Automotive exterior parts

Abstract

To provide a vehicle exterior component capable of reducing travel wind by weakening peeling current and vertical vortex generated by the travel wind running over a windshield peeling at a front pillar part.SOLUTION: A vehicle exterior component 1 is structured to be installable on an outer face of a front pillar part P of a vehicle and to integrally guide parts 2a, 2b, 2c for guiding travel wind W to a different direction, protruding toward the outside of a vehicle body under a mounting state on the front pillar part P. The guide parts 2a, 2b, 2c are formed, under a mounting state, with a first inclination surface T1 inclining outward in the longitudinal direction of the vehicle body over the rear from the front of the vehicle body and a second inclination surface T2 inclining upward over the rear from the front of the vehicle body.SELECTED DRAWING: Figure 4

Description

[Technical field]

[0001] The present invention relates to an automobile exterior accessory that is attached to a front pillar portion of an automobile. [Background technology]

[0002] As shown in Fig. 1, when a vehicle is moving, part of the traveling wind W that flows over the windshield toward the side of the vehicle body separates from the surface of the vehicle body at the front pillar part P, generating a separated flow S that returns to the vehicle body side. The separated flow S also generates a vertical vortex V that rises in a vortex shape along the front pillar part P. It is known that the separated flow S and the vertical vortex V are the cause of wind noise. As a technique for suppressing the generation of wind noise, for example, Patent Document 1 discloses a straightening device that is configured by arranging a plurality of approximately horizontal straightening fins protruding toward the sides of the vehicle body from top to bottom on the surface of the front pillar section. This straightening device prevents the development of the longitudinal vortex V by dividing the longitudinal vortex V that is generated at the front pillar section and attempts to develop from the bottom to the top along the front pillar section with the straightening fins, thereby reducing wind noise. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Utility Model Application Publication No. 58-160879 Summary of the Invention [Problem to be solved by the invention]

[0004] Although the above-mentioned straightening device can prevent the development of the longitudinal vortex V, when the vehicle is moving, the wind constantly flows over the surface of the vehicle body, and therefore there is a possibility that wind noise will be generated due to the separated flow S that is continuously generated by the wind passing between the straightening fins.

[0005] Therefore, an object of the present invention is to provide an automotive exterior part that can reduce wind noise by weakening the separated flow and longitudinal vortices that are generated when the wind flowing over the windshield separates at the front pillar. [Means for solving the problem]

[0006] In order to achieve the above object, the present invention provides a vehicle seat cover that can be attached to an outer surface of a front pillar of an automobile and that protrudes toward the outside of the vehicle body when attached to the front pillar. It has a protrusion death, The protruding part has To guide the wind in the desired direction The induction part is formed by combining two or more of the above, and each induction part is , tilting outward from the front to the rear of the vehicle This generates an outward induced wind. First inclined surface and, Upward slope from the front to the rear of the vehicle This generates an upward induced wind. Second inclined surface and of Each 1 or more The first inclined surface and the second inclined surface It is characterized by being able to guide the wind generated by running in a number of different directions. The invention described in claim 2 is characterized in that in the configuration of claim 1, the first inclined surface or the second inclined surface is formed as a flat surface. Claim 3 The invention described in claim 1 or 2 In the configuration of claim 1, the protrusion is provided on the surface of the main body which is attachable to the outer surface of the front pillar. The invention described in claim 7 is 3 In any one of the above configurations, the present invention is characterized in that the vehicle is equipped with a side visor.

[0007] In the present invention, "to be thick" means to form the plate with an increased thickness. Effect of the Invention

[0008] According to the invention described in claim 1, the running wind is guided by two or more guide parts to give any directionality, The first inclined surface can generate an outward induced wind that flows toward the outside of the vehicle body, and the second inclined surface can generate an upward induced wind that flows upward. The outward induced wind and the upward induced wind that are generated collide with the longitudinal vortex and the separated flow, so that the longitudinal vortex and the separated flow are offset or attenuated, thereby reducing wind noise. Since the longitudinal vortices and separated flows are cancelled or attenuated by collision with the induced wind, wind noise can be reduced. Claim3 According to the invention described in the above, the contact area with the front pillar portion is increased by providing the main body portion, so that the vehicle can be securely attached to the front pillar portion. Claim 4 According to the invention described in the above, by canceling or attenuating the separated flow by the induced wind, the generation of turbulence that occurs inside the side visor due to the separated flow and that is one of the causes of wind noise can be reduced, thereby reducing wind noise. [Brief description of the drawings]

