Air guide structure for vehicle bottom

Abstract

The utility model relates to the technical field of vehicles, in particular to an air flow guide structure for the bottom of a vehicle. The vehicle body comprises a vehicle body bottom plate, a battery pack arranged in the vehicle body bottom plate, and an air guide structure arranged in the vehicle body bottom plate and tangent to the tail part of the battery pack, the air guide structure comprises a hinge arranged on the lower end face of the tail of the battery pack, an air guide structure body installed in cooperation with the hinge, and an adjusting component arranged on the lower surface of the vehicle body bottom plate and connected with the air guide structure body. The utility model has the beneficial effects that the adjusting component is arranged in the extrusion module, an adjustable structure is arranged, the position of the profiling module is adjusted, accurate adjustment can be realized, and the PP framework can be opened and tightened, so that the problems that the opening of the framework is difficult to adjust and the adjustment scrap rate is large are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle technical field especially, it is an air flow guide structure for vehicle bottom. BACKGROUND

[0002] In the vehicle field, when the vehicle is running at high speed, a large amount of airflow will pass through the lower part of the vehicle body, when the airflow impacts the protruding parts at the bottom of the vehicle, airflow vortex will be formed, which increases the wind resistance of the vehicle. A suitable air flow guide structure at the bottom of the vehicle can effectively guide the airflow at the bottom of the vehicle to flow smoothly from the bottom of the vehicle to the rear, thereby reducing the wind resistance of the vehicle.

[0003] In the prior art, CN202411191164.7 vehicle with air guide device and air guide device, it can only guide air when the direction, for pure electric rear drive axle vehicle, due to the low floor, the rear drive axle is sunken, the rear drive axle structure is low in the position of the vehicle bottom, when the vehicle is running, the airflow from the front of the vehicle bottom impacts the rear drive axle structure, part of the airflow at the bottom is guided to the rear floor of the vehicle, and a large vortex is formed in the area, which is not conducive to the flow of the airflow at the bottom of the vehicle, resulting in that when the vehicle is running at high speed, the airflow impact force on the rear drive axle and the floor of the vehicle is large, which increases the wind resistance of the vehicle when running at high speed, and there is a problem that it is not conducive to achieving the target range of the whole vehicle.

[0004] Therefore, it is necessary to design an air flow guide structure for the bottom of the vehicle to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an air flow guide structure for the bottom of the vehicle to overcome the above-mentioned deficiencies existing in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] An air flow guide structure for the bottom of the vehicle, comprising a vehicle body floor, a battery pack arranged in the vehicle body floor, an air flow guide structure arranged at the tail of the battery pack in the vehicle body floor, characterized in that: the air flow guide structure comprises a hinge arranged at the lower end surface of the tail of the battery pack, an air flow guide structure body matched with the hinge, an adjusting component arranged on the lower surface of the vehicle body floor and connected with the air flow guide structure body, the adjusting component comprising a motor arranged on the lower surface of the vehicle body floor, a connecting rod driven by the motor, and a flow guide structure body mounting bracket connected with the connecting rod at one end and connected with the air flow guide structure body at the other end.

[0008] Preferably, the flow guide structure body mounting bracket is connected with the upper surface of the air flow guide structure body.

[0009] Preferably, the rear side of the battery pack is further provided with a rear drive axle, a rear bumper is arranged at the rear end of the vehicle bottom plate, the rear drive axle is arranged in front of the rear bumper, and the air flow guide structure is arranged between the rear drive axle and the battery pack.

[0010] The air flow guide structure of the utility model has the advantages that the air flow guide structure is arranged at the tail of the battery pack and in front of the rear drive axle of the vehicle bottom, the rotation shaft of the motor can be controlled through the control component, the air flow guide structure is in the retracted state through the connecting rod, and the passing performance on the slope is not affected; when the vehicle is running at high speed on the highway, the rotation shaft of the motor can be controlled through the control component, the rear end of the air flow guide structure is lowered to the level of the bottom surface of the rear drive axle through the connecting rod, the air flow guide structure is in the opened state, the airflow is not directly impacted on the rear drive axle and the vehicle bottom plate, the vortex in the rear region of the vehicle is reduced, the wind resistance of the vehicle is reduced, the cruising range of the vehicle is improved, and the energy consumption of the whole vehicle is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a structural schematic view of the air flow guide structure for the vehicle bottom of the utility model;

[0012] Fig. 2 It is a top view of the air flow guide structure for the vehicle bottom of the utility model;

[0013] Fig. 3 It is a state schematic view of the air flow guide structure for the vehicle bottom of the utility model in the low-speed slope running state;

[0014] Fig. 4 It is a state schematic view of the air flow guide structure for the vehicle bottom of the utility model in the high-speed running state;

