CN105818911A - Folding electric bicycle - Google Patents

Abstract

The invention relates to a folding electric vehicle, which includes front wheels, rear wheels, batteries, front forks, handlebars, saddle frames, saddles and a vehicle frame. Side panel frame, a storage slot is formed between the two side panels; the battery is installed in the storage slot between the two side panels; the rear wheel is installed at the rear of the frame and is located between the two side panels; the front The fork is installed on the front of the frame through the first rotating shaft and is located between the two side panels. The front fork is equipped with a front fork limiting mechanism for fixing the position of the front fork; the lower end of the saddle frame is installed on the frame through the second rotating shaft. On the saddle and between the two side panels, a saddle limiting mechanism for fixing the saddle is installed on the saddle. The appearance of the present invention is fashionable and simple, and the folding and closing are convenient and quick.

Description

A folding electric car

technical field

The invention belongs to the technical field of electric vehicles, in particular to a folding electric vehicle.

Background technique

Electric bicycles have the advantages of green environmental protection, convenience and quickness. With the continuous improvement of people's living standards and environmental protection awareness. Driving cars will become the main means of transportation for people to travel short distances.

Folding electric bicycle is a kind of electric bicycle, which refers to a model that can reduce the overall volume of electric bicycles by folding. This type of vehicle is suitable for being loaded on a car or used in urban traffic, and is favored by people as a short-distance means of transportation. The state of the existing foldable electric vehicles before and after folding is a frame structure, which not only hinders carrying, but also has a poor appearance. These shortcomings hinder the development of foldable electric vehicles to a certain extent.

Contents of the invention

In order to solve the technical problems in the known technology, the invention provides a folding electric vehicle with fast folding operation and fashionable and beautiful appearance.

The technical solution adopted by the present invention to solve the technical problems existing in the known technology is: a folding electric vehicle, including front wheels, rear wheels, batteries, front bogies, handlebars, saddle frames, saddles and vehicle frames. The front wheels are installed on the front bogie, and the saddle is installed on the upper end of the saddle frame. A storage slot is formed between the side panels; the battery is installed in the storage slot between the two side panels; the rear wheel is installed at the rear of the frame and is located on the sides of the two between the plate frames; the front bogie is installed on the front part of the vehicle frame through the first rotating shaft and is located between the two side plate frames; position of the front fork limiting mechanism; the lower part of the saddle frame is installed on the vehicle frame through the second rotating shaft and is located between the two side panels, and the saddle frame is installed with a handle for fixing the saddle frame Saddle restraint mechanism.

The present invention can also adopt following technical measures:

The upper end of the saddle frame is hinged to the saddle through the first pin shaft, and the saddle frame is provided with a chute; the saddle frame restricting mechanism includes a saddle frame pole, a second pin shaft, a hook rod, and a positioning lock hook and a positioning lock handle, the rear end of the saddle support rod is installed on the vehicle frame through the third pin shaft and is located between the two side panels, and the front end of the saddle support rod passes through the first Two pin shafts hinge the positioning hook handle, the positioning lock hook is fixed on the positioning hook handle and is located in front of the second pin shaft, and the second pin shaft passes through a slide mounted on the saddle frame. In the groove, on the saddle frame, the hook bar for hooking the positioning lock hook is fixed on the upper end of the chute; it also includes a saddle pole, the lower end of the saddle pole is connected to the The upper end of the saddle rod is hinged through the second pin, the upper end of the saddle rod is hinged with the saddle through a fourth pin, and the fourth pin is located behind the first pin .

The front bogie includes a front fork, a front fork frame, a front fork standpipe and a folding hinge device capable of folding the front fork standpipe, and the front fork frame is installed on the front of the vehicle frame through a first rotating shaft. and located between the two side panels, the front fork is installed on the front fork limit mechanism for fixing the position of the front bogie, the front fork riser is installed on the front On the fork frame, the folded folding hinge device is installed in the middle of the front fork riser; The upper end of the fork standpipe has a horizontal inserting tube for inserting the split rod of the handlebar.