[0009] [Figure 1] FIG. 2 is an explanatory diagram showing the flow of wind around a front pillar of a vehicle body to which the automotive exterior accessory of the present invention is not attached. [Diagram 2] 1A and 1B are explanatory views of an automobile exterior part of the present invention, in which (a) is a perspective view, and (b) and (c) are perspective views showing the flow of wind induced by the automobile exterior part. [Diagram 3] 3(a) is an explanatory diagram showing the protruding width dimension of the automobile exterior part of the present invention, (b) is an explanatory diagram showing the vertical inclination angle, and (c) is a cross-sectional view taken along line AA in FIG. 3(b) and showing the horizontal inclination angle. [Figure 4] FIG. 1 is an explanatory diagram showing a vehicle body to which an automobile exterior accessory of the present invention is attached. [Diagram 5] FIG. 2 is an explanatory diagram showing the flow of wind around a front pillar of a vehicle body with the automotive exterior accessory of the present invention attached. [Figure 6] FIG. 1 is a perspective view showing an automobile exterior part of the present invention having a main body portion. [Figure 7] 7A to 7C are explanatory diagrams showing a first modified example of an automobile exterior part according to an embodiment of the present invention, in which (a) is a perspective view, (b) is an end view taken along line BB in FIG. 7A, and (c) is an enlarged end view taken along line CC in FIG. 7A. [Figure 8] 8A and 8B are explanatory views showing another form of the modified example 1 of the automobile exterior part according to the embodiment of the present invention, where (a) is a perspective view and (b) is an enlarged end view taken along the line DD in FIG. 8A. [Figure 9]9(b) is an explanatory diagram showing the protruding width dimension of the automotive exterior part of variant example 1; (b) is an explanatory diagram showing the inclination angle of the second inclined surface; (c) is an end view of line EE of Figure 9(b) which is an explanatory diagram showing the inclination angle of the first inclined surface; (d) is an end view of line EE of Figure 9(b) which is an explanatory diagram showing the inclination angle of the rear end of the first inclined surface; and (e) is an enlarged end view of line FF of Figure 9(b) which is an explanatory diagram showing the inclination angle between the second inclined surface and the main body portion, the inclination angle between the main body portion and the lower part of the composite guiding portion, the protruding width of the composite guiding portion, the width length of the guiding portion, and the spacing between adjacent composite guiding portions. [Figure 10] 1A and 1B are explanatory diagrams showing wind flow around an automobile exterior part of Modification 1, where (a) shows an outward flow and (b) shows an upward flow. [Figure 11] 11(a) is an explanatory diagram showing another form of the modified example 1 of the automobile exterior part of the embodiment of the present invention, where (a) is a perspective view, (b) is an enlarged view of the area surrounded by the circular frame M in FIG. 11(a), and (c) is an end view of the line GG in FIG. 11(a). [Figure 12] 1A to 1C are explanatory views showing a modified example 2 of an automobile exterior part according to an embodiment of the present invention, where (a) is a perspective view, (b) is a front view, and (c) is a plan view. [Figure 13] 1A is an explanatory diagram showing the protruding width dimension of an automobile exterior part of modified example 2, FIG. 1B is an explanatory diagram showing the inclination angle of the second inclined surface, and FIG. 1C is an explanatory diagram showing the inclination angle of the first inclined surface. [Figure 14] 10A to 10C are explanatory diagrams showing wind flow around an automobile exterior part of Modification 2, where (a) is the outward flow, (b) is the upward flow, and (c) is the wind flow as viewed from above. [Figure 15] 1A and 1B are explanatory views showing a modified example 3 of an automobile exterior part according to an embodiment of the present invention, in which (a) is a perspective view and (b) is a front view. [Figure 16] 10(a) is an explanatory diagram showing the protruding width dimension of an automobile exterior part of modified example 3, (b) is an explanatory diagram showing the inclination angle of the second inclined surface, and (c) is an explanatory diagram showing the inclination angle of the first inclined surface. [Figure 17]13A to 13C are explanatory diagrams showing wind flow around an automobile exterior part of Modification 3, where (a) is the outward flow, (b) is the upward flow, and (c) is the wind flow as viewed from above. [Figure 18] 10A and 10B are explanatory views showing a fourth modified example of an automobile exterior part according to an embodiment of the present invention, in which (a) is a perspective view and (b) is a front view. [Figure 19] 10(a) is an explanatory diagram showing the protruding width dimension of an automobile exterior part of modified example 4, (b) is an explanatory diagram showing the inclination angle of the second inclined surface, and (c) is an explanatory diagram showing the inclination angle of the first inclined surface. [Figure 20] 13A and 13B are explanatory diagrams showing wind flow around an automobile exterior part of Modification 4, where (a) shows an outward flow and (b) shows an upward flow. [Figure 21] 11A and 11B are explanatory views showing a modified example 5 of an automobile exterior part according to an embodiment of the present invention, in which (a) is a perspective view and (b) is a front view. [Figure 22] 13A is an explanatory diagram showing the protruding width dimension of an automobile exterior part of modified example 5, FIG. 13B is an explanatory diagram showing the inclination angle of the second inclined surface, and FIG. 13C is an explanatory diagram showing the inclination angle of the first inclined surface. [Figure 23] 13 is an explanatory diagram showing the flow of wind around an automobile exterior part of the fifth modified example, where (a) is an outward flow, and (b) is an upward flow. FIG. [Figure 24] 24(a)-(c) are explanatory views showing a sixth modified example of an automobile exterior part according to an embodiment of the present invention, in which (a) is a perspective view, (b) is a side view, and (c) is a perspective view of a cross section taken along line HH in FIG. 24(a). [Diagram 25] 25(a) is an explanatory diagram showing the protruding width dimension of an automobile exterior part of variant example 6, (b) is an explanatory diagram showing the inclination angle of the second inclined surface, and (c) is a cross-sectional view of line II in FIG. 25(b) and an explanatory diagram showing the inclination angle of the first inclined surface. [Figure 26] 13 is an explanatory diagram showing the flow of wind around an automobile exterior part of the fifth modified example, where (a) is an upward flow, and (b) is an outward flow. FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 2 is an explanatory diagram of the automobile exterior part of the present invention, where FIG. 2(a) is a perspective view, and FIG. 2(b) and FIG. 2(c) are perspective views showing the flow of wind induced by the automobile exterior part. As shown in Fig. 2(a) when attached to the front pillar part P (Fig. 4), the automobile exterior part 1 is provided with integrally formed guide parts 2a, 2b, 2c that protrude in a strip shape with a generally triangular cross section toward the outside of the vehicle body (to the left in Fig. 2) and have different inclination angles α (described later). In the automobile exterior part 1 attached to the front pillar part P, the guide parts 2a, 2c are formed with a first inclined surface T1 that inclines outward in the left-right direction of the vehicle body from the front to the rear of the vehicle body, and as shown in Fig. 2(b), the running wind W that flows through the first inclined surfaces T1, T1 of the guide parts 2a, 2c is guided to flow toward the outside of the vehicle body as outward guided wind O. On the other hand, a second inclined surface T2 that slopes upward from the front to the rear of the vehicle body is formed in the guidance sections 2a, 2b, and 2c, and as shown in Figure 2(c), the running wind W that flows along the second inclined surfaces T2, T2, and T2 in the guidance sections 2a, 2b, and 2c is guided upward as upward guided wind U.

