High-light-weight electric vehicle aluminum alloy frame

Abstract

The utility model relates to the technical field of electric vehicles, in particular to a high-light-weight electric vehicle aluminum alloy frame which comprises a head tube, two lower side tubes, an upper side tube and a mounting frame, the head tube is used for mounting a front wheel and a handle, one end of each lower side tube is connected to the periphery of the head tube, the two lower side tubes are symmetrically arranged about the axis of the head tube, and the lower end of the mounting frame is connected to the lower side tubes. The upper end of the mounting frame is used for mounting a cushion, the upper side pipes are located above the lower side pipes, the number of the upper side pipes is the same as that of the lower side pipes, the upper side pipes and the lower side pipes are in one-to-one correspondence, one ends of the upper side pipes are connected to the periphery of the head pipe, and the other ends of the upper side pipes are connected to the mounting frame. The whole frame is composed of a plurality of pipes, lightweight production of the frame can be achieved, energy consumption of the electric vehicle is reduced, and the endurance mileage is increased. And the required materials are less, the production process is relatively simple, and the production cost is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of electric vehicles, and in particular to a highly lightweight aluminum alloy frame for electric vehicles. Background Art

[0002] With the increasing number of cars, automobile exhaust emissions and excessive consumption of oil resources have made environmental and energy problems increasingly serious. Therefore, electric vehicles, as the most promising green transportation tool, are becoming more and more popular among consumers due to their simple operation and fast passage. As an important part of electric vehicles, the frame is mainly used to install various components of electric vehicles.

[0003] The overall weight of existing vehicle frames is relatively heavy, and the energy consumption of electric vehicles is proportional to the weight of the frame. The heavier the frame weight, the higher the energy consumption, resulting in a lower cruising range of the electric vehicle. Utility Model Content

[0004] In order to reduce the weight of the frame, realize lightweight production of the frame, and increase the cruising range of the electric vehicle, the present application provides a highly lightweight aluminum alloy frame for an electric vehicle.

[0005] The highly lightweight aluminum alloy frame of an electric vehicle provided in this application adopts the following technical solution:

[0006] A highly lightweight aluminum alloy frame for an electric vehicle comprises a head tube, a lower side tube, an upper side tube and a mounting frame, wherein the head tube is used for mounting a front wheel and a handlebar, one end of the lower side tube is connected to the outer periphery of the head tube, two lower side tubes are provided, and the two lower side tubes are symmetrically arranged about the axis of the head tube, the lower end of the mounting frame is connected to the lower side tube, the upper end of the mounting frame is used for mounting a seat cushion, the upper side tube is located above the lower side tube, the number of the upper side tubes is the same as the number of the lower side tubes and corresponds one to one, one end of the upper side tube is connected to the outer periphery of the head tube, and the other end of the upper side tube is connected to the mounting frame.

[0007] By adopting the above technical solution, the frame is composed of multiple pipes, which helps to achieve lightweight production of the frame, reduce the energy consumption of electric vehicles, and increase the driving range. Fewer materials are required, the production process is relatively simple, and the production cost is reduced.

[0008] Preferably, the head pipe, the lower side pipe, the upper side pipe and the mounting frame are made of aluminum alloy.

[0009] By adopting the above technical solution, the density of the aluminum alloy material is relatively small, so that the overall weight of the frame is reduced, and lightweight production of the frame is achieved, which helps to reduce the energy consumption of electric vehicles.

[0010] Preferably, the outer circumference of one end of the lower side tube close to the head tube is in contact with the outer circumference of one end of the upper side tube close to the head tube.

[0011] By adopting the above technical solution, the upper side tube and the lower side tube are fitted together, providing more stable support for the head tube, improving the torsion resistance of the head tube, and thus improving the structural strength of the frame.

[0012] Preferably, it further comprises a reinforcing plate, wherein the reinforcing plate is connected to the lower ends of the two lower side tubes and the outer periphery of the head tube.

[0013] By adopting the above technical solution and setting of the reinforcement plate, it is helpful to improve the connection stability between the lower side tube and the head tube and improve the structural strength of the frame.

[0014] Preferably, it further comprises a connecting plate, wherein the connecting plate is connected to the lower side tube, and both ends of the connecting plate along the length direction of the connecting plate are in contact with the outer periphery of the lower side tube.

[0015] By adopting the above technical solution, the connecting plate is connected between the two lower side tubes, thereby improving the structural strength of the frame.

[0016] Preferably, the mounting frame includes a butt tube, a tail pipe, a first mounting seat and a second mounting seat, the lower end of the butt tube is connected to the outer periphery of the lower side tube, the upper end of the butt tube is connected to the lower end of the first mounting seat, the lower end of the tail pipe is connected to the outer periphery of the lower side tube, the upper end of the tail pipe is connected to the lower end of the first mounting seat, the distance between the butt tube and the tail pipe increases as the butt tube moves away from the lower side tube, and the second mounting seat is connected to the two tail pipes at both ends along the length direction of the second mounting seat.

