Electric vehicle with frame type frame

Abstract

The present invention discloses an electric vehicle with a frame-type frame, which has two main beams arranged along the length direction of the electric vehicle, the two main beams are arranged in parallel in the width direction of the electric vehicle, a plurality of cross beams are bridged on the two main beams, a faucet pipe is connected to the front end of the two main beams, and a rear flat fork is connected to the rear end side of the two main beams; the middle position of the two main beams in the length direction has an arc-shaped protrusion extending downward, and a mounting structure is formed between the two arc-shaped protrusions, a pedal is provided on the upper side of the mounting structure, and a battery is used to be accommodated in the mounting structure. A support beam is provided between the cross beams provided on the front and rear sides of the frame, the support beam is provided on the lower side of the pedal, the support beam is offset to the upper side of the mounting structure, and a plurality of extended crimping structures are provided on the support beam, and the crimping structures are used to be crimped on the battery. The controller is electrically connected to the battery and the motor, and the controller is electrically connected to the power unit and the electric control provided on the front side of the electric vehicle through a main cable.

Description

Technical Field

[0001] The invention relates to an electric vehicle, in particular to an electric vehicle with a frame-type frame. Background Art

[0002] The structure of an electric vehicle includes a frame. As the main supporting structure of the electric vehicle, the frame plays a decisive role in the overall strength of the electric vehicle. The frame-type frame is made of iron components welded and fixed. The frame has two main beams arranged side by side, and a number of cross beams connecting the two main beams are arranged between the two main beams. Usually, a battery mounting structure is provided on the lower side of the lower end of the main beam, and the battery that provides power for the driving of the electric vehicle is arranged in the mounting structure. The front end of the main beam is upturned to accommodate the installation of the faucet. The rear side of the main beam is generally arranged horizontally to accommodate the connection to the rear flat fork of the electric vehicle, and to form a pedal part in the middle position. The strength of this frame mainly depends on the strength of the main beam itself. Therefore, the main beam appears to be relatively thick, which will significantly increase the weight of the frame and make the overall weight of the vehicle body heavier.

[0003] In addition, there are relatively many electronic controls and power units installed on the front side of electric vehicles, such as headlights, left and right turn signals, horns, instruments and other power units, as well as the high and low beam switch of the headlights, the corresponding switches of various lights, the throttle speed control mechanism, the horn control switch, the power control switch, the parking control and other electronic controls; there are also some communication signal lines such as vehicle speed, battery power, parking safety, etc., all of which usually need to be electrically connected to the controller through wires. When electric vehicles make electrical connections to these electrical components, they generally use multiple connectors to achieve the connection on the front side of the electric vehicle, and each connector is in a suspended state, which makes the wiring on the front side of the electric vehicle messy and the stability of the electrical connection between the connectors cannot be well guaranteed.

[0004] Chinese patent document (publication number: CN 219927890U) discloses an electric vehicle frame and an electric vehicle with the frame, which relates to the technical field of electric vehicle frames, and aims to solve the problem that the existing frames have poor versatility, and users need to purchase electric vehicles separately when they need to carry or expand the storage space, which is expensive and wastes resources. The device includes a frame body, two shock-absorbing mounting brackets, a connecting beam and a rear clothes hanger, the two shock-absorbing mounting brackets are symmetrically arranged, and are respectively fixedly mounted on two groups of upper side tubes of the frame body, and are both provided with a first mounting structure and a second mounting structure; the connecting beam is located between the two shock-absorbing mounting brackets and is respectively connected to the two shock-absorbing mounting brackets, and a third mounting structure is arranged on the connecting beam; the rear clothes hanger includes a first rear clothes hanger or a second rear clothes hanger, the first rear clothes hanger is connected to the first mounting structure and the third mounting structure, and the second rear clothes hanger is connected to the first mounting structure and the second mounting structure. The present invention can configure the rear clothes hanger of the frame according to the use needs, reduce the economic burden of users and save resources.