[0011] The cross-sectional shape of the automobile exterior part 1 is not limited to a substantially triangular shape, and may be a square shape, an arc shape, or other similar shapes. As long as the automobile exterior part 1 has the first inclined surface T1 and the second inclined surface T2, the automobile exterior part 1 can be designed into any shape, and may be formed, for example, into a plate shape that protrudes toward the outside of the vehicle body when attached to the front pillar part P and has guide parts 2a, 2b, and 2c on the upper side. Furthermore, in the automobile exterior part 1, the inclined surfaces T1, T2, T1 of the guiding portions 2a, 2b, 2c are provided continuously with their respective boundaries interposed therebetween, thereby forming a smooth flow of guiding air. On the other hand, although not shown, the guide parts 2a, 2b, and 2c do not have to be continuous, and for example, the guide parts 2a, 2b, and 2c may be formed as separate guide parts having at least the first inclined surface T1 or the second inclined surface T2, and the automobile exterior part of the present invention may be configured by combining these guide parts. In this case, the mounting position on the front pillar part P can be set arbitrarily as long as it is possible to guide the running wind as at least the outward guide wind O and the upward guide wind U.

[0012] FIG. 3(a) is an explanatory diagram showing the protruding width dimension of the automobile exterior part of the present invention, FIG. 3(b) is an explanatory diagram showing the inclination angle of the second inclined surface, and FIG. 3(c) is a cross-sectional view along line AA of FIG. 3(b) and is an explanatory diagram showing the inclination angle of the first inclined surface. The protruding width D1 from the front pillar part P of the automobile exterior part 1 shown in Fig. 3(a) is set in the range of 1 mm ≦ D1 ≦ 100 mm, and preferably in the range of 10 mm ≦ D1 ≦ 50 mm. This makes it possible to effectively guide the traveling wind as the outward guided wind O and the upward guided wind U. In addition, the inclination angle α1 of the second inclined surface T2 shown in Figure 3(b) is set in the range of 1°≦α1≦89°, and preferably in the range of 10°≦α1≦45°, based on a line L1 parallel to the ground when attached to the front pillar portion P. In addition, the inclination angle θ1 of the first inclined surface T1 shown in Figure 3 (c) is set in the range of 90°≦θ1≦179°, and preferably in the range of 135°≦θ1≦179°, based on a line L2 parallel to the center line connecting the front and rear of the vehicle body when attached to the front pillar portion P.

[0013] Next, a method for attaching the automobile exterior part 1 to an automobile and the flow of wind while the automobile is traveling will be described. Fig. 4 is an explanatory diagram showing a vehicle body with the automobile exterior part of the present invention attached. Fig. 5 is an explanatory diagram showing the flow of wind while the automobile is traveling around the front pillar of the vehicle body with the automobile exterior part of the present invention attached. 4, the automobile exterior accessory 1 is attached to the lower outer surface of the front pillar part P by a mounting means (not shown) such as double-sided tape. In the present invention, the lower part of the front pillar part P is defined as the lower half of the front pillar part P in the inclination direction.

[0014] As described above, the traveling wind W is guided as the outward guided wind O and the upward guided wind U by the guide sections 2a, 2b, and 2c. Then, as shown in FIG. 5, in the vicinity of the front pillar section P, the outward guided wind O and the upward guided wind U generate a vortex RV that rotates in the opposite direction to the vertical vortex generated with traveling. The generated vortex RV collides with the separated flow and the vertical vortex that cause wind noise, and the separated flow and the vertical vortex are offset or attenuated, so that the wind noise can be reduced. In addition, by providing the guide sections 2a, 2b, and 2c in succession, the outward guided wind O and the upward guided wind U become smooth guided winds, so that the separated flow and the vertical vortex are effectively offset or attenuated, and the wind noise can be reduced. Since the vicinity of the lower end of the front pillar portion P is the starting point of vertical vortices, by attaching the automotive exterior part 1 near the lower end of the front pillar portion P, the vertical vortices can be offset or attenuated before they develop, effectively reducing wind noise.

[0015] The automobile exterior part 1 of the above-mentioned form can be attached to the outer surface of the front pillar part P of the automobile, and when attached to the front pillar part P, is integrally provided with guide parts 2a, 2b, and 2c that protrude toward the outside of the vehicle body and guide the traveling wind W in different directions. According to the automobile exterior part 1 configured in this manner, the driving wind W is guided by the guide portions 2a, 2b, and 2c to give it an upward or outward directivity, and is directed upward and outward as the upward guided wind U and the outward guided wind O, and is made to collide with the vertical vortex and separated flow generated around the front pillar. The vertical vortex and separated flow are offset or attenuated by the collision with the upward guided wind U and the outward guided wind O, so that wind noise can be reduced.

[0016] In addition, when the guide portions 2a, 2b, and 2c are installed, a first inclined surface T1 is formed which inclines outward in the left-right direction of the vehicle body from the front to the rear, and a second inclined surface T2 which inclines upward from the front to the rear of the vehicle body. Therefore, the first inclined surface T1 can generate an outward guided wind O that flows toward the outside of the vehicle body, and the second inclined surface T2 can generate an upward guided wind U that flows upward. The outward guided wind O and the upward guided wind U that are generated collide with the longitudinal vortices and the separated flow, and therefore the longitudinal vortices and the separated flow are offset or attenuated, thereby reducing wind noise.

[0017] In addition, when a side visor is installed on a vehicle, turbulence caused by separated flow being caught inside the side visor is one of the causes of wind noise. However, by canceling out or attenuating the separated flow using the outward guided wind O and the upward guided wind U, the flow of wind caught inside the side visor can be reduced, thereby reducing wind noise.

[0018] The automobile exterior accessory 1 may be configured, for example as shown in FIG. 6, to have a plate-shaped main body 50 on the vehicle body side when attached to the front pillar part P. By providing the main body portion 50, the mounting area to the front pillar portion P is increased, so that the automobile exterior accessory 1 can be mounted to the front pillar portion P securely.

[0019] FIG. 7 is an explanatory diagram showing a modified example 1 of an automobile exterior part according to an embodiment of the present invention, where (a) is a perspective view, (b) is an end view taken along line BB in FIG. 7(a), and (c) is an end view taken along line CC in FIG. 7(a). When the automobile exterior part 1a is attached to the front pillar part P, as shown in Figures 7(a), (b), and (c), the width of the protrusion toward the outside of the vehicle body (to the left in Figure 7) increases toward the rear, and the automobile exterior part 1a is provided with three protrusions 40 arranged adjacent to each other at a predetermined interval in the vertical direction along the inclination direction of the front pillar part P, in front of the outer surface of the main body part 50, the three protrusions 40 being substantially trapezoidal in shape and having a guide part 2d that functions as a first inclined surface T1 and a guide part 2e that functions as a second inclined surface T2.

