CN219601449U

CN219601449U - Structure for reducing wind resistance coefficient of electric automobile

Info

Publication number: CN219601449U
Application number: CN202320581110.6U
Authority: CN
Inventors: 饶超平
Original assignee: Wuhan Qingchuan University
Current assignee: Wuhan Qingchuan University
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-08-29
Anticipated expiration: 2033-03-23

Abstract

The utility model discloses a structure for reducing the wind resistance coefficient of an electric automobile, which belongs to the technical field of reducing the wind resistance coefficient of the electric automobile and comprises an automobile tail wing plate, wherein an installation rod is rotatably installed at the center of two ends of the bottom of the automobile tail wing plate, a hydraulic electric push rod is rotatably installed at the center of the front side of the installation rod, the top end of the hydraulic electric push rod is rotatably connected with the front side of the bottom of the automobile tail wing plate, two sides of the automobile tail wing plate are in a raising shape, and at least two groups of equidistant guide grooves are arranged at the top of the automobile tail wing plate; according to the technical scheme, by the aid of the hydraulic electric push rod, in the running process of the vehicle, personnel can control the hydraulic electric push rod to stretch out and draw back according to the speed of the vehicle, so that the inclination angle of the tail wing plate of the vehicle can be adjusted, the ground grabbing force in the running process of the vehicle is ensured, and the using effect of the device is improved.

Description

Structure for reducing wind resistance coefficient of electric automobile

Technical Field

The utility model relates to the technical field of wind resistance coefficient reduction of electric automobiles, in particular to a structure for reducing wind resistance coefficient of electric automobiles.

Background

In the running process of the electric automobile, the phenomenon that the automobile flies is easily caused due to the influence of wind resistance, so that safety accidents are easy to happen, in order to reduce wind resistance and ensure the high-speed running grabbing force of the automobile, a structure for reducing the wind resistance coefficient is required to be arranged on the automobile, the traditional structure for reducing the wind resistance coefficient is an automobile tail, wherein the automobile tail and the automobile disclosed by application number 201821432548.3 are designed simply, only a small low-pressure area can be generated at the tail part of the automobile, so that the automobile cannot obtain good downward force in the tail part area, namely the grabbing limit of automobile tires cannot be well improved, various defects of poor steering performance of the automobile when the automobile is overturned are overcome, and the automobile tail disclosed by application number 201821038998.4 is found through further searching, through specific technical structure setting, the automobile tail molding process is practically solved, and 2 kinds of blow molding and injection molding processes are realized in the prior art; the blow-molded automobile tail wing adopts ABS material for one-time blow molding, the molding speed is low, the amount of leftover materials is more, and is usually 1 time or more than the weight of a part, so that the material utilization rate is low, meanwhile, the surface of the part is easy to generate defects such as concave-convex points, folds and the like, the surface is required to be subjected to ash supplementing and polishing, the subsequent processing amount is large, and the production efficiency is low; the automobile tail wing of injection moulding adopts the production process of injection moulding welding method, and the inside and outside two-layer board of injection moulding earlier then welds inside and outside two-layer board together, and overall efficiency reduces, and needs welding mould cooperation, therefore the cost is higher, and inside and outside two-layer board weight is heavier simultaneously, technical drawbacks such as material waste, but the electric automobile of similar structure reduces the structure of windage coefficient and still has a great deal of defect when in actual use, like: the electric automobile reduces its top of wind resistance coefficient and generally all is level, can't guide the air, consequently in the vehicle driving, the unable stable circulation when the air current passes through the fin, causes the air current to both sides dispersion phenomenon very easily, because can produce certain influence to the vehicle equilibrium to lead to the performance of device to reduce, simultaneously, electric automobile reduces wind resistance coefficient's structure and generally all is fixed mounting, can't freely adjust the inclination of fin according to the use needs, thereby influences the performance of device. In view of this, we propose a structure for reducing the wind resistance coefficient for an electric car.

Disclosure of Invention

1. Technical problem to be solved

The present utility model is directed to a structure for reducing wind resistance coefficient of an electric vehicle, so as to solve the above-mentioned problems in the prior art.

2. Technical proposal

The structure for reducing the wind resistance coefficient of the electric automobile comprises an automobile tail wing plate, wherein an installation rod is rotatably installed at the center of two ends of the bottom of the automobile tail wing plate, a hydraulic electric push rod is rotatably installed at the center of the front side of the installation rod, and the top end of the hydraulic electric push rod is rotatably connected with the front side of the bottom of the automobile tail wing plate;

the both sides of car tail pterygoid lamina are the perk form, and the top of car tail pterygoid lamina is equipped with the guiding gutter of at least two sets of equidistance.

