A pedal electric vehicle and a pedal frame thereof

Abstract

The present invention discloses a pedal electric vehicle and a pedal frame thereof, wherein the pedal frame comprises a frame body and a rear wheel frame for fixing a rear wheel and a motor; the frame body is detachably connected to the rear wheel frame. The frame body of the pedal frame of the present invention is universal, and people only need to design different types of rear wheel frames to be connected to the frame body to form a pedal frame that can be adapted to different motor settings, thereby helping to reduce design costs.

Description

Technical Field

[0001] The invention relates to the field of electric vehicles, in particular to a pedal electric vehicle and a pedal frame thereof. Background Art

[0002] Existing electric vehicles are divided into two types according to the different motor settings, one is a mid-mounted motor electric vehicle, and the other is a hub motor electric vehicle; for these two types of electric vehicles, the frames of the electric vehicles are not universal, so currently different frames can only be developed for the mid-mounted motor electric vehicle and the hub motor electric vehicle, respectively, which has high design costs. Summary of the invention

[0003] The purpose of the present invention is to provide a pedal frame to solve the deficiencies in the prior art; the present invention also provides a pedal electric vehicle using the pedal frame.

[0004] In order to achieve the above object, the solution of the present invention is:

[0005] A pedal frame, comprising a frame body and a rear wheel frame for fixing a rear wheel and a motor; the frame body comprises a main beam tube, a pedal frame, a seat frame, a connecting frame and two reinforcing frames; the pedal frame comprises a left pedal tube and a right pedal tube which are symmetrically arranged on the left and right sides, each of the left pedal tube and the right pedal tube comprising a connecting section, a horizontal section and an extending section which are sequentially connected from front to rear, and the connecting section of the left pedal tube and the connecting section of the right pedal tube are connected to the main beam tube; the seat frame comprises a rear frame and a left seat tube and a right seat tube which are symmetrically arranged on the left and right sides, each of the left seat tube and the right seat tube comprising a rising section which is inclined backward and upward, a bending section which is bent and connected to the rear end of the rising section, and a tapering section which is bent and connected to the rear end of the bending section at the front end of the rising section of the left seat tube. The connection between the horizontal section and the extended section of the left pedal tube, the front end of the rising section of the right seat tube is connected to the connection between the horizontal section and the extended section of the right pedal tube, and the left and right ends of the rear frame are respectively connected to the tapered section of the left seat tube and the tapered section of the right seat tube; the left and right ends of the connecting frame are respectively connected to the extended section of the left pedal tube and the extended section of the right pedal tube, and the rear wheel frame is detachably connected to the connecting frame; the two reinforcement frames are divided into a left reinforcement frame and a right reinforcement frame, the left reinforcement frame and the right reinforcement frame are symmetrically arranged, and the left reinforcement frame and the right reinforcement frame both include a main reinforcement tube, the upper and lower ends of the main reinforcement tube of the left reinforcement frame are respectively connected to the tapered section of the left seat tube and the extended section of the left pedal tube, and the upper and lower ends of the main reinforcement tube of the right reinforcement frame are respectively connected to the tapered section of the right seat tube and the extended section of the right pedal tube.

[0006] The left reinforcement frame and the right reinforcement frame also include secondary reinforcement tubes; the front and rear ends of the secondary reinforcement tube of the left reinforcement frame are respectively connected to the bending section of the left seat tube and the middle section of the main reinforcement tube of the left reinforcement frame, and the front and rear ends of the secondary reinforcement tube of the right reinforcement frame are respectively connected to the bending section of the right seat tube and the middle section of the main reinforcement tube of the right reinforcement frame.

[0007] The pedal frame also includes a left front reinforcing tube and a right front reinforcing tube which are symmetrically arranged on the left and right sides; the two ends of the left front reinforcing tube are respectively connected to the left side of the lower end of the main beam tube and the connection between the connecting section and the horizontal section of the left pedal tube, and the two ends of the right front reinforcing tube are respectively connected to the right side of the lower end of the main beam tube and the connection between the connecting section and the horizontal section of the right pedal tube; the front end of the connecting section of the left pedal tube and the front end of the connecting section of the right pedal tube are respectively connected to the left and right sides of the middle and lower part of the main beam tube.