[0005] This frame adopts a double-layer frame arrangement mode at the pedal position to improve the strength of the frame and also provide a relatively firm mounting structure for the battery. However, the weight of this frame is relatively large and the processing of the frame is inconvenient. Summary of the invention

[0006] A technical problem to be solved by the present invention is to provide an electric vehicle with a frame-type frame, wherein the frame can effectively reduce the overall weight of the frame while ensuring strength, and the battery has good installation stability on the frame.

[0007] Another technical problem that the present invention needs to solve is to provide an electric vehicle with simple front-end wiring.

[0008] Another technical problem to be solved by the present invention is to provide an electric vehicle with a reasonable arrangement of batteries, controllers and motors.

[0009] In order to solve the above technical problems, the technical solution of the present invention is: an electric vehicle with a frame-type frame, a plurality of power units and an electric control are arranged on the front side, and the motor is arranged at the hub position of the rear wheel of the electric vehicle, characterized in that it includes:

[0010] The frame has two main beams arranged along the length direction of the electric vehicle, the two main beams are arranged in parallel in the width direction of the electric vehicle, a plurality of cross beams are bridged on the two main beams, a faucet pipe is connected to the front end of the two main beams, and a rear flat fork is connected to the rear end side of the two main beams; the middle position of the two main beams in the length direction is provided with an arc-shaped protrusion extending downward, a mounting structure is formed between the two arc-shaped protrusions, a pedal is provided on the upper side of the mounting structure, and the battery is used to be accommodated in the mounting structure;

[0011] A support beam is arranged along the length direction of the electric vehicle, and the two ends of the support beam are respectively connected to the cross beams arranged on the front and rear sides of the frame; the support beam is arranged on the lower side of the pedal, the support beam is offset to the upper side of the mounting structure, and a plurality of protruding crimping structures are arranged on the support beam, and the crimping structures are used to be crimped on the battery;

[0012] The controller is electrically connected to the battery and the motor, and is electrically connected to the power consumption unit and the electronic control arranged at the front side of the electric vehicle through a main cable.

[0013] The two main beams are arranged along the length of the electric vehicle, which mainly determines the overall strength of the frame. The faucet pipe is connected to the front end of the two main beams, and the two ends of the support beam are connected to the corresponding cross beams. The existence of the support beam is used to resist the bending deformation of the main beam. After the battery is installed in the installation cavity, the crimping structure on the installed support beam will be crimped on the battery.

[0014] A mounting platform can be set on the front side of the electric vehicle, and the sockets in all the connectors can be integrated on the mounting platform. The wire groups in the main cable are electrically connected to the sockets respectively, and each power unit and electronic control is electrically connected to the plug connectors in the connector through the wire groups. The plug connectors are respectively plugged into the sockets, thereby realizing conduction between each electrical component and the controller.

[0015] Furthermore, at least one end of the support beam is detachably connected to the corresponding cross beam, so as to facilitate the disassembly of the support beam and the connection structure and facilitate the replacement of the battery.

[0016] Furthermore, one end of the support beam is detachably connected to the corresponding cross beam, and the other end is hinged to the corresponding cross beam, which facilitates the disengagement between the crimping structure on the support beam and the battery, thereby facilitating the replacement of the battery.

[0017] Furthermore, the mounting structure is connected to the arc-shaped protrusion, and the bottom of the mounting structure extends into the bottom end of the arc-shaped protrusion. The setting of the arc-shaped protrusion can well adapt to the setting position of the mounting structure, so as to form a firm mounting structure for receiving the battery.

[0018] Furthermore, two groups of batteries are installed in the installation structure, and there is a gap between the two groups of batteries in the width direction of the electric vehicle, and the support beam is used to be embedded in the gap. By crimping the batteries, the stability of the batteries in the installation structure is improved, and the anti-theft performance of the batteries can be effectively improved.

[0019] Furthermore, the crimping structure includes a pressure rod, which is fixed on the support beam, and the outer end of the pressure rod extends radially outward of the support beam. The pressure rod is used to crimp the battery, and the crimping size is large, which can provide a stable crimping effect for the battery.

