WO2016000317A1 - Folding wheel frames of electric folding vehicle - Google Patents

Abstract

Folding wheel frames of an electric folding vehicle. Fixed shafts (2) are arranged on either side of a pedal (1). A left wheel frame (3) and a right wheel frame (4) rotate outward and fold along the fixed shafts (2). The left wheel frame (3) and the right wheel frame (4) respectively comprise semicircular rotatable connecting parts (5 and 6). The folding wheel frames of the electric folding vehicle allow folding between the wheel frames and the pedal (1), the wheel frames are turned over on either side of the pedal (1) when folded, two rear wheels (9 and 10) respectively are arranged at either side of a front wheel (11) to constitute one stable plane, thus allowing the vehicle to stand vertically on the ground, greatly reducing the folded size of the vehicle, reducing footprint, and facilitating transfer and storage.

Description

 Folding wheel frame of electric folding bicycle  Folding wheel frame of electric folding bicycle

 Technical field

 The utility model belongs to a folding car accessory, in particular to a folding wheel frame of an electric folding car.

 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 distance between the folded portion of the existing frame and the front wheel frame and the rear wheel frame is different, so that the front wheel frame and the rear wheel frame are reduced in length after folding, but the width is widened, so the volume is not Reduced, because the front and rear wheel frames can not be adjusted, the front and rear misalignment between the front and rear wheels, carrying the vehicle forward, more inconvenient .

 How to avoid the front and rear misalignment of the front and rear wheels after folding the frame has become a technical problem that needs to be solved by those skilled in the art.

 Utility model content

The problem to be solved by the utility model is to provide a folding wheel frame of an electric folding bicycle. After the wheel carrier is folded, the two rear wheels are respectively arranged on both sides of the front wheel to avoid front and rear misalignment, thereby effectively reducing the folding volume of the vehicle.

 The utility model is realized by the following technical solutions: designing a folding wheel frame of an electric folding bicycle, The utility model is characterized in that a fixed shaft is arranged on both sides of the pedal, and the left wheel frame and the right wheel frame are rotationally folded outward along the fixed axis, and the left wheel frame and the right wheel frame respectively comprise a semi-circular rotary connection portion; the left wheel frame and the right wheel frame The tightening limit groove of the wheel frame is disposed on the rear end edge of the pedal for clamping; the left wheel frame and the right wheel frame are provided with magnets, and a magnet is also disposed corresponding to the fitting position of the pedal.

 The beneficial effects of the utility model are:

 1 The utility model relates to an electric folding bicycle folding wheel frame, which can be folded between the wheel frame and the pedal, and the folded rear wheel frame is folded over the two sides of the pedal, and the two rear wheels are respectively arranged on both sides of the front wheel to form a stable The plane enables the vehicle to stand on the ground, which greatly reduces the folding volume of the vehicle, reduces the occupied space, and facilitates movement or storage.

 2 The left wheel frame and the right wheel frame are respectively provided with semi-circular rotary connecting portions, and the semi-circular rotary connecting portion is rotatably linked with the fixed shafts on both sides of the pedal. The structural design enables the left and right wheel frames to be pedaled along the fixed axis. The two sides rotate to realize the rotation and folding of the two wheel frames, and the structure is simple and the operation is convenient.

 3 The rear end of the pedal is arranged along the tightening limit slot of the left wheel frame and the right wheel frame for clamping, so as to avoid separation of the left wheel frame and the right wheel frame in case of unexpected conditions in the riding state.

 4 The left wheel frame and the right wheel frame are provided with magnets, and the magnets are also provided corresponding to the fitting positions of the pedals. After the vehicle is folded, the two wheel carriers can be attached to both sides of the pedals to avoid the wheel frame being opened by its own weight in the folded state.

 DRAWINGS

 Figure 1 is a schematic view showing the unfolding structure of the folding wheel frame of the present invention;

 Figure 2 is a schematic view showing the unfolding structure of the folding wheel frame of the present invention;

 Figure 3 is a schematic view showing the structure of the magnet of the present invention;

 Figure 4 is a schematic view showing the folding structure of the vehicle of the present invention;

 Figure 5 is a schematic view showing the unfolding structure of the vehicle of the present invention;

 In the figure: 1, pedal; 2, fixed axle; 3, left wheel frame; 4, right wheel frame; 5, left side rotation joint; 6 , right side rotation joint; 7 , limit groove; 8 , magnet; 9 , left rear wheel; 10 , right rear wheel; 11 , front wheel; 12 , handlebar frame; 13 , seatpost.

 detailed description

 As shown in the figure, the utility model relates to a folding wheel frame of an electric folding bicycle. A fixed shaft is arranged on both sides of the pedal 1, and the left wheel frame 3 and the right wheel frame are along 4 The fixed shaft 2 is rotated outwardly and folded, and the left wheel frame 3 and the right wheel frame 4 are respectively provided with a semi-circular rotary joint.

 The left wheel frame 3 and the right wheel frame 4 are respectively provided with semi-circular rotary joints, semi-circular rotary joints and fixed shafts on both sides of the pedal 1 Rotating the link, the structural design enables the left wheel frame 3 and the right wheel frame 4 to rotate along the fixed axis 2 to both sides of the pedal, thereby realizing the rotation folding of the two wheel frames, the structure is simple, and the operation is convenient.

