CN204527349U - Pure electric vehicle front wall cross sill - Google Patents

Abstract

The utility model relates to a lower beam of the front wall of a pure electric vehicle, comprising a beam body, the beam body is an integral structure extruded from an aluminum profile, at least one reinforcement plate is arranged in the beam body, and the reinforcement plate is connected with the inner surface of the beam body. A flow channel closed all around is formed, and a connecting plate is fixed on the beam body. The beam body of the utility model is an integral structure extruded from aluminum profiles, which simplifies the manufacturing process, requires less molds, is low in cost, simple in structure, reasonable in design, convenient in manufacture, easy to realize modular mass production, and greatly reduces the The weight of the beam body; and the beam body is provided with a reinforcing plate, which improves the strength of the beam body, and the reinforcing plate and the surface of the beam body form a closed flow channel (cavity) around, which can effectively buffer and absorb energy and reduce the impact on the driver. occupants and occupants, improving safety and anti-collision performance.

Description

Pure electric vehicle front wall lower beam

technical field

The utility model relates to a front wall lower beam of a pure electric vehicle, which belongs to the technical field of pure electric vehicle components.

Background technique

A pure electric vehicle refers to a vehicle that is powered by a vehicle-mounted power supply, drives the wheels with a motor, and meets the requirements of road traffic and safety regulations. Due to its smaller impact on the environment than traditional cars, its prospects are widely optimistic. With the start and continuous development of the pure electric vehicle industry, the continuous progress of new technologies, and the increasing popularity of pure electric vehicles, the driving of pure electric vehicles People are paying more and more attention to safety, which puts forward higher requirements for the design of the body structure in the development stage of pure electric vehicles. At present, whether it is a car or a pure electric vehicle, the cowl lower beam is generally welded by the cowl lower beam and the reinforcement plate. The process is relatively complicated, and the welding of sheet metal parts is difficult.

Utility model content

The utility model aims at the deficiencies and defects of the prior art, and provides a front wall lower beam of a pure electric vehicle.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a pure electric vehicle cowl lower beam, including a beam body, the beam body is an integral structure extruded from aluminum profiles, and the beam body is equipped with at least A reinforcing plate, which forms a surrounding closed flow channel with the inner surface of the beam, and the connecting plate is fixed on the beam body. The connecting plate and the beam body are integrally structured.

The outer surface of the beam body is provided with protrusions, and the protrusions are integrated with the beam body.

The connecting plate includes a lower connecting plate for connecting with the front floor of the pure electric vehicle and an upper connecting plate for connecting with the dash panel of the pure electric vehicle; the lower connecting plate is vertically fixed on the bottom surface of the beam body, The upper connecting plate is vertically fixed on the top surface of the beam body.

A plurality of through holes are opened on the beam body.

The reinforcing plate is strip-shaped, and its length is equal to that of the beam body.

There are two reinforcing plates, and the two reinforcing plates are intersected. The two reinforcing plates form four independently arranged flow channels with the inner surface of the beam.

There are two reinforcing plates, the two reinforcing plates cross and are vertically arranged, and the two reinforcing plates form four independently arranged flow channels with the inner surface of the beam.

There are three reinforcing plates, the three reinforcing plates are arranged in parallel, and the three reinforcing plates form four independently arranged flow channels with the inner surface of the beam.

There are multiple reinforcing plates, and the multiple reinforcing plates and the inner surface of the beam form a plurality of independently arranged flow channels.

The beneficial effects of the utility model are:

1. The beam body of the lower beam of the front wall of the pure electric vehicle of the utility model is an integral structure extruded from aluminum profiles, which simplifies the manufacturing process, requires less molds, low cost, simple structure, reasonable design, convenient manufacture, and easy realization of modules. Maximize mass production, and greatly reduce the weight of the car body.

2. The beam body of the lower beam of the front wall of the pure electric vehicle of the utility model is provided with a reinforcing plate, which improves the strength of the beam body, and the reinforcing plate and the surface of the beam body form a surrounding closed flow channel (cavity), which can effectively buffer And absorb energy, reduce the damage to the driver and passengers, improve safety and anti-collision performance.

3. The beam body of the lower beam of the cowl of the pure electric vehicle of the utility model is provided with a protrusion, which is convenient for installing and welding parts connected with the lower beam of the cowl, and is easy to use.

4. A plurality of through holes for installing blind rivet nuts are provided on the beam body of the cowl lower beam of the pure electric vehicle of the utility model, and the electric parts related to the pure electric vehicle are installed through the bolts threadedly connected with the blind rivet nuts, which is convenient to use.

Description of the drawings

Fig. 1 is the schematic diagram of the three-dimensional structure of the lower beam of the cowl of the pure electric vehicle of the present invention;

Fig. 2 is a front structural schematic diagram of the lower beam of the front wall of the pure electric vehicle of the utility model;

Fig. 3 is a schematic diagram of the end face structure of the front wall lower beam of the pure electric vehicle of the present invention;

Fig. 4 is a top view structural diagram of the lower beam of the front wall of the pure electric vehicle of the utility model;

Fig. 5 is one of the structural representations of A-A in Fig. 2;

Fig. 6 is the second structural diagram of A-A in Fig. 2;

Fig. 7 is the third structural diagram of A-A in Fig. 2;

Fig. 8 is the fourth structural diagram of A-A in Fig. 2;

Fig. 9 is the fifth structural diagram of A-A in Fig. 2 .