The front fork restriction mechanism includes a tie rod, the front end of the tie rod is hinged with the front fork frame through the fifth pin shaft, and the rear end of the tie rod is hinged with the lower end of the saddle frame through the sixth pin shaft, The tie rod is located in the receiving cavity, and the fifth pin is located above the first rotating shaft.

The side plate frame is composed of a main body plate and a split plate, the split plate is located in front of the main body plate, the main body plate and the split plate form the side plate frame with rounded corners, and the split body A plate is fixedly mounted on said front fork.

The upper edge of the side plate frame is provided with a notch for buckling the saddle.

The saddle pole and the saddle pole are boards that can be buckled and covered on the upper part of the storage slot.

There is a groove on the outer surface of the side frame, and a pedal rod that can be turned over and stretched out from the outer surface of the side frame is provided in the groove, and the front end of the foot rod is hinged on the side of the side frame. inside the groove.

The vehicle frame also includes a rib body frame, the rib body is erected in the receiving groove, and the two side panels are fixed on the rib body frame; the lower part of the saddle frame is installed on the The rib frame is located between the two side panels; the rear end of the saddle rod is mounted on the rib frame through a third pin and is located between the two side panels The front fork frame is installed on the rib body frame through the first rotating shaft and is located between the two side plate frames.

The lower part of the rib frame is hingedly equipped with an electric vehicle bracket that can rotate and extend out of the side panel frame.

The present invention takes the "Swiss Army Knife" as the design inspiration, compares the saddle frame and the front bogie in the present invention to a "knife", then the saddle frame, the front bogie and other components installed on it can be accommodated and used as a "knife". handle” frame. Thereby make the present invention have following effect:

The appearance is fashionable and beautiful. Compared with the traditional folding electric vehicle, the present invention has a simple and fashionable appearance, which is more in line with the aesthetics of modern people. The shape of the folded electric vehicle is more simple and atmospheric, in the shape of a long handle.

It is convenient to carry. The electric vehicle of the present invention has a long handle with a smooth surface after being folded. It will not be scratched by external objects, has low requirements for carrying space, and is more suitable for carrying or carrying.

The service life is long. After the electric vehicle described in the present invention is folded, almost all the components of the electric vehicle are stored between the two side panels. The side panels protect the components of the electric vehicle and prevent heavy objects from being squeezed. Avoid deformation and damage to the overall structure of the frame.

Description of drawings

Fig. 1 is the structural representation of embodiment one among the present invention;

Fig. 2 is a schematic diagram of the internal structure of Embodiment 1 in the present invention;

Figure 3 is a side view of the internal structure of Embodiment 1 of the present invention;

Fig. 4 is a schematic diagram of the folded structure of Embodiment 1 of the present invention.

In the figure: 1, front wheel; 2, rear wheel; 3, battery; 4, front bogie; 4-1, front fork frame; 4-2, front fork riser; 4-3, folding hinge device; 4 -4, front fork; 5, handlebar; 6, saddle frame; 6-1, chute; 7, saddle; 8, frame; 8-1, side plate frame; 8-1-1, main body plate; 8-1-2, split plate; 8-1-3, notch; 8-1-4, groove; 8-2, storage slot; 9, first shaft; 10, second shaft; 11, front Fork limiting mechanism; 12, fixed sleeve; 13, the first pin shaft; 14, saddle frame limiting mechanism; 14-1, saddle frame pole; 14-2, second pin shaft; 14-3, hook bar; 14- 4, positioning lock hook; 14-5, positioning lock handle; 15, third pin shaft; 16, saddle pole; 17, fourth pin shaft; 18, pedal rod; 19, electric vehicle bracket; 20, the first Five pin shafts; 21, the sixth pin shaft; 22, tie rods.