[0008] A pedal electric vehicle comprises a front wheel, a rear wheel, a motor, a controller, a battery and the above-mentioned pedal frame, wherein the front wheel, the controller and the battery are mounted on the frame body of the pedal frame, and the rear wheel and the motor are mounted on the rear wheel frame of the pedal frame.

[0009] The motor is a mid-mounted motor, which is fixed to the front side of the rear wheel frame. The rear wheel is rotatably installed on the rear side of the rear wheel frame and is driven to rotate by the mid-mounted motor.

[0010] The motor is a hub motor which is arranged on the rear wheel and is used to drive the rear wheel to rotate.

[0011] The pedal frame also includes a controller mounting plate, which is connected to the left pedal tube and the right pedal tube of the pedal frame. The two sides of the controller mounting plate are bent upward to form a mounting groove, and the controller is installed in the mounting groove; the pedal electric vehicle also includes a protective cover plate connected to the pedal frame, and the protective cover plate covers the bottom side of the controller mounting plate.

[0012] The pedal electric vehicle also includes a battery mounting plate installed between the left seat tube and the right seat tube of the seat frame; the battery mounting plate is a stepped structure, and the battery mounting plate includes a front mounting plate, an intermediate mounting plate and a rear mounting plate; the front mounting plate and the rear mounting plate are both arranged to be tilted forward and upward, while the intermediate mounting plate is arranged to be tilted backward and upward, the rear mounting plate is higher than the front mounting plate, and the front and rear ends of the intermediate mounting plate are respectively connected to the rear end of the front mounting plate and the front end of the rear mounting plate; the front mounting plate is installed with the battery.

[0013] The front side of the front mounting plate and the rear side of the rear mounting plate of the battery mounting plate are both suspended.

[0014] The battery is also mounted on the rear mounting plate.

[0015] After adopting the above scheme, the present invention has the following characteristics:

[0016] 1. The frame body of the scooter frame of the present invention is detachably connected to the rear wheel frame for mounting the motor and the rear wheel, so that the frame body of the scooter frame is universal. People only need to design different types of rear wheel frames to be connected to the frame body to form a scooter frame that can be adapted to different motor settings, thereby helping to reduce design costs;

[0017] 2. The frame body of the pedal frame of the present invention is provided with a left reinforcement frame and a right reinforcement frame, and the left reinforcement frame and the right reinforcement frame can improve the overall strength of the frame body;

[0018] 3. The pedal frame of the frame body of the pedal frame of the present invention is provided with a left front reinforcing tube and a right front reinforcing tube, and the left front reinforcing tube and the right front reinforcing tube can improve the overall strength of the frame body;

[0019] 4. The pedal electric vehicle of the present invention has a battery mounting plate, and the front mounting plate and the rear mounting plate of the battery mounting plate can both be deformed to reduce the impact on the battery, thereby protecting the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The structure of the frame body of the present invention is schematically shown in FIG. Figure 1 ;

[0021] Figure 2 The structure of the frame body of the present invention is schematically shown in FIG. Figure 2 ;

[0022] Figure 3 It is a partial structural schematic diagram of the frame body of the present invention;

[0023] Figure 4 The first embodiment of the pedal electric vehicle of the present invention is a partial structural diagram Figure 1 ;

[0024] Figure 5 The first embodiment of the pedal electric vehicle of the present invention is a partial structural diagram Figure 2 ;

[0025] Figure 6 It is a partial installation schematic diagram of a first embodiment of the pedal electric vehicle of the present invention;

[0026] Figure 7 A partial structural diagram of a second embodiment of the pedal electric vehicle of the present invention Figure 1 ;

[0027] Figure 8 A partial structural diagram of a second embodiment of the pedal electric vehicle of the present invention Figure 2 ;

[0028] Fig. 9 It is a partial installation schematic diagram of a second embodiment of the pedal electric vehicle of the present invention;

[0029] Fig.10 The schematic diagram of the installation of the controller of the pedal electric vehicle of the present invention is shown in FIG. Figure 1 ;

[0030] Fig.11The schematic diagram of the installation of the controller of the pedal electric vehicle of the present invention is shown in FIG. Figure 2 ;

[0031] Fig.12 The installation diagram of the battery mounting plate of the pedal electric vehicle of the present invention is shown in FIG. Figure 1 ;

[0032] Fig.13 The installation diagram of the battery mounting plate of the pedal electric vehicle of the present invention is shown in FIG. Figure 2 ;

