CN218929618U

CN218929618U - Guard plate structure and car

Info

Publication number: CN218929618U
Application number: CN202320083164.XU
Authority: CN
Inventors: 何灿; 蒋连轴; 李俊超; 宋亚东; 李天奇
Original assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Yizhen Automobile Research and Development Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Yizhen Automobile Research and Development Co Ltd
Priority date: 2023-01-28
Filing date: 2023-01-28
Publication date: 2023-04-28
Anticipated expiration: 2033-01-28

Abstract

The application provides a backplate structure and car, backplate structure include backplate main part and set up the water conservancy diversion structure in backplate main part, the water conservancy diversion structure include certainly backplate main part slope is upwards raised apron, fin and baffle, the baffle is connected the both sides of apron reaches the backplate main part, the apron reaches be formed with the guiding gutter between the baffle, the fin sets up on the apron and separates into a plurality of guiding air flue with the guiding gutter. When the air flow at the bottom of the vehicle flows through the diversion structure, the air flow can be discharged to the rear of the vehicle along the diversion air duct, so that the mutual influence among the air flows is reduced, the ordering of air flow lines is ensured, the tendency of turbulent flow formed when the air flow leaves the guard plate is eliminated, the wind resistance of the vehicle is reduced, and the endurance mileage is improved.

Description

Guard plate structure and car

Technical Field

The application relates to the field of vehicles, in particular to a guard plate structure and an automobile.

Background

With the rapid development of the automobile industry, the improvement of the life quality of customers has higher requirements on the all-round performance of the automobile, and the endurance mileage of the automobile is the important aspect of the customers. In the high-speed running process of a vehicle, wind resistance is a main factor affecting the endurance of the vehicle, and a vehicle bottom guard plate is used as a flow surface of air flow, so that how to optimize the bottom guard plate structure to reduce the wind resistance coefficient runs through the whole development process of the vehicle. In traditional motorcycle type, backplate profile design principle is as smooth as possible, does not have abrupt change structure, avoids influencing the streamline of wind, but this kind of structure is at the upper and lower fall of backplate profile than great down at the bottom of the car, and is limited to the contribution that reduces the windage, forms the air current turbulent flow easily, influences vehicle range.

Accordingly, there is a need for an improved shield structure that solves the above-mentioned problems.

Disclosure of Invention

The application provides a backplate structure and car that reduces windage, improves continuation of journey mileage.

The application provides a backplate structure, including backplate main part and the water conservancy diversion structure of setting in the backplate main part, the water conservancy diversion structure include certainly backplate main part slope is upwards raised apron, fin and baffle, the baffle is connected the both sides of apron reaches the backplate main part, the apron reaches be formed with the guiding gutter between the baffle, the fin sets up on the apron and separates into a plurality of water conservancy diversion wind channels with the guiding gutter.

Further, the cover plate and the diversion trench are arranged along the front-back direction of the guard plate main body, and the cover plate is gradually lifted from front to back.

Further, a gap is formed between the rear edge of the cover plate and the rear edge of the diversion trench.

Further, the upper portion of the fin is connected with the cover plate, the lower portion of the fin extends along the guard plate main body, the fin extends backwards and exceeds the cover plate and the diversion trench, and the rear portion of the fin is connected with the upper surface of the guard plate main body.

Further, the rear edge of the baffle is flush with the rear edge of the cover plate.

Further, the fin includes a front portion connected to the deck and a rear portion extending beyond the deck, the front portion increasing in height and the rear portion decreasing in height.

Further, the guard plate main body is of a gentle transition structure with a high front and a low rear, and sequentially comprises a front curved surface area, a middle curved surface area and a rear curved surface area from front to rear.

Further, the slope of the front curved surface area is larger than that of the middle curved surface area, and the middle curved surface area and the back curved surface area are gentle areas.

Further, the flow guiding structure is arranged on the middle curved surface area, the length of the flow guiding groove along the front-back direction is the same as that of the middle curved surface area, and the fin plate is connected with the back curved surface area.

The application also provides an automobile, including the backplate at the bottom of the battery package, backplate at the bottom of the battery package includes backplate front portion backplate and backplate at the bottom of the back backplate rear portion backplate, backplate front portion backplate is backplate structure as above.

Compared with the prior art, this application backplate structure is equipped with the water conservancy diversion structure, and the water conservancy diversion structure is provided with the fin, and the fin separates the guiding gutter of water conservancy diversion structure into a plurality of water conservancy diversion wind channels, and when the air current of vehicle bottom flowed through the water conservancy diversion structure, can be along water conservancy diversion wind channel to the rear discharge of vehicle, reduced the mutual influence between the air current, guaranteed the orderly nature of gas streamline, eliminated the air current and form the trend of turbulent flow when leaving the backplate, reduced the vehicle windage, improved the continuation of journey mileage.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the specification and together with the description, serve to explain the principles of the specification.

