CN219056492U

CN219056492U - High-rigidity impact-resistant electric vehicle frame light structure

Info

Publication number: CN219056492U
Application number: CN202223425712.7U
Authority: CN
Inventors: 汪灵桂
Original assignee: Taizhou Huangyan Kaida Frame Parts Co ltd
Current assignee: Taizhou Huangyan Kaida Frame Parts Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-23
Anticipated expiration: 2032-12-20

Abstract

The utility model provides a high-rigidity impact-resistant electric vehicle frame light-weight structure which comprises a frame main body, wherein the frame main body consists of a bottom frame, a front supporting frame, supporting rods, a rear supporting frame and a tail frame, the front supporting frame is welded at the front part of the bottom frame, a plurality of supporting rods are welded at the middle part of the bottom frame at equal intervals, the rear supporting frame is welded at the rear part of the bottom frame, the tail frame is welded at one side of the top of the bottom frame, a reinforcing plate is fixedly welded at the middle part of the tail frame, and the front supporting frame consists of an aluminum alloy pipe, a steel pipe and a plurality of blocks. According to the utility model, the structure of the front support frame is improved, the front support frame is formed by matching the aluminum alloy pipe and the steel pipe under the condition of unchanged original size, the weight of the frame is effectively reduced, and meanwhile, the impact resistance of the frame of the electric vehicle is improved by matching the aluminum alloy pipe.

Description

High-rigidity impact-resistant electric vehicle frame light structure

Technical Field

The utility model belongs to the technical field of motor car frames, and relates to a high-rigidity impact-resistant electric car frame lightweight structure.

Background

The electric vehicle frame is of an electric vehicle main body structure, the traditional electric vehicle frame is mainly formed by welding between a stainless steel pipe and a reinforcing plate, and the electric vehicle frame is heavier along with the use of the stainless steel pipe and the welding of the reinforcing plate.

According to patent number "CN206125166U" discloses a four-wheel electric vehicle frame lightweight structure, relates to four-wheel electric vehicle, includes the frame girder, and frame girder both ends are equipped with front suspension, rear suspension respectively, the frame girder is square hollow aluminum alloy section bar, frame girder inner chamber is equipped with the bearing support, the bearing support is X type. The front suspension is a four-bar independent suspension, the rear suspension is also a four-bar independent suspension, and a plurality of cross beams are arranged between the frame main beams. The utility model solves the problem of heavy vehicle body of the common four-wheel electric vehicle, can lighten the weight of the vehicle body, and correspondingly reduces the required power, thereby saving energy, reducing the use cost, being environment-friendly and corrosion-resistant, and having stable vehicle body structure, good shockproof performance, stable riding effect and long service life of the vehicle.

The light-weight structure of the electric vehicle frame mainly reduces the weight of the vehicle through the use and suspension improvement of the hollow aluminum alloy section bar, thereby reducing the weight of the vehicle body, but the structure performance of the electric vehicle frame is affected by the weakening of the structural strength of the vehicle body caused by the fact that the traditional steel is replaced by the aluminum section bar.

Disclosure of Invention

The utility model aims to provide a high-rigidity impact-resistant electric vehicle frame lightweight structure so as to solve the problems in the background technology.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a high rigidity shock-resistant electric motor car frame lightweight structure, includes the frame main part, the frame main part comprises chassis, preceding support frame, bracing piece, back support frame and tailstock, the front portion welding of chassis has preceding support frame, the middle part equidistance welding of chassis has many spinal branch vaulting poles, the rear portion welding of chassis has back support frame, one side welding at chassis top has the tailstock, the fixed welding in middle part of tailstock has the gusset plate, preceding support frame comprises aluminum alloy steel pipe, steel pipe and a plurality of piece, the inside cover of aluminum alloy pipe is established and is connected with the steel pipe, the outer wall equidistance of steel pipe is fixed and is equipped with a plurality of pieces, a plurality of grooves have been seted up to the internal diameter equidistance of aluminum alloy pipe, a plurality of the piece is inlayed with corresponding groove and is established and be connected, the gusset plate comprises two nonrust steel sheets, many equal fixed pipes of equidistance between the nonrust steel sheet, many the fixed pipe's surface equidistance has been seted up a plurality of jack, a plurality of the inside of jack is all alternate and is connected with and wears the pole.

In the high-rigidity impact-resistant electric vehicle frame lightweight structure, pins are connected between the penetrating rod and the fixing pipe in a penetrating mode, plugs are fixedly arranged at two ends of the penetrating rod, and fixing bolts are connected between the plugs and the fixing pipe in a threaded mode.

