, a ball, a sliding column or a slider, and the sliding rail is inserted into the sliding rail from both sides. The locking tongue includes an arm, the rear end shaft of the arm is connected to the pedal, the arm is provided with a magnet, the pedal is provided with an electromagnet, and the electromagnet is provided with an energization control switch, and the locking tongue is connected to the unlocking handle by a wire connection. The locking tongue is provided with a return spring, the blocking member is arranged as a convex block, and the front end of the seat support rod end is under the convex block, the blocking member is arranged as a concave hole, and the front end of the seat support rod end is unfolded. Into the recessed hole.

Advantageous Effects: The folding and locking of the present invention is convenient, and the handlebar frame, the seat support bar and the pedal can be interlocked.

1 , The handlebar is provided with a slide rail, and the front end of the pedal slides along the slide rail, so that the pedal can be folded with the handlebar frame, the slide rail replaces the folding shaft, the shaft body requires high precision during the processing, and the maintenance cost is high during use, the slide rail The folding accessories are few, the folding process is smooth, and the weight of the whole vehicle is reduced, and the operation is lighter.

2 , The seat support rod is movably connected to the pedal, the seat support rod can be folded with the pedal; the rear end of the seat support rod is provided with a lock tongue, the end of the slide rail is provided with a stop member, and the unfolded state lock tongue is from the rear end of the support rod end At the same time as the jacking, the seat support rod is against the end of the rail, so that the handlebar, the seat support and the pedal are interlocked. The locking mechanism is ingeniously designed, and one action (locking tongue enters the support rod locking position) realizes three-way (seat, handlebar, pedal) locking, less procedures, fewer accessories, smooth process, and avoids cumbersome operating procedures for the consumer. Come to an unpleasant consumer experience.

3, pedal and handlebar frame when folded The magnet is placed at the corresponding position to achieve the lock in the folded state, and the pedal and the handlebar frame are loosely folded, and it is easy to open by itself due to its own weight.

4, The sliding rail has a circular arc-shaped concave groove, and the front wheel axial center is a circular arc-shaped axial center, so that the sliding rail can also serve as a mud retaining tile by relying on the front wheel and simultaneously forming the wheel frame of the front wheel.

5, in order to smooth the slide, the front end of the pedal is set Rollers, balls, slides or sliders, rollers, balls, slides or sliders are inserted into the concave grooves of the slide rails to prevent the sliding end of the pedal from coming out of the concave groove and the structure is stable.

6. For balance and structural stability, the slide rails are disposed on both sides of the front wheel bracket, and the corresponding pedal front end is set. Rollers, balls, studs or sliders penetrate into the rails from both sides.

7 The arm is provided with a magnet, the pedal is provided with an electromagnet, and the electromagnet is provided with an energization control switch, and the magnetic pole of the electromagnet is converted by controlling the energization direction of the electromagnet, thereby cooperating with the arm magnet, according to the same-sex repellent, The principle of heterosexual attraction promotes rejection and fit. When the arm pulls the pedal, the lock tongue lock seat support rod is unlocked when the pedal is repelled, and the control is convenient.

8. The locking tongue is connected to the unlocking handle by a cable connection, and the locking and unlocking of the structure can be manually controlled.

9. The lock tongue is provided with a return spring. When the lock tongue is repelled, the external force disappears and can be automatically returned.

10 The retaining member is configured as a bump, and the front end of the seat support rod is placed under the bump, and the retaining member is disposed as a recessed hole to block the seat from continuing downward, and the bump is disposed at the end of the sliding rail. When the seat support bar is under the bump, the handlebar and the pedal are locked in an open state.

DRAWINGS

1 is a schematic structural view of a linkage locking mechanism of the present invention;

2 is a schematic structural view of an electric folding bicycle of the present invention;

3 is a schematic structural view of a slide block provided with a bump block according to the present invention;

Figure 4 is a schematic view showing the structure of a concave hole stopper provided in the slide rail of the present invention;

Figure 5 is a schematic view showing the structure of a slider disposed at the front end of the pedal of the present invention;

Figure 6 is a schematic view showing the structure of the lock tongue of the present invention;

7 is a schematic structural view of a first embodiment of the present invention;

Figure 8 is a schematic view showing the structure of the reset spring of the lock tongue of the present invention;

9 is a schematic structural view of Embodiment 2 of the present invention;

Figure 10 is a schematic view showing the closed structure of the electric folding vehicle of the present invention;

In the figure: 1, the handlebar frame; 2, slide rail; 3, pedal; 4, seat support rod; 5, lock tongue; 6, magnet; 8; slide rail concave groove; 9, electromagnet; 10, energization control switch; 11, pull wire; 12, unlock handle; 13, return spring; 14, bump; 16, arm; 17, left wheel frame; 18, right wheel frame; 19, left rear wheel; 20, right rear wheel; 21, front wheel.