[0033] Fig.14 The installation diagram of the battery mounting plate of the pedal electric vehicle of the present invention is shown in FIG. Figure 3 ;

[0034] Description of labels:

[0035] Scooter frame A,

[0036] Frame body A1,

[0037] Main beam tube 1,

[0038] Pedal frame 2, left pedal tube 21, right pedal tube 22, connecting section 201, horizontal section 202, extension section 203, left front reinforcement tube 23, right front reinforcement tube 24, controller mounting plate 25, mounting groove 251,

[0039] The seat frame 3, the rear frame 31, the left seat tube 32, the right seat tube 33, the rising section 301, the bending section 302, the tapering section 303,

[0040] The connecting frame 4, the connecting portion 41, the connecting hole 411,

[0041] Reinforcement frame 5, left reinforcement frame 51, right reinforcement frame 52, main reinforcement pipe 501, secondary reinforcement pipe 502,

[0042] Front reinforcement plate 6, left front reinforcement plate 61, right front reinforcement plate 62,

[0043] Rear reinforcement plate 7, left rear reinforcement plate 71, right rear reinforcement plate 72,

[0044] Head pipe 8, connecting pipe 9,

[0045] Rear wheel frame A2, shock absorber A3,

[0046] Rear wheel B,

[0047] Motor C,

[0048] Controller D,

[0049] Battery E,

[0050] Protective cover F,

[0051] Battery mounting plate G, front mounting plate G1, middle mounting plate G2, rear mounting plate G3. DETAILED DESCRIPTION

[0052] In order to further explain the technical solution of the present invention, the present invention is described in detail below through specific embodiments.

[0053] like Figures 1 to 14 As shown, the present invention discloses a scooter frame A, which includes a frame body A1 and a rear wheel frame A2 for mounting a rear wheel B and a motor C; the rear wheel frame A2 is detachably connected to the frame body A1; wherein since the frame body A1 is detachably connected to the rear wheel frame A2 for mounting a motor and a rear wheel, the frame body A1 of the scooter frame A is universal, and people only need to design different types of rear wheel frames A2 to be connected to the frame body A1 to form a scooter frame A that can be adapted to different motor settings, thereby helping to reduce design costs; for example, people can connect the rear wheel frame A2 that can mount a mid-mounted motor C1 and a rear wheel B to the frame body A1 to form a scooter frame A that can be adapted to the mid-mounted motor C1; people can also connect the rear wheel frame A2 that can mount a rear wheel B and a hub motor C2 to the frame body A1 to form a scooter frame A that can be adapted to the hub motor C2.

[0054] Specifically, the frame body A1 includes a connected main beam tube 1, a pedal frame 2, a seat frame 3, a connecting frame 4 and two reinforcing frames 5; the connecting frame 4 is used for detachable connection with the rear wheel frame A2, and the two reinforcing frames 5 are used to improve the overall strength of the frame body A1.

[0055] Cooperate Figures 1 to 3As shown, the pedal frame 2 includes a left pedal tube 21 and a right pedal tube 22 that are symmetrically arranged on the left and right sides. The left pedal tube 21 and the right pedal tube 22 both include a connecting section 201, a horizontal section 202 and an extending section 203 that are sequentially connected from front to back; the connecting section 201 of the left pedal tube 21 and the connecting section 201 of the right pedal tube 22 are connected to the main beam tube 1. The pedal frame 2 may also include a left front reinforcing tube 23 and a right front reinforcing tube 24 which are symmetrically arranged on the left and right sides, wherein two ends of the left front reinforcing tube 23 are respectively connected to the left side of the lower end of the main beam tube 1 and the connection between the connecting section 201 and the horizontal section 202 of the left pedal tube 21, and two ends of the right front reinforcing tube 24 are respectively connected to the right side of the lower end of the main beam tube 1 and the connection between the connecting section 201 and the horizontal section 202 of the right pedal tube 22, and the front end of the connecting section 201 of the left pedal tube 21 and the front end of the connecting section 201 of the right pedal tube 22 are respectively connected to the left and right sides of the lower middle part of the main beam tube 1, so that the left front reinforcing tube 23 and the connecting section 201 of the left pedal tube 21 form a quasi-triangular structure with the main beam tube 1, and at the same time, the right front reinforcing tube 24 and the connecting section 201 of the right pedal tube 22 also form a quasi-triangular structure with the main beam tube 1, thereby effectively improving the connection strength between the main beam tube 1 and the pedal frame 2, so that the connection between the main beam tube 1 and the pedal frame 2 can better withstand the torsional force caused to the connection between the main beam tube 1 and the pedal frame 2 when the electric vehicle brakes or turns.

