Rear spoiler for a vehicle

Abstract

The utility model provides a kind of rear spoiler that inhibits the turbulence of airflow around vehicle and reduces the possibility of falling during angle adjustment of the wing part of rear spoiler.The wing part (14) of rear spoiler (12) is supported by supporting part (16) via fixed position support structure (18) and adjustment support structure (20) at its both ends.The fixed position support structure and adjustment support structure are configured inside the vehicle width direction of supporting part.The fixed position support structure includes bonding flange (22) arranged on the wing part, and the adjustment support structure includes support bar (28) as the part of bonding flange extending rearward and support bracket (30) fixed on the inner side of the vehicle width direction of the side of supporting part.Angular adjustment long hole (32) and brace receiving opening (50) receiving support bar are formed on the support bracket.The falling of wing part is prevented by the support bar hooked on the lower edge of brace receiving opening.

Description

Technical Field

[0001] This utility model relates to a rear spoiler installed at the rear of a vehicle body. Background Technology

[0002] In vehicles, especially automobiles, aerodynamic accessories are sometimes installed at the rear of the vehicle body to generate downforce. Patent Document 1 below shows a rear spoiler fixed to the upper surface of a trunk lid (1) as an aerodynamic accessory. This rear spoiler includes a wing (spoiler body 9) extending in the left-right direction of the vehicle and a support portion (side portion 2) supporting the wing (9) at both ends. A recess (5) is formed on the outer surface of the support portion (2) in the vehicle width direction. The wing (9) is fixed to the support portion (2) by bolts (15) passing through mounting holes (7, 8) formed at the bottom of the recess (5) from the outer surface in the vehicle width direction. The wing (9) is fixed to its leading edge using either of the two mounting holes (7) formed in the support portion (2), thereby allowing adjustment of the mounting angle relative to the vehicle's front-rear direction. Furthermore, the component names and symbols in parentheses above are used in Patent Document 1 below and are unrelated to the component names and symbols used in the description of the embodiments of this application.

[0003] Prior art literature

[0004] Patent documents

[0005] Patent Document 1: Japanese Patent Application Publication No. 11-208531 Utility Model Content

[0006] The problem to be solved by the utility model

[0007] The unevenness of the outer surface of the rear spoiler support in the vehicle width direction can affect the turbulence of airflow around the vehicle. Furthermore, the spoiler may detach if the bolts are pulled out to adjust its angle.

[0008] The purpose of this invention is to suppress airflow turbulence around a vehicle and reduce the possibility of wing detachment during wing angle adjustment.

[0009] Methods for solving problems

[0010] The rear spoiler of this utility model comprises: a wing extending in the left-right direction of the vehicle; two support portions erected on the left and right sides of the vehicle body, respectively supporting the left and right ends of the wing; a fixed-position support structure supporting the wing at a fixed position on the support portions; and an adjustable support structure supporting the wing at a position on the support portions away from the support position of the fixed-position support structure in the front-rear direction of the vehicle, at a support position adjustable in the vertical direction of the vehicle. The fixed-position support structure includes: a connecting flange disposed at the end of the wing; and a first fastening bolt fixing the connecting flange from the inside in the vehicle width direction to the side of the support portion on the inside of the vehicle width direction. The adjustment support structure includes: a support bar, which is a rearwardly extending portion of the connecting flange; a support bracket, which is fixed to the side of the support portion on the inner side in the vehicle width direction and has angle adjustment holes extending or arranged in the vertical direction of the vehicle and a support bar receiving opening for receiving the support bar; a second fastening bolt, the shaft of which passes through the angle adjustment holes; and a fastening nut, which is threadedly engaged with the second fastening bolt inserted from the inner side in the vehicle width direction, thereby cooperating with the second fastening bolt to clamp and fix the support bar and support bracket that pass through the support bar receiving opening.

[0011] The connecting flange at the end of the wing is fixed from the inside in the vehicle width direction to the inner side of the support portion and the support bracket fixed to the inner side of the support portion by the first and second fastening bolts, thereby enabling the structure for fixing the wing to be positioned on the inner side of the support portion in the vehicle width direction. This makes the outer surface of the support portion in the vehicle width direction smooth. Furthermore, because a support bar, which is part of the connecting flange on the wing, passes through a support bar receiving opening formed on the support bracket fixed to the support portion, the support bar remains hooked to the support bracket even when the second fastening bolt is removed.