[0020] Adjacent composite induction sections 3 are disposed with a gap (minimum gap) h1 that is at least half the minimum width H1 of the induction section 2d (FIG. 9). Here, the minimum width H1 of the induction section 2d refers to the width H at the position where the vertical width of the induction section 2d is smallest, and the minimum gap h1 refers to the gap h at the position where the vertical width between the composite induction sections 3 is smallest. With this arrangement, the outward induction wind O and the upward induction wind U induced by the multiple composite induction sections 3 disturb the vertical vortexes and separated flows and cancel or attenuate them, thereby effectively reducing wind noise. In addition, the multiple composite guiding parts 3 may be provided integrally as the protruding parts 40, or may be provided as separate, independent bodies, and the number of them to be provided can be set arbitrarily. However, the number of the composite guiding parts 3 to be provided is preferably 3 or more. FIG. 8 is an explanatory diagram showing another form of the modified example 1 of the automobile exterior part according to the embodiment of the present invention, where (a) is a perspective view and (b) is an enlarged end view taken along the line DD in FIG. 8(a). Automobile exterior part 1a', which is another form of automobile exterior part 1a, has multiple composite guiding parts 3 provided as independent separate bodies as shown in Figures 8(a) and (b), so that a path for the traveling wind is formed between one composite guiding part 3 and another composite guiding part 3 from the front end to the rear end of automobile exterior part 1a', thereby more effectively reducing wind noise. Furthermore, the composite guiding portion 3 is not limited to a substantially trapezoidal shape, and may be triangular or rectangular as long as it has a guiding portion that functions as a first inclined surface and a guiding portion that functions as a second inclined surface.

[0021] FIG. 9(a) is an explanatory diagram showing the protruding width dimension of the automotive exterior part of Modification 1, FIG. 9(b) is an explanatory diagram showing the inclination angle of the second inclined surface, FIG. 9(c) is an end view taken along line E-E of FIG. 9(b) and shows the inclination angle of the first inclined surface, FIG. 9(d) is an end view taken along line E-E of FIG. 9(b) and shows the inclination angle of the rear end portion of the first inclined surface, and FIG. 9(e) is an enlarged end view taken along line F-F of FIG. 9(b) and shows the inclination angle between the main body portion of the second inclined surface, the inclination angle between the lower portion of the composite guiding portion and the main body portion, the protruding width of the composite guiding portion, the width length of the guiding portion, and the interval between adjacent composite guiding portions. The protruding width D2 from the front pillar portion P of the automotive exterior part 1a shown in FIG. 9(a) is set in the range of 1 mm ≤ D2 ≤ 100 mm, preferably set in the range of 5 mm ≤ D2 ≤ 13 mm. Further, the minimum value D2(min) and the maximum value D2(max) of the protruding width D2 satisfy the relationship of D2(min) ≤ D2(max) < D2(min) × 7. Furthermore, the composite guiding portion 3 satisfies the relationship of D2a ≤ D2b in the protruding width D2a below and the protruding width D2b above the composite guiding portion shown in FIG. 9(e). Thereby, the traveling wind can be effectively guided as the outward guiding wind O and the upward guiding wind U. Also, the inclination angle α2a of the second inclined surface T2 shown in FIG. 9(b) is set in the range of 1° ≤ α2a ≤ 89° based on the parallel line L1 with the ground in the mounting state to the front pillar portion P, preferably set in the range of 10° ≤ α2a ≤ 45°. Also, the inclination angle θ2a of the first inclined surface T1 shown in FIG. 9(c) is set in the range of 90° ≤ θ2a ≤ 179° based on the parallel line L2 connecting the front and rear of the vehicle body in the mounting state to the front pillar portion P, preferably set in the range of 135° ≤ θ2a ≤ 179°. Also, the inclination angle θ2b of the rear end portion of the first inclined surface T1 shown in FIG. 9(d) is set in the range of 90° ≤ θ2b ≤ 135° based on the surface of the main body portion 50. Also, the inclination angle α2b between the main body portion 50 of the second inclined surface T2 shown in FIG. 9(e) and the inclination angle α2c between the lower portion of the composite guiding portion 3 and the main body portion 50 are each set in the range of 90° ≤ α2b ≤ 135° and 90° ≤ α2c ≤ 135°. 9(b) and (e), the width H of the guiding portion 2d is set to any value between the minimum width H1 and the maximum width H2. Here, the maximum width H2 refers to the width H at the position where the vertical width of the guiding portion 2d is the largest. The minimum width H1 and the maximum width H2 are set to a value between H1≦H2. On the other hand, the interval h between adjacent composite guiding sections 3 is set to any value between the minimum interval h1 and the maximum interval h2. Here, the maximum interval h2 refers to the interval h at the position where the vertical width between the adjacent composite guiding sections 3 is the largest. The minimum interval h1 and the maximum interval h2 are set to a value between h1≦h2. The width H of the combined guiding portion 3 may be smaller at the rear side than at the front side when attached to the front pillar portion P, or may be larger at the rear side than at the front side. The same applies to the distance h between adjacent combined guiding portions 3. In addition, the inclination angle of each portion may be set to the same value throughout the entire portion within the respective setting range, or the setting value may be changed.