[0020] Furthermore, a fixed mounting platform is provided at the front end of the electric vehicle, on which a circuit board is connected, a main socket and several auxiliary sockets are connected to the circuit board, and the wiring on the circuit board realizes the corresponding electrical connection between the main socket and the auxiliary socket; the several power units and electric controls at the front end of the electric vehicle are respectively electrically connected to the auxiliary sockets through groups of wires, the main socket is electrically connected to the wires in the main cable, the auxiliary sockets are correspondingly plugged into the auxiliary sockets, and the main socket is plugged into the main socket. The plug-in connectors for realizing plug-in electrical connection at the front side of the electric vehicle are integrated on the fixed mounting platform, so that the wiring at the front end of the electric vehicle is simple, the plug-in operation is convenient, the position stability of the plug-in connectors is good, and it is conducive to ensuring the stability of the electrical connection between the plug-in connector and the socket.

[0021] Furthermore, the instrument at the front end of the electric vehicle protrudes toward the front end of the electric vehicle, the mounting platform is arranged at the lower side of the protruding portion of the instrument, and the socket is connected to the lower surface of the circuit board. The mounting platform is arranged at the lower side of the protruding portion of the instrument, so that the existing structure on the electric vehicle can be well utilized, the space on the electric vehicle can be fully utilized, and the plugging and disassembling operations between the plug connector and the socket can be facilitated.

[0022] Furthermore, the battery, controller and motor are arranged in a straight line in the length direction of the electric vehicle, and the controller is located between the battery and the motor. This makes the electrical connection distance between the battery, controller and motor the shortest, facilitates the electrical connection between the three, and reduces the energy loss of the wire.

[0023] Furthermore, a fixing plate is provided at the front end of the rear fork, the controller is fixed on the fixing plate, the controller is electrically connected to the motor via a rear cable, and the rear cable is extended and fixed on the rear fork. The controller is arranged at the front end of the rear fork, which can make good use of the space at the front end of the rear fork and well meet the relative position requirements between the controller, the battery and the motor.

[0024] Compared with the prior art, the present invention has the following beneficial effects: a support beam is provided between the two main beams, thereby forming two approximately triangular support structures on the bottom end sides of the two main beams, and the support beam can effectively resist the deformation of the main beam during driving, so that the overall strength of the frame can be guaranteed, thereby reducing the wall thickness of the main beam and effectively reducing the weight of the frame. By providing a crimping structure on the support beam, after the support beam is assembled in place, the crimping structure is crimped onto the battery, so that the position stability of the battery in the installation cavity is good, and the stability of the electrical connection between the batteries can be effectively guaranteed. It is also because the support beam crimps the battery through the crimping structure that the anti-theft property of the battery can be effectively improved. The controller is electrically connected to the power unit and the electric control on the front end side of the electric vehicle through a main cable, which facilitates the centralized connection of the electric control and the power unit, so that the connection stability of the connector is good, the wiring is convenient, and the wiring of the front end of the electric vehicle is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a partial structural diagram of this electric vehicle.

[0026] Figure 2 yes Figure 1 Exploded view of the middle part of the structure.

[0027] Figure 3 It is a structural diagram of the battery in this electric vehicle installed on the frame.

[0028] Figure 4 This is the wiring structure diagram of this electric vehicle.

[0029] Figure 5 yes Figure 4 A magnified view of some of the structures in .

[0030] Figure 6 This is a structural diagram of the socket arrangement on the integrated wiring board.

[0031] Figure 7 It is a top view of part of the structure of the electric vehicle.

[0032] Figure 8 yes Figure 6 Three-dimensional structure diagram.

[0033] Fig. 9 It is a diagram showing the arrangement of the battery, controller and motor.

[0034] In the figure, 1, cross beam; 2, pressure rod; 3, battery; 4, support beam; 5, main beam; 51, arc-shaped protrusion; 6, interval; 7, connecting bolt; 8, mounting seat; 9, elastic sleeve; 10, instrument; 11, faucet; 12, circuit board; 121, instrument PCB board; 122, integrated wiring board; 13, fixing seat; 14, speaker; 15, circuit breaker; 16, main cable; 17, controller; 18, wire; 19, wiring; 20, auxiliary socket; 201, main socket; 21, auxiliary plug connector; 211, main plug connector; 22, fixing plate; 23, shock absorber; 24, rear cable; 25, rear wheel; 26, rear fork; 27, motor. DETAILED DESCRIPTION

[0035] Combined with the drawings of the specification, the frame of the electric vehicle is a frame structure, which is generally made of iron and is made of several components fixed by welding. The frame serves as the strength basis of the electric vehicle, and other components of the electric vehicle are installed on the frame and supported by the frame.