[0056] Cooperate Figures 1 to 3 As shown, the seat frame 3 includes a rear frame 31 and a left seat tube 32 and a right seat tube 33 that are symmetrically arranged on the left and right sides. The left seat tube 32 and the right seat tube 33 both include an ascending section 301 that is inclined backward and upward, a bending section 302 whose front end is bent and connected to the rear end of the ascending section 301, and a tapered section 303 whose front end is bent and connected to the rear end of the bending section 302. The front end of the ascending section 301 of the left seat tube 32 is connected to the connection between the horizontal section 202 and the extension section 203 of the left pedal tube 21, and the front end of the ascending section 301 of the right seat tube 33 is connected to the connection between the horizontal section 202 and the extension section 203 of the right pedal tube 22. The left and right ends of the rear frame 31 are respectively connected to the tapered section 303 of the left seat tube 32 and the tapered section 303 of the right seat tube 33.

[0057] Cooperate Figure 1 , Figure 6 and Fig. 9 As shown, the left and right ends of the connecting frame 4 are respectively connected to the extension section 203 of the left pedal tube 21 and the extension section 203 of the right pedal tube 22, and the rear wheel frame A2 can be detachably hinged to the connecting frame 4; the connecting frame 4 can be provided with a connecting portion 41, and the connecting portion 41 is provided with connecting holes 411 that are arranged through the left and right sides, and the connecting hole 411 can be hinged to the rear wheel frame A2 through a pin shaft.

[0058] Cooperate Figures 1 to 3As shown, the two reinforcing frames 5 are divided into a left reinforcing frame 51 and a right reinforcing frame 52. The left reinforcing frame 51 and the right reinforcing frame 52 are symmetrically arranged. The left reinforcing frame 51 and the right reinforcing frame 52 both include a main reinforcing pipe 501 and a secondary reinforcing pipe 502 connected to the main reinforcing pipe 501. Figure 1 and Figure 2 As shown, the upper and lower ends of the main reinforcing tube 501 of the left reinforcing frame 51 are respectively connected to the tapered section 303 of the left seat tube 32 and the extended section 203 of the left pedal tube 21, and the front and rear ends of the secondary reinforcing tube 502 of the left reinforcing frame 51 are respectively connected to the bent section 302 of the left seat tube 32 and the middle section of the main reinforcing tube 501 of the left reinforcing frame 51; wherein the main reinforcing tube 501 of the left reinforcing frame 51 can form a triangular structure with the left seat tube 32 and the extended section 203 of the left pedal tube 21. The connection strength between the main reinforcement tube 501 of the left reinforcement frame 51, the left seat tube 32 and the left pedal tube 21 can be improved, thereby improving the overall strength of the frame body A1 and enabling the frame body A1 to better withstand the torsion force applied to the frame body A1 by the rear wheel frame A2; and the secondary reinforcement tube 502 of the left reinforcement frame 51 can improve the connection strength between the main reinforcement tube 501 of the left reinforcement frame 51 and the left seat tube 32, further improving the overall strength of the frame body A1. Figure 3 As shown, the upper and lower ends of the main reinforcing tube 501 of the right reinforcing frame 52 are respectively connected to the tapered section 303 of the right seat tube 33 and the extended section 203 of the right pedal tube 22, and the front and rear ends of the secondary reinforcing tube 502 of the right reinforcing frame 52 are respectively connected to the bent section 302 of the right seat tube 33 and the middle section of the main reinforcing tube 501 of the right reinforcing frame 52; wherein the main reinforcing tube 501 of the right reinforcing frame 52 can form a triangular structure with the right seat tube 33 and the extended section 203 of the right pedal tube 22. The connection strength among the main reinforcing tube 501 of the right reinforcing frame 52, the right seat tube 33 and the right pedal tube 22 can be improved, thereby improving the overall strength of the frame body A1 and enabling the frame body A1 to better withstand the torsion force applied to the frame body A1 by the rear wheel frame A2; and the secondary reinforcing tube 502 of the right reinforcing frame 52 can improve the connection strength between the main reinforcing tube 501 of the right reinforcing frame 52 and the right seat tube 33, further improving the overall strength of the frame body A1. It should be noted that the present invention also has the function of fixing the wiring by setting the main reinforcing tube 501, making the wiring more neat and beautiful.

