CN220764288U

CN220764288U - Vehicle under guard board and vehicle

Info

Publication number: CN220764288U
Application number: CN202322276511.3U
Authority: CN
Inventors: 康贤凯
Original assignee: Beijing Automotive Research Institute Co Ltd
Current assignee: Beijing Automotive Research Institute Co Ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-04-12
Anticipated expiration: 2033-08-23

Abstract

The utility model discloses a vehicle bottom guard board and a vehicle, wherein the vehicle bottom guard board comprises: the plate body is arranged at the bottom of the vehicle; the air guide dam is integrally formed on the plate body and protrudes downwards relative to the plate body. According to the bottom guard board of the vehicle, the air guide dam is integrally formed on the board body, so that the integrated processing and forming are facilitated, the cost required by independent manufacturing of the air guide dam is reduced, meanwhile, the turbulence effect of the air guide dam is utilized to realize the low wind resistance requirement of the vehicle type, the running resistance of the whole vehicle is reduced, the energy conservation and emission reduction in the true sense are realized, the performance of the bottom guard board is optimized, and the dual improvement of the cost and the performance is realized.

Description

Vehicle under guard board and vehicle

Technical Field

The utility model relates to the technical field of automobile bottom guard plates, in particular to a bottom guard plate of a vehicle and the vehicle.

Background

In the related art, a bottom guard plate is installed at the bottom of a vehicle body of the automobile to prevent sand on a road surface from splashing into an engine cabin to damage the engine or other parts. However, due to the bottom guard plate arranged at the bottom, wind resistance is increased, heat dissipation of the engine is affected, fuel economy of the engine is deteriorated, and particularly fuel consumption is increased more when a vehicle runs at a high speed.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present utility model is to propose a floor panel for a vehicle that achieves a double increase in cost and performance.

Another object of the present utility model is to provide a vehicle having the floor panel of the vehicle.

The bottom guard plate of the vehicle according to the embodiment of the utility model comprises: the plate body is arranged at the bottom of the vehicle; the air guide dam is integrally formed on the plate body and protrudes downwards relative to the plate body.

According to the bottom guard board of the vehicle, the air guide dam is integrally formed on the board body and is integrally formed by die pressing, so that the cost required by independent development of the air guide dam is reduced, the performance of the bottom guard board is optimized, the dual promotion of the cost and the performance is realized, meanwhile, the turbulent flow effect of the air guide dam is utilized to realize the low wind resistance requirement of the vehicle type, the running resistance of the whole vehicle is reduced, and the energy conservation and the emission reduction in the true sense are realized.

In addition, the bottom fender of the vehicle according to the above embodiment of the utility model may have the following additional technical features:

according to some embodiments of the utility model, the air guide dam has a windward side that extends obliquely downward and rearward.

According to some embodiments of the utility model, the air guide dams are two and are respectively arranged at the left side edge and the right side edge of the front part of the bottom guard plate.

According to some embodiments of the utility model, the bottom guard plate is provided with reinforcing ribs.

According to some embodiments of the utility model, the reinforcing ribs are elongated ribs extending in a front-rear direction of the bottom shield.

According to some embodiments of the utility model, the elongated rib extends continuously in the front-rear direction, or the elongated rib includes a plurality of segments arranged in the front-rear direction.

According to some embodiments of the utility model, the reinforcing ribs are a plurality of, and the plurality of reinforcing ribs are arranged at intervals along the left-right direction.

According to some embodiments of the utility model, the reinforcing ribs are formed by bending deformation of the bottom guard plate.

The vehicle comprises the bottom guard plate of the vehicle according to the embodiment of the utility model.

According to some embodiments of the utility model, the vehicle includes a battery, a rear bumper, and a rear subframe, the bottom shield is located between the battery and the rear bumper, and the bottom shield is mounted to the rear subframe to move integrally with the rear subframe.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a partial schematic structure of a vehicle according to an embodiment of the utility model;

fig. 2 is a schematic structural view of a floor panel of a vehicle according to an embodiment of the present utility model.

Reference numerals:

a bottom guard plate 100;

a board body 10; an air guide dam 20; a windward side 21; a reinforcing rib 30; ribs 31;

a battery 40; a rear bumper 41; a rear subframe 42.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, "a first feature" may include one or more such features, and "a plurality" may mean two or more, and that a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween, with the first feature "above", "over" and "above" the second feature including both the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature.

The following describes a floor fender 100 of a vehicle according to an embodiment of the present utility model with reference to the drawings.

Referring to fig. 1 to 2, a floor panel 100 of a vehicle according to an embodiment of the present utility model may include: a plate body 10 and an air guide dam 20.