detailed description

In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

Embodiment one

Please refer to Fig. 1-Fig. 3, a kind of folding electric vehicle, package front wheel 1, rear wheel 2, battery 3, front bogie 4, handlebar 5, saddle frame 6, saddle 7 and vehicle frame 8. One of the front wheel 1 and the rear wheel 2 is a driving wheel for driving the electric vehicle. In this embodiment, the rear wheel 2 is the driving wheel with a hub motor inside, and the rear wheel 2 is electrically connected to the battery 3. connection, in the present embodiment, the battery 3 is a lithium battery, and is equipped with an electric vehicle control system. The handlebar 5 is installed on the front bogie 4, and the handlebar 5 is a steering component of the electric vehicle. The saddle 7 is installed on the saddle frame 6, and the saddle 7 is a riding part of the electric vehicle. The rear wheel 2, battery 3, front bogie 4 and saddle frame 6 are installed on the vehicle frame 8.

The concrete structure of vehicle frame 8 in the present embodiment is:

The vehicle frame 8 includes two side panels 8-1, and the two side panels 8-1 face each other and are symmetrically arranged. A gap-shaped storage groove 8-2 is formed between the two side panels 8-1, and the function of the storage groove 8-2 is to accommodate other foldable parts of the electric vehicle therein. The battery 3 is installed in the storage slot 8-2 between the two side panels 8-1. The side plate frame 8-1 can be a plate body or a frame body. In this embodiment, the shape of the battery 3 is a cuboid, and the battery 3 is installed in the lower part of the storage tank 8-2 and becomes the bottom of the storage tank 8-2, so that the space between the two side plates 8-1 The lower part is flat. The side plate frame 8-1 is composed of a main body plate 8-1-1 and a split plate 8-1-2, the split plate 8-1-2 is located in front of the main body plate 8-1-1, The main body plate 8-1-1 and the split plate 8-1-2 constitute a complete rounded rectangular vehicle frame side plate. A first rotating shaft 9 and a second rotating shaft 10 are installed between the two main boards 8-1-1. The first rotating shaft 9 is located at the front of the main board 8-1-1, and the second rotating shaft 10 is located at the front of the main board 8-1-1. 1, in this embodiment, the two side panels 8-1 are fixed by the first rotating shaft 9 and the second rotating shaft 10, and the first rotating shaft 9 and the second rotating shaft 10 are parts of the vehicle frame . The first rotating shaft 9 is used to install the front bogie 4, and the front bogie 4 can rotate around the first rotating shaft 9, so that the front bogie 4 and other components installed thereon can be stored into the storage groove 8 In -2; the second rotating shaft 10 is used to install the saddle frame 6, and the saddle frame 6 can rotate around the second rotating shaft 10, so that the saddle frame 6 and other components installed on the saddle frame 6 can be accommodated in the described In the storage slot 8-2.

Front truck 4 and its mounting structure are as follows in the present embodiment:

The front bogie 4 includes a front fork 4-4, a front fork frame 4-1, a front fork standpipe 4-2 and a folding hinge device 4-3. Wherein the front fork frame 4 - 1 is connected with the vehicle frame 8 through the first rotating shaft 9 . The front fork standpipe 4-2 is installed on the front fork stand 4-1 in a rotating manner, the front fork 4-4 is fixed on the lower end of the front fork standpipe 4-2, and the handlebar 5 drives the front fork standpipe 4-2 to rotate to achieve steering. The front-wheel 1 is installed on the lower end of the front fork 4-4, and the handlebar 5 is installed on the upper end of the front fork standpipe 4-2. The folding hinge device 4-3 is installed in the middle of the front fork standpipe 4-2, and the folding hinge device 4-3 can make the front fork standpipe 4-2 fold from the middle. A front fork limiting mechanism 11 for fixing the position of the front bogie 4 is installed on the front fork frame 4-1. The handlebar 5 is composed of handlebar split rods respectively located on the left and right sides of the front fork standpipe 4-2. The upper end of the front fork standpipe 4-2 has a horizontal insertion tube for inserting the handlebar split rod, the handlebar split rod is inserted on the horizontal insertion tube, and the handlebar split rod is installed on the It is used to fix the handlebar split rod on the fixed sleeve 12 on the front fork standpipe 4-2. The split plate 8-1-2 is installed symmetrically on both sides of the lower part of the front inserting rod 4-2.