[0059] Furthermore, the frame body A1 may also include two front reinforcing plates 6, which are divided into a left front reinforcing plate 61 and a right front reinforcing plate 62. The left front reinforcing plate 61 connects the upper side of the horizontal section 202 of the left pedal tube 21 and the front side of the rising section 301 of the left seat tube 32 to improve the connection strength between the left seat tube 32 and the left pedal tube 21, and the right front reinforcing plate 62 connects the upper side of the horizontal section 202 of the right pedal tube 22 and the front side of the rising section 301 of the right seat tube 33 to improve the connection strength between the right seat tube 33 and the right pedal tube 22. The frame body A1 may further include two rear reinforcing plates 7, which are divided into a left rear reinforcing plate 71 and a right rear reinforcing plate 72. The left rear reinforcing plate 71 is connected to the upper side of the extension section 203 of the left pedal tube 21 and the rear side of the rising section 301 of the left seat tube 32 to improve the connection strength between the left seat tube 32 and the left pedal tube 21. The right rear reinforcing plate 72 is connected to the upper side of the extension section 203 of the right pedal tube 22 and the rear side of the rising section 301 of the right seat tube 33 to improve the connection strength between the right seat tube 33 and the right pedal tube 22.

[0060] Cooperate Figures 1 to 14 As shown, the present invention also discloses a pedal electric vehicle using the above-mentioned pedal frame A, which includes a front wheel (not shown), a rear wheel B, a motor C, a controller D, a battery E and the above-mentioned pedal frame A; wherein the front wheel, the controller D and the battery E are installed on the frame body A1 of the pedal frame A, and the upper end of the main beam tube 1 of the frame body A1 can be connected to the head tube 8, and the head tube 8 is rotatably connected to the front fork (not shown) used to connect the front wheel, and the rear wheel B and the motor C are installed on the rear wheel frame A2 of the pedal frame 1.

[0061] Cooperate Figures 4 to 6 As shown, in the first embodiment of the pedal electric vehicle of the present invention, the pedal electric vehicle is a mid-mounted motor electric vehicle; specifically, in the first embodiment of the pedal electric vehicle of the present invention, the motor C is a mid-mounted motor C1, which is fixed to the front side of the rear wheel frame A2, and the rear wheel B is rotatably installed on the rear side of the rear wheel frame A2 and the rear wheel B is driven to rotate by the mid-mounted motor C2; wherein the rear wheel frame A2 can also be connected to the seat frame 3 of the frame body A1 through two shock absorbers A3 to reduce the vibration of the seat frame 3 during driving, and the lower ends of the two shock absorbers A3 are respectively hinged to the left and right sides of the rear wheel frame A2, and the upper ends of the two shock absorbers A2 are respectively hinged to the tapered section 303 of the left seat tube 32 and the tapered section 303 of the right seat tube 33 of the seat frame 3.

[0062] Cooperate Figures 7 to 9As shown, in the second embodiment of the pedal electric vehicle of the present invention, the pedal electric vehicle is a hub motor electric vehicle; specifically, in the second embodiment of the pedal electric vehicle of the present invention, the motor C is a hub motor C2 arranged on the rear wheel B and used to drive the rear wheel B to rotate, wherein the rear wheel frame A2 is also connected to the seat frame 3 of the frame body A1 through two shock absorbers A3 to reduce the vibration of the seat frame 3 during driving, and the lower ends of the two shock absorbers A3 are respectively hinged to the left and right sides of the rear wheel frame A2, and the upper ends of the two shock absorbers A2 are respectively hinged to the tapered section 303 of the left seat tube 32 and the tapered section 303 of the right seat tube 33 of the seat frame 3.