[0036] The largest component in the frame is two main beams 5 arranged in parallel, and the main beams 5 are arranged along the length direction of the electric vehicle. A plurality of cross beams 1 are arranged between the two main beams 5, and the cross beams 1 are arranged along the width direction of the electric vehicle. The two ends of the cross beams 1 are respectively welded and fixed together with the two main beams 5. The battery 3 that provides power for the electric vehicle is installed at the middle position of the main beams 5. Therefore, a mounting structure is provided between the middle positions of the two main beams 5 in the length direction. The mounting structure is formed by welding and fixing together cross-arranged strip iron sheets. The mounting structure can also be a box-shaped structure. An installation cavity is formed in the mounting structure, and the battery 3 is accommodated in the installation cavity. An arc-shaped protrusion 51 is provided at the middle position of the length direction of the two main beams 5, and the arc-shaped protrusion 51 extends downward. As shown in the figure, the size of the arc-shaped protrusion 51 is relatively large, so that the main beam 5 is approximately C-shaped as a whole. The lower end of the mounting structure extends into the bottom end position of the arc-shaped protrusion 51, and the mounting structure is welded and fixed on the inner side surface of the two arc-shaped protrusions 51. A pedal is arranged on the upper side of the mounting structure, the pedal seals the mounting cavity, and the pedal also forms a pedal portion on the electric vehicle for the driver and passenger to step on.

[0037] A cross beam 1 is provided at each end of the two main beams 5 in the length direction. The cross beam 1 is usually not provided at the end of the main beam 5, but is biased toward the inner side of the end of the main beam 5. The front ends of the two main beams 5 are connected and fixed with the faucet pipe of the electric vehicle, and the rear flat fork is connected to the rear end side of the two main beams 5.

[0038] The main beam 5 is approximately C-shaped as a whole. In order to improve the bending strength of the main beam 5, a support beam 4 is provided between the cross beams 1 provided at the front and rear ends of the main beam 5. The support beam 4 is provided along the length direction of the electric vehicle and is located in the middle of the width direction of the electric vehicle. The two ends of the support beam 4 are respectively connected to the two cross beams 1. The support beam 4 is offset to the upper side of the mounting structure and is located at the lower side of the pedal. After the support beam 4 is provided at this position, two triangular stable support structures are formed at the bottom of the frame, so that the overall stability of the frame is good. Figure 3 As shown in the figure, the two main beams 5 can be formed by a tubular body through multiple bends. The rear end of the formed tubular body extends obliquely upward to form a U-shaped mounting portion, and the toolbox can be installed on the mounting portion. The support beam 4 can also be crimped to the battery 3. The support beam 4 is provided with a crimping structure. The crimping structure generally protrudes outward from the outside of the support beam 4. After the battery 3 and the support beam 4 are installed in place, the crimping structure is directly crimped on the battery 3. As shown in the figure, two groups of batteries 3 are arranged in the installation cavity. The two groups of batteries 3 have a gap 6 in the width direction of the electric vehicle. After the support beam 4 is installed in place, the support beam 4 is embedded in the gap 6 to achieve the separation between the two groups of batteries 3.

[0039] The crimping structure includes a pressure bar 2. The middle position of the pressure bar 2 is fixed on the support beam 4. The two outer ends of the pressure bar 2 extend radially outward from the support beam 4 and reach the position of the storage battery 3. The pressure bar 2 is of a channel-shaped structure, and the bottom surface of the pressure bar 2 is crimped on the upper surface of the storage battery 3. Sometimes, in order to improve the protection effect, a buffer pad is adhesively bonded to the bottom surface of the pressure bar 2. By the fitting of the buffer pad and the upper surface of the storage battery 3, a certain protection effect is provided for the storage battery 3. To improve the connection firmness between the pressure bar 2 and the support beam 4, the pressure bar 2 is fixedly connected to the mounting seat 8 by welding. The mounting seat 8 is in a U-shaped form. The length of the mounting seat 8 is greater than the width of the pressure bar 2. The mounting seat 8 is buckled on the support beam 4 and is fixedly connected to the support beam 4 by welding.