[0017] By adopting the above technical solution, the abutment tube and the tail pipe are respectively connected to the first mounting seat, and the distance between the abutment tube and the tail pipe increases as the abutment tube moves away from the lower side tube. The abutment tube, the tail pipe and the lower side tube are triangular, which improves the structural strength of the mounting frame and better supports the seat cushion.

[0018] Preferably, it also includes a battery compartment, which is connected to the lower side tube, the lower surface of the battery compartment is fitted with the outer periphery of the lower side tube, the upper surface of the battery compartment is fitted with the outer periphery of the upper side tube, the side surface of the battery compartment close to the head tube is fitted with the outer periphery of the lower side tube, and the side surface of the battery compartment away from the head tube is fitted with the outer periphery of the abutment tube.

[0019] By adopting the above technical solution, the lower side tube, the upper side tube and the abutment tube fit with the outer periphery of the battery compartment to limit the battery compartment, avoid the existence of gaps that cause the battery compartment to collide with the frame and damage the battery compartment, and increase the service life of the battery compartment.

[0020] Preferably, the connecting plate is provided with a first connecting hole, and the first connecting hole is used for a bolt to pass through and then be threadedly connected to the battery compartment.

[0021] By adopting the above technical solution, the battery compartment and the frame are fixed, the possibility of the battery compartment colliding with the frame is reduced, and the service life of the battery compartment is increased.

[0022] Preferably, it further comprises a pedal, wherein the pedal is connected to a side of the lower tube away from the upper tube, and the pedal is directly opposite to the battery compartment.

[0023] By adopting the above technical solution, it is possible to prevent bumps on the ground from directly colliding with the battery compartment, thereby reducing the possibility of damage to the battery compartment and increasing the service life of the battery compartment.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. The frame is composed of multiple pipes, which helps to achieve lightweight production of the frame, reduce the energy consumption of electric vehicles, and increase the driving range. Fewer materials are required, the production process is relatively simple, and the production cost is reduced;

[0026] 2. The density of aluminum alloy material is relatively low, which reduces the overall weight of the frame, realizes lightweight production of the frame, and helps reduce the energy consumption of electric vehicles;

[0027] 3. The abutment tube and the tail pipe are respectively connected to the first mounting seat. The distance between the abutment tube and the tail pipe increases as the abutment tube moves away from the lower side pipe. The abutment tube, the tail pipe and the lower side pipe are triangular, which improves the structural strength of the mounting frame and better supports the seat cushion. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural diagram of a highly lightweight aluminum alloy frame for electric vehicles.

[0029] Figure 2 It is a structural diagram of the frame.

[0030] Description of reference numerals:

[0031] 1. Frame; 11. Head tube; 12. Lower side tube; 13. Upper side tube; 14. Mounting frame; 141. Abutment tube; 142. Tail tube; 143. First mounting seat; 144. Second mounting seat; 1441. Connecting tube; 1442. Articulated seat; 145. Rotating seat; 15. Reinforcement plate; 16. Connecting plate; 161. Horizontal plate; 162. Vertical plate; 163. Mounting plate; 1631. First connecting hole; 164. Connecting portion; 17. Third mounting seat;

[0032] 2. Pedal;

[0033] 3. Ribs;

[0034] 4. Battery compartment;

[0035] 5. Shock absorber;

[0036] 6. Cushion. DETAILED DESCRIPTION

[0037] The present application is further described in detail below in conjunction with the accompanying drawings.

[0038] Reference Figure 1 The embodiment of the present application discloses a highly lightweight aluminum alloy frame for electric vehicles, including a frame 1. The frame 1 includes a head pipe 11, an upper side pipe 13, a lower side pipe 12, and a mounting frame 14. The head pipe 11, the upper side pipe 13, the lower side pipe 12, and the mounting frame 14 are made of aluminum alloy.

[0039] Reference Figure 1 and Figure 2 The head tube 11 is used for mounting the front wheel and the handlebars, and the axis of the head tube 11 is tilted. One end of the upper side tube 13 is fixedly connected to the outer periphery of the head tube 11, and two upper side tubes 13 are provided. The two upper side tubes 13 are symmetrically arranged about the axis of the head tube 11, and the distance between the two opposite surfaces of the two upper side tubes 13 increases as the upper side tubes 13 move away from the head tube 11.