The meanings represented by the symbols in the figure are: 1. runner, 2. reinforcing plate, 3. connecting plate, 4. blind rivet nut, 5. beam body, 6. protrusion.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:

Embodiment 1: Referring to Fig. 1 to Fig. 5 and Fig. 9, a lower crossbeam of the cowl of a pure electric vehicle includes a beam body 5, the beam body 5 is an integral structure extruded from an aluminum profile, and the inside of the beam body 5 At least one reinforcing plate 2 is provided, and the reinforcing plate 2 and the inner surface of the beam body 5 form a surrounding closed flow channel 1, and the connecting plate 3 is fixed on the beam body 5. The connecting plate 3 is integrated with the beam body.

The outer surface of the beam body 1 is provided with a protrusion 6, and the protrusion 6 is integrated with the beam body 1. In FIG. 5 , the protrusion 6 is provided on the front end surface of the beam body 5 , and in FIG. 9 , the protrusion 6 is provided on the upper end surface of the beam body 5 .

The beam body is provided with a plurality of through holes for installing blind rivet nuts, and the electric parts related to pure electric vehicles are installed through the bolts threaded with the blind rivet nuts 4, which is convenient to use.

The reinforcing plate 2 is strip-shaped, and its length is equal to that of the beam body 5 .

Embodiment 2: The figure is not drawn, the structure of embodiment 2 is similar to that of embodiment 1, the similarities will not be repeated, the difference is: the two reinforcement plates are two, and the two reinforcement plates are arranged crosswise, and the two reinforcement plates The inner surface of the plate and the beam forms four independently arranged flow channels.

Embodiment 3: Referring to Fig. 7, Embodiment 3 is similar in structure to Embodiment 1, and the similarities will not be repeated. The difference is that there are two reinforcement boards, and the two reinforcement boards are crossed and vertically arranged, and the two reinforcement boards The reinforcing plate and the inner surface of the beam body 5 form four independently arranged flow channels 1 .

Embodiment 4: Referring to Fig. 8, Embodiment 4 is similar in structure to Embodiment 1, and the similarities will not be repeated. The difference is that there are three reinforcing plates, and the three reinforcing plates 2 are arranged in parallel, and the three reinforcing plates The reinforcing plate 2 and the inner surface of the beam body 5 form four independently arranged flow channels 1 .

Embodiment 5: Referring to Figures 1, 3, 5 and 6, Embodiment 5 is similar in structure to Embodiment 1, and the similarities will not be repeated. The inner surface of the beam body 5 forms a plurality of independently arranged flow channels 1 .

Embodiment 6: Referring to Fig. 6, Embodiment 6 is similar in structure to Embodiment 1, and the similarities will not be repeated. The difference is: a lower beam of the front wall of a pure electric vehicle, including a beam body 5, and the beam body 5 is An integral structure extruded from aluminum profiles, the beam body 5 is provided with at least one reinforcing plate 2, and the reinforcing plate 2 and the inner surface of the beam body 5 form a surrounding closed flow channel 1, and the beam body 5 is fixed with a connection plate 3. The connecting plate 2 includes a lower connecting plate for connecting with the front floor of the pure electric vehicle and an upper connecting plate for connecting with the dash panel of the pure electric vehicle; the lower connecting plate is vertically fixed on the bottom surface of the beam body 5 , the upper connecting plate is vertically fixed on the top surface of the beam body 5 .

Claims (9)

1. a pure electric vehicle front wall cross sill, comprise beam body, it is characterized in that: described beam body is by the shaping integrative-structure of Extrusion Process of Aluminum Alloy Profile, is provided with at least one piece of brace panel in this beam body, this brace panel and beam body inside face form the runner of all round closure, and described beam body is fixed with connecting panel.

2. pure electric vehicle front wall cross sill according to claim 1, is characterized in that: described beam external surface is provided with projection.

3. pure electric vehicle front wall cross sill according to claim 1, is characterized in that: described connecting panel comprises the lower connecting plate for being connected with the front floor of pure electric vehicle and the upper junction plate for being connected with pure electric vehicle front panel; Described lower connecting plate is vertically fixed on beam body bottom surface, and described upper junction plate is vertically fixed on the end face of beam body.

4. pure electric vehicle front wall cross sill according to claim 1, is characterized in that: described beam body offers multiple through hole.

5. pure electric vehicle front wall cross sill according to claim 1, is characterized in that: described brace panel is strip, and its length is equal with the length of beam body.

6. pure electric vehicle front wall cross sill according to claim 1 or 5, is characterized in that: described brace panel is two pieces, and two brace panels are arranged in a crossed manner, and described two pieces of brace panels and beam body inside face form four independent runners arranged.

7. pure electric vehicle front wall cross sill according to claim 1 or 5, is characterized in that: described brace panel is two pieces, and two brace panels intersect and vertically to arrange, and described two pieces of brace panels and beam body inside face form four runners independently arranged.

8. pure electric vehicle front wall cross sill according to claim 1 or 5, it is characterized in that: described brace panel is three pieces, three pieces of brace panels be arranged in parallel, and described three pieces of brace panels and beam body inside face form four independent runners arranged.

9. pure electric vehicle front wall cross sill according to claim 1 or 5, is characterized in that: described brace panel is polylith, and polylith brace panel and beam body inside face form multiple independent runner arranged.