[0040] At least one end of the support beam 4 is detachably connected to the corresponding cross beam 1. This detachable connection structure is usually a connection bolt 7. One end of the support beam 4 can be pressed into a flat head, and the connection bolt 7 passes through the flat head and the cross beam 1 provided at the rear side part of the vehicle frame to realize the detachable connection between one end of the support beam 4 and the cross beam 1. The front end of the support beam 4 is hinged to the corresponding cross beam 1. A collar is fixedly welded at the front end of the support beam 4. The collar is rotatably sleeved on a hinge provided on the corresponding cross beam 1. To improve the stability, an elastic sleeve 9 is embedded in the collar, and the collar with the elastic sleeve 9 is sleeved on the hinge.

[0041] The working power of the electric vehicle is provided by the storage battery 3. Each electrical component on the electric vehicle is usually electrically connected to the controller 17. The controller 17 is arranged at the rear side of the storage battery 3. The motor 27 is arranged at the hub position of the rear wheel 25 of the electric vehicle. The controller 17 is located between the motor 27 and the storage battery 3. The storage battery 3, the controller 17 and the motor 27 are arranged in a straight line, and this straight line is located in the length direction of the electric vehicle. The storage battery 3 is electrically connected to the controller 17 through a wire 18. The storage battery 3 provides power for each power-consuming unit on the electric vehicle. The controller 17 is electrically connected to the motor 27 through a wire 18. The controller 17 controls the motor 27 to drive the rear wheel 25 to rotate.

[0042] A plurality of power-consuming units and electric controls are provided on the front side of the electric vehicle. These power-consuming units and electric controls are electrically connected to the controller 17 through a plurality of wires 18. These wires 18 are bundled together and externally sleeved with a rubber tube to form a main cable 16. The main cable 16 is arranged along the vehicle frame to the front end of the electric vehicle to realize the electrical connection with these power-consuming units and electric controls.

[0043] The rear fork 26 is hinged to the rear end side of the electric vehicle frame, a shock absorber 23 is provided between the rear fork 26 and the frame, and the rear wheel 25 is rotatably connected to the rear end of the rear fork 26. A fixing plate 22 is welded and fixed at the front end of the rear fork 26, and the controller 17 is installed on the fixing plate 22. The wire 18 electrically connecting the motor 27 and the controller 17 is made into a rear cable 24, and the rear cable 24 is bent into an L shape, and the rear cable 24 is extended and fixed on the rear fork 26.

[0044] There are several batteries 3, which are connected in series through wiring 19, and a circuit breaker 15 is connected in series to one of the wirings 19. The batteries 3 are divided into two groups, and the two groups of batteries 3 are arranged side by side on opposite sides of the straight line direction. The circuit breaker 15 is connected in series between the two groups of batteries 3, and the circuit breaker 15 is set at the front end of the interval 6 between the two groups of batteries 3.

[0045] The circuit breaker 15 is directly fixed on the front end of the support beam 4, and the button on the circuit breaker 15 faces outward. On the molded electric vehicle, a window can be provided at the corresponding position of the exterior panel, and the button faces the window, and the button on the circuit breaker 15 can be operated from the window.

[0046] To realize the electrical connection between the power unit and the electric control and the controller 17, some plug connectors need to be applied. The plug connector is a split structure. A plug connector includes a plug connector and a socket. The plug connector and the socket can be split or plugged together to realize the electrical connection. The plug connector and the socket are both connected to the grouped wires 18. Multiple wiring positions are set on the plug connector and the socket, and each wiring position can be connected to a wire 18. Under normal circumstances, the socket is electrically connected to the controller 17 through the wire 18, and the plug connector is electrically connected to the power unit and the electric control through the wire 18. A fixed mounting platform is provided on the front end side of the electric vehicle. The mounting platform itself is fixed, and all the sockets are integrated and fixed on the mounting platform.

