TWI503244B - Wheel arch liner - Google Patents

Description

Wheel arch cover

The present invention relates to a wheel arch cover, and more particularly to a wheel arch cover that blocks outside dust from entering the interior of the passenger compartment.

The conventional wheel arch cover is arranged in front of the vehicle and above the rear wheel to reduce the drag coefficient and make the vehicle run more smoothly. Furthermore, the conventional wheel arch cover located above the front wheel can prevent the wheel from rolling during driving. The gravel and mud that are splashed onto the chassis of the vehicle cause corrosion or damage to the chassis of the vehicle.

In a doorless vehicle such as a golf cart, since the vehicle is not provided with a door, the hot air inside the cabin has a large convection space with the external environment, and the hot air easily overflows from the inside of the cabin to the external environment, so that the interior of the cabin is quickly dissipated. The effect; however, the dust raised by the doorless vehicle during the driving process will converge with the hot air inside the compartment together with the outside low temperature air, and the hot air carrying the dust flows into the interior of the compartment through the foot inlet, thereby affecting driving. The health of people and passengers. The conventional wheel arch cover does not prevent external dust from escaping into the interior of the passenger compartment. Therefore, it is indeed necessary to further improve the conventional wheel arch cover.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a wheel arch cover that is disposed above a front wheel of a doorless vehicle to prevent dust from rising into the interior of the vehicle when the vehicle is traveling.

Still another object of the present invention is to provide a wheel arch cover that can introduce airflow and create a gas wall to prevent dust from entering the interior of the cabin through the foot inlet, thereby improving the air quality inside the cabin.

In order to achieve the foregoing object, the technical means utilized by the present invention and the effects achievable by the technical means include: a wheel arch cover having a face which is parallel to the traveling direction of the vehicle, and the wheel arch cover a wind tunnel, wherein the air duct has an air inlet and an air outlet at opposite ends of the wheel arch; wherein the bottom edge of the air inlet has a first vertical distance from the cutting surface, and the air inlet is An air inlet height is defined between the top edge and the bottom edge of the air inlet, the height of the air inlet is perpendicular to the cutting surface, and the height of the air inlet is smaller than the first vertical distance; and a bottom edge of the air outlet has a relationship between the bottom edge and the cutting surface The second vertical distance, the top edge of the air outlet and the bottom edge of the air outlet have an air outlet height, the air outlet height is perpendicular to the cutting plane, and the air outlet height is less than the second vertical distance.

In the wheel arch cover of the present invention, the air passage is preferably provided with a diameter reducing portion, and the diameter reducing portion is a portion of the air inlet duct having a small cross-sectional area.

In the wheel arch of the present invention, the air passage preferably has a smooth inner surface.

In the wheel arch cover of the present invention, since the height of the air inlet is smaller than the first vertical height, the flow rate of the airflow flowing into the air passage can be increased, and the airflow flowing out from the air outlet can generate a gas wall to prevent external dust from entering. The effect of the interior of the compartment.

〔this invention〕

1‧‧‧ wheel arch cover

11‧‧‧Wind

12‧‧‧Air inlet

13‧‧‧air outlet

14‧‧‧High pressure zone

15‧‧‧Shrinking

2‧‧‧No door vehicles

21‧‧‧ foot entrance

22‧‧‧ inside the compartment

D1‧‧‧first vertical height

D2‧‧‧second vertical height

H1‧‧‧ inlet height

H2‧‧‧ outlet height

T‧‧‧ cut noodles

Figure 1 is a perspective view of the wheel arch of the present invention.

Figure 2 is a side cross-sectional view of the wheel arch of the present invention.

Figure 3 is a schematic view of the wheel arch cover of the present invention installed in a doorless vehicle.

Fig. 4 is a schematic view showing the flow of airflow of the wheel arch cover of the present invention installed in a doorless vehicle.

The above and other objects, features and advantages of the present invention will become more <RTIgt; "The top edge of the wheel arch cover that is relatively far from the ground when in use, is the "upper" as it appears in the drawings; the "top surface" as used in the present invention refers to the wheel arch. When the cover is in use, the surface that is relatively far from the ground is the "upper" as shown in the drawings; the "bottom edge" as used in the present invention refers to the relative distance of the wheel cover when in use. The closer edge of the ground is the "lower" presented in each figure.

