Modular electric vehicle chassis architecture

Abstract

The present invention belongs to the technical field of electric vehicle chassis, and is particularly a modular electric vehicle chassis architecture. Aiming at the problem that the anti-collision structure of the existing electric vehicle chassis has poor buffering effect and is not convenient for disassembly and replacement, which affects the use effect, the following scheme is proposed, which includes a chassis body and an anti-collision mechanism, the anti-collision mechanism includes an anti-collision plate, a mounting frame and a buffer plate, the mounting frame is fixedly connected to the front side of the chassis body, the rear side of the buffer plate is fixedly provided with a plurality of buffer springs, the rear ends of the plurality of buffer springs are fixedly connected to the rear inner wall of the mounting frame, and the mounting frame is internally slidably installed with two trapezoidal plates, the rear side of the buffer plate is fixedly connected with two brackets, and rollers are rotatably installed in the two brackets. The present invention uses multiple shock absorption to efficiently and stably buffer and damp the anti-collision mechanism of the electric vehicle chassis, thereby ensuring the safety of use, and is convenient for disassembly of the anti-collision plate, so as to facilitate replacement.

Description

Technical Field

[0001] The present invention relates to the technical field of electric vehicle chassis, and in particular to a modular electric vehicle chassis architecture. Background Art

[0002] Electric vehicles are vehicles that use onboard power batteries as power, use motors to drive wheels, and comply with various requirements of road traffic and safety regulations. They use the electricity stored in the battery to start. When driving a car, sometimes 10kwh or 20kwh of electricity is used, and sometimes more is needed. The components of electric vehicles include: electric drive and control system, mechanical systems such as drive force transmission, and working devices to complete the given tasks.

[0003] However, the anti-collision structure of the existing electric vehicle chassis has poor buffering effect and is not convenient to disassemble and replace, which affects the use effect. Therefore, we propose a modular electric vehicle chassis architecture to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the existing electric vehicle chassis, such as poor anti-collision structure buffering effect, inconvenience in disassembly and replacement, which affects the use effect, and to propose a modular electric vehicle chassis architecture.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] The modular electric vehicle chassis structure comprises a chassis body and an anti-collision mechanism, wherein the anti-collision mechanism comprises an anti-collision plate, a mounting frame and a buffer plate, wherein the mounting frame is fixedly connected to the front side of the chassis body, and the rear side of the buffer plate is fixedly provided with a plurality of buffer springs, the rear ends of the plurality of buffer springs are fixedly connected to the rear inner wall of the mounting frame, and two trapezoidal plates are slidably installed inside the mounting frame, and the rear side of the buffer plate is fixedly connected to two brackets, and rollers are rotatably installed in the two brackets, and the two rollers are respectively connected to one side of the corresponding trapezoidal plate in a rolling manner, and the other sides of the two trapezoidal plates are provided with transverse grooves, and transverse plates are fixedly installed on the inner walls of both sides of the mounting frame, and the two transverse plates are respectively connected to the corresponding transverse grooves in a sliding manner, and the two transverse plates are fixedly connected to the sides close to each other with compression springs, and the ends of the two compression springs close to each other are respectively fixedly connected to the inner walls of one side of the corresponding transverse groove, and the buffer plate The two cams are connected to each other by a hinge, and the two cams are connected at the same time by a hinge. The two cams are connected at the same time by a hinge. The two cams are connected at the same time by a hinge. The two cams are connected at the same time by a hinge.

[0007] Preferably, a pull rod and two positioning springs are fixedly connected to the top of the square plate, and the top ends of the two positioning springs are fixedly connected to the top inner wall of the vertical groove.

[0008] Preferably, a cross bar is fixedly connected to the inner wall of one side of the transverse groove, and side plates are fixedly installed on the ends of the two cross bars away from each other. Side grooves are opened on the sides of the two cross plates away from each other, and the two side plates are slidably connected in the corresponding lateral grooves.

[0009] Preferably, the two side plates are fixedly connected to one side away from each other with a connecting spring, and the two connecting springs are fixedly connected to the inner walls on both sides of the installation frame at one end away from each other.

[0010] Preferably, a limiting plate is fixedly mounted on the other side of the buffer plate, a limiting groove is provided on an inner wall of one side of the mounting frame, and the limiting plate is slidably connected in the limiting groove.

[0011] Preferably, fixing rods are fixedly connected to the inner walls on both sides of the groove, baffles are fixedly installed on the ends of the two fixing rods that are close to each other, and return springs are fixedly connected to the sides of the two baffles that are away from each other, and the ends of the two return springs that are away from each other are respectively fixedly connected to one side of the corresponding slide.