The specific installation structure of saddle frame 6 in the present embodiment is:

The upper end of the saddle frame 6 is hinged to the saddle seat 7 through the first pin shaft 13 , and the lower part of the saddle frame 6 is connected to the main body plate 8 - 1 - 1 through the second rotating shaft 10 . The saddle frame 6 is provided with a chute 6-1. A saddle limiting mechanism 14 for fixing the saddle 6 is mounted on the saddle 6 . The saddle restricting mechanism 14 includes a saddle support rod 14-1, a second pin shaft 14-2, a hook rod 14-3, a positioning locking hook 14-4 and a positioning locking handle 14-5. The rear end of the saddle rod 14-1 is installed on the main body plate 8-1-1 through the third pin shaft 15 and is located between the two main body plates 8-1-1, and the third pin shaft 15 is located At the rear of the second rotating shaft 10 , the saddle frame 6 is triangularly supported by the saddle frame strut 14 - 1 . The front end of the saddle pole 14-1 is hinged to the positioning hook handle 14-5 through the second pin shaft 14-2. The positioning lock hook 14-4 is fixed on the positioning hook handle 14-5 and is located in front of the second pin shaft 14-2. The second pin shaft 14-2 is fitted in the sliding groove 6-1 of the saddle frame 6, and when the saddle frame 6 rotates forward around the second rotating shaft 10, the second pin shaft 14-2 is in the sliding groove 6-1 of the saddle frame 6. Sliding in the groove 6-1, when the second pin shaft 14-2 slides to the lower limit position of the chute 6-1, the saddle frame 6 can be completely received in the storage groove 8-2; the second pin shaft 14-2 slides When reaching the upper limit position of the chute 6-1, the saddle frame support rod 14-1 supports the saddle frame 6. On the saddle frame 6, the upper end of the chute 6-1 is fixed with the hook bar 14-3 for hooking the positioning lock hook 14-4, and the saddle frame pole 14-1 is opposite to the saddle frame 6. In the supporting state, the positioning lock hook 14-4 is hooked on the hook bar 14-3, and is used to restrict the second pin shaft 14-2 from sliding downward along the slide groove 6-1, so as to restrict the saddle frame 6 from moving around. The second rotating shaft 10 rotates to realize the stable support of the saddle frame 6 by the saddle frame pole 14 - 1 . It also includes a saddle rod 16, the lower end of the saddle rod 16 is hinged to the upper end of the saddle rod 14-1 through the second pin shaft 14-2. The upper end of the saddle rod 16 is hinged to the saddle 7 through a fourth pin 17 , and the fourth pin 17 is located behind the first pin 13 . The function of the saddle rod 16 is: when the saddle frame 6 rotates around the second rotating shaft 10 and is received in the receiving groove 8-2, the second pin shaft 14-2 slides down along the chute 6-1 and passes through the saddle Strut 16 pulls the rear portion of saddle 7, makes saddle 7 keep balance in this process and finally buckles and covers on the top of two described side panels 8-1. A locking bar is installed between the side panel frames 8-1, and the locking bar is used for hooking with the hook bar 14-3, and is used for locking the positioning hook handle 14-5 in the folded state. In addition, in order to fix the position of the positioning hook handle 14-5, the positioning hook handle 14-5 and the saddle support rod 14-1 have concave-convex locking points that can engage with each other.