[0063] Cooperate Fig.10 and Fig.11 As shown, the controller D of the pedal electric vehicle is installed in the pedal frame 2 of the frame body A1; specifically, the pedal frame 2 also includes a controller mounting plate 25, which is connected to the left pedal tube 21 and the right pedal tube 22 of the pedal frame 2, and the two sides of the controller mounting plate 25 are bent upward to form a mounting groove 251, which can be triangular, and the controller D is installed in the mounting groove 251; in order to protect the controller D and the controller mounting plate 25, the pedal electric vehicle also includes a protective cover plate F connected to the pedal frame 2, and the protective cover plate F shields the bottom side of the controller mounting plate 25 to prevent the bottom side of the controller mounting plate 25 from being directly hit by sand and stones, thereby protecting the controller E and the controller mounting plate 25. The front end of the protective cover plate F can be connected to the left front reinforcing tube 23 and the right front frame tube 24, and the rear end of the protective cover plate F can be connected to the horizontal section 202 of the left pedal tube 21 and the horizontal section 202 of the right pedal tube 22.

[0064] Cooperate Figure 5 , Figure 8 as well as Figure 12 to Figure 14As shown, the pedal electric vehicle also includes a battery mounting plate G installed between the left seat tube 32 and the right seat tube 33 of the seat frame 3; the battery mounting plate G is a stepped structure, and the battery mounting plate G includes a front mounting plate G1, an intermediate mounting plate G2 and a rear mounting plate G3; the front mounting plate G1 and the rear mounting plate G3 are both arranged to be tilted forward and upward, while the intermediate mounting plate G2 is arranged to be tilted backward and upward, and the front and rear ends of the intermediate mounting plate G2 are respectively connected to the rear end of the front mounting plate G1 and the front end of the rear mounting plate G3, and the rear mounting plate G3 is higher than the front mounting plate G1 to avoid the rear mounting plate G3 interfering with the installation of the mid-mounted motor C1, thereby providing sufficient installation space for the mid-mounted motor C1; the front mounting plate The battery E is installed on the mounting plate G1, and the battery E can also be installed on the rear mounting plate G3 so that the pedal electric vehicle can be powered by two batteries E, thereby improving the endurance of the pedal electric vehicle; if the battery E is not installed on the rear mounting plate G3, the rear mounting plate G3 can be used to place other items (such as a safety helmet); the front mounting plate G1 and the rear mounting plate G3 are both tilted forward and upward so that the batteries E matched with the front mounting plate G1 and the rear mounting plate G3 can be tilted backward and upward, thereby making it easier for people to pull the battery E and remove the battery E for charging. Preferably, the tilt angle of the front mounting plate G1 and the rear mounting plate G3 can be 40° to 70°. Matching Figure 5 , Figure 8 and Fig.14 As shown, the front side of the front mounting plate G1 and the rear side of the rear mounting plate G3 of the battery mounting plate G are both suspended so that the front mounting plate G1 and the rear mounting plate G3 have deformation space, so that during the running of the pedal electric vehicle, the front mounting plate G1 and the rear mounting plate G3 can be deformed to reduce the impact on the battery E. Fig.13 and Fig.14 As shown, the left and right sides of the rear end of the middle front mounting plate G1 of the battery mounting plate G can be connected to the upper part of the rising section 301 of the left seat tube 32 and the upper part of the rising section 301 of the right seat tube 33 respectively, and the rear end of the front mounting plate G1 is connected to a connecting pipe 9 connecting the lower part of the rising section 301 of the left seat tube 32 and the lower part of the rising section 301 of the right seat tube 33.

[0065] The above embodiments and drawings do not limit the product form and style of the present invention. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present invention.