[0022] Next, the flow of wind around the automobile exterior part of the first modification will be described. FIG. 10 is an explanatory diagram showing the flow of wind around the automobile exterior part of the first modified example, where (a) shows the outward flow and (b) shows the upward flow. The automobile exterior part 1a is attached to the lower part of the front pillar part P by a mounting means (not shown) such as double-sided tape. As shown in Fig. 10(a), the guiding parts 2d, 2d, 2d guide the traveling wind W flowing on their surfaces to flow toward the outside of the vehicle body as outward guided wind O. On the other hand, the guiding parts 2e, 2e, 2e guide the traveling wind W flowing on their surfaces to flow upward as upward guided wind U, as shown in Fig. 10(b). By providing three composite guiding sections 3, 3, 3 that guide the running wind W as described above, three induced winds are generated, each of which disrupts the longitudinal vortices and separated flows and cancels or attenuates them, thereby further reducing wind noise. ​​

[0023] FIG. 11 is an explanatory diagram showing another form of the modified example 1 of the automobile exterior part of the embodiment of the present invention, where (a) is an oblique view, (b) is an enlarged view of the area surrounded by the circular frame M in FIG. 11(a), and (c) is an end view of the line GG in FIG. 11(a). As shown in FIG. 11(a), in another embodiment 1a'' of modified example 1, when attached to the front pillar portion P, a recess 50a is formed on the front edge of the protrusion 40a, thereby forming guide portions 2f, 2g from near the lower end to the upper end of the protrusion 40a. Furthermore, the guide portion 2f has the function of the second inclined surface T2, and the guide portion 2g has the functions of both the first inclined surface T1 and the second inclined surface T2. The inclination angle α2d of the guide portion 2f shown in FIG. 11(b) is set in the range of 5°≦α2d≦20° with respect to a line L1 parallel to the ground when the guide portion 2f is attached to the front pillar portion P. Moreover, the inclination angle θ2c of the guide portion 2g shown in FIG. 11(c) is set in the range of 90°<θ2c≦135°. This makes it possible to more effectively guide the traveling wind as the outward guided wind O and the upward guided wind U.

[0024] FIG. 12 is an explanatory diagram showing a modified example 2 of an automobile exterior part according to an embodiment of the present invention, where (a) is a perspective view, (b) is a front view, and (c) is a plan view. The automobile exterior part 1b, when attached to the front pillar part P, has a wing part 6 that protrudes toward the outside of the vehicle body (leftward in FIG. 12) and has a width of protrusion that increases toward the rear as it approaches the rear as shown in FIGS. 12(a)-(c). An inverted vertical wall part 70 is formed on the outer edge of the wing part 6. An extension part 70a is provided on the vertical wall part 70 so as to extend upward near the rear of the vertical wall part 70. As shown in FIG. 10(c), the extension part 70a is formed in a substantially T-shaped cross section that becomes thicker in the left-right direction of the vehicle body as it approaches the rear. As shown in FIG. 12(b), the extension part 70a is provided so as to be inclined toward the vehicle body (rightward in FIG. 12) from the front to the rear.

[0025] The wing portion 6 forms the guide portion 2h and functions as the second inclined surface T2, and the thick-walled outer surface 70b of the vertical wall portion 70 forms the guide portion 2i and functions as the first inclined surface T1. On the other hand, the thick-walled inner surface 70c of the vertical wall portion 70 forms the guide portion 2j and functions as the second inclined surface T2.

[0026] The vertical wall portion 70 may be formed at any position on the wing portion 6, and may be formed, for example, at the center of the protruding direction of the wing portion 6 across the front-rear direction of the vehicle body, or may be provided only in front of the outer edge of the wing portion 6. Furthermore, the vertical wall portion 70 may be provided toward the bottom of the wing portion 6, or on both the top and bottom sides. In addition, multiple vertical wall portions 70 may be provided on the wing portion 6. In addition, the cross-sectional shape of the vertical wall portion 70 including the wing portion 6 may be an approximately L-shape as described above, or may be an approximately U-shape, an approximately T-shape, an approximately F-shape, or an approximately arc-shape, as in variant example 4 described below, and is not limited as long as it does not diffuse the wind caused by running.

[0027] The automobile exterior part 1b may be configured to have a plate-shaped main body on the vehicle body side when attached to the front pillar part P, as shown in FIG. By providing the main body portion, the mounting area to the front pillar portion P is increased, so that the automobile exterior accessory 1 can be mounted securely to the front pillar portion P.

[0028] Figure 13(a) is an explanatory diagram showing the protruding width dimension of an automobile exterior part of variant example 2, Figure 13(b) is an explanatory diagram showing the inclination angle of the second inclined surface, and Figure 13(c) is an explanatory diagram showing the inclination angle of the first inclined surface. 13(a) from the front pillar portion P is set in the range of 1 mm≦D3≦100 mm, and preferably 10 mm≦D3≦50 mm. This allows the traveling wind to be effectively guided as the outward guided wind O and the upward guided wind U. In addition, the inclination angle α3 of the second inclined surface T2 shown in Figure 13(b) is set in the range of 1°≦α3≦89°, and preferably in the range of 10°≦α3≦45°, based on a line L1 parallel to the ground when attached to the front pillar portion P. In addition, the inclination angle θ3 of the first inclined surface T1 shown in Figure 13(c) is set in the range of 90°≦θ3≦179°, and preferably in the range of 135°≦θ3≦179°, based on a line L2 parallel to the center line connecting the front and rear of the vehicle body when attached to the front pillar portion P.

[0029] Next, the flow of wind around the automobile exterior part of the second modification will be described. FIG. 14 is an explanatory diagram showing the flow of wind around an automobile exterior part of the second modified example, where (a) shows the outward flow, (b) shows the upward flow, and (c) shows the wind flow as viewed from above. The automobile exterior part 1b is attached to the lower part of the front pillar part P by a mounting means (not shown) such as double-sided tape. As shown in Fig. 14(a), the guide part 2i guides the traveling wind W flowing on its surface to the outside of the vehicle body as outward guided wind O. On the other hand, as shown in Fig. 14(b), the guide parts 2h and 2j guide the traveling wind W flowing on its surface to the upward direction as upward guided wind U. At this time, the traveling wind W flowing from the windshield is received by the vertical wall part 70 and guided to the guide parts 2h and 2j, so that the traveling wind W can be guided efficiently. Furthermore, by providing the vertical wall portion 70 at an incline toward the vehicle body, the space 80 formed by the vertical wall portion 70 and the outer surface of the front pillar portion P is narrowed from the front to the rear as shown in FIG. 14(c). This allows the upward guided wind U to be accelerated as it passes through the space 80, and the outer guided wind O and the accelerated upward guided wind U can effectively cancel out or attenuate the vertical vortices and separated flows, thereby further reducing wind noise.