[0040] The lower side tube 12 is located below the upper side tube 13, and one end of the lower side tube 12 is fixedly connected to the outer periphery of the head tube 11. The number of the lower side tubes 12 is the same as the number of the upper side tubes 13 and corresponds to each other. The distance between the two relative surfaces of the two lower side tubes 12 increases as the lower side tubes 12 move away from the head tube 11. The outer periphery of one end of the lower side tube 12 close to the head tube 11 is in contact with the outer periphery of one end of the upper side tube 13 close to the head tube 11.

[0041] The frame 1 further includes a reinforcing plate 15. The reinforcing plate 15 is fixedly connected to the outer periphery of the head tube 11, and is located on a side of the head tube 11 close to the lower side tube 12, and is located on a side of the lower side tube 12 away from the upper side tube 13. The upper end of the reinforcing plate 15 is fixedly connected to the two lower side tubes 12.

[0042] The mounting frame 14 includes an abutment tube 141, a tail pipe 142, and a first mounting seat 143. The lower end of the abutment tube 141 is fixedly connected to the outer periphery of the lower side pipe 12, and one end of the upper side pipe 13 away from the head pipe 11 is fixedly connected to the outer periphery of the abutment tube 141. The lower end of the first mounting seat 143 is fixedly connected to one end of the abutment tube 141 away from the lower side pipe 12, the lower end of the tail pipe 142 is fixedly connected to one end of the lower side pipe 12 away from the head pipe 11, and the other end of the tail pipe 142 is fixedly connected to the lower end of the first mounting seat 143. The abutment tube 141 is located between the tail pipe 142 and the head pipe 11.

[0043] Reference Figure 1A highly lightweight aluminum alloy frame for electric vehicles also includes a battery compartment 4. The battery compartment 4 is fixedly connected to the lower side tube 12. The upper surface of the battery compartment 4 fits with the outer periphery of the upper side tube 13, the lower surface of the battery compartment 4 fits with the outer periphery of the lower side tube 12, the side surface of the battery compartment 4 close to the head tube 11 fits with the outer periphery of the lower side tube 12, and the side surface of the battery compartment 4 away from the head tube 11 fits with the outer periphery of the abutment tube 141.

[0044] Reference Figure 1 and Figure 2 The frame 1 also includes a connecting plate 16. The two ends of the connecting plate 16 along the length direction of the connecting plate 16 are fixedly connected to the lower side tube 12 respectively. In this embodiment, two connecting plates 16 are provided, and the two connecting plates 16 are spaced apart along the circumference of the lower side tube 12. The connecting plate 16 includes a transverse plate 161, a vertical plate 162, a mounting plate 163 and a connecting portion 164. One end of the transverse plate 161 along the width direction is fixedly connected to the lower end of the vertical plate 162, and one end of the mounting plate 163 along the width direction of the transverse plate 161 is fixedly connected to the side of the vertical plate 162 away from the transverse plate 161. The mounting plate 163 is provided with a first connecting hole 1631, and the first connecting hole 1631 is used for the bolt to pass through and then be threadedly connected to the battery compartment 4. The upper end of the connecting portion 164 is fixedly connected to one end of the mounting plate 163 along the length direction of the transverse plate 161, and the surface of one side of the connecting portion 164 away from the mounting plate 163 fits with the lower side tube 12. In this embodiment, two mounting plates 163 are provided, and the two mounting plates 163 are symmetrically arranged along the length direction of the transverse plate 161. The number of the connecting portions 164 is the same as the number of the mounting plates 163 and corresponds one to one.

[0045] Reference Figure 1 A highly lightweight aluminum alloy frame for electric vehicles further includes a pedal 2 and a rib 3. The pedal 2 is fixedly connected to a side of the lower tube 12 away from the upper tube 13. The rib 3 is fixedly connected to a side of the pedal 2 away from the lower tube 12. In this embodiment, two ribs 3 are provided, and the two ribs 3 are symmetrically distributed along the length direction of the connecting plate 16.

[0046] A highly lightweight aluminum alloy frame for an electric vehicle also includes a seat cushion 6 and a shock absorber 5. The mounting frame 14 also includes a second mounting seat 144. The second mounting seat 144 includes a connecting tube 1441 and a hinge seat 1442. The two ends of the connecting tube 1441 along the length direction of the connecting plate 16 are respectively fixedly connected to the outer periphery of the two connecting tubes 1441, and the hinge seat 1442 is fixedly connected to the outer periphery of the connecting tube 1441. A rotating seat 145 is provided on the outer periphery of the first mounting seat 143 away from the abutment tube 141, and one end of the seat cushion 6 close to the head tube 11 is rotatably connected to the rotating seat 145. The upper end of the shock absorber 5 is hinged to the end of the seat cushion 6 away from the head tube 11, and the lower end of the shock absorber 5 is hinged to the hinge seat 1442.