[0015] In the drawing: 1, air flow guide structure body; 2, hinge; 3, battery pack; 4, adjusting component; 5, vehicle bottom plate; 6, motor; 7, connecting rod; 8, air flow guide structure body mounting bracket; 9, shaft pin; 10, rear drive axle; 11, rear bumper. DETAILED DESCRIPTION

[0016] Refer to Figs. 1 to 4 An air flow guide structure for the vehicle bottom, which comprises a vehicle bottom plate 5, a battery pack 2 arranged in the vehicle bottom plate, and an air flow guide structure arranged at the tail of the battery pack in the vehicle bottom plate;

[0017] The air flow guide structure comprises a hinge 2 arranged at the lower end face of the tail of the battery pack, an air flow guide structure body 1 mounted in cooperation with the hinge, and an adjusting component 4 arranged on the lower surface of the vehicle bottom plate 5 and connected with the air flow guide structure body 1.

[0018] The adjusting component 4 comprises a motor 6 installed below the vehicle body floor 5, a connecting rod 7 driven by the motor, and an air guide structure body mounting bracket 8 connected with the connecting rod 7 at one end and connected with the air guide structure body 1 at the other end;

[0019] The air guide structure body mounting bracket 8 is connected with the upper surface of the air guide structure body 1;

[0020] Specifically, the connecting rod is driven to rotate by the motor 6, and since the air guide structure body mounting bracket 8 is connected with the air guide structure body 1 and the connecting rod 7 respectively, the connecting rod drives the air guide structure body mounting bracket 8 to move when the connecting rod is driven to rotate, the air guide structure body mounting bracket 8 drives the air guide structure body 1 to move, the angle is turned over, and the adjustment is realized.

[0021] The air guide structure body can be a plate surface, an arc structure, etc., and is replaced according to the need, and different air guide structure bodies are designed to realize different air guide effects.

[0022] The rear side of the battery pack is further provided with a rear drive axle 10, the rear end of the vehicle body floor is provided with a rear bumper 11, the rear drive axle is arranged in front of the rear bumper 11, and the air guide structure is arranged between the rear drive axle and the battery pack 3.

[0023] When the vehicle drives on a low-speed and slope road surface, the control component controls the rotating shaft of the motor, the rear end of the air guide structure is lifted to be flush with the battery pack through the connecting rod, and the air guide structure at the bottom of the vehicle is arranged in a closed state; when the vehicle drives at a high speed, the control component controls the rotating shaft of the motor, the rear end of the air guide structure is lowered to be flush with the bottom surface of the rear drive axle through the connecting rod, and the air guide structure at the bottom of the vehicle is arranged in an open state. When the vehicle drives at a high speed on a high-speed road surface, the control component controls the rotating shaft of the motor, the rear end of the air guide structure is lowered to be flush with the bottom surface of the rear drive axle through the connecting rod, and the air guide structure is in an open state, so that the air flow is not directly impacted on the rear drive axle and the vehicle body floor, the vortex in the rear region of the vehicle is reduced, the wind resistance of the vehicle is reduced, the cruising range of the vehicle is improved, and the energy consumption of the vehicle is reduced.

[0024] The utility model discloses the beneficial aspect, the technical scheme is set up air flow guide structure at the rear of the bottom battery pack of vehicle, and the rotation axis of motor can be controlled through control part, through connecting rod, air flow guide structure is in the state of retraction, does not influence the passability on the slope, when high -speed travels on the high -speed surface, the rotation axis of motor can be controlled through control part, through connecting rod, air flow guide structure rear end moves down to the state of with rear drive axle bottom plane flush, air flow guide structure is in the open state, can guide airflow not direct impact rear drive axle and vehicle body bottom plate, reduce the vortex of vehicle rear area, reduce the vehicle wind resistance, improve the vehicle's range, reduce the total car energy consumption.

[0025] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. An air guide structure for a vehicle underbody, comprising a vehicle body floor, a battery pack disposed within the vehicle body floor, an air guide structure disposed within the vehicle body floor and disposed at a trailing end of the battery pack, characterized by: The air guide structure comprises a hinge arranged at the lower end surface of the tail of the battery pack, an air guide structure body fitted with the hinge, and an adjusting component arranged at the lower surface of the vehicle body floor and connected with the air guide structure body, wherein the adjusting component comprises a motor arranged at the lower surface of the vehicle body floor, a connecting rod driven by the motor, and a guide structure body mounting bracket connected with the connecting rod at one end and connected with the air guide structure body at the other end.

2. The air flow guide structure for the bottom of a vehicle according to claim 1, characterized by: The guide structure body mounting bracket is connected with the upper surface of the air guide structure body.

3. The air flow guide structure for the bottom of a vehicle according to claim 1, characterized by: The rear side of the battery pack is further provided with a rear drive axle, and the rear end of the vehicle body floor is provided with a rear bumper, wherein the rear drive axle is arranged in front of the rear bumper, and the air guide structure is arranged between the rear drive axle and the battery pack.

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