Specifically, the plate body 10 is provided at the bottom of the vehicle, and thus components such as an engine provided at the bottom of the vehicle can be protected from being damaged by foreign matter such as sand and gravel splashed on the road surface during running of the vehicle, and running safety of the vehicle can be improved. Meanwhile, the air guide dam 20 is integrally formed on the plate body 10, and the air guide dam 20 protrudes downwards relative to the plate body 10, so that the combined production of the plate body 10 and the air guide dam 20 is realized, for example, the air guide dam 20 can be integrally formed by die compression, the cost of independently developing the air guide dam 20 is reduced, and the dual improvement of the cost and the performance is realized.

The air guide dam 20 interferes with the airflow flowing through the vehicle bottom, so that the wind resistance of the vehicle bottom in the running process of the vehicle is reduced, the running resistance of the whole vehicle is reduced, and the running speed of the vehicle is conveniently increased.

In the present application, when the vehicle is running, the under-guard plate 100 entirely covers the engine and the like at the bottom of the vehicle and the harness arrangement, protects the covered portion from the impact of externally splashed sand and the like, and plays a role in shielding the arrangement of the bottom of the vehicle, improving the running safety and the competitive product force of the vehicle. Meanwhile, the air guide dam 20 formed on the plate body 10 interferes with the bottom air flow, reduces the wind resistance at the bottom of the vehicle, further reduces the overall running resistance of the vehicle, and is beneficial to meeting the speed requirement of running of the vehicle.

According to the bottom guard plate 100 of the vehicle, the air guide dam 20 is integrally formed on the plate body 10, so that the integrated processing and forming are facilitated, the cost required by independently manufacturing the air guide dam 20 is reduced, meanwhile, the turbulence effect of the air guide dam 20 is utilized to realize the low wind resistance requirement of the vehicle type, the running resistance of the whole vehicle is reduced, the energy conservation and emission reduction in the true sense are realized, the performance of the bottom guard plate 100 is optimized, and the dual improvement of the cost and the performance is realized.

In some embodiments of the present utility model, as shown in fig. 1-2, the air guide dam 20 has a windward side 21, and the windward side 21 extends obliquely downward and rearward. During running of the vehicle, air flow at the bottom of the vehicle is rushed to the downward-inclined windward side 21, and flows through the air guide dam 20 along the backward-inclined angle of the windward side 21, so that the air guide dam 20 realizes interference on the air flow at the bottom of the vehicle, reduces wind resistance at the bottom of the vehicle, and is beneficial to improving the running speed of the vehicle. For example, in some embodiments, by providing an air guide dam, the wind resistance coefficient of 2.5 counts may be effectively reduced.

In some embodiments of the present utility model, as shown in fig. 1-2, the air dams 20 are two and are provided at the left and right edges of the front portion of the bottom shield 100, respectively. The two air guide dams 20 simultaneously reduce the overall wind resistance of the bottom of the vehicle, and the air guide dams 20 symmetrically arranged on the left side and the right side of the front part of the bottom guard plate 100 have uniform interference effect on the air flow on two sides of the bottom of the vehicle, so that the difference between the wind resistance on two sides of the bottom of the vehicle is reduced, the overall reduction of the wind resistance on the whole bottom of the vehicle is facilitated, and the symmetrical arrangement is convenient for the integrated processing and manufacturing of the air guide dams 20 and the plate body 10, so that the processing and manufacturing efficiency of the bottom guard plate 100 is improved.

In some embodiments, the bottom shield 100 is provided with reinforcing ribs 30, as shown in FIGS. 1-2, to facilitate increased strength of the bottom shield 100. In the running process of the vehicle, the splashed sand and other foreign matters impacting on the plate body 10 can cause certain damage to the plate body 10, and the reinforcing ribs 30 are arranged to be beneficial to improving the bearing capacity of the plate body 10 on the impact of the sand and other foreign matters, so that the service life of the bottom guard plate 100 is prolonged.

In some embodiments provided with the reinforcing ribs 30, as shown in fig. 1-2, the reinforcing ribs 30 are elongated ribs extending along the front-rear direction of the bottom guard plate 100, and are configured to block air flow, so that the air flow can smoothly pass through the bottom guard plate 100 when passing through the bottom of the vehicle, thereby facilitating the reduction of wind resistance at the bottom of the vehicle and the improvement of the running speed of the vehicle.

In some embodiments where an elongated rib is provided, the elongated rib may extend continuously in the front-to-rear direction, as shown in fig. 1-2, or the elongated rib may include a plurality of segments 31 arranged in the front-to-rear direction.

In the embodiment in which the elongated ribs extend continuously in the front-rear direction, the elongated ribs do not block the air flow passing through the bottom guard plate 100, and can continuously guide the flow of the air flow, thereby reducing wind resistance.

In the embodiment in which the elongated rib includes the plurality of segments 31 arranged along the front-rear direction, the relative positions of the two adjacent segments 31 can be more flexibly set, for example, other components of the plate body 10, such as hollow-shaped components, can be adapted between the two adjacent segments 31, which is beneficial to heat dissipation or structural avoidance of the engine at the bottom of the vehicle and improves the fuel economy of the engine. And, the multistage muscle 31 arranges in proper order along fore-and-aft direction, is favorable to reducing the windage.