As an alternative scheme of the technical scheme of the utility model, the top of the mounting rod and the two ends of the hydraulic electric push rod are respectively provided with a rotating structure, the top of the mounting rod is connected with the bottom of the automobile tail wing plate through the rotating structure, the bottom of the hydraulic electric push rod is connected with the mounting rod through the rotating structure, and the top of the hydraulic electric push rod is connected with the bottom of the automobile tail wing plate through the rotating structure.

As an alternative of the technical scheme of the utility model, the rotating structure comprises a concave frame and a rotating shaft, and the rotating shaft is rotatably arranged in the concave frame through a bearing.

As an alternative scheme of the technical scheme of the utility model, the top of the rotating shaft is welded with the mounting seat, and the mounting seat is T-shaped.

As an alternative scheme of the technical scheme of the utility model, the bottom end of the mounting rod is welded with a base, and at least two groups of equidistant mounting bolts are arranged on the periphery of the base.

As an alternative scheme of the technical scheme of the utility model, at least two groups of equidistant reinforcing blocks are welded at the bottom of one circle of the mounting rod, the reinforcing blocks are triangular, and the bottom of the reinforcing blocks is welded and fixed with the top of the base.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. according to the technical scheme, the two sides of the automobile tail wing plate are tilted upwards, air flow can stably pass through the space between the two sides of the automobile tail wing plate, the top of the automobile tail wing plate is provided with the diversion trench, the air flow can stably pass through the diversion trench, a stable diversion effect can be achieved under the cooperation of the two diversion trenches, and the balance of the automobile in the running process is ensured.

2. According to the technical scheme, by the aid of the hydraulic electric push rod, in the running process of the vehicle, personnel can control the hydraulic electric push rod to stretch out and draw back according to the speed of the vehicle, so that the inclination angle of the tail wing plate of the vehicle can be adjusted, the ground grabbing force in the running process of the vehicle is ensured, and the using effect of the device is improved.

Drawings

Fig. 1 is a front view of a structure for reducing a wind resistance coefficient of an electric vehicle disclosed in an embodiment of the present utility model;

FIG. 2 is a side view of a structure for reducing the wind resistance coefficient of an electric vehicle disclosed in an embodiment of the present utility model;

FIG. 3 is a front view of an automobile tail vane in the structure for reducing the windage coefficient of an electric automobile disclosed in the embodiment of the utility model;

fig. 4 is a structural diagram of a rotating structure in a structure for reducing wind resistance coefficient of an electric vehicle according to an embodiment of the present utility model.

The reference numerals in the figures illustrate: 1. automobile tail wing plate; 101. a diversion trench; 2. a mounting rod; 201. a base; 202. installing a bolt; 203. a reinforcing block; 3. a hydraulic electric push rod; 4. a rotating structure; 401. a concave frame; 402. a rotating shaft; 403. and (5) a mounting seat.

Detailed Description

The utility model provides a technical scheme that:

as shown in fig. 1, 2 and 4, the structure for reducing the windage coefficient of the electric automobile comprises an automobile tail wing plate 1, wherein the automobile tail wing plate 1 is generally obliquely arranged, the automobile tail wing plate 1 plays a role in reducing windage, provides downward pressure for the automobile, can enable the automobile to firmly grasp the ground to ensure the running stability of the automobile, a mounting rod 2 is rotatably arranged at the center of two ends of the bottom of the automobile tail wing plate 1, the automobile tail wing plate 1 is arranged with the automobile through the mounting rod 2, a base 201 is welded at the bottom end of the mounting rod 2, at least two groups of equidistant mounting bolts 202 are arranged on one circle of the base 201, the base 201 at the bottom of the mounting rod 2 is contacted with the automobile body, then the mounting bolts 202 are used for fixing, at least two groups of equidistant reinforcing blocks 203 are welded at the bottom of the circle of the mounting rod 2, the reinforcing blocks 203 are triangular, the bottom of the reinforcing blocks 203 are welded and fixed with the top of the base 201, the reinforcing block 203 is used for improving the connection firmness between the mounting rod 2 and the base 201, the hydraulic electric push rod 3 is rotatably mounted at the center of the front side of the mounting rod 2, the top end of the hydraulic electric push rod 3 is rotatably connected with the front side of the bottom of the automobile tail wing plate 1, the rotating structure 4 is arranged at the top end of the mounting rod 2 and the two ends of the hydraulic electric push rod 3, the top end of the mounting rod 2 is connected with the bottom of the automobile tail wing plate 1 through the rotating structure 4, the bottom end of the hydraulic electric push rod 3 is connected with the bottom of the automobile tail wing plate 1 through the rotating structure 4, the rotating connection of the top end of the mounting rod 2 and the bottom of the automobile tail wing plate 1 is realized under the action of the rotating structure 4, the bottom end of the hydraulic electric push rod 3 is rotatably connected with the mounting rod 2, the top end of the hydraulic electric push rod 3 is rotatably connected with the bottom of the automobile tail wing plate 1, the rotating structure 4 comprises a concave frame 401 and a rotating shaft 402, the rotating shaft 402 is rotatably arranged in the concave frame 401 through a bearing, a mounting seat 403 is welded at the top of the rotating shaft 402, the mounting seat 403 is T-shaped, and the mounting seat 403 is convenient to be connected and fixed with an external structure;