Fig. 1 is a perspective view of the guard plate structure of the present application.

Fig. 2 is a perspective view of another view of the fender structure of fig. 1.

FIG. 3 is a perspective view of the deflector structure and a portion of the shield structure of FIG. 1.

FIG. 4 is a perspective view of the deflector structure and a portion of the shield structure of FIG. 3 from another perspective.

Reference numerals illustrate: a shield main body 10; a front curved surface region 11; a medium curved surface region 12; a back curved surface region 13; a flow guiding structure 20; a cover plate 21; rear edges 211 of the cover plate 21; front edges 212 of the cover plate 21; fins, 22; a rear portion 221; a front portion 222; a baffle plate 23; rear edges, 231 of the baffles 23; diversion trenches 24; a diversion air duct 241; rear edges 242 of the channels 24.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present specification. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present description as detailed in the accompanying claims.

The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the description. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

It should be understood that although the terms first, second, third, etc. may be used in this specification to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information, without departing from the scope of the present description. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.

Next, embodiments of the present specification will be described in detail.

As shown in fig. 1 to 2, the guard plate structure of the present application includes a guard plate body 10 and a flow guiding structure 20 provided on the guard plate body 10. The apron body 10 has a gentle transition structure with a high front and a low rear, and includes a front curved surface region 11, a middle curved surface region 12, and a rear curved surface region 13 in this order from front to rear.

The front curved surface region 11 has a larger inclination angle than the middle curved surface region 12 and the back curved surface region 13, and the middle curved surface region 12 and the back curved surface region 13 are gentle regions. The middle curved surface region 12 smoothly connects the front curved surface region 11 and the back curved surface region 13. The upper surface of the middle curved surface area 12 is provided with a plurality of reinforcing ribs 121, the reinforcing ribs 121 are distributed left and right on the middle curved surface area 12, and the reinforcing ribs 121 extend to the left side and the right side of the flow guiding structure 20.

The flow guiding structure 20 is arranged on the middle curved surface area 12, the front side of the flow guiding structure 20 is connected with the front curved surface area 11, and the rear side of the flow guiding structure 20 is connected with the rear curved surface area 13. In order to ensure the order of the airflow circulation, a plurality of flow guiding structures 20 can be arranged on the guard plate main body 10 side by side.

As shown in fig. 3 to 4, the deflector structure 20 includes a cover plate 21, fins 22, and a baffle plate 23, which are raised obliquely upward. The cover plate 21 is provided in the front-rear direction of the apron body 10, and the cover plate 21 is gradually raised upward on the apron body 10 from front to rear. The front edge 212 of the cover plate 21 is connected to the rear side edge of the front curved surface region 11, and the lifting angle of the cover plate 21 is less than 90 °. The cover plate 21 is provided as a flat plate.

The front side of fin 22 is adjacent to the junction of cover plate 21 and front curve region 11 and extends rearwardly beyond cover plate 21. The fin 22 is generally triangular in shape, the fin 22 including a front portion 222 connected to the cover 21 and a rear portion 221 extending beyond the cover 21. The upper edge of fin 22 is connected to cover plate 21 and the lower edge of fin 22 extends along shield body 10. Rear portion 221 of fin 22 is connected to the upper surface of shield body 10, i.e., the upper surface of back curve region 13. The rear portion of fin 22 extends to the rear side edge of back curve region 13.

The lower edge of fin 22 is rounded and the slope of the lower edge of fin 22 is consistent with the trend of the slope change of middle curve region 12 and back curve region 13, gradually decreasing from front to back slope angle. Front 222 of fin 22 increases in height from front to back, with the highest of fin 22 being located at rear edge 211 of deck 21. Rear portion 221 of fin 22 tapers in height.

The baffle 23 connects both sides of the cover 21 and the shield main body 10. The height of the baffle 23 increases gradually from front to back with the lifting of the cover plate 21 angle, and the rear edge 231 of the baffle 23 is flush with the rear edge 211 of the cover plate 21. The outer surface of the baffle 23 is connected with a reinforcing rib 121.

A flow guide groove 24 is formed between the cover plate 21 and the baffle plate 23, and the flow guide groove 24 is provided along the front-rear direction of the apron body 10. The length of the flow guide groove 24 in the front-rear direction is the same as that of the middle curved surface region 12. The rear edge 242 of the flow guide groove 24 has a gap with the rear edge 211 of the cover plate 21. The front side width of the flow guide groove 24 is smaller than the rear side width. After the shield structure is installed on the vehicle, the flow guide groove 24 faces the ground.