[0012] Preferably, a plurality of square grooves are provided on the rear side of the trapezoidal plate, and rotating wheels are rotatably installed in the square grooves, and the plurality of rotating wheels are rotatably connected to the rear inner wall of the installation frame.

[0013] Preferably, a same limiting rod is fixedly connected to the inner walls on both sides of the limiting groove, and the limiting plate is slidably sleeved on the outer side of the limiting rod.

[0014] In the modular electric vehicle chassis structure, the anti-collision plate transmits the impact to the buffer plate through the cooperation of the card slot and the card plate, and multiple buffer springs buffer the forward and backward movement of the buffer plate, and when the buffer plate moves to the rear side, it drives the two rollers to move backward through the two brackets, and the two rollers move to the side away from each other through the corresponding trapezoidal plates, and compress the two compression springs, and the impact is further buffered by the follower, and the two trapezoidal plates drive the two side plates to move to the side away from each other through the corresponding cross bars, and compress the connecting springs, thereby further improving the buffering and shock absorption effect;

[0015] In the present invention, the modular electric vehicle chassis structure is driven by pulling the pull rod upward to move the square plate upward, so that the square plate is separated from the positioning groove, thereby separating from the fixation of the pull plate, and then the pull plate is pulled to move to the left, thereby driving the right slide plate to move to the left, and the right slide plate drives the turntable to rotate clockwise through the cooperation of the lower connecting plate and the lower round rod, and the turntable drives the left slide plate to move to the right through the upper round rod and the upper connecting plate, and the two slide plates drive the two card plates to move toward the side close to each other, so that the two card plates are separated from the card slots, thereby releasing the fixation of the anti-collision plate, so as to facilitate the removal of the anti-collision plate;

[0016] The present invention has a reasonable structural design, and can efficiently and stably buffer and damp the anti-collision mechanism of the electric vehicle chassis through multiple shock absorption, thereby ensuring safety in use, and is easy to disassemble the anti-collision plate, thereby facilitating replacement, and has high reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the three-dimensional structure of the modular electric vehicle chassis architecture proposed by the present invention;

[0018] Figure 2 It is a schematic diagram of a top view and cross-section structure of the anti-collision mechanism proposed by the present invention;

[0019] Figure 3This is a schematic structural diagram of part A of the modular electric vehicle chassis architecture proposed by the present invention;

[0020] Figure 4 This is a schematic structural diagram of part B of the modular electric vehicle chassis architecture proposed by the present invention;

[0021] Figure 5 This is a front view of the modular electric vehicle chassis architecture proposed by the present invention.

[0022] In the figure: 1. chassis body; 2. anti-collision plate; 3. installation frame; 4. buffer plate; 5. groove; 6. slide plate; 7. connecting plate; 8. round rod; 9. turntable; 10. clamping plate; 11. clamping groove; 12. fixing rod; 13. reset spring; 14. pull plate; 15. buffer spring; 16. roller; 17. trapezoidal plate; 18. transverse groove; 19. compression spring; 20. transverse plate; 21. side plate; 22. lateral groove; 23. connecting spring; 24. limit groove; 25. limit plate; 26. fixing plate; 27. vertical groove; 28. pull rod; 29. ​​positioning spring; 30. square plate; 31. positioning groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] Reference Figure 1-5The modular electric vehicle chassis structure comprises a chassis body 1 and an anti-collision mechanism, the anti-collision mechanism comprises an anti-collision plate 2, a mounting frame 3 and a buffer plate 4, the mounting frame 3 is fixedly connected to the front side of the chassis body 1, and the rear side of the buffer plate 4 is fixed with a plurality of buffer springs 15, the rear ends of the plurality of buffer springs 15 are fixedly connected to the rear inner wall of the mounting frame 3, and two trapezoidal plates 17 are slidably installed in the mounting frame 3, and the rear side of the buffer plate 4 is fixedly connected with two brackets, and rollers 16 are rotatably installed in the two brackets, and the two rollers 16 are respectively connected to one side of the corresponding trapezoidal plate 17 for rolling connection, and the other sides of the two trapezoidal plates 17 are provided with transverse grooves 18, and transverse plates 20 are fixedly installed on the inner walls of both sides of the mounting frame 3, and the two transverse plates 20 are respectively connected to the corresponding transverse grooves 18 for sliding connection, and the two transverse plates 20 are fixedly connected to the sides close to each other with compression springs 19, and the ends of the two compression springs 19 close to each other are respectively fixedly connected to the inner walls of one side of the corresponding transverse groove 18, and the front side of the buffer plate 4 is opened. A groove 5 is provided, in which two slide plates 6 are slidably installed, and a card plate 10 is fixedly installed on the side away from each other of the two slide plates 6. A plug-in groove is provided on the rear side of the anti-collision plate 2, and the buffer plate 4 is movably connected in the plug-in groove, and card grooves 11 are provided on the inner walls on both sides of the plug-in groove. The two card plates 10 are movably connected in the corresponding card grooves 11 respectively, and the side of the two card plates 10 close to each other is rotatably connected with a connecting plate 7 through a hinge. The inner walls on both sides of the groove 5 are fixedly connected with the same fixed shaft. A turntable 9 is rotatably sleeved on the outer side of the fixed shaft, and two round rods 8 are fixedly installed on the front side of the turntable 9. Two connecting plates 7 are rotatably sleeved on the outer sides of the corresponding round rods 8, and a pull plate 14 is fixedly installed on one side of one of the two slides 6. A positioning groove 31 is provided on the rear side of the pull plate 14. A fixed plate 26 is fixedly installed on one side of the buffer plate 4, and a vertical groove 27 is provided on the front side of the fixed plate 26. A square plate 30 is slidably installed in the vertical groove 27, and the square plate 30 is movably clamped in the positioning groove 31.