in this embodiment, firstly, the base 201 at the bottom of the mounting rod 2 contacts with the vehicle body, and then is fixed by the mounting bolt 202, so that the automobile tail wing plate 1 is mounted on the vehicle, the automobile tail wing plate 1 has the effects of reducing wind resistance, providing a downward force for the vehicle, firmly grabbing the ground to ensure the running stability of the vehicle, controlling the hydraulic electric push rod 3 to drive the automobile tail wing plate 1 to rotate by personnel in the running process of the vehicle, adjusting the inclination angle of the automobile tail wing plate 1, ensuring the grabbing force in the running process of the vehicle, and improving the using effect of the device

As shown in fig. 1, 2 and 3, two sides of the automobile tail wing plate 1 are in a tilting shape, so that a stable flow guiding effect is achieved, at least two groups of equidistant flow guiding grooves 101 are arranged at the top of the automobile tail wing plate 1, and the flow guiding grooves 101 have a flow guiding effect;

in this embodiment, the automobile tail wing plate 1 both sides upwarp, and the air current can be stable from passing between the two sides perk of automobile tail wing plate 1, and the air current can be from the stable passing of guiding gutter 101 at automobile tail wing plate 1 top moreover, can play stable water conservancy diversion effect under both cooperations, guarantees the equilibrium of automobile in-process of traveling.

Claims

1. A structure for electric automobile reduces windage coefficient, including car tail vane (1), its characterized in that: the center of the two ends of the bottom of the automobile tail wing plate (1) is rotatably provided with a mounting rod (2), the center of the front side of the mounting rod (2) is rotatably provided with a hydraulic electric push rod (3), and the top end of the hydraulic electric push rod (3) is rotatably connected with the front side of the bottom of the automobile tail wing plate (1);

the two sides of the automobile tail wing plate (1) are in a tilting shape, and at least two groups of equidistant diversion trenches (101) are arranged at the top of the automobile tail wing plate (1).

2. The structure for reducing the windage coefficient of an electric vehicle according to claim 1, wherein: the hydraulic electric push rod is characterized in that rotating structures (4) are arranged at the top of the mounting rod (2) and at the two ends of the hydraulic electric push rod (3), the top end of the mounting rod (2) is connected with the bottom of the automobile tail wing plate (1) through the rotating structures (4), the bottom end of the hydraulic electric push rod (3) is connected with the mounting rod (2) through the rotating structures (4), and the top end of the hydraulic electric push rod (3) is connected with the bottom of the automobile tail wing plate (1) through the rotating structures (4).

3. The structure for reducing the windage coefficient of an electric vehicle according to claim 2, wherein: the rotating structure (4) comprises a concave frame (401) and a rotating shaft (402), and the rotating shaft (402) is rotatably arranged in the concave frame (401) through a bearing.

4. The structure for reducing the windage coefficient of an electric vehicle according to claim 3, wherein: the top of the rotating shaft (402) is welded with a mounting seat (403), and the mounting seat (403) is T-shaped.

5. The structure for reducing the windage coefficient of an electric vehicle according to claim 1, wherein: the bottom of the mounting rod (2) is welded with a base (201), and at least two groups of equidistant mounting bolts (202) are mounted on the periphery of the base (201).

6. The structure for reducing the windage coefficient of an electric vehicle according to claim 5, wherein: the bottom of installation pole (2) a week has welded the reinforcement piece (203) of at least two sets of equidistance, and reinforcement piece (203) are triangle, and the bottom of reinforcement piece (203) and the top welded fastening of base (201).