In this embodiment, the front fork limiting mechanism 11 includes a tie rod 22 . The front end of the tie rod 22 is hinged with the front fork frame 4 - 1 through the fifth pin 20 , and the rear end of the tie rod 22 is hinged with the lower end of the saddle frame 6 through the sixth pin 21 . The tie rod 22 is located in the receiving cavity 8-2. The fifth pin shaft 20 is located above the first rotating shaft 9 . This structure forms a link linkage mechanism between the saddle frame 6 and the front bogie 4 , and is used to limit the positioning lock handle 14 - 5 of the saddle frame 6 and can play the role of restricting the front bogie 4 at the same time. By driving the saddle frame 6 to carry out the linkage between the saddle frame 6 and the front bogie 4, the overall unfolding of the electric vehicle is realized, and the operation is extremely simple and fast, providing convenience for users.

The folding method of this electric car is:

Fold the front fork riser 4-2 by unlocking the folding hinge device 4-3, remove the handlebar split rod from the horizontal insertion tube, use the fixing sleeve 12 to bind the two handlebar split rods in parallel Folded front fork stem 4-2. Pull the positioning lock handle 14-5 to disengage the positioning lock hook 14-4 from the hook rod 14-3, push the saddle frame 6 to rotate forward around the second rotating shaft 10, and the moving saddle frame 6 rotates around the second rotating shaft 10 through the tie rod 22. The first rotating shaft 9 rotates backward, and finally the saddle frame 6 and the front bogie 4 are stored in the storage groove 8-2. After the storage is completed, the split plate 8-1-2 installed on the front fork riser 4-2 and the main body plate 8-1-1 are combined into a complete rounded rectangular side plate frame 8-1.

The axes of the above-mentioned first rotating shaft 9 , second rotating shaft 10 , first pin shaft 13 , second pin shaft 14 - 2 , third pin shaft 15 , and fourth pin shaft 17 are parallel.

In order to make the electric car more regular after being folded and stored. The upper edge of the side plate frame 8-1 is provided with a notch 8-1-3 for embedding the saddle, and the saddle pole 14-1 and the saddle pole 16 can be buckled and covered. The plate body on the upper part of the storage tank 8-2. After the saddle frame 6 is accommodated into the storage groove 8-2, the saddle seat 7 can be embedded and buckled on the notch 8-1-3, and the saddle frame pole 14-1 and the saddle pole 16 of the board structure are stacked flatly. The top between the block frame side plates 8-1 forms a plane. In order to improve the strength of the saddle pole 14-1 and the saddle pole 16, in this embodiment, the saddle pole 14-1 and the saddle pole 16 are made of grooved profiles.

In order to make it easier for the rider to pedal, in this embodiment, there is a groove 8-1-4 on the outer surface of the side frame 8-1, and a groove 8-1-4 is provided in the groove 8-1-4, which can be turned over and stretched out. The pedal rod 18 on the outer surface of the side frame, the front end of the pedal rod 18 is hinged in the groove 8-1-4 of the side frame 8-1.

In order to improve the overall strength of the vehicle frame 8, in this embodiment, the vehicle frame 8 also includes a rib frame, and the rib body is erected in the storage groove 8-2, and the two side panels 8-1 Fix it on the muscle frame. The lower part of the saddle frame 6 is installed on the rib body frame through the second rotating shaft 10 and is located between the two side frame frames 8-1. The rear end of the saddle frame pole 14-1 is installed on the rib body frame through the third pin shaft 15 and is located between the two side plate frames 8-1. The front fork frame 4-1 is installed on the rib body frame through the first rotating shaft 9 and is located between the two side frame frames 8-1.

In order to facilitate the docking of the electric vehicle, in this embodiment, the lower part of the tendon frame is hingedly mounted with an electric vehicle bracket 19 that can rotate and extend out of the side panel frame 8-1.