Fins 22 are positioned within channels 24 and extend front to back beyond channels 24. The fin plates 22 divide the diversion trench 24 into a plurality of diversion tunnels 241, and the diversion tunnels 241 are uniformly distributed in the diversion trench 24.

The application also provides an automobile, including the backplate at the bottom of the battery package, backplate at the bottom of the battery package includes backplate front portion backplate and backplate rear portion backplate at the bottom of the back, backplate front portion backplate is backplate structure as above.

The guard plate main body 10 has a gentle transition structure with a high front and a low rear, and the inclination of the guard plate main body 10 tends to be gentle near the rear part of the guard plate main body 10. The airflow is continuously compressed during the flow from the front of the shield body 10 through the rear, and the tendency of the airflow to form turbulence as the rear of the shield body 10 breaks away from the surface of the shield body 10 is more pronounced because the rear of the shield body 10 flattens.

The diversion structure 20 is added at the position where the guard plate main body 10 tends to be gentle, so that the air compressed at the front part of the guard plate main body 10 can be discharged in time at the rear part. The flow guiding structure 20 is provided with the fin plates 22 and the baffle plates 23, so that the structural strength of the flow guiding structure 20 is enhanced, and the flow guiding groove 24 is divided into a plurality of flow guiding air channels 241. When the air flows through the diversion trench 24, the air flows are cut by the fin plates 22 and flow along the diversion tunnel 241, so that the mutual influence among the air flows is reduced, and the air flows are more orderly.

The cover plate 21 is gradually lifted from front to back, a gap is formed between the rear edge 211 of the cover plate 21 and the rear edge 242 of the diversion trench 24, and the height of the rear part of the fin plate 22 is gradually reduced, so that the airflow in the diversion trench 24 can be timely discharged from multiple directions. The flow guiding structure 20 in the application ensures that the air flow flowing through the guard plate structure is free from backflow, so that turbulent flow is avoided, the wind resistance of the vehicle is reduced, and the endurance mileage of the vehicle is improved.

The foregoing description is only a preferred embodiment of the present application, and is not intended to limit the utility model to the particular embodiment disclosed, but is not intended to limit the utility model to the particular embodiment disclosed, as any and all modifications, equivalent to the above-described embodiment, may be made by one skilled in the art without departing from the scope of the utility model.

Claims

1. A fender structure, comprising: backplate main part and set up the water conservancy diversion structure in backplate main part, the water conservancy diversion structure include from backplate main part slope upwards lifts apron, fin and baffle, the baffle is connected the both sides of apron with backplate main part, the apron with be formed with the guiding gutter between the baffle, the fin sets up on the apron and separates into a plurality of water conservancy diversion wind channels with the guiding gutter.

2. The fender structure of claim 1, wherein the cover plate and the flow guide groove are disposed along a front-rear direction of the fender body, and the cover plate is gradually raised from front to rear.

3. The apron structure of claim 2 wherein a gap is provided between a rear edge of the apron and a rear edge of the channel.

4. A fender structure as claimed in claim 3 wherein the upper portion of the fin is connected to the cover plate and the lower portion of the fin extends along the fender body, the fin extending rearwardly beyond the cover plate and the channel, the rear portion of the fin being connected to the upper surface of the fender body.

5. The fender structure of claim 2, wherein a rear edge of the baffle is flush with a rear edge of the cover plate.

6. The fender structure of claim 5, wherein the fin includes a front portion connected to the cover plate and a rear portion extending beyond the cover plate, the front portion having a progressively increasing height and the rear portion having a progressively decreasing height.

7. The fender structure of claim 1, wherein the fender body has a gentle transition structure with a high front and a low rear, and comprises a front curved surface region, a middle curved surface region, and a rear curved surface region in this order from front to rear.

8. The fender structure of claim 7, wherein the front curved surface region has a slope greater than that of the middle curved surface region, and the middle curved surface region and the back curved surface region are gentle regions.

9. The fender structure of claim 8, wherein the deflector structure is disposed on the midsurface region, the length of the deflector groove in the fore-and-aft direction is the same as the midsurface region, and the fin is connected to the back surface region.

10. An automobile comprising a battery pack rear bottom guard plate, wherein the battery pack rear bottom guard plate comprises a rear bottom guard plate front guard plate and a rear bottom guard plate rear guard plate, and the rear bottom guard plate front guard plate is of the guard plate structure as claimed in any one of claims 1 to 9.