[0030] FIG. 15 is an explanatory diagram showing a modified example 3 of an automobile exterior part according to an embodiment of the present invention, where (a) is a perspective view and (b) is a front view. The automobile exterior part 1c includes a main body 51 whose plate thickness increases toward the outside of the vehicle body (leftward in FIG. 11) as it approaches the rearward when attached to the front pillar part P, as shown in FIG. 15(a), and a protruding part 41 provided near the center in the vertical direction in the inclination direction of the front pillar part P of the outer surface 51a of the main body 51 and protruding outward when attached to the front pillar part P. The protruding part 41 includes a wing part 6 whose protruding width toward the outside increases toward the rearward, and a vertical wall part 71 that stands upright upward is provided on the outer edge of the wing part 6. The vertical wall part 71 has an extension part 71a that extends upward near the rear of the vertical wall part 71. The vertical wall part 71 is formed to be inclined toward the vehicle body (rightward in FIG. 13) so that a space 80 formed by the vertical wall part 71 and the outer surface 51a of the main body part 51 narrows from the front to the rear, as shown in FIG. 15(b). The outer surface 51a of the main body 51 forms the guide portion 2k and functions as a first inclined surface T1, and the wing portion 6 forms the guide portion 2h and functions as a second inclined surface T2.

[0031] The arrangement of the wing portions 6 on the main body portion 51 is not limited to the vicinity of the center, but may be provided at any position on the outer surface 51a of the main body portion 51. In addition, the portion of the main body 51 where the thickness increases toward the outside may be formed only in a limited range. For example, when the automobile exterior part 1c is viewed from the side, the thickness may be increased only in the range that overlaps with the vertical wall portion 71.

[0032] FIG. 16(a) is an explanatory diagram showing the protruding width dimension of an automobile exterior part of modified example 3, (b) is an explanatory diagram showing the inclination angle of the second inclined surface, and (c) is an explanatory diagram showing the inclination angle of the first inclined surface. 16(a) from the front pillar portion P of the automobile exterior part 1c is set in the range of 1 mm ≦ D4 ≦ 100 mm, and preferably in the range of 10 mm ≦ D4 ≦ 50 mm. This makes it possible to effectively guide the traveling wind as the outward guided wind O and the upward guided wind U. In addition, the inclination angle α4 of the second inclined surface T2 shown in Figure 16 (b) is set in the range of 1°≦α4≦89°, and preferably in the range of 10°≦α4≦45°, based on a line L1 parallel to the ground when attached to the front pillar portion P. In addition, the inclination angle θ4 of the first inclined surface T1 shown in Figure 16 (c) is set in the range of 90°≦θ4≦179°, and preferably in the range of 135°≦θ4≦179°, based on a line L2 parallel to the center line connecting the front and rear of the vehicle body when attached to the front pillar portion P.

[0033] Next, the flow of wind around the automobile exterior part of the third modification will be described. FIG. 17 is an explanatory diagram showing the flow of wind around an automobile exterior part of the third modified example, where (a) shows the outward flow, (b) shows the upward flow, and (c) shows the wind flow as viewed from above. The automobile exterior part 1c is attached below the front pillar part P via the inner surface of the main body part 51 (to the right in FIG. 17) by a mounting means (not shown) such as double-sided tape. As shown in FIG. 17(a), the guide part 2k guides the traveling wind W flowing along its surface to the outside of the vehicle body as outward guided wind O. On the other hand, as shown in FIG. 17(b), the guide part 2h guides the traveling wind W flowing along its surface to the upward direction as upward guided wind U. At this time, the traveling wind W flowing from the windshield is received by the vertical wall part 71 and guided to the guide parts 2h and 2k, so that the traveling wind W can be guided efficiently.

[0034] 17(c), the space 80 is formed so as to narrow from the front to the rear, and therefore it is possible to accelerate the upward guided wind U and the outward guided wind O passing through the space 80. The accelerated upward guided wind U and the outward guided wind O can effectively cancel or attenuate the longitudinal vortex and the separated flow, and therefore it is possible to further reduce wind noise.

[0035] FIG. 18 is an explanatory diagram showing a fourth modified example of an automobile exterior part according to an embodiment of the present invention, where (a) is a perspective view and (b) is a front view. As shown in FIG. 18(a), the automobile exterior part 1d is provided with a main body 51 whose plate thickness increases toward the outside of the vehicle body (leftward in FIG. 18) as it approaches the rear, and a protruding part 42 protruding toward the outside of the vehicle body on an outer surface 51a of the main body 51. The protruding part 42 has a wing part 6 that slopes upward toward the rear, and is provided with an inverted L-shaped vertical wall part 72 that stands upright upward and forms a tunnel-like space 81 between the wing part 6 and the outer surface 51a of the main body 51 over the entire area in the front-rear direction of the wing part 6. The vertical wall part 72 is formed so that the space 81 narrows from the front to the rear, as shown in FIG. 18(b). The upper end of the vertical wall part 72 does not have to be in contact with the vehicle body, but it is preferable that it is in contact with the vehicle body. The outer surface 51a of the main body 51 forms the guide portion 2k and functions as a first inclined surface T1, and the wing portion 6 forms the guide portion 2h and functions as a second inclined surface T2.

[0036] FIG. 19(a) is an explanatory diagram showing the protruding width dimension of an automobile exterior part of modified example 4, (b) is an explanatory diagram showing the inclination angle of the second inclined surface, and (c) is an explanatory diagram showing the inclination angle of the first inclined surface. 19(a) from the front pillar portion P is set in the range of 1 mm≦D5≦100 mm, and preferably 10 mm≦D5≦50 mm. This allows the traveling wind to be effectively guided as the outward guided wind O and the upward guided wind U. In addition, the inclination angle α5 of the second inclined surface T2 shown in Figure 19(b) is set in the range of 1°≦α5≦89°, and preferably in the range of 10°≦α5≦45°, based on a line L1 parallel to the ground when attached to the front pillar portion P. In addition, the inclination angle θ5 of the first inclined surface T1 shown in Figure 19(c) is set in the range of 90°≦θ5≦179°, and preferably in the range of 135°≦θ5≦179°, based on a line L2 parallel to the center line connecting the front and rear of the vehicle body when attached to the front pillar portion P.