[0012] Utility Model Effect

[0013] By smoothing the outer surface of the support portion in the vehicle width direction, turbulence in the airflow around the vehicle is suppressed. Furthermore, even with the second fastening bolt removed, the possibility of the wing detaching from the support portion is reduced by the support bar hooking onto the support bracket. Attached Figure Description

[0014] Figure 1 This is a diagram showing the general structure of the rear baffle.

[0015] Figure 2 A perspective view showing the structure supporting the wing of the rear spoiler.

[0016] Figure 3A cross-sectional view showing the structure supporting the wing of the rear spoiler.

[0017] Figure 4 This diagram illustrates a support bracket equipped with an elastic retaining plate. Detailed Implementation

[0018] The embodiments of this utility model are described below with reference to the accompanying drawings. In the following description, unless otherwise specified, terms indicating relative position and orientation (front, back, left, right, up, down, etc.) refer to relative position and orientation related to the vehicle. Furthermore, the side closer to the centerline extending along the vehicle's front-rear direction in the left-right direction (width direction) is referred to as the inner side in the vehicle's width direction, and the side farther away is referred to as the outer side in the vehicle's width direction. In the various figures, the arrow marked FR points forward, the arrow marked UP points upward, the arrow marked LH points to the left, and the arrow marked OUT points to the outer side in the vehicle's width direction.

[0019] Figure 1 This diagram shows a rear spoiler 12 installed at the rear of a vehicle body 10, such as an automobile. Figure 1 The left end of the rear spoiler 12 is shown in the diagram. The right end has a structure symmetrical to the left. The rear spoiler 12 has a wing 14 extending in the left-right direction and a support portion 16 erected on the left and right sides of the vehicle body 10 and supporting the left and right ends of the wing 14. The wing 14 and the support portion 16 can be made of resin such as carbon fiber reinforced plastic or ABS resin. The wing 14 is a plate shape that is relatively long and flat in the left-right direction, and the shape of the cross section orthogonal to the left-right direction can be an airfoil. The rear spoiler 12 is positioned slightly higher than the roof of the vehicle body 10 at the rear. The wing 14 is supported by the support portion 16 at two separate points in the front-rear direction. The wing 14 is supported in a fixed position near the leading edge and in a support position that can be adjusted in the vertical direction near the trailing edge. The structure that supports the wing 14 in a fixed position near the leading edge is called a fixed position support structure 18, and the structure that supports the wing 14 in a vertically adjustable manner near the trailing edge is called an adjustable support structure 20.

[0020] A connecting flange 22 is provided downward at the end of the wing 14. The connecting flange 22 is fixed to the support portion 16 by two fastening bolts 24 and 26, thereby fixing the wing 14 to the support portion 16. The fastening bolt 24 located on the front side is referred to as the front fastening bolt 24, and the fastening bolt 26 located on the rear side is referred to as the rear fastening bolt 26. The front fastening bolt 24 and the rear fastening bolt 26 fix the connecting flange 22 to the support portion 16 from the inside in the vehicle width direction. The front fastening bolt 24 and the structure around it constitute the fixed position support structure 18, and the rear fastening bolt 26 and the structure around it constitute the adjustment support structure 20. The adjustment support structure 20 includes a support bar 28 that extends rearward as the connecting flange 22 and a support bracket 30 fixed to the support portion 16. An angle adjustment hole is provided on the support bracket 30 for adjusting the angle of attack of the wing 14 relative to the front-rear direction. The angle adjustment hole can be, for example, an elongated hole 32 extending in a generally vertical direction. The shaft of the rear fastening bolt 26 passes through this angle adjustment hole 32. The rear fastening bolt 26 can fix the support bar 28 to the support bracket 30 at any position along the angle adjustment hole 32. By adjusting the fixed position of the support bar 28, the angle of attack of the wing 14 relative to the front-rear direction is adjusted. The connecting flange 22 can be made of metal plates such as stainless steel, ordinary steel, or aluminum.

[0021] Figure 2 as well as Figure 3 A diagram showing the details of the fixed-position support structure 18 and the adjustable support structure 20. Figure 2 This is a perspective view showing the state with the support 16 removed, with the assembled state shown in the upper right area and the disassembled state shown in the lower left area. Figure 3 The diagram shows the cross-section through the two fastening bolts 24 and 26, and together with the overall cross-section of the support 16, it shows an enlarged cross-section of the fixed position support structure 18 and the adjusting support structure 20.