detailed description

As shown in the figure, the interlocking locking mechanism of the electric folding bicycle of the present invention is provided with a sliding rail 2, the front end of the pedal 3 slides along the sliding rail 2, and the seat supporting rod 4 is movably connected with the pedal 3, and the seat support A locking tongue 5 is arranged at the rear end of the rod 4, and a stopper is arranged at the end of the sliding rail 2, and the blocking member cooperates with the front end of the seat supporting rod 4. When the unfolding state lock tongue 5 is pressed from the rear end of the seat support bar 4, the seat support bar 4 is pressed against the stopper at the end of the slide rail 2, so that the handlebar frame 1, the seat support bar 4 and the pedal 3 are interlocked. locking. The locking mechanism is cleverly designed, and one action (the locking tongue 5 enters the locking position of the seat support bar 4) achieves locking of the three sides (the seat support bar 4, the handlebar frame 1, the pedal 3). The pedal 3 is provided with a magnet 6 at a corresponding position when the handlebar frame 1 is folded. After the vehicle is folded, the magnet 6 can urge the handlebar frame 1 to be engaged with the pedal 3 to play a locking function, thereby avoiding the pedal 3 being self-weighted in the folded state. turn on. The slide rail 2 has a circular arc-shaped concave groove, and the axial center of the front wheel 21 is a circular arc-shaped axial center, so that the slide rail 2 can also serve as a retaining mud against the front wheel 21 and simultaneously constitute the wheel frame of the front wheel 21. The front end of the pedal 3 can be provided with a roller, a ball, a sliding column or a slider 7, and the roller, the ball, the sliding column or the slider 7 is inserted into the concave groove 8 of the sliding rail, so that the pedal 3 can be folded upward along the sliding rail 2, and the folding Upon completion, the pedal 3 is closed with the handlebar frame 1. In order to ensure smooth sliding and structural stability, the slide rails 2 of the present solution are disposed on both sides of the bracket of the front wheel 21, and the front end of the corresponding pedal 3 is provided with rollers, balls, slides or sliders 7 which are inserted into the slide rails 2 from both sides.

The program block can be set as a bump 14 which cooperates with the front end of the seat support bar 4 and the deployed seat support bar 4 The front end is placed under the bumps 14, and the end of the seat support bar 4 is locked so that it does not tilt. The stopper can also be provided as a recessed hole 15 in the unfolded state of the seat support rod 4 at the front end of the recessed hole 15 Inside.

Embodiment 1: Locking tongue 5 The locking of the seat support bar 4 is electromagnetically controlled. The locking tongue 5 includes an arm 16 and an arm 16 The rear axle is connected to the pedal 3, the arm 16 is provided with a magnet 6, the pedal 3 is provided with an electromagnet 9, and the electromagnet 9 is provided with an energization control switch 10. Pressing the power on control switch during vehicle folding The electromagnet 9 is supplied with a reverse current, the magnetic pole of the electromagnet 9 is changed, the N pole is inward, and the S pole is outward. The magnet 6 is magnetically N pole inward and the S pole is outward, so the electromagnet 9 is magnet The 6N poles are opposite, the two are repelled separately, the lock tongue 5 and the pedal 3 are unlocked, and the seat support rod 4 is unlocked; when the vehicle is riding, the energization control switch 10 is turned off, and the electromagnet 9 function is turned off by the magnet 6 Separately, the magnet 6 is attracted to the pedal 3, that is, the lock tongue 5 is locked with the pedal 3, and the seat support rod 4 is locked.

The electric folding bicycle of the solution pedal 3 is movably connected with the handlebar frame 1, and the pedal 3 can be folded to the handlebar frame 1, the seat support bar 4 Connected to the pedal 3, the seat support bar 4 can be folded toward the pedal 3, and the seat support bar 4 is provided with a lock tongue 5 for locking the seat support bar 4, while the seat support bar 4 is held against the handle for the handlebar frame 1 Locks with the pedal 3 in the expanded state.

When the vehicle is folded from the unfolded state, the energization control switch 10 is pressed, the lock tongue 5 and the pedal 3 are unlocked, and the seat support lever 4 is unlocked. The end of the seat support rod 4 is disengaged from the projection 14, the front end of the pedal 3 slides along the slide rail 2, and when the pedal 3 is moved from the end of the slide rail 2 to the top of the slide rail 2, the handlebar frame 1 and the seat support lever 4 With the pedals 3, the two phases are closed, and under the action of the magnet 6, the handlebar frame 1 is locked with the pedal 3.

When the vehicle is unfolded, fold the pedal 3 toward the ground and fold the seat support bar 4 toward the pedal 3. As the seat support bar 4 is folded over the pedal 3, the seat support bar 4 lock tongue 5 is automatically reset to the gap between the seat support bar 4 and the pedal 3 under the action of the spring, when the pedal 3 is along the slide rail 2 Slide the top to the slide 2 At the bottom end, the pedal 3 is folded over, and the front end of the seat support rod 4 is placed under the bump 14 and the seat support rod 4 is locked.