[0047] A circuit board 12 is connected to the mounting platform, and the sockets are connected to the circuit board 12. Figure 5 , 6 The socket includes a main socket 201 and several auxiliary sockets 20. The main socket 201 is used to be plugged with the main plug connector 211, and the auxiliary socket 20 is used to be plugged with the corresponding auxiliary plug connector 21. Figure 4 , 5There are four auxiliary sockets 20, of which the two larger auxiliary sockets 20 correspond to the left combination switch cable and the right combination switch cable on the electric vehicle, and the ends of the left combination switch cable and the right combination switch cable are respectively connected with auxiliary plug connectors 21, and the two auxiliary plug connectors 21 are respectively plugged into the two larger auxiliary sockets 20. The two smaller auxiliary sockets 20 correspond to the left brake cable and the right brake cable on the electric vehicle, and the ends of the left and right brake cables are respectively connected with auxiliary plug connectors 21, and the two auxiliary plug connectors 21 are respectively plugged into the two auxiliary sockets 20. The left combination switch cables correspond to the DC / DC converter +V power supply, headlight switch control, high beam switching, low beam switching, turn signal control, left turn signal, right turn signal, and horn control; the right combination switch cables correspond to the speed control signal, speed control signal -, +5V power supply, DC / DC converter +V power supply, headlight switch control, driving control, and parking lock motor control; the left and right brake cables correspond to the brake power-off signal (Y / G) of the left and right brake handles; the main connection cables correspond to the negative pole of the secondary circuit power supply, the controller starting power supply (R / B), the driving light, the parking lock motor signal, the speed control signal, the signal -, +5V power supply, the active signal (P), the brake power-off signal (Y / G), the speed or communication signal (P), the left turn signal, the right turn signal, the low beam switching, the high beam switching, and the DC / DC converter +V power supply. Therefore, the interfaces on the main socket 201 and the auxiliary socket 20 need to be electrically connected one by one through the wiring on the circuit board 12.

[0048] In order to prevent the plug connector and the socket from being corroded by rain or dust from the outside, a shielding structure is formed on the outside of the mounting platform, and the shielding structure is used to provide shielding for the plug connector and the socket on the mounting platform. A meter 10 is arranged on the faucet 11 of the electric vehicle, and the meter 10 is flat and protrudes toward the front side of the electric vehicle. The structure of the meter 10 includes a display panel, and the display panel is used to display some working parameters of the electric vehicle. An outer cover is buckled on the outside of the display panel, and the outer cover is transparent, and some digital and graphic information displayed on the display panel can be seen through the outer cover. The mounting platform is arranged on the lower side of the meter 10 of the electric vehicle, and more specifically, the mounting platform is arranged on the lower side of the protruding part of the meter 10, so that the meter 10 can be used as a shielding structure. In addition, a shell can be detachably buckled on the lower side of the protruding part of the meter 10, and the shell shields the mounting platform and the plug connector 21 and the socket 20. The mounting platform can also be welded and fixed on the faucet pipe.

[0049] A plastic fixing seat 13 is fixedly mounted on the handlebar 11 of the electric vehicle, the instrument 10 is mounted on the fixing seat 13, and the circuit board 12 is connected to the fixing seat 13. The circuit boards 12 are two, and the two circuit boards 12 are arranged horizontally and parallel to each other. The upper circuit board 12 is an instrument PCB board 121, and the lower circuit board 12 is an integrated wiring board 122. The socket is connected to the lower surface of the integrated wiring board 122. The instrument PCB board 121 and the integrated wiring board 122 are electrically connected through wires and connectors, and the instrument 10 is electrically connected to the instrument PCB board. Figure 6 As shown in the figure, the integrated wiring board 122 is T-shaped, four auxiliary sockets 20 are arranged at the large end of the integrated wiring board 122 in the horizontal direction of the integrated wiring board 122, and one main socket 201 is arranged at the small end of the integrated wiring board 122 in the longitudinal direction of the integrated wiring board 122.