It should be noted that, in some embodiments provided with a plurality of elongated ribs, all the elongated ribs may extend continuously, all the elongated ribs may include a plurality of segments 31, a portion of the elongated ribs may extend continuously, and another portion of the elongated ribs includes a plurality of segments 31.

In some embodiments where elongated ribs are provided, as shown in fig. 1-2, the plurality of ribs 30 are plural, and the plurality of ribs 30 are arranged at intervals in the left-right direction. When the air flow passes through the bottom guard plate 100, the air flow is split by the plurality of non-blocking reinforcing ribs 30 and flows through the reinforcing ribs 30, and the passing air flow is split into a plurality of small air flows and respectively passes through the plurality of non-blocking reinforcing ribs 30, so that the wind resistance at the bottom of the vehicle is further reduced, and the running speed of the vehicle is improved.

In some embodiments provided with the stiffener 30, as shown in fig. 1-2, the stiffener 30 may be formed by bending and deforming the bottom guard plate 100, so that the thickness of the entire plate of the bottom guard plate 100 is relatively uniform, which is beneficial for improving structural strength, reducing stress concentration, and reducing cost.

A vehicle according to an embodiment of the utility model includes a bottom fender 100 according to an embodiment of the utility model. Because the bottom guard plate 100 according to the embodiment of the utility model has the beneficial technical effects, the vehicle according to the embodiment of the utility model is convenient to integrally process and form by integrally forming the air guide dam 20 on the plate body 10, reduces the cost required by independently manufacturing the air guide dam 20, simultaneously realizes the low wind resistance requirement of the vehicle type by utilizing the turbulence effect of the air guide dam 20, reduces the running resistance of the whole vehicle, realizes the energy conservation and emission reduction in the true sense, optimizes the performance of the bottom guard plate 100, and realizes the dual promotion of cost reduction and performance.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the vehicle includes a battery 40, a rear bumper 41, and a rear subframe 42, a bottom shield 100 is located between the battery 40 and the rear bumper 41, and the bottom shield 100 is mounted to the rear subframe 42 to move integrally with the subframe 42. In the related art, the bottom guard board is connected with the fixed part of the vehicle and the rear auxiliary frame at the same time, and the rear auxiliary frame and the fixed part of the vehicle can move relatively in the running process of the vehicle, so that the bottom guard board has a moving area and a fixed area, and the stress of different areas of the bottom guard board is unbalanced, and even the bottom guard board can be torn under the limiting working condition of the vehicle.

In this application, the bottom guard plate 100 is connected with the rear sub-frame 42 through a mounting bracket and has no fixed relation with other peripheral components, and the whole bottom guard plate 100 moves along with the sub-frame 42, so that even if the rear sub-frame 42 moves relative to the fixed part of the vehicle, the situation that the bottom guard plate 100 tears due to the relative movement of the rear sub-frame 42 and the fixed part of the vehicle under the limiting working condition of the vehicle can be avoided.

Other components and operations of a vehicle according to embodiments of the utility model are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description herein, reference to the terms "embodiment," "specific embodiment," "example," and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A floor panel (100) for a vehicle, comprising:

a panel body (10), the panel body (10) being provided at the bottom of the vehicle;

the air guide dam (20) is integrally formed on the plate body (10), and the air guide dam (20) protrudes downwards relative to the plate body (10).

2. The vehicle bottom fender (100) of claim 1, wherein the air guide dam (20) has a windward side (21), the windward side (21) extending obliquely downward and rearward.

3. The vehicle bottom fender (100) of claim 1, wherein the air guide dams (20) are two and are provided at left and right side edges of a front portion of the bottom fender (100), respectively.

4. A vehicle under-fender (100) according to any one of claims 1-3, characterized in that the under-fender (100) is provided with a reinforcement (30).

5. The vehicle under-fender (100) of claim 4, wherein the bead (30) is an elongated bead extending in a front-rear direction of the under-fender (100).

6. The vehicle bottom fender (100) of claim 5, wherein,

the elongated ribs extend continuously in the front-rear direction, or,

the elongated rib includes a plurality of segments (31) arranged in the front-rear direction.

7. The vehicle floor panel (100) according to claim 5, wherein the plurality of the reinforcing ribs (30) are plural, and the plurality of the reinforcing ribs (30) are arranged at a spacing in the left-right direction.

8. The vehicle under-guard (100) according to claim 4, wherein the bead (30) is formed by bending deformation of the under-guard (100).

9. A vehicle characterized by comprising a vehicle under-guard (100) according to any one of claims 1-8.

10. The vehicle according to claim 9, characterized by comprising a battery (40), a rear bumper (41) and a rear subframe (42), the bottom shield (100) being located between the battery (40) and the rear bumper (41), and the bottom shield (100) being mounted to the rear subframe (42) to move integrally with the rear subframe (42).