[0022] The fixed-position support structure 18 includes: a flange front through hole 34 formed at the front end of the connecting flange 22 and a fixed-position through hole 36 formed on the support portion 16; and a front fastening bolt 24 passing through these through holes 34 and 36. The fixed-position support structure 18 may include a front fastening nut 38 fixed in the fixed-position through hole 36, and may also include a flanged collar 40 disposed in the flange front through hole 34 for the front fastening bolt 24 to pass through. The front fastening nut 38 may be a self-locking nut, which, upon initial thread engagement with the front fastening bolt 24, plastically deforms the head end of the front fastening bolt 24 to engage with the periphery of the fixed-position through hole 36, thereby fixing it to the support portion 16. Even if the front fastening bolt 24 is pulled out from this state, the front fastening nut 38 will not fall off the support portion 16 and will remain fixed to the support portion 16.

[0023] The fixed-position through-hole 36 is a round hole, and the position of the front fastening nut 38 connected to it is fixed at a fixed position on the support portion 16. Furthermore, the flange front through-hole 34 is also a round hole, and the front fastening bolt 24, connected to the front fastening nut 38, fixes the connecting flange 22 to the support portion 16 in a fixed position by fixing the flange front through-hole 34. Therefore, the leading edge of the wing 14 is supported by the support portion 16 in a fixed position.

[0024] The adjustment support structure 20 includes a support bar 28, a support bracket 30 fixed to the side of the support portion 16, particularly its inner side in the vehicle width direction, a rear fastening nut 42 fixed to the support bar 28, and a rear fastening bolt 26 threadedly engaged with the rear fastening nut 42. The support bar 28 is approximately L-shaped when viewed from above, and the rear fastening nut 42 is fixed to the plate portion at its top, which is orthogonal to the left-right direction. The rear fastening nut 42 is located on the outer side of the support bar 28 in the vehicle width direction, forming a protrusion on the support bar 28. The rear fastening nut 42 can be the same self-locking nut as the front fastening nut 38.

[0025] The support bracket 30 is formed by bending a metal plate such as stainless steel plate, ordinary steel plate, or aluminum plate into a roughly crank shape when viewed from above. The support bracket 30 includes a plate-shaped portion orthogonal to the left-right direction, namely a bracket front portion 44 and a bracket rear portion 46, and a plate-shaped portion connecting them and orthogonal to the front-back direction, namely a bracket connecting portion 48. The bracket front portion 44 is located further outward in the vehicle width direction than the bracket rear portion 46. The bracket front portion 44 is fixed to the bottom of an inner side recess 49 formed on the side of the support portion 16 in the vehicle width direction. The support bracket 30 is disposed within the inner side recess 49, and the bracket rear portion 46 may be configured not to protrude from the side of the support portion 16 in the vehicle width direction. The bracket rear portion 46 is located at a distance spaced from the bottom surface of the inner side recess 49. An angle adjustment elongated hole 32 extending substantially in the vertical direction is formed on the bracket rear portion 46. More specifically, the angle adjustment elongated hole 32 extends along an arc centered on the fixed position through hole 36 of the fixed position support structure 18.

[0026] A support bar receiving opening 50 for receiving the support bar 28 is formed on the bracket connection part 48. For example... Figure 2 As shown in the upper right region, the support bar 28 passes through the support bar receiving opening 50 and extends to a position parallel to the rear part 46 of the bracket. The shaft portion of the rear fastening bolt 26 passes through the angle adjustment elongated hole 32 and is threadedly engaged with the rear fastening nut 42 fixed to the support bar 28. By threading the rear fastening bolt 26 and the rear fastening nut 42 together, the support bar 28 and the rear part 46 of the bracket are clamped together and fixed to each other. The angle (angle of attack) of the wing 14 relative to the front-rear direction is determined according to the position of fixing the support bar 28. A narrowing portion is formed in the angle adjustment elongated hole 32 at predetermined intervals along its length direction, and the rear fastening nut 42 can fix the support bar 28 at any position defined by the narrowing portion along the angle adjustment elongated hole 32. Furthermore, by making the angle adjustment elongated hole 32 a simple elongated hole without the narrowing portion, the support bar 28 can be fixed at any position along the elongated hole. In this case, the angle of the wing 14 can be continuously adjusted.

[0027] The angle of the wing 14 can be adjusted by loosening the front fastening bolt 24 and pulling out the rear fastening bolt 26. When the rear fastening bolt 26 is pulled out, the support bar 28 hooks onto the lower edge of the support bar receiving opening 50 of the support bracket 30 to prevent the wing 14 from falling off.