[0025] In this embodiment, a pull rod 28 and two positioning springs 29 are fixedly connected to the top of the square plate 30 , and the top ends of the two positioning springs 29 are fixedly connected to the top inner wall of the vertical slot 27 to position the square plate 30 .

[0026] In this embodiment, a cross bar is fixedly connected to the inner wall of one side of the transverse groove 18, and a side plate 21 is fixedly installed on the ends of the two cross bars away from each other. A lateral groove 22 is opened on the side of the two transverse plates 20 away from each other, and the two side plates 21 are respectively slidably connected in the corresponding lateral grooves 22 to further guide the trapezoidal plate 17.

[0027] In this embodiment, the two side plates 21 are fixedly connected to the sides away from each other with connection springs 23 , and the ends of the two connection springs 23 away from each other are fixedly connected to the inner walls of the installation frame 3 on both sides to buffer the side plates 21 .

[0028] In this embodiment, a limiting plate 25 is fixedly installed on the other side of the buffer plate 4, and a limiting groove 24 is provided on the inner wall of one side of the installation frame 3. The limiting plate 25 is slidably connected in the limiting groove 24 to guide and limit the buffer plate 4.

[0029] In this embodiment, fixing rods 12 are fixedly connected to the inner walls on both sides of the groove 5, and baffles are fixedly installed on the ends of the two fixing rods 12 that are close to each other, and reset springs 13 are fixedly connected to the sides of the two baffles that are away from each other. The ends of the two reset springs 13 that are away from each other are respectively fixedly connected to one side of the corresponding slide 6 to reset the slide 6.

[0030] In this embodiment, a plurality of square grooves are formed on the rear side of the trapezoidal plate 17 , and rotating wheels are rotatably installed in the square grooves. The plurality of rotating wheels are rotatably connected to the rear inner wall of the installation frame 3 to guide the trapezoidal plate 17 .

[0031] In this embodiment, a same limiting rod is fixedly connected to the inner walls on both sides of the limiting groove 24 , and the limiting plate 25 is slidably sleeved on the outer side of the limiting rod to guide and limit the limiting plate 25 .

[0032] In this embodiment, when in use, the anti-collision plate 2 transmits the impact to the buffer plate 4 through the cooperation of the card slot 11 and the card plate 10, and multiple buffer springs 15 buffer the front and rear movement of the buffer plate 4, and when the buffer plate 4 moves to the rear side, it drives the two rollers 16 to move backward through the two brackets, and the two rollers 16 move to the side away from each other through the corresponding trapezoidal plates 17 respectively, and compress the two compression springs 19, and the driven impact is further buffered, and the two trapezoidal plates 17 drive the two side plates 21 to move to the side away from each other through the corresponding cross bars, and compress the connecting springs 23, thereby further improving the buffering and shock absorption effect, and can By pulling the pull rod 28 upward, the square plate 30 is driven to move upward, so that the square plate 30 is disengaged from the positioning groove 31, thereby disengaging from the fixation of the pull plate 14, and then the pull plate 14 is pulled to the left to drive the right slide plate 6 to move to the left, and the right slide plate 6 drives the turntable 9 to rotate clockwise through the cooperation of the lower connecting plate 7 and the lower round rod 8, and the turntable 9 drives the left slide plate 6 to move to the right through the upper round rod and the upper connecting plate 7. The two slide plates 6 drive the two card plates 10 to move toward the side close to each other, so that the two card plates 10 are disengaged from the card slot 11, thereby releasing the fixation of the anti-collision plate 2, so as to facilitate the disassembly of the anti-collision plate 2.

