CN211617901U

CN211617901U - Air dam and automobile comprising same

Info

Publication number: CN211617901U
Application number: CN202020034926.3U
Authority: CN
Inventors: 田思
Original assignee: Modern Auto Co Ltd
Current assignee: Modern Auto Co Ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-10-02
Anticipated expiration: 2030-01-08

Abstract

The utility model provides an air dam, which comprises a wind shield and an installation part, wherein the installation part is arranged at the top of the wind shield, and the installation part is used for being fixed with and detachably connected with the body of an automobile; the wind shield is provided with a first end part, a main body part and a second end part which are sequentially arranged along the length direction of the wind shield, and the first end part and the second end part are respectively positioned at two ends of the main body part; the bottom surface of the main body part protrudes upwards relative to the bottom surface of the first end part and the bottom surface of the second end part in the height direction of the wind deflector, so that a concave space positioned below the main body part is formed on the wind deflector; the automobile tail guiding device is characterized by further comprising a guiding part which is arranged on the bottom surface of the wind shield and extends towards the direction close to the automobile tail, and the guiding part and the wind shield are in smooth transition. The utility model also provides an automobile. The utility model discloses driving method through the pressure cake makes the barrier pass through from sunken space driving the vehicle in-process to solve the problem that the air dam was cut to pieces under the overall structure of not influencing whole car and aerodynamic performance's the condition.

Description

Air dam and automobile comprising same

Technical Field

The utility model relates to an automotive filed specifically is an air dam and car that contains it.

Background

At present, an automobile is taken as a convenient vehicle and is integrated into daily life of people, at present, China automobile keeps the front of the world and has a large market space, along with the development of the automobile industry, the environmental protection problem causes the attention of people, and the application of energy-saving and environment-friendly technology on the automobile is imperative to be explored. The automobile can receive air resistance in the driving process, the resistance is in direct proportion to the square of the speed, under the high-speed condition, the pneumatic resistance that the automobile received accounts for more, because a lot of structural components need to be installed on the whole automobile chassis, the complete leveling is difficult to achieve, when gas flows through the chassis, because the viscous action of fluid, more turbulent flow can be produced, the pneumatic resistance of the whole automobile can be increased, the oil consumption of the traditional fuel oil automobile and the power consumption of the new energy electric vehicle are increased simultaneously, and the endurance mileage of the automobile is reduced. In the prior art, an air dam structure is additionally arranged at the bottom of a vehicle head, so that airflow flowing into the vehicle bottom is reduced, and the aim of reducing wind resistance is fulfilled. For example, when a driver drives on a mountain land or encounters an obstacle, the driver usually passes through the air dam in a cake pressing mode, so that the air dam is easily scratched.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the rubbing is cut to the piece easily to cause to the low level step-down of vehicle bottom that installation air dam leads to among the prior art. The utility model discloses a middle part has the air dam in sunken space, makes the barrier pass through from sunken space through the driving method of pressing the cake at the driving in-process to solve the problem that the air dam was cut to the piece and rubbed under the overall structure of not influencing whole car and aerodynamic performance's the condition, handsome in appearance, aerodynamic performance are good.

The air dam comprises a wind shield and a mounting component, wherein the mounting component is arranged at the top of the wind shield and is used for being fixedly and detachably connected with a body of an automobile; the wind shield is provided with a first end part, a main body part and a second end part which are sequentially arranged along the length direction of the wind shield, and the first end part and the second end part are respectively positioned at two ends of the main body part; the bottom surface of the main body part protrudes upwards relative to the bottom surface of the first end part and the bottom surface of the second end part in the height direction of the wind deflector, so that a concave space positioned below the main body part is formed on the wind deflector, and the wind deflector is provided with a front surface and a rear surface which are oppositely arranged in the thickness direction of the wind deflector; when the wind shield is installed on a vehicle body of a vehicle, the height direction of the wind shield is positioned or parallel to the height direction of the vehicle body, and the front surface of the wind shield faces the front of the vehicle so as to enable the front surface to be used as a windward side; and, the air dam still includes guide portion, and guide portion sets up the bottom surface at the deep bead and extends to the direction that is close to the rear of a vehicle, guide portion and deep bead smooth transition, and guide portion extend along the length direction of deep bead.

By adopting the scheme, the main body part is provided with the concave space, and the barrier can pass through the concave space by a driving method of the press cake in the driving process. The wind shield is arranged at the bottom of the vehicle head, and reduces airflow flowing into the bottom of the vehicle through the wind shield, so that eddy current in a chassis area is reduced, energy dissipation of a flow field is reduced, the aim of reducing wind resistance is fulfilled, and the endurance mileage of the vehicle is improved; meanwhile, the air dam is vertically arranged on the mounting surface at the bottom of the vehicle, so that the aerodynamic performance of the vehicle is improved while the integral attractive appearance is not influenced.