[0037] Next, the flow of wind around the automobile exterior part of the fourth modification will be described. FIG. 20 is an explanatory diagram showing the flow of wind around an automobile exterior part of the fourth modified example, where (a) shows the outward flow and (b) shows the upward flow. The automobile exterior part 1d is attached below the front pillar part P via the inner surface of the main body part 51 (to the right in FIG. 20) by a mounting means (not shown) such as double-sided tape. As shown in FIG. 20(a), the guiding part 2k guides the traveling wind W flowing along its surface to the outside of the vehicle body as outward guided wind O. On the other hand, as shown in FIG. 20(b), the guiding part 2h guides the traveling wind W flowing along its surface to the upward direction as upward guided wind U. At this time, the traveling wind W flowing from the windshield is received by the vertical wall part 72 and guided to the guiding parts 2h and 2k, so that the traveling wind W can be guided efficiently.

[0038] In addition, since the space 81 is formed so as to narrow from the front to the rear, it is possible to accelerate the upward guided wind U and the outward guided wind O passing through the space 81. The accelerated upward guided wind U and the outward guided wind O can effectively cancel or attenuate the longitudinal vortex and the separated flow, so that the wind noise can be further reduced.

[0039] FIG. 21 is an explanatory diagram showing a modified example 5 of an automobile exterior part according to an embodiment of the present invention, where (a) is a perspective view and (b) is a front view. As shown in FIG. 21(a), the automobile exterior part 1e is provided with a main body 51 whose plate thickness increases toward the outside of the vehicle body (leftward in FIG. 21) as it approaches the rear, and a protruding portion 43 protruding outward from an outer surface 51a of the main body 51. The protruding portion 43 has a wing portion 6 that slopes upward as it approaches the rear, and two straightening fins 9,9 are provided in parallel above and below the wing portion 6. In addition, an inverted L-shaped vertical wall portion 72 is provided over the entire area of ​​the wing portion 6 in the front-rear direction, which is inverted upward and forms three tunnel-like spaces 82 between the wing portion 6 and the outer surface 51a of the main body 51 together with the wing portion 6 and the straightening fins 9,9. The vertical wall portion 72 is formed so that the space 82 narrows from the front to the rear, as shown in FIG. 21(b). Furthermore, on the outer surface of the vertical wall portion 72, at positions where the flow straightening fins 9, 9 are provided on the inside, ribs R, R protruding outward in a mountain shape are provided. The outer surface 51a of the main body 51 forms the induction portion 2k and functions as the first inclined surface T1, the wing portion 6 and the straightening fins 9, 9 each form the induction portion 2h, and the upper surfaces of the ribs R, R form the induction portion 2l, all of which function as the second inclined surface T2. The position and number of the rectifying fins 9 are not limited as long as they are between the main body 51 and the vertical wall 72. In addition, the left and right edges of the rectifying fins 9 are provided in contact with either or both of the main body 51 and the vertical wall 72.

[0040] In addition, ribs R and straightening fins 9 may be appropriately provided on the outer surface 51a of the main body 51, the wing portion 6, and the vertical wall portion 72 for the purpose of straightening the wind generated during running. Instead of the ribs R and the straightening fins 9, the surface may be molded into an uneven shape. Furthermore, the cross-sectional shape of the space 82 formed by the wing portion 6 and / or the flow straightening fin 9, the vertical wall portion 72 and the outer surface 51a of the main body portion 51 can be designed to have any shape, such as a substantially circular shape other than a substantially rectangular shape.

[0041] Figure 22(a) is an explanatory diagram showing the protruding width dimension of an automobile exterior part of variant example 5, (b) is an explanatory diagram showing the inclination angle of the second inclined surface, and (c) is an explanatory diagram showing the inclination angle of the first inclined surface. 22(a) from the front pillar portion P is set in the range of 1 mm≦D6≦100 mm, and preferably 10 mm≦D6≦50 mm. This allows the traveling wind to be effectively guided as the outward guided wind O and the upward guided wind U. In addition, the inclination angle α6 of the second inclined surface T2 shown in Figure 22(b) is set in the range of 1°≦α6≦89°, and preferably in the range of 10°≦α6≦45°, based on a line L1 parallel to the ground when attached to the front pillar portion P. In addition, the inclination angle θ6 of the first inclined surface T1 shown in Figure 22(c) is set in the range of 90°≦θ6≦179°, and preferably in the range of 135°≦θ6≦179°, based on a line L2 parallel to the center line connecting the front and rear of the vehicle body when attached to the front pillar portion P.

[0042] Next, the flow of wind around the automobile exterior part of the fifth modification will be described. FIG. 23 is an explanatory diagram showing the flow of wind around an automobile exterior part of the fifth modified example, where (a) shows the outward flow and (b) shows the upward flow. The automobile exterior part 1e is attached below the front pillar part P via the inner surface of the main body part 51 (to the right in FIG. 23) by a mounting means (not shown) such as double-sided tape. As shown in FIG. 23(a), the guide part 2k guides the traveling wind W flowing along its surface to the outside of the vehicle body as outward guided wind O. On the other hand, as shown in FIG. 23(b), the guide parts 2h, 2l guide the traveling wind W flowing along its surface to the upward direction as upward guided wind U. At this time, the traveling wind W flowing from the windshield is received by the vertical wall part 72 and guided to the guide parts 2h, 2l, so that the traveling wind W can be guided efficiently.

[0043] In addition, since the space 82 is formed so as to narrow from the front to the rear, it is possible to accelerate the upward guided wind U and the outward guided wind O passing through the space 82. The accelerated upward guided wind U and the outward guided wind O can effectively cancel or attenuate the longitudinal vortex and the separated flow, so that the wind noise can be further reduced.