[0028] A support bar anti-detachment portion 52 is formed at the lower corner of the support bar receiving opening 50 on the outer side in the vehicle width direction to prevent the support bar 28 from falling off the support bar receiving opening 50. The support bar anti-detachment portion 52 is formed on the same surface as the bracket connection portion 48. By forming the support bar anti-detachment portion 52, the width of the support bar receiving opening 50 in the left-right direction is wider at the top and narrower at the bottom. The width at the top is set to allow the support bar 28, to which the rear fastening nut 42 is fixed, to pass through, while the width at the bottom is set to prevent the support bar 28 from passing through, so that the rear fastening nut 42 hooks onto the support bar anti-detachment portion 52. Thus, even when the front and rear fastening bolts 24 and 26 are pulled out, the wing portion is prevented from falling off by the rear fastening nut 42 hooking onto the support bar anti-detachment portion 52 of the support bracket 30.

[0029] Figure 4 The diagram illustrates how an elastic retaining piece 54 is provided on the support bracket 30 to hold the support bar 28 in a hooked state. The elastic retaining piece 54 is provided at the upper edge of the support bar anti-detachment portion 52 of the support bracket 30, extending upwards and rearwards from this upper edge. The elastic retaining piece 54 can be made of resin or spring steel. When the support bar 28 is received, the elastic retaining piece 54 deforms, allowing the rear fastening nut 42 to pass through, and then elastically returns to its original position. The elastic retaining piece 54 uses spring force to hold the rear fastening nut 42 in the hooked position with the support bar anti-detachment portion 52, thereby preventing the support bar 28 from falling off the support bracket 30.

[0030] As an angle adjustment hole component, an angle adjustment hole array consisting of multiple holes, such as round holes, arranged in a generally vertical direction can be used instead of the angle adjustment elongated hole 32. By selecting a hole through which the rear fastening bolt 26 passes, the position of the support bar 28 relative to the support bracket 30 can be adjusted. The angle adjustment hole array is arranged along an arc centered on the fixed position through hole 36.

[0031] The rear fastening nut 42 can also be an embedded nut. Specifically, a cylindrical portion protruding outward in the vehicle width direction is formed on the support bar 28, and an embedded nut is pressed into and fixed at this cylindrical portion. The cylindrical portion formed on the support bar 28 functions as a protrusion that hooks onto the support bar anti-detachment part 52.

[0032] The rear deflector 12 described above adjusts the angle of the wing 14 by changing the support position of the rear side of the wing 14 in the vertical direction. However, the fixed support structure 18 and the adjusting support structure 20 can also be swapped to adjust the angle by changing the support position of the front side.

[0033] By providing the fixed-position support structure 18 and the adjusting support structure 20 on the inner side of the support portion 16 in the vehicle width direction, the outer side of the support portion 16 in the vehicle width direction can be formed with a smooth surface. This suppresses turbulence in the airflow around the vehicle body.

[0034] Symbol Explanation

[0035] 12… Rear spoiler; 14… Wing; 16… Support; 18… Fixed position support structure; 20… Adjustment support structure; 22… Connecting flange; 24… Front fastening bolt (first fastening bolt); 26… Rear fastening bolt (second fastening bolt); 28… Support bar; 30… Support bracket; 32… Angle adjustment elongated hole (angle adjustment hole requirement); 34… Flange front end through hole; 36… Fixed position through hole; 38… Front fastening nut; 42… Rear fastening nut; 50… Support bar receiving opening; 52… Support bar anti-detachment part; 54… Elastic retaining plate.

Claims

1. A rear spoiler of a vehicle which is installed at a rear portion of a vehicle body, characterized by, have: Wings, which extend in the left and right directions of the vehicle; Two support parts are erected on the left and right sides of the vehicle body, and respectively support the left and right ends of the wing. A fixed-position support structure supports the wing at a fixed position on the support portion; The support structure is adjusted to support the wing at a position on the support portion that is away from the support position of the fixed support structure in the vehicle's longitudinal direction, in a support position that can be adjusted along the vehicle's vertical direction. The fixed-position support structure includes: A flange is provided at the end of the wing portion; The first fastening bolt secures the connecting flange from the inside of the vehicle width direction to the side of the support portion on the inside of the vehicle width direction. The adjusting support structure includes: Support bar, which is the rearward extension of the connecting flange; The support bracket is fixed to the side of the support portion inside the vehicle width direction and has angle adjustment holes extending or arranged in the vertical direction of the vehicle and a support bar receiving opening for receiving the support bar. The second fastening bolt has its shaft penetrating the angle adjustment hole. A fastening nut, which is threadedly engaged with a second fastening bolt inserted from the inside in the vehicle width direction, thereby cooperating with the second fastening bolt to clamp and fix the support bar and the support bracket that pass through the support bar receiving opening.

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