[0047] The frame 1 further includes a third mounting seat 17. The third mounting seat 17 is used for mounting the rear wheel. The third mounting seat 17 is fixedly connected to one end of the lower side tube 12 away from the head tube 11, and the third mounting seat 17 is located on the side of the lower side tube 12 facing the other lower side tube 12. The number of the third mounting seats 17 is the same as the number of the lower side tubes 12 and corresponds one to one.

[0048] The implementation principle of the highly lightweight aluminum alloy frame for electric vehicles in the embodiment of the present application is as follows: the frame 1 is composed of a head tube 11, an upper tube 13, a lower tube 12 and a mounting frame 14, which helps to reduce the overall weight of the frame 1. The upper tube 13 and the lower tube 12 are bent and fit on the outer surface of the battery compartment 4 to limit the position of the battery compartment 4. The abutment tube 141 and the tail tube 142 form the mounting frame 14, which improves the structural strength of the mounting frame 14 and helps the mounting frame 14 to better support the seat cushion 6.

[0049] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A highly lightweight aluminum alloy frame for electric vehicles, Features: The invention comprises a head tube (11), a lower tube (12), an upper tube (13) and a mounting frame (14); the head tube (11) is used for mounting a front wheel and a handlebar; one end of the lower tube (12) is connected to the outer periphery of the head tube (11); two lower tubes (12) are provided, and the two lower tubes (12) are symmetrically arranged about the axis of the head tube (11); the lower end of the mounting frame (14) is connected to the lower tube (12); the upper end of the mounting frame (14) is used for mounting a seat cushion (6); the upper tube (13) is located above the lower tube (12); the number of the upper tubes (13) is the same as the number of the lower tubes (12) and corresponds one to one; one end of the upper tube (13) is connected to the outer periphery of the head tube (11); the other end of the upper tube (13) is connected to the mounting frame (14).

2. The highly lightweight aluminum alloy frame for electric vehicles according to claim 1, Features: The head pipe (11), the lower side pipe (12), the upper side pipe (13) and the mounting frame (14) are made of aluminum alloy.

3. The highly lightweight aluminum alloy frame for electric vehicles according to claim 1, Features: The outer periphery of one end of the lower side tube (12) close to the head tube (11) is in contact with the outer periphery of one end of the upper side tube (13) close to the head tube (11).

4. The highly lightweight aluminum alloy frame for electric vehicles according to claim 1, Features: It also includes a reinforcing plate (15); the reinforcing plate (15) is connected to the lower ends of the two lower side tubes (12) and the outer periphery of the head tube (11).

5. The highly lightweight aluminum alloy frame for electric vehicles according to claim 1, Features: It also includes a connecting plate (16); the connecting plate (16) is connected to the lower side tube (12); and both ends of the connecting plate (16) along the length direction of the connecting plate (16) are in contact with the outer periphery of the lower side tube (12).

6. The highly lightweight aluminum alloy frame for electric vehicles according to claim 5, Features: The mounting frame (14) comprises a butt-joint tube (141), a tail tube (142), a first mounting seat (143) and a second mounting seat (144); the lower end of the butt-joint tube (141) is connected to the outer periphery of the lower side tube (12); the upper end of the butt-joint tube (141) is connected to the lower end of the first mounting seat (143); the lower end of the tail tube (142) is connected to the outer periphery of the lower side tube (12); the upper end of the tail tube (142) is connected to the lower end of the first mounting seat (143); the distance between the butt-joint tube (141) and the tail tube (142) increases as the butt-joint tube (141) moves away from the lower side tube (12); and the second mounting seat (144) is respectively connected to the two tail tubes (142) at two ends along the length direction of the second mounting seat (144).

7. The highly lightweight aluminum alloy frame for electric vehicles according to claim 6, Features: It also comprises a battery compartment (4); the battery compartment (4) is connected to the lower tube (12); the lower surface of the battery compartment (4) is in contact with the outer periphery of the lower tube (12); the upper surface of the battery compartment (4) is in contact with the outer periphery of the upper tube (13); the side surface of the battery compartment (4) close to the head tube (11) is in contact with the outer periphery of the lower tube (12); and the side surface of the battery compartment (4) away from the head tube (11) is in contact with the outer periphery of the abutment tube (141).

8. The highly lightweight aluminum alloy frame for electric vehicles according to claim 7, Features: The connecting plate (16) is provided with a first connecting hole (1631); the first connecting hole (1631) is used for a bolt to pass through and then be threadedly connected to the battery compartment (4).

9. The highly lightweight aluminum alloy frame for electric vehicles according to claim 7, Features: It also includes a pedal (2); the pedal (2) is connected to a side of the lower tube (12) away from the upper tube (13); the pedal (2) is directly opposite to the battery compartment (4).

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