 The tightening limit groove 7 of the left wheel frame 3 and the right wheel frame 4 is set at the rear end edge of the pedal 1, and the limit groove 7 is tightened. It is used to clamp the two wheel carriers to avoid the separation of the left wheel frame 3 and the right wheel frame 4 in case of unexpected conditions during riding. Tighten the limit slot 7 The two ends are convex, slightly protruding relative to the pedal, and the left wheel frame 3 and the right wheel frame 4 are slightly pressed down to the ground under the unfolding process of the wheel frame, and the left wheel frame 3 and the right wheel frame 4 pass over the limiting slot 7 Both ends of the convex movement to the limit slot In the interior of 7, the same reason, during the folding process of the wheel frame, the left wheel frame 3 and the right wheel frame 4 are slightly pressed down to the ground, and the left wheel frame 3 and the right wheel frame 4 are raised beyond the two ends of the limiting groove 7 to the limit. Bit slot 7 The outside is folded over the sides of the pedal.

 A magnet 8 is disposed at one end of the left wheel frame 3 and the right wheel frame 4, respectively, corresponding to the pedal 1 The matching position also sets the magnet. After the vehicle is folded, the two wheel carriers can be attached to the pedals 1 on both sides of the pedal to play a locking function, so as to avoid the two wheel carriers being opened by their own weight in the folded state.

 It is also possible to provide magnets on the two inner sides of the left wheel frame 3 and the right wheel frame 4, and the magnet can promote the left wheel frame 3 after the vehicle is deployed. Fit and lock with the right wheel frame 4 to prevent the two wheel carriers from unfolding due to unexpected conditions.

 The left wheel frame 3 sets the left rear wheel 9 and the right wheel frame 4 sets the right rear wheel 10 . Left wheel frame 3 and right wheel frame 4 In phase separation, the corresponding left rear wheel 9 is separated from the right rear wheel 10; the left wheel frame 3 is combined with the right wheel frame 4, and the corresponding left rear wheel 9 is merged with the right rear wheel 10.

 The electric folding bicycle frame part of the solution comprises a pedal 1, a handlebar frame 12, a seatpost 13 and a wheel frame, and a pedal 1 and a handlebar frame 12 Foldable between and between, the seat post 13 and the pedal 1 are foldable, and the wheel frame and the pedal 1 are foldable. After the folding is completed, the handlebar frame 12, the seatpost 13, the pedal 1 and the wheel carrier are attached to each other, and the seatpost 13, the pedal 1 and the wheel frame are arranged in the contour space of the handlebar frame 12, and the left wheel frame 3 and the right wheel frame are arranged. 4 attached to the pedal 1 On both sides, the left rear wheel 9 and the right rear wheel 10 are arranged on the front wheel 11 On both sides, the vehicle can stand on the ground and has a closed crust shape. It greatly optimizes the folding volume of the vehicle, takes up less space, and is easy to move and store.

 When the vehicle is deployed, the left wheel frame 3 and the right wheel frame 4 are opened, and the left side rotation connecting portion 5 and the right side rotation connecting portion 6 are adjacent to each other. The left wheel frame 3 and the right wheel frame 4 are combined to form an integral wheel frame, and the left rear wheel 9 and the right rear wheel 10 are combined to form an integral rear wheel. This structure is more stable in driving and safe and reliable in driving.

 When the vehicle is folded, the pedal 1 is merged toward the handlebar frame 12, and the left wheel frame 3 and the right wheel frame 4 are opened toward both sides of the pedal 1. The left side rotation joint portion 5 and the right side rotation joint portion 6 respectively rotate along both sides of the fixed axial pedal 1 on both sides of the pedal 1 to drive the left wheel frame 3 and the right wheel frame 4 to the pedal 1 The two sides of the folding movement, the left rotating joint 5 and the right rotating joint 6 are rotated, the left wheel frame 3 and the right wheel frame 4 are folded, and are fitted to both sides of the pedal 1, the left wheel frame 3 and the right wheel Rack 4 The outer side surface is in contact with both sides of the pedal 1, and the left rear wheel 9 and the right rear wheel 10 are moved to both sides of the front wheel 11.

 The wheel carrier of the solution is an extended wheel frame, and the length thereof is lengthened. After the left wheel frame 3 and the right wheel frame 4 are closed with the pedal 1, the left rear wheel 9 and the right rear wheel 10 are closed. It can just be arranged on both sides of the front wheel 11, and realizes three rounds side by side and side by side, which greatly reduces the space occupied by the three wheels, and the volume after folding is smaller, and the handlebar handle can pull the vehicle before OK, easy and effortless.

 By the same token, when the vehicle is deployed, the pedal 1 is folded toward the ground. Rotating the left wheel frame 3 counterclockwise to open the right wheel frame 4 in a clockwise direction, and the left side rotation connecting portion 5 and the right side rotation connecting portion 6 respectively drive the left wheel frame 3 and the right wheel frame 4 toward the pedal 1 The center of the tail is close together, and the left wheel frame 3 and the right wheel frame 4 are stretched and merged into one integral wheel frame, and the left rear wheel 9 and the right rear wheel 10 are combined into one integral rear wheel.

 The handlebar frame 12 is provided with a folding handlebar, and the handlebar can be bent and attached to both sides of the handlebar frame 12 to further optimize the folding volume of the vehicle.

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 (3)

1. A folding wheel carrier for an electric folding bicycle, characterized in that a fixed shaft is arranged on both sides of the pedal, and the left wheel frame and the right wheel frame are rotationally folded outward along the fixed axis, and the left wheel frame and the right wheel frame respectively comprise a half circle Rotate the connection.
2. According to claim 1 The folding wheel carrier of the electric folding bicycle is characterized in that the tightening limit groove of the left wheel frame and the right wheel frame is disposed on the rear end edge of the pedal for clamping.
3. According to claim 1 or 2 The folding wheel carrier of the electric folding bicycle is characterized in that the left wheel frame and the right wheel frame are provided with magnets, and a magnet is also disposed corresponding to the bonding position of the pedals.

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