In the high-rigidity impact-resistant electric vehicle frame lightweight structure, the inner diameter of the insertion hole is the same as the size of the end of the through rod.

In the high-rigidity impact-resistant electric vehicle frame lightweight structure, the surface of the frame main body is coated with the uniformly distributed anti-corrosion paint.

In the high-rigidity impact-resistant electric vehicle frame lightweight structure, the two ends of the rear supporting frame are welded with the fixing plates, and the surfaces of the fixing plates are provided with the mounting holes.

In the high-rigidity impact-resistant electric vehicle frame lightweight structure, the underframe and the rear supporting frame are both stainless steel pipes.

Compared with the prior art, the high-rigidity impact-resistant electric vehicle frame light structure has the advantages that:

1. through improving the structure of preceding support frame, under the unchangeable circumstances of original size, form preceding support frame through the cooperation of aluminum alloy tube and steel pipe, effectually reduced the weight of frame, through the cooperation of aluminum alloy tube simultaneously, improved the impact resistance of electric motor car frame.

2. The reinforcing plate of the frame main body is made of the fixed pipe, the penetrating rod and the stainless steel sheet, and replaces the traditional steel sheet under the condition of not changing the structural strength, so that the weight of the electric vehicle frame is further reduced, and the weight of the electric vehicle is improved.

Drawings

Fig. 1 is a schematic perspective view of a lightweight structure of a high-rigidity impact-resistant electric vehicle frame of the present utility model.

Fig. 2 is a schematic diagram of a cross-sectional structure of a front support frame of the high-rigidity impact-resistant electric vehicle frame lightweight structure of the utility model.

Fig. 3 is a schematic cross-sectional view of a reinforcing plate of the lightweight structure of the high-rigidity impact-resistant electric vehicle frame of the utility model.

Fig. 4 is a schematic view of the internal structure of the reinforcement plate of the high-rigidity impact-resistant electric vehicle frame lightweight structure.

In the figure, 1, a frame main body; 2. a chassis; 3. a front support; 4. a support rod; 5. a rear support; 6. a tailstock; 7. a reinforcing plate; 8. an aluminum alloy tube; 9. a profile groove; 10. a profile block; 11. a steel pipe; 12. stainless steel sheet; 13. a fixed tube; 14. penetrating the rod; 15. a plug; 16. a jack; 17. a fixing bolt; 18. and (5) a pin.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the high-rigidity impact-resistant electric vehicle frame lightweight structure comprises a frame main body 1, wherein the frame main body 1 is composed of a bottom frame 2, a front supporting frame 3, supporting rods 4, a rear supporting frame 5 and a tail frame 6, the front supporting frame 3 is welded at the front part of the bottom frame 2, a plurality of supporting rods 4 are welded at the middle part of the bottom frame 2 at equal intervals, the rear supporting frame 5 is welded at the rear part of the bottom frame 2, the tail frame 6 is welded at one side of the top of the bottom frame 2, a reinforcing plate 7 is fixedly welded at the middle part of the tail frame 6, the front supporting frame 3 is composed of an aluminum alloy pipe 8, a steel pipe 11 and a plurality of profile blocks 10, the steel pipe 11 is sleeved and connected with the inner wall of the aluminum alloy pipe 8 at equal intervals, a plurality of profile grooves 9 are formed in the inner diameter of the aluminum alloy pipe 8 at equal intervals, the plurality of profile blocks 10 are embedded and connected with the corresponding profile grooves 9, the reinforcing plate 7 is composed of two stainless steel plates 12, a plurality of fixing pipes 13 and a plurality of steel plates 14 are fixedly arranged between the two stainless steel plates 12, a plurality of fixing pipes 13 are fixedly arranged at the same, a plurality of insertion holes 16 are formed in the inner surfaces of the fixing pipes 16 at equal intervals, and a plurality of insertion holes 16 are uniformly penetrates through the inner surfaces of the fixing pipes 16.

The frame main body 1 is improved in structure of the front support frame 3 and the reinforcing plate 7, and under the condition that the structural strength is not changed, the weight of the frame main body 1 is reduced through the cooperation of the aluminum alloy pipe and the steel pipe, so that the weight of the electric vehicle frame is reduced.