The present invention takes the "Swiss Army Knife" as design inspiration, compares the saddle frame and front fork in the present invention to a "knife", then the saddle frame, front fork and other components installed on it can be accommodated as a "knife handle" inside the frame. Thereby make the present invention have following effect:

The appearance is fashionable and beautiful. Compared with the traditional folding electric vehicle, the present invention has a simple and fashionable appearance, which is more in line with the aesthetics of modern people. The shape of the folded electric vehicle is more simple and atmospheric, in the shape of a long handle.

It is convenient to carry. The electric vehicle of the present invention has a long handle with a smooth surface after being folded. It will not be scratched by external objects, has low requirements for carrying space, and is more suitable for carrying or carrying.

The service life is long. After the electric vehicle described in the present invention is folded, almost all the components of the electric vehicle are stored between the two side panels. The side panels protect the components of the electric vehicle and prevent heavy objects from being squeezed. Avoid deformation and damage to the overall structure of the frame.

Embodiment two:

Compared with Embodiment 1, the distinguishing structural features of this embodiment are:

Front fork structure: the front fork includes a front fork frame and a front fork standpipe, the front wheel is installed at the lower end of the front fork, and the handlebar is installed at the upper end of the front fork standpipe. The front fork stem is a telescopic rod with a locking sleeve installed in the middle. The handlebar is installed on the upper end of the front fork standpipe and can be rotated to be parallel with the front fork standpipe for easy storage. On the front fork standpipe, a latch for positioning the handlebar is installed at the place where the handlebar is installed. The front fork limiting mechanism is a positioning pin installed on the vehicle frame and a pin hole matched with the positioning pin on the front fork.

Saddle frame structure: the saddle frame in this embodiment is a straight bar with a circular cross-section. The lower part of the saddle frame is installed on the vehicle frame through the second rotating shaft, and can be fixed and locked by the saddle frame positioning component. A saddle is installed on the upper end of the saddle frame, and the saddle can be turned over to one side of the saddle frame so that the saddle can be stored together with the saddle frame in the storage groove. In this embodiment, the saddle is installed on the upper end of the saddle frame through bolts, and the bolts are loosened, and the saddle can be turned over to the side of the saddle frame after installation. The bolts in this embodiment are butterfly bolts.

Claims (10)