According to another embodiment of the present invention, in the air dam disclosed in the embodiments of the present invention, the guide portion extends from the bottom surface of the wind deflector along the thickness direction of the wind deflector toward the rear of the vehicle, and the both ends of the guide portion extend to the first end portion and the second end portion along the length direction of the wind deflector.

By adopting the scheme, the wind resistance can be reduced, and the eddy formed by the wind shield on the windward side after blocking air is further reduced.

According to another embodiment of the present invention, the guiding portion of the air dam disclosed in the embodiments of the present invention is a plate-shaped structure, and the guiding portion is perpendicular to the wind deflector.

By adopting the scheme, the plate-shaped structure and the vertical angle are easier to process, and the processing cost is reduced.

According to another embodiment of the present invention, an air dam, disclosed in the embodiments of the present invention, includes a guide portion and a wind deflector integrally formed.

By adopting the scheme, the integrated forming die is convenient to process and install, and the influence of gaps of the connecting parts or connecting pieces on aerodynamic force is reduced.

According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses an air dam, the boss that the direction that the mounting part extends for following the rear surface of deep bead towards deviating from the deep bead, and the boss is equipped with the mounting hole, and the boss passes through the fixed and can dismantle with the automobile body of car of mounting hole and be connected.

By adopting the scheme, the installation is carried out through the lug boss, and the structure is more stable.

According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses an air dam, air dam includes a plurality of bosss, and the length direction interval setting of deep bead is followed to a plurality of bosss.

By adopting the scheme, the installation is more convenient through the plurality of bosses.

According to another embodiment of the present invention, an embodiment of the present invention discloses an air dam, wherein the boss and the wind deflector are integrally formed.

By adopting the scheme, the boss and the wind shield are integrally formed, so that the use reliability is better and the appearance is more attractive.

According to another embodiment of the present invention, an air dam is disclosed, wherein the wind deflector is curved along a length direction of the wind deflector.

By adopting the scheme, the wind shield is better in arc-shaped flow guide effect along the shape of the wind shield in the length direction, enhances the aerodynamic performance, and is more matched with the front structure of the vehicle bottom.

According to another embodiment of the present invention, an embodiment of the present invention discloses an air dam, wherein the length of the wind shield is 70mm to 90mm, the length of the concave space is 30mm to 50m, and the thickness of the guiding portion is 5mm to 15 mm.

By adopting the scheme, the length of the wind shield is 70-90 mm through experiments, the length of the concave space is 30-50 m, the thickness of the guide part is 5-15 mm, the wind shield is most suitable for passing through obstacles in daily automobile running in the range, and meanwhile, the strong aerodynamic performance is guaranteed.

The automobile comprises an automobile body, the automobile body is provided with a front bumper and a tail, the air dam is installed at the bottom of the front bumper, and the air dams are symmetrically arranged along the longitudinal direction of the automobile body.

By adopting the scheme, the main body part is provided with the concave space, and the barrier can pass through the concave space by a driving method of the press cake in the driving process. The air dam is arranged at the bottom of the vehicle head, and air flow flowing into the bottom of the vehicle is reduced through the wind shield, so that eddy current in a chassis area is reduced, energy dissipation of a flow field is reduced, the purpose of reducing wind resistance is achieved, and the endurance mileage of a vehicle is improved; meanwhile, the air dam is vertically arranged on the mounting surface of the vehicle bottom, so that the wind resistance is reduced, the aerodynamic performance of the vehicle is improved while the integral attractive appearance is not influenced, the appearance is more attractive, and the driving experience is better.

The utility model has the advantages that:

the utility model discloses a middle part has the air dam in sunken space, makes the barrier pass through from sunken space through the driving method of pressing the cake at the driving in-process to solve the problem that the air dam was cut to the piece and rubbed under the overall structure of not influencing whole car and aerodynamic performance's the condition, handsome in appearance, aerodynamic performance are good.

Drawings

Fig. 1 is a front view of an air dam in an embodiment of the present invention;

fig. 2 is a side view of an air dam in an embodiment of the invention;

fig. 3 is a top view of an air dam in an embodiment of the present invention;

fig. 4 is a schematic view of a partial structure of an air dam according to an embodiment of the present invention.

Description of reference numerals:

1: a wind deflector;

11: a first end portion; 12: a main body portion; 121: a recessed space;

13: a second end portion; 141: a front surface; 142: a rear surface; 15: a guide section;

2: a mounting member; 21: and (4) a boss.