As shown in fig. 1, 2, 3 and 4, in the light frame structure of the high-rigidity impact-resistant electric vehicle, pins 18 are connected between the penetrating rod 14 and the fixed pipe 13 in a penetrating manner, plugs 15 are fixedly arranged at two ends of the penetrating rod 14, fixing bolts 17 are connected between the plugs 15 and the fixed pipe 13 in a threaded manner, and the plugs 15 are conveniently fixed through the threaded connection of the fixing bolts 17 and the fixed pipe 13.

The inside diameter of the insertion hole 16 is the same as the size of the end of the penetrating rod 14, so that the penetrating rod 14 can be inserted into the insertion hole 16, and the gap at the insertion position is reduced.

The surface of the frame main body 1 is coated with the uniformly distributed anti-corrosion paint, and the anti-corrosion performance of the frame main body 1 is improved through the coated anti-corrosion paint.

Fixing plates are welded at two ends of the rear supporting frame 5, mounting holes are formed in the surfaces of the fixing plates, and the electric vehicle rear wheel is convenient to mount through the fixing plates.

The underframe 2 and the rear supporting frame 5 are both stainless steel pipes, so that the structural strength of the frame main body 1 is ensured.

The concrete implementation, when using this electric motor car frame lightweight structure, through the institutional advancement to preceding support frame 3, through the cooperation of aluminum alloy and steel pipe, reduce original steel pipe 11 size, steel pipe 11 outer wall welding type piece 10 of shrinking, then establish the steel pipe 11 and the aluminum alloy pipe 8 cover that have welded type piece 10, and inlay through type piece 10 and type groove 9, assemble preceding support frame 3 shape and size, compare in traditional preceding support frame 3, through the interpolation of aluminum alloy pipe 8, under the condition that does not change structural strength, the weight of frame main part 1 has been reduced, the application is improved to reinforcing plate 7 simultaneously, the network management form of constituteing through fixed pipe 13 and through pole 14, and assemble reinforcing plate 7 at two welding stainless steel sheet 12, replace traditional direct welded steel sheet, the effectual weight that reduces frame main part 1.

What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a high rigidity shock-resistant electric motor car frame lightweight structure, includes frame main part (1), its characterized in that, frame main part (1) comprises chassis (2), preceding support frame (3), bracing piece (4), back support frame (5) and tailstock (6), the front portion welding of chassis (2) has preceding support frame (3), the middle part equidistance welding of chassis (2) has many bracing pieces (4), the rear portion welding of chassis (2) has back support frame (5), one side welding at chassis (2) top has tailstock (6), the fixed welding in middle part of tailstock (6) has reinforcing plate (7), preceding support frame (3) comprises aluminum alloy pipe (8), steel pipe (11) and a plurality of type piece (10), the inside cover of aluminum alloy pipe (8) is established and is connected with steel pipe (11), the fixed a plurality of type pieces (10) that are equipped with in outer wall equidistance of steel pipe (11), a plurality of type grooves (9) have been seted up to the internal diameter equidistance of aluminum alloy pipe (8), a plurality of steel sheet (13) are inlayed with corresponding type piece (9), two steel sheet (13) are equipped with between two fixed steel sheet (13) and two fixed steel sheet (13), a plurality of jacks (16) are formed in the surface of the fixed pipes (13) at equal intervals, and penetrating rods (14) are connected inside the jacks (16) in a penetrating mode.

2. The high-rigidity impact-resistant electric vehicle frame lightweight structure according to claim 1, characterized in that pins (18) are connected between the penetrating rod (14) and the fixed pipe (13) in a penetrating manner, plugs (15) are fixedly arranged at two ends of the penetrating rod (14), and fixing bolts (17) are connected between the plugs (15) and the fixed pipe (13) in a threaded manner.

3. The high rigidity impact-resistant electric vehicle frame lightweight structure as claimed in claim 1, wherein the inner diameter of the insertion hole (16) is the same as the size at the end of the penetration rod (14).

4. The high-rigidity impact-resistant electric vehicle frame lightweight structure according to claim 1, characterized in that the surface of the frame body (1) is coated with an evenly distributed anti-corrosive paint.

5. The high-rigidity impact-resistant electric vehicle frame lightweight structure according to claim 1, wherein both ends of the rear supporting frame (5) are welded with fixing pieces, and mounting holes are formed in the surfaces of the fixing pieces.

6. The high-rigidity impact-resistant electric vehicle frame lightweight structure according to claim 1, characterized in that the underframe (2) and the rear support frame (5) are both stainless steel pipes.