Referring to Figures 1 and 2, the wheel arch cover 1 of the present invention is formed into a curved arc shape, and the wheel arch cover 1 has a face T which is parallel to the traveling direction of the vehicle; The wheel arch cover 1 is provided with a duct 11, which preferably has a smooth inner surface to reduce the flow velocity of the airflow due to the resistance when the airflow passes through the air duct 11, and the air duct 11 can make the wheel The arch cover 1 forms an open space. The air duct 11 defines an air inlet 12 and an air outlet 13 at opposite ends of the wheel arch cover 1 respectively. The bottom edge of the air inlet 12 and the cutting surface T have a first vertical distance D1, and the top edge of the air inlet 12 and the bottom edge of the air inlet 12 have an air inlet height H1, and the air inlet height H1. The cutting plane T is perpendicular to the inlet opening height H1 being smaller than the first vertical distance D1. Accordingly, when the airflow enters the air duct 11 from the air inlet 12, a high pressure zone 14 is formed in the air duct 11, and the high pressure zone 14 is adjacent to the top surface of the air duct 11, and can drive the airflow toward the air outlet. 13 flows quickly, thereby increasing the flow rate of the gas stream flowing from the outlet 13 .

The bottom edge of the air outlet 13 and the cutting surface T have a second vertical height D2. The top edge of the air outlet 13 and the bottom edge of the air outlet 13 have an air outlet height H2. The air outlet height H2 is perpendicular to the air outlet. The cut surface T, the air outlet height H2 is smaller than the second vertical distance D2; accordingly, the energy consumption caused by the airflow from the air outlet 13 can be reduced.

In addition, the wheel arch cover 1 further has a diameter reducing portion 15 which may be a portion of the air channel 11 having a smaller cross-sectional area, and therefore enters the air channel 11 from the air inlet port 12. When the airflow flows through the narrowing portion 15, the acceleration behavior can be generated, and the flow velocity of the airflow flowing out from the air outlet 13 can be increased.

Please refer to Figures 3 and 4, the wheel arch cover 1 can be installed above the front wheel of the doorless vehicle 2, preferably the wheel arch cover 1 is installed on both sides of the front wheel of the doorless vehicle 2 at the same time. (The drawing only shows one side as a schematic view), and the air outlet 13 is located in front of the foot entrance 21 of the doorless vehicle 2. As the doorless vehicle 2 moves forward (in the figure, the doorless vehicle 2 moves toward the left), airflow can flow from the air inlet 12, via the air passage 11, and finally from the air outlet 13 Flow out. Moreover, since the air inlet height H1 of the wheel arch cover 1 is smaller than the first vertical height D1 (as shown in FIG. 2), the airflow forms a high pressure region 14 on the top surface of the air passage 11, which can accelerate the flow of the airflow. The speed, and due to the airflow parallel to the moving direction of the doorless vehicle 2, a high pressure vortex can be generated at the foot inlet 21, the high pressure vortex forming a gas wall that can cover the foot inlet 21 of the doorless vehicle 2 And preventing dust from the outside ground from entering the interior 22 of the cabin via the foot inlet 21.

In this case, since the wheel arch cover 1 is further provided with a diameter reducing portion 15, when the airflow passes through the diameter reducing portion 15, an acceleration behavior can be generated to increase the flow velocity of the airflow, and the high pressure eddy current formed at the foot inlet 21 is further Solid, it can enhance the effect of the gas wall blocking the dust from the outside into the interior 22 of the cabin.

In summary, in the wheel arch cover of the present invention, since the height of the air inlet is smaller than the first vertical height, the flow velocity of the airflow flowing into the air passage can be increased, and the airflow flowing out from the air outlet can generate a gas wall to prevent external dust. The effect of entering the interior of the car.

Furthermore, since the wheel arch cover of the present invention can prevent external dust from flowing into the interior of the vehicle compartment with the external low temperature air, the air quality inside the cabin can be improved, thereby achieving the health effect of maintaining the driver and the passenger.

Although the present invention has been disclosed by the above-described preferred embodiments, it is not intended to limit the invention, and it is apparent to those skilled in the art without departing from the spirit and scope of the invention. The various modifications and variations of the embodiments are still within the technical scope of the invention. The scope of the invention is defined by the scope of the appended claims.

1‧‧‧ wheel arch cover

11‧‧‧Wind

12‧‧‧Air inlet

13‧‧‧air outlet

14‧‧‧High pressure zone

15‧‧‧Shrinking

Claims (3)

The wheel arch cover has a face which is parallel to the traveling direction of the vehicle, and the wheel arch cover is provided with a duct, and the air duct forms an air inlet and an air outlet at opposite ends of the wheel arch cover; a first vertical distance between the bottom edge of the air inlet and the cutting surface, and a height of the air inlet between the top edge of the air inlet and the bottom edge of the air inlet, the height of the air inlet is perpendicular to the cutting surface, and the inlet The height of the tuyere is less than the first vertical distance; the bottom edge of the air outlet has a second vertical distance from the cutting surface, and a height of the air outlet is provided between the top edge of the air outlet and the bottom edge of the air outlet. The tuyere height is perpendicular to the section, and the outlet height is less than the second vertical distance. The wheel arch cover according to the first aspect of the patent application, wherein the air passage is provided with a diameter reducing portion, and the diameter reducing portion is a portion of the air inlet duct having a smaller cross-sectional area. A wheel arch cover according to the first aspect of the patent application, wherein the air passage has a smooth inner surface.