Detailed Description

The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Example 1

The air dam comprises a wind shield 1 and a mounting component 2, wherein the mounting component 2 is arranged at the top of the wind shield 1, and the mounting component 2 is used for being fixedly and detachably connected with a body of an automobile; the wind deflector 1 has a first end portion 11, a main body portion 12, and a second end portion 13, which are sequentially arranged along the longitudinal direction of the wind deflector 1, and the first end portion 11 and the second end portion 13 are respectively located at both ends of the main body portion 12; the bottom surface of the main body portion 12 protrudes upward in the height direction of the wind deflector 1 with respect to the bottom surface of the first end portion 11 and the bottom surface of the second end portion 13, so that the wind deflector 1 is formed with a recessed space 121 located below the main body portion 12, and the wind deflector 1 has a front surface 141 and a rear surface 142 that are oppositely disposed in the thickness direction of the wind deflector 1; when the wind shield 1 is installed on the body of an automobile, the height direction of the wind shield 1 is positioned at or parallel to the height direction of the body, and the front surface 141 of the wind shield 1 faces the front of the automobile, so that the front surface 141 is used as a windward surface; and, the air dam still includes guide portion 15, and guide portion 15 sets up the bottom surface at deep bead 1 and extends to the direction that is close to the rear of a vehicle, and guide portion 15 and deep bead 1 smooth transition, and guide portion 15 extends along the length direction of deep bead 1.

Specifically, the longitudinal direction refers to the a direction in fig. 1 and 3; the thickness direction refers to the B direction in fig. 2 and 3; the height direction refers to the C direction in fig. 1 and 2. Fig. 4 is a partial sectional view taken along a plane in which the B direction and the C direction in fig. 2 are located, and fig. 4 is taken through the mounting part 2.

The upward projection of the "bottom surface of the main body 12 projects upward in the height direction of the windshield 1 with respect to the bottom surfaces of the first end portion 11 and the second end portion 13" means that the main body 12 forms a recessed space 121 in the height direction with respect to the bottom portions of the first end portion 11 and the second end portion 13, and the recessed space 121 is used for an obstacle to pass through when the vehicle is driven.

The detachable connection can be a threaded connection, a bolt connection, or other detachable connection means commonly used in the art.

In use, the main body 12 has a recessed space 121, and an obstacle is caused to pass through the recessed space 121 by a driving method of a press cake during driving. The air dam is arranged at the bottom of the vehicle head, for example, below a front bumper, and airflow contacts the front surface 141 serving as a windward side through the wind shield 1 and then flows along the guide part 15, so that the airflow flowing into the bottom of the vehicle is reduced, the eddy current in a chassis area is reduced, the energy dissipation of a flow field is reduced, the purpose of reducing the wind resistance is achieved, and the cruising mileage of the vehicle is improved; meanwhile, the air dam is vertically arranged on the mounting surface at the bottom of the vehicle, so that the aerodynamic performance of the vehicle is improved while the integral attractive appearance is not influenced.

According to another specific embodiment of the present invention, the embodiment of the present invention discloses an air dam, wherein the guiding portion 15 extends from the bottom surface of the wind deflector 1 along the thickness direction of the wind deflector 1 toward the direction of the tail of the vehicle, and the two ends of the guiding portion 15 extend to the first end portion 11 and the second end portion 13 along the length direction of the wind deflector 1.

Specifically, the both ends of the guide portion 15 refer to both ends of the guide portion 15 in the length direction.

By adopting the scheme, the wind resistance can be reduced, and the eddy formed by the wind shield 1 on the windward side after blocking air is further reduced.

According to another embodiment of the present invention, the embodiment of the present invention discloses an air dam, wherein the guide portion 15 is of a plate structure, and the guide portion 15 is perpendicular to the wind deflector 1.

According to another embodiment of the present invention, an embodiment of the present invention discloses an air dam, wherein the guide portion 15 is integrally formed with the wind deflector 1.

By adopting the scheme, the integrated forming processing and mounting are convenient, and the influence of the gap or the connecting piece of the connecting part on the aerodynamic force is reduced.

According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses an air dam, installation component 2 is the boss 21 that extends from the rear surface 142 of deep bead 1 towards the direction that deviates from deep bead 1, and boss 21 is equipped with the mounting hole, and boss 21 passes through the mounting hole and the automobile body of car is fixed and can dismantle the connection.

Adopt above-mentioned scheme, install through boss 21, it is more firm to fix.

According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses an air dam, the automobile air dam includes a plurality of bosss 21, and a plurality of bosss 21 set up along the length direction interval of deep bead 1.

Specifically, the number of the bosses 21 is selected according to design requirements, for example, 6 bosses 21 as shown in the figure may be provided.

By adopting the scheme, the installation is more convenient through the installation of the plurality of bosses 21.

According to another embodiment of the present invention, an embodiment of the present invention discloses an air dam, wherein the boss 21 is integrally formed with the wind deflector 1.

By adopting the scheme, the boss 21 and the wind shield 1 are integrally formed, so that the use reliability is better, and the appearance is more attractive.