[0050] The wire 18 electrically connected to the main plug connector 211 is a part of the main cable 16. The main plug connector 211 is plugged into the main socket 201. The main cable 16 extends in the length direction of the frame. The speaker 14 is also arranged at the front side of the electric vehicle. The speaker 14 is electrically connected to the controller 17 through the wire 18 in the main cable 16. The main cable 16 is fixed to the frame. The main cable 16 extends along one of the main beams 5. The main cable 16 can be tied to the main beam 5 from the middle position of the main cable 16 by a tie.

Claims

1. An electric vehicle with a frame-type frame, with a plurality of power units and electric control arranged on the front side, and a motor arranged at the wheel hub position of the rear wheel of the electric vehicle, characterized in that: include: The frame has two main beams arranged along the length direction of the electric vehicle, the two main beams are arranged in parallel in the width direction of the electric vehicle, a plurality of cross beams are bridged on the two main beams, a faucet pipe is connected to the front end of the two main beams, and a rear flat fork is connected to the rear end side of the two main beams; the middle position of the two main beams in the length direction is provided with an arc-shaped protrusion extending downward, a mounting structure is formed between the two arc-shaped protrusions, a pedal is provided on the upper side of the mounting structure, and the battery is used to be accommodated in the mounting structure; A support beam is arranged along the length direction of the electric vehicle, and the two ends of the support beam are respectively connected to the cross beams arranged on the front and rear sides of the frame; the support beam is arranged on the lower side of the pedal, the support beam is offset to the upper side of the mounting structure, and a plurality of protruding crimping structures are arranged on the support beam, and the crimping structures are used to be crimped on the battery; A controller, electrically connected to the battery and the motor, and electrically connected to the power unit and the electronic control arranged at the front side of the electric vehicle through a main cable; Two groups of batteries are installed in the installation structure, and there is a gap between the two groups of batteries in the width direction of the electric vehicle. The support beam is used to be embedded in the gap.

2. The electric vehicle with a frame-type frame according to claim 1, characterized in that: At least one end of the support beam is detachably connected to the corresponding cross beam.

3. The electric vehicle with a frame-type frame according to claim 2, characterized in that: One end of the support beam is detachably connected to the corresponding cross beam, and the other end is hinged to the corresponding cross beam.

4. The electric vehicle with a frame-type frame according to claim 1, characterized in that: The mounting structure is connected to the arc-shaped protrusion, and the bottom of the mounting structure extends into the bottom end position of the arc-shaped protrusion.

5. The electric vehicle with a frame-type frame according to claim 1, characterized in that: The pressing structure comprises a pressing rod which is fixed on the supporting beam, and the outer end of the pressing rod extends outwardly in the radial direction of the supporting beam.

6. The electric vehicle with a frame-type frame according to any one of claims 1 to 5, characterized in that: A fixed mounting platform is provided at the front end side of the electric vehicle, on which a circuit board is connected, a main socket and several auxiliary sockets are connected on the circuit board, and the wiring on the circuit board realizes the corresponding electrical connection between the main socket and the auxiliary socket; the several power units and electronic controls at the front end of the electric vehicle are respectively electrically connected to the auxiliary sockets through groups of wires, the main socket is electrically connected to the wires in the main cable, the auxiliary sockets are correspondingly plugged into the auxiliary sockets, and the main sockets are plugged into the main sockets.

7. The electric vehicle with a frame-type frame according to claim 6, characterized in that: The instrument at the front end of the electric vehicle protrudes toward the front end of the electric vehicle, the mounting platform is arranged at the lower side of the protruding part of the instrument, and the main socket and the auxiliary socket are connected to the lower surface of the circuit board.

8. The electric vehicle with a frame-type frame according to any one of claims 1 to 5, characterized in that: The battery, controller and motor are arranged in a straight line in the length direction of the electric vehicle, and the controller is located between the battery and the motor.

9. The electric vehicle with a frame-type frame according to claim 8, characterized in that: A fixing plate is provided at the front end of the rear flat fork, and the controller is fixed on the fixing plate. The controller is electrically connected to the motor through a rear cable, and the rear cable is extended and fixed on the rear flat fork.

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