Claims

1. A scooter frame, characterized in that: It includes a frame body and a rear wheel frame for fixing the rear wheel and the motor; the frame body includes a main beam tube, a pedal frame, a seat frame, a connecting frame and two reinforcement frames; The pedal frame includes a left pedal tube and a right pedal tube that are symmetrically arranged on the left and right sides, and the left pedal tube and the right pedal tube each include a connecting section, a horizontal section, and an extending section that are sequentially connected from front to back, and the connecting section of the left pedal tube and the connecting section of the right pedal tube are connected to the main beam tube; The seat frame comprises a rear frame and a left seat tube and a right seat tube which are symmetrically arranged on the left and right sides, wherein the left seat tube and the right seat tube both comprise a rising section which is arranged to tilt backward and upward, a bending section whose front end is bent and connected to the rear end of the rising section, and a tapered section whose front end is bent and connected to the rear end of the bending section, the rising section of the left seat tube has a front end connected to a connection between a horizontal section and an extension section of a left pedal tube, the rising section of the right seat tube has a front end connected to a connection between a horizontal section and an extension section of a right pedal tube, and the left and right ends of the rear frame are respectively connected to the tapered section of the left seat tube and the tapered section of the right seat tube; The left and right ends of the connecting frame are respectively connected to the extended section of the left pedal tube and the extended section of the right pedal tube, and the rear wheel frame is detachably connected to the connecting frame; The two reinforcement frames are divided into a left reinforcement frame and a right reinforcement frame. The left reinforcement frame and the right reinforcement frame are symmetrically arranged. The left reinforcement frame and the right reinforcement frame both include a main reinforcement pipe. The upper and lower ends of the main reinforcement pipe of the left reinforcement frame are respectively connected to the tapered section of the left seat tube and the extended section of the left pedal tube. The upper and lower ends of the main reinforcement pipe of the right reinforcement frame are respectively connected to the tapered section of the right seat tube and the extended section of the right pedal tube.

2. The scooter frame according to claim 1, characterized in that: The left reinforcement frame and the right reinforcement frame also include secondary reinforcement tubes; the front and rear ends of the secondary reinforcement tube of the left reinforcement frame are respectively connected to the bending section of the left seat tube and the middle section of the main reinforcement tube of the left reinforcement frame, and the front and rear ends of the secondary reinforcement tube of the right reinforcement frame are respectively connected to the bending section of the right seat tube and the middle section of the main reinforcement tube of the right reinforcement frame.

3. The scooter frame according to claim 1, characterized in that: The pedal frame also includes a left front reinforcing tube and a right front reinforcing tube which are symmetrically arranged on the left and right sides; the two ends of the left front reinforcing tube are respectively connected to the left side of the lower end of the main beam tube and the connection between the connecting section and the horizontal section of the left pedal tube, and the two ends of the right front reinforcing tube are respectively connected to the right side of the lower end of the main beam tube and the connection between the connecting section and the horizontal section of the right pedal tube; the front end of the connecting section of the left pedal tube and the front end of the connecting section of the right pedal tube are respectively connected to the left and right sides of the middle and lower part of the main beam tube.

4. A pedal electric vehicle, characterized in that: The invention comprises a front wheel, a rear wheel, a motor, a controller, a battery and a scooter frame as claimed in any one of claims 1 to 3, wherein the front wheel, the controller and the battery are mounted on the frame body of the scooter frame, and the rear wheel and the motor are mounted on the rear wheel frame of the scooter frame.

5. The pedal electric vehicle as claimed in claim 4, characterized in that: The motor is a mid-mounted motor, which is fixed to the front side of the rear wheel frame. The rear wheel is rotatably installed on the rear side of the rear wheel frame and is driven to rotate by the mid-mounted motor.

6. The pedal electric vehicle according to claim 4, characterized in that: The motor is a hub motor which is arranged on the rear wheel and is used to drive the rear wheel to rotate.

7. The pedal electric vehicle according to claim 4, characterized in that: The pedal frame also includes a controller mounting plate, which is connected to the left pedal tube and the right pedal tube of the pedal frame, and the two sides of the controller mounting plate are bent upward to form a mounting groove, and the controller is installed in the mounting groove; The pedal electric vehicle also includes a protective cover plate connected to the pedal frame, and the protective cover plate shields the bottom side of the controller mounting plate.

8. The pedal electric vehicle according to claim 4, characterized in that: Also included is a battery mounting plate mounted between the left seat tube and the right seat tube of the seat frame; The battery mounting plate has a stepped structure, and includes a front mounting plate, an intermediate mounting plate and a rear mounting plate; the front mounting plate and the rear mounting plate are both arranged to be tilted forward and upward, while the intermediate mounting plate is arranged to be tilted backward and upward, the rear mounting plate is higher than the front mounting plate, and the front and rear ends of the intermediate mounting plate are respectively connected to the rear end of the front mounting plate and the front end of the rear mounting plate; the front mounting plate is mounted with the battery.

9. The pedal electric vehicle according to claim 8, characterized in that: The front side of the front mounting plate and the rear side of the rear mounting plate of the battery mounting plate are both suspended.

10. The pedal electric vehicle according to claim 8, characterized in that: The battery is also mounted on the rear mounting plate.

Images