Claims

1. A modular electric vehicle chassis structure, comprising a chassis body (1) and an anti-collision mechanism, characterized in that: The anti-collision mechanism comprises an anti-collision plate (2), a mounting frame (3) and a buffer plate (4); the mounting frame (3) is fixedly connected to the front side of the chassis body (1); the rear side of the buffer plate (4) is fixedly provided with a plurality of buffer springs (15); the rear ends of the plurality of buffer springs (15) are fixedly connected to the rear inner wall of the mounting frame (3); and two trapezoidal plates (17) are slidably installed inside the mounting frame (3); the rear side of the buffer plate (4) is fixedly connected to two brackets; rollers (16) are rotatably installed in the two brackets; the two rollers (16) are respectively connected to one side of the corresponding trapezoidal plates (17) in a rolling manner; and the other sides of the two trapezoidal plates (17) are provided with transverse grooves (18); transverse plates (20) are fixedly installed on the inner walls of both sides of the mounting frame (3); the two transverse plates (20) are respectively connected to the corresponding transverse grooves (18) in a sliding manner; and the two transverse plates (20) are fixedly connected to the sides close to each other with compression springs (19); the two compression springs (19) are close to each other. One end of each of the two plates is fixedly connected to the inner wall of one side of the corresponding transverse groove (18), and a groove (5) is provided on the front side of the buffer plate (4), two slide plates (6) are slidably installed in the groove (5), and a card plate (10) is fixedly installed on the side away from each other of the two slide plates (6). A plug-in groove is provided on the rear side of the anti-collision plate (2), the buffer plate (4) is movably connected in the plug-in groove, and a card groove (11) is provided on the inner walls on both sides of the plug-in groove, and the two card plates (10) are respectively movably carded in the corresponding card grooves (11), and the sides of the two card plates (10) close to each other are rotatably connected to a connecting plate (7) through a hinge, and the inner walls on the front and rear sides of the groove (5) are fixedly connected to the same fixed shaft, and a rotating disk (9) is rotatably sleeved on the outer side of the fixed shaft, and two round rods (8) are fixedly installed on the front side of the rotating disk (9), and the two connecting plates (7) are respectively rotatably sleeved on the outer side of the corresponding round rod (8), and a pull plate (14) is fixedly installed on one side of one of the two slide plates (6). A positioning groove (31) is provided on the rear side of the pull plate (14); a fixing plate (26) is fixedly installed on one side of the buffer plate (4); a vertical groove (27) is provided on the front side of the fixing plate (26); a square plate (30) is slidably installed in the vertical groove (27); the square plate (30) is movably engaged in the positioning groove (31); a pull rod (28) and two positioning springs (29) are fixedly connected to the top of the square plate (30); the top ends of the two positioning springs (29) are fixedly connected to the top of the vertical groove (27). A cross bar is fixedly connected to the inner wall of one side of the transverse groove (18), and the ends of the two cross bars away from each other are fixedly mounted with side plates (21); the sides of the two transverse plates (20) away from each other are provided with lateral grooves (22), and the two side plates (21) are respectively slidably connected in the corresponding lateral grooves (22); the sides of the two side plates (21) away from each other are fixedly connected with connecting springs (23), and the ends of the two connecting springs (23) away from each other are respectively fixedly connected to the inner walls of the two sides of the installation frame (3).

2. The modular electric vehicle chassis architecture according to claim 1, characterized in that: A limiting plate (25) is fixedly mounted on the other side of the buffer plate (4), a limiting groove (24) is provided on an inner wall of one side of the installation frame (3), and the limiting plate (25) is slidably connected in the limiting groove (24).

3. The modular electric vehicle chassis architecture according to claim 1, characterized in that: Fixed rods (12) are fixedly connected to the inner walls on both sides of the groove (5); baffles are fixedly mounted on the ends of the two fixed rods (12) that are close to each other; return springs (13) are fixedly connected to the sides of the two baffles that are away from each other; and the ends of the two return springs (13) that are away from each other are fixedly connected to one side of the corresponding slide plate (6).

4. The modular electric vehicle chassis architecture according to claim 1, characterized in that: A plurality of square grooves are provided on the rear side of the trapezoidal plate (17), and rotating wheels are rotatably installed in the square grooves. The plurality of rotating wheels are rotatably connected to the rear inner wall of the installation frame (3).

5. The modular electric vehicle chassis architecture according to claim 2, characterized in that: The same limiting rod is fixedly connected to the inner walls on both sides of the limiting groove (24), and the limiting plate (25) is slidably sleeved on the outer side of the limiting rod.

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