According to another embodiment of the present invention, an embodiment of the present invention discloses an air dam, wherein the wind deflector 1 is arc-shaped along the length direction of the wind deflector 1.

Adopt above-mentioned scheme, deep bead 1 is that arc water conservancy diversion effect is better along deep bead 1's length direction's shape, reinforcing aerodynamic performance, and matches more with vehicle bottom front portion structure.

According to another embodiment of the present invention, an embodiment of the present invention discloses an air dam, wherein the length of the wind shield 1 is 70mm to 90mm, the length of the concave space is 30mm to 50m, and the thickness of the guide portion 15 is 5mm to 15 mm.

Specifically, the length of the wind deflector 1 may be 80mm, and may also be 70mm or 90 mm; the length of the concave space can be 40m, and can also be 30m or 50 m; the guide portion 15 may have a thickness of 10mm, or may have a thickness of 5mm or 15 mm.

By adopting the scheme, the length of the experimental wind shield 1 is 70mm-90mm, the length of the concave space is 30mm-50m, the thickness of the guide part 15 is 5mm-15mm, the obstacle passing through the range is most consistent with that of daily automobile running, and meanwhile, the strong aerodynamic performance is ensured.

Example 2

An automobile comprises an automobile body and an air dam for the automobile, wherein the automobile body is provided with a front bumper and a tail end, the air dam for the automobile is installed at the bottom of the front bumper, and the air dam for the automobile is symmetrically arranged along the longitudinal direction of the automobile body.

With the above arrangement, the main body 12 has the recessed space 121 through which an obstacle passes by a driving method of the press cake during driving. The air dam is arranged at the bottom of the vehicle head, and air flow flowing into the bottom of the vehicle is reduced through the wind shield 1, so that eddy current in a chassis area is reduced, energy dissipation of a flow field is reduced, the purpose of reducing wind resistance is achieved, and the endurance mileage of a vehicle is improved; meanwhile, the air dam is vertically arranged on the mounting surface of the vehicle bottom, so that the wind resistance is reduced, the aerodynamic performance of the vehicle is improved while the integral attractive appearance is not influenced, the appearance is more attractive, and the driving experience is better.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, and the specific embodiments thereof are not to be considered as limiting. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. An air dam is characterized by comprising a wind shield and a mounting component, wherein the mounting component is arranged at the top of the wind shield and is used for being fixedly and detachably connected with a body of an automobile; and,

the wind deflector is provided with a first end part, a main body part and a second end part which are sequentially arranged along the length direction of the wind deflector, and the first end part and the second end part are respectively positioned at two ends of the main body part;

the bottom surface of the main body portion protrudes upward in the height direction of the wind deflector relative to the bottom surface of the first end portion and the bottom surface of the second end portion, so that a recessed space is formed below the main body portion, and the wind deflector has a front surface and a rear surface which are oppositely arranged in the thickness direction of the wind deflector; wherein,

when the wind deflector is mounted on the body of the automobile, the height direction of the wind deflector is positioned at or parallel to the height direction of the body, and the front surface of the wind deflector faces the front of the automobile so that the front surface is used as a windward side; and,

the air dam further comprises a guiding portion, the guiding portion is arranged on the bottom face of the wind shield and extends towards the direction close to the tail of the vehicle, the guiding portion is in smooth transition with the wind shield, and the guiding portion extends along the length direction of the wind shield.

2. The air dam according to claim 1, wherein the guide portion extends from a bottom surface of the wind deflector in a direction of a thickness of the wind deflector toward the rear of the vehicle, and both ends of the guide portion extend to the first end portion and the second end portion in a length direction of the wind deflector, respectively.

3. The air dam of claim 2, wherein the guide portion is of a plate-like structure and is disposed perpendicular to the wind deflector.

4. The air dam of claim 3, wherein the guide portion is integrally formed with the wind deflector.

5. The air dam of claim 1, wherein the mounting feature is a boss extending from the rear surface of the windshield in a direction away from the windshield, the boss being provided with a mounting hole through which the boss is fixedly and removably connected to the body of the automobile.

6. The air dam of claim 5, wherein the air dam includes a plurality of said bosses spaced apart along a length of the wind deflector.

7. The air dam of claim 6, wherein the boss is integrally formed with the air deflector.

8. The air dam of claim 1, wherein the wind deflector is arcuate in shape along a length of the wind deflector.

9. The air dam according to claim 1, wherein the wind deflector has a length of 70mm to 90mm, the depressed space has a length of 30mm to 50m, and the guide portion has a thickness of 5mm to 15 mm.

10. An automobile comprising a body having a front bumper and a rear, wherein the automobile further comprises an air dam as claimed in any one of claims 1 to 9 mounted on the bottom of the front bumper.