Embodiment 2: Locking tongue 5 The locking of the seat support bar 4 is controlled by the wire drawing method.

The rear end of the bolt arm 16 is connected to the pedal 3 through a rotating shaft, and the cable 11 is connected to the bolt arm 16 through the positioning piece. The rear end of the bolt arm 16 is inclined at an angle with the front end, and the arm 16 of the branch line is connected. The length of the rear end is smaller than the length of the front end of the arm 16 connecting the lock tongue 5 of the seat support bar 4, when the branch line When the rear end of the arm 16 is pulled horizontally, the front end of the arm 16 moves downward to drive the bolt 5 out of the seat support bar 4, and when the rear end of the arm 16 moves a small distance, the seat support bar 4 lock tongue 5 can be obtained. Large active distance .

The lock tongue 5 is provided with a return spring 13 , and the lock tongue 5 is pulled out by an external force, and when the external force disappears, the spring forces the lock tongue 5 to automatically return.

When the vehicle is folded from the unfolded state, Flipping the unlocking handle 12, the pulling wire acts on the unlocking handle 12 to pull down the locking tongue 5, the locking tongue 5 moves downward, disengages from the seat support bar 4, the seat support bar 4 is rotated, and the front end of the seat support bar 4 is convex Block 14 When the phase is disengaged, the seat support bar 4 is unlocked and folded.

When the vehicle is deployed from the folded state, the unlocking handle 12 is flipped again, and as the seat support bar 4 is folded toward the pedal 3, The locking tongue 5 is automatically reset to the gap between the seat support bar 4 and the pedal 3 by the action of the spring to complete the locking of the seat support bar 4, and the front end of the seat support bar 4 is placed under the bump 14.

The handlebar frame 1 of the solution is provided with a folding handlebar, and the handlebar can be bent and attached to both sides of the handlebar frame 1, thereby further optimizing the folding volume of the vehicle.

The vehicle of the present scheme can also be provided with a folded rear wheel frame, and the rear wheel frame includes a left wheel frame 17 and a right wheel frame 18, a left wheel frame 17 and a right wheel frame 18 The movable connection is connected to the rear end of the pedal 3, and the left wheel frame 17 and the right wheel frame 18 can be folded toward the bottom surface of the pedal 3, and the folded rear wheel frame is folded over the bottom surface of the pedal 3, and the left rear wheel 19 and the right rear wheel 20 are respectively arranged on the front wheel. On both sides of the 21, the folded appearance of the vehicle is closed and the shell shape is reduced, which reduces the folding volume and space of the vehicle, and is convenient for moving or storing.

It is to be noted that the above-described embodiments are merely preferred embodiments of the present invention, and any equivalent or similar substitutions of the present invention will fall within the scope of the working principles of the present invention. Within the scope of protection.

Claims

A linkage locking mechanism for an electric folding bicycle, characterized in that the handlebar frame is provided with a sliding rail, and the front end of the pedal slides along the sliding rail. The seat support rod is movably coupled to the pedal, the rear end of the seat support rod is provided with a lock tongue, and the end of the slide rail is provided with a stop member that cooperates with the front end of the seat support rod end.
A linkage locking mechanism for an electric folding bicycle according to claim 1, wherein when the pedal and the handlebar frame are folded Set the magnet at the corresponding position.
According to claim 1 or 2 The interlocking locking mechanism of the electric folding bicycle is characterized in that the sliding rail has a circular arc-shaped concave groove.
A linkage locking mechanism for an electric folding bicycle according to claim 1 or 2, wherein said pedal front end is provided Rollers, balls, spools or sliders, rollers, balls, spools or sliders snap into the grooved grooves.
A linkage locking mechanism for an electric folding bicycle according to claim 1 or 2, characterized in that The slide rails are disposed on two sides of the front wheel bracket, and the corresponding front end of the pedal is provided with a roller, a ball, a slide column or a slider to penetrate into the slide rail from both sides.
According to claim 1 or 2 The interlocking locking mechanism of the electric folding bicycle is characterized in that the locking tongue comprises an arm, the rear end shaft of the arm is connected to the pedal, the arm is provided with a magnet, and the pedal is provided with an electromagnet and an electromagnet Set the power on control switch.
According to claim 1 or 2 The interlocking locking mechanism of the electric folding bicycle is characterized in that the locking tongue is connected to the unlocking handle by a wire connection.
A linkage locking mechanism for an electric folding bicycle according to claim 1 or 2, wherein the lock tongue is provided with a return spring.
According to claim 1 or 2 The interlocking locking mechanism of the electric folding bicycle is characterized in that the blocking member is provided as a convex block, and the front end of the end of the seat supporting rod is in a state of being under the convex portion.
According to claim 1 or 2 The interlocking locking mechanism of the electric folding bicycle is characterized in that the blocking member is provided as a recessed hole, and the front end of the end of the seat supporting rod is inserted into the recessed hole.