[0044] FIG. 24 is an explanatory diagram showing a sixth modified example of an automobile exterior part according to an embodiment of the present invention, where (a) is a perspective view, (b) is a side view, and (c) is a perspective cross-sectional view taken along line HH in FIG. 24(b). When attached to a front pillar part P, the automobile exterior part 1f includes a thick, plate-shaped main body part 52 that protrudes toward the outside of the vehicle body (to the left in FIG. 24) as shown in FIG. 22(a). In the main body part 52, a groove part 11 having a substantially V-shaped cross section is formed in an V-shape in side view from the lower front end edge to the upper rear end edge of the main body part 52 as shown in FIG. 24(b). The bottom surface 11a of the rear part of the groove 11 formed with a steep slope forms a guiding portion 2m, and as shown in Figures 24(b) and (c), it slopes upward from the front to the rear of the vehicle body and slopes outward in the left-right direction of the vehicle body, so it functions as both the first sloped surface T1 and the second sloped surface T2. The bottom surface 11b of the front part of the groove 11 formed with a gentle slope forms a guiding portion 2n and functions as the second sloped surface T2.

[0045] The cross section of the groove is not limited to a substantially V-shape, and can be appropriately changed to a substantially U-shape, a substantially C-shape, etc. In addition, by providing a plurality of protrusions or recesses on the bottom surface of the groove, the directionality of the induced airflow can be further improved.

[0046] Figure 25(a) is an explanatory diagram showing the protruding width dimension of the automobile exterior part of the present invention, (b) is an explanatory diagram showing the inclination angle of the second inclined surface, and (c) is a cross-sectional view of line II in Figure 25(b) and an explanatory diagram showing the inclination angle of the first inclined surface. 25(a) from the front pillar portion P of the automobile exterior part 1f is set in the range of 1 mm≦D7≦100 mm, and preferably in the range of 10 mm≦D7≦50 mm. This allows the traveling wind to be effectively guided as the outward guided wind O and the upward guided wind U. In addition, the inclination angle α7 of the second inclined surface T2 shown in Figure 25 (b) is set in the range of 1°≦α7≦89°, and preferably in the range of 10°≦α7≦45°, based on a line L1 parallel to the ground when attached to the front pillar portion P. In addition, the inclination angle θ7 of the first inclined surface T1 shown in Figure 25(c) is set in the range of 90°≦θ7≦179°, and preferably in the range of 135°≦θ7≦179°, based on a line L2 parallel to the center line connecting the front and rear of the vehicle body when attached to the front pillar portion P.

[0047] Next, the flow of wind around the automobile exterior part of the sixth modification will be described. FIG. 26 is an explanatory diagram showing the flow of wind around an automobile exterior part of the fifth modified example, where (a) shows an upward flow, and (b) shows an outward flow. The automobile exterior part 1f is attached to the lower part of the front pillar part P by a mounting means (not shown) such as double-sided tape via the inner surface of the main body part 52 (to the right in FIG. 26). As shown in FIG. 26(a), the guide parts 2m and 2n guide the traveling wind W that enters the groove part 11 from the opening 12 at the front end of the groove part 11 to flow upward as the upward guided wind U. On the other hand, as shown in FIG. 26(b), the guide part 2m guides the traveling wind W that flows on its surface to flow toward the outside of the vehicle body as the outward guided wind O. At this time, the upward guided wind U and the outward guided wind O pass through the inside of the groove part 11, so that they are less affected by the unguided traveling wind W, and more stable upward guided wind U and outward guided wind O can be formed, which can further reduce wind noise.

[0048] The present invention has been described above based on the illustrated examples, and the technical scope of the present invention is not limited to these. For example, a plurality of automotive exterior parts may be attached to the front pillar. In this case, parts with different shapes may be combined. Further, the automobile exterior product is preferably attached below the front pillar, but may be attached anywhere on the front pillar. The inclination of the guiding portion may be a flat surface or a curved surface. In the case of a curved surface, the inclination angle of the guiding portion is set as the angle between a reference line that is a line parallel to the ground or a line parallel to the center line connecting the front and rear of the vehicle body, and a tangent to the curved surface. Furthermore, in this specification, the second inclined surface is described as being inclined upward, but it may be inclined downward. In addition, the space formed by the wing portion, the vertical wall portion, and the front pillar portion or the main body portion may be a narrow space formed behind a wide space, and the configuration for this purpose may be designed as desired. For example, the rear of the vertical wall portion may be inclined toward the vehicle body or made thicker, or a separate member may be provided on the space side of the front pillar portion, the main body portion, or the vertical wall portion, or a different shape may be formed. In addition, in an automobile equipped with a side visor, the present invention can also be applied to the periphery of the front pillar above the side visor. Moreover, various dimensions are set within a range that does not cause any problems in terms of regulations such as road transport vehicle safety standards. [Explanation of symbols]

[0049] 1,1a,1a',1a'',1b,1c,1d,1e,1f...Automotive exterior parts, 2a,2b,2c,2d,2e,2f,2g,2h,2i,2j,2k,2l,2 m,2n...Guiding part, 40,41,42,43...Protruding part, 50,51,52...Main body part, P...Front pillar part, T1...First inclined surface, T2... Second inclined surface.

Claims

1. It can be attached to the outer surface of the front pillar of the automobile, a protruding portion that protrudes toward an outer side of a vehicle body when the front pillar portion is attached to the front pillar portion, The protruding portion is formed with two or more combined guide portions for guiding the running wind in a desired direction, Each of the guiding sections has one or more first inclined surfaces that are inclined outward in the left-right direction of the vehicle body from the front to the rear of the vehicle body to generate an outward guiding wind, and one or more second inclined surfaces that are inclined upward from the front to the rear of the vehicle body to generate an upward guiding wind, An automobile exterior part, characterized in that the first inclined surface and the second inclined surface are capable of guiding the traveling wind in a plurality of different directions.

2. The automotive exterior part as described in claim 1, characterized in that the first inclined surface or the second inclined surface is formed as a plane.

3. 3. The automobile exterior part according to claim 1, wherein the protrusion is provided on a surface of a main body that is attachable to an outer surface of the front pillar.

4. 4. The automobile exterior part according to claim 1, which is attached to an automobile equipped with a side visor.

Images