1. A folding electric vehicle, including front wheel (1), rear wheel (2), battery (3), front bogie (4), handlebar (5), saddle frame (6), saddle (7) And vehicle frame (8), described front wheel (1) is installed on the described front bogie (4), and described saddle (6) is installed on the upper end of described saddle frame (6), is characterized in that: The vehicle frame (8) includes two side panels (8-1) facing each other and arranged symmetrically, and a storage groove (8-2) is formed between the two side panels (8-1); The battery (3) is installed in the storage groove (8-2) between the two side panels (8-1); The rear wheel (2) is installed at the rear of the vehicle frame (8) and is located between two side panels (8-1); The front bogie (4) is installed on the front portion of the vehicle frame (8) through the first rotating shaft (9) and is positioned between two side panels (8-1), the front bogie ( 4) A front fork limiting mechanism (11) for fixing the position of the front bogie (4) is installed on it; The lower part of the saddle frame (6) is installed on the vehicle frame (8) through the second rotating shaft (10) and is located between the two side panels (8-1), and the saddle frame (6) A saddle frame restricting mechanism (14) for fixing the saddle frame (6) is installed on it. 2. The folding electric vehicle according to claim 1, characterized in that: the upper end of the saddle frame (6) is hinged to the saddle seat (7) through a first pin shaft (13), and the saddle frame (6) There is a chute (6-1); the saddle frame restriction mechanism (14) includes a saddle frame pole (14-1), a second pin shaft (14-2), a hook rod (14-3), a positioning lock hook (14-4) and positioning lock handle (14-5), the rear end of the saddle frame pole (14-1) is installed on the vehicle frame (8) through the third pin shaft (15) and Located between the two side panels (8-1), the front end of the saddle support rod (14-1) is hinged to the positioning hook handle (14-1) through the second pin shaft (14-2). 5), the positioning lock hook (14-4) is fixed on the positioning hook handle (14-5) and is located in front of the second pin shaft (14-2), the second pin shaft (14 -2) Fitted through the chute (6-1) of the saddle frame (6), the saddle frame (6) is fixed on the upper end of the chute (6-1) for hooking The hook bar (14-3) of the positioning lock hook (14-4); also includes a saddle pole (16), the lower end of the saddle pole (16) is connected to the saddle pole ( The upper end of 14-1) is hinged through the second pin (14-2), and the upper end of the saddle rod (16) is hinged with the saddle (7) through the fourth pin (17), so The fourth pin shaft (17) is located behind the first pin shaft (13). 3. The folding electric vehicle according to claim 2, characterized in that: the front bogie (4) comprises a front fork (4-4), a front fork frame (4-1), a front fork riser (4- 2) and a folding hinge device (4-3) that can fold the front fork riser (4-2), the front fork frame (4-1) is installed on the vehicle through the first rotating shaft (9) The front part of the frame (8) is located between the two side panels (8-1), and the front fork frame (4-1) is equipped with a A front fork limiting mechanism (11), the front fork standpipe (4-2) is installed on the front fork frame (4-1) through rotation, and the folding hinge device (4-3) is installed on the The middle part of the front fork standpipe (4-2); the handlebar (5) is composed of handlebar split rods respectively located on the left and right sides of the front fork standpipe (4-2); the front fork The upper end of the standpipe (4-2) has a horizontal inserting tube for inserting the split rod of the handlebar. 4. The folding electric vehicle according to claim 1 or 3, characterized in that: the front fork limiting mechanism (11) includes a tie rod (22), and the front end of the tie rod (22) passes through the fifth pin shaft ( 20) is hinged with the front fork frame (4-1), the rear end of the tie rod (22) is hinged with the lower end of the saddle frame (6) through the sixth pin shaft (21), and the tie rod ( 22) Located in the storage cavity (8-2), the fifth pin shaft (20) is located above the first rotating shaft (9). 5. The folding electric vehicle according to claim 4, characterized in that: the side panel frame (8-1) is composed of a main body panel (8-1-1) and a split panel (8-1-2), The split plate (8-1-2) is located in front of the main body plate (8-1-1), and the main body plate (8-1-1) and the split plate (8-1-2) constitute The side panel frame (8-1) with rounded corners is rectangular, and the split panel (8-1-2) is fixedly installed on the front bogie (4). 6. The folding electric vehicle according to claim 5, characterized in that: the upper edge of the side frame (8-1) is provided with a notch (8-1-3) for inserting the saddle . 7. The folding electric vehicle according to claim 6, characterized in that: the saddle pole (14-1) and the saddle pole (16) are boards that can be buckled and covered on the upper part of the storage slot. 8. The folding electric vehicle according to claim 7, characterized in that: there is a groove (8-1-4) on the outer surface of the side frame (8-1), and the groove (8-1 -4) There is a pedal rod (18) that can be turned over and stretched out from the outer side of the side frame (8-1), and the front end of the pedal rod (18) is hinged on the groove of the side frame ( 8-1-4). 9. The folding electric vehicle according to claim 8, characterized in that: the vehicle frame (8) also includes a rib body frame, the rib body is erected in the storage groove (8-2), and the two pieces The side plate frame (8-1) is fixed on the rib body frame; the lower part of the saddle frame (6) is installed on the rib body frame through the second rotating shaft (10) and is located on the two side plates Between the frames (8-1); the rear end of the saddle frame pole (14-1) is installed on the rib body frame through the third pin shaft (15) and is located on the two side panels (8 - between 1); the front fork frame (4-1) is installed on the rib body frame through the first rotating shaft (9) and is located between the two side plate frames (8-1). 10. The folding electric vehicle according to claim 9, characterized in that: the lower part of the tendon frame is hingedly mounted with an electric vehicle bracket (19) that can rotate and extend out of the side panel frame (8-1).