Side visor attachment structure

Abstract

To provide a side visor attachment structure which can attach a resin side visor securely and easily.SOLUTION: In a side visor attachment structure, a side visor 1 is fastened to a side door 2 of a vehicle with a bolt 5. The side visor 1 is a resin member in which a metallic spacer SP is casted in the fastening position of the bolt 5. The spacer SP includes a first spacer sp 1 and a second spacer sp2 which are laminated in the thickness direction of the side visor 1 and integrated. The first spacer sp1 and the second spacer sp2 are formed so that the contour of the first spacer sp1 and the contour of the second spacer sp2 are overlapped when viewed in a plan view.SELECTED DRAWING: Figure 3

Description

Technical Field

[0001] The present invention relates to a side visor mounting structure.

Background Art

[0002] A side visor provided on a side door of a vehicle is required to have weather resistance as an exterior part and transparency that does not obstruct the view through the door glass, so it may be formed of a resin material with high transparency and little molding perspective distortion. Such a resin side visor is generally attached to a metal side door by a double-sided tape, a clip mechanism, or a combination thereof. For example, Patent Document 1 discloses a form in which a side visor is fixed to a sash portion of a side door with a double-sided tape.

[0003] By the way, when a side visor is treated as an aerodynamic improvement part corresponding to, for example, diesel vehicle fuel consumption regulations, it is a part whose removal in the market is prohibited after being attached to the vehicle body at the factory and shipped. In this case, in a simple mounting structure such as the above-mentioned double-sided tape, the side visor can be easily detached, so a configuration that makes detachment difficult, such as bolting with a specified torque, is required.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] However, when the resin side visor is bolted at the specified torque, the stress applied to the side visor may cause deformation or cracking in the resin part. To address such problems, a means of providing a metal spacer with the same thickness as the side visor at the bolt fastening position is also conceivable. However, when using a metal spacer, the spacer may rotate together during bolt fastening, causing scratches on the surface of the side door, which may lead to rusting. In addition, there is a risk of increasing the number of parts and the assembly man-hours when attaching the side visor.

[0006] The present invention has been made based on the above circumstances, and an object thereof is to provide a side visor mounting structure capable of firmly and easily attaching a resin side visor.

Means for Solving the Problems

[0007] To achieve the above object, a side visor mounting structure according to the present invention is a side visor mounting structure for bolting a side visor to a side door of a vehicle, wherein the side visor is a resin member in which a metal spacer is integrally formed by casting at the bolt fastening position, and the spacer includes a first spacer and a second spacer laminated and integrated in the thickness direction of the side visor, and the contour of the first spacer and the contour of the second spacer intersect with each other when viewed in plan.

[0008] According to the side visor mounting structure of the present invention, since a metal spacer is integrally formed by casting at the bolt fastening position of the resin side visor, the risk of damage to the resin part of the side visor due to the bolt fastening torque can be reduced. Moreover, the spacer includes the laminated first spacer and second spacer, and the co-rotation with the bolt is suppressed, and even if a gap is formed between the resin part of the side visor, it has a shape that does not detach, so the number of parts and the assembly man-hours when attaching the side visor can be reduced. Therefore, according to the present invention, a side visor mounting structure capable of firmly and easily attaching a resin side visor can be provided.

Brief Description of the Drawings

[0009]

Figure 1

Figure 2

Figure 3

Figure 4

Modes for Carrying Out the Invention

[0010] Hereinafter, embodiments will be described in detail with reference to the drawings. It should be noted that the present disclosure is not limited to the content described below, and can be arbitrarily modified and implemented without changing the gist thereof. In addition, the drawings used in the description of the embodiments schematically show the constituent members, and partial emphasis, enlargement, reduction, or omission is performed to deepen the understanding, and the scale, shape, etc. of the constituent members may not accurately represent the actual situation.

[0011] FIG. 1 is an exploded perspective view of a side door 2 to which a side visor 1 according to the present invention is attached. More specifically, FIG. 1 is an exploded perspective view of the main configuration of the left side door 2 in a vehicle such as a diesel truck as viewed from the left front of the vehicle.

[0012] The side visor 1 is a member having an aerodynamic improvement performance in addition to the visor function, and in addition to the weather resistance as an exterior part, transparency is required so as not to obstruct the view through the door glass. For this reason, the side visor 1 is entirely formed of an ABS resin having high transparency and little molding perspective distortion except for the bolt fastening portion described later.

[0013] The side door 2 is composed of an inner panel 3 and an outer panel 4 made of three-dimensionally formed sheet metal. Here, other common components such as door glass and door handles are omitted from illustration and description.

[0014] The bolt 5 is a metal member for fixing the side visor 1 to the side door 2, and in this embodiment, it is provided at three locations. Each bolt 5 passes through through-holes formed in the side visor 1, the outer panel 4, and each of the brackets 6 provided on the inner panel 3, and is fastened to a nut 7 (not shown in FIG. 1. See FIG. 2). The bolt 5 is formed with a specification that it cannot be easily detached in the market and is fastened with a specified torque to achieve sufficient fastening strength.

[0015] The bracket 6 is formed by three-dimensionally bending a strip-shaped metal so that the flat portions at both ends are in surface contact with the outer surface of the inner panel 3 (the surface facing the outer panel 4), and the central flat portion is in surface contact with the inner surface of the outer panel 4 (the surface facing the inner panel 3). And each of the three brackets 6 has the flat portions at both ends welded to the inner panel 3 at the three fastening positions of the bolt 5.

[0016] FIG. 2 is a cross-sectional view at the bolt fastening position of the side visor mounting structure. More specifically, FIG. 2 is a cross-sectional view showing the cross-section at the position indicated by A-A in FIG. 1 in a state where the side visor 1 is attached to the side door 2.

[0017] The side visor 1 has a recessed portion RE projecting toward the side door 2 from a cross-sectionally streamlined curved surface having a visor function so as to be in surface contact with the outer panel 4 at the bolt fastening position. The bolt 5 passes through a through-hole formed in the bottom surface of the recessed portion RE, a through-hole in the outer panel 4, and a through-hole in the bracket 6, and is fastened to the nut 7 so as to sandwich these members. The side visor 1 is formed with a smooth streamlined outer surface by sealing the recessed portion RE with a cover CV after fastening the bolt 5.

[0018] Here, if the side visor 1 were formed of a resin material even around the through holes at the bolt fastening positions, when the bolt 5 is fastened with a predetermined torque, the resin material would not be able to withstand the torque and would be damaged, such as being deformed or cracked. Therefore, in the side visor 1 according to the present invention, a metal spacer SP is integrally formed by casting at the bolt fastening positions.

[0019] FIG. 3 is an exploded cross-sectional view of the bolt fastening position of the side visor 1 and a configuration diagram of the spacer SP. In the present embodiment, the spacer SP is made of a metal material and includes a first spacer sp1 and a second spacer sp2 having the same shape. Further, in the present embodiment, the first spacer sp1 and the second spacer sp2 have a square contour in plan view, and through holes through which the bolt 5 is inserted are formed at the centers thereof.

[0020] Furthermore, the first spacer sp1 and the second spacer sp2 are integrated by being adhered or welded in a state where their angles are shifted by a 45° phase difference with the through holes as the centers of rotation. At this time, the thicknesses of the first spacer sp1 and the second spacer sp2 are set so that the thickness of the spacer SP is substantially the same as the thickness of the side visor 1.

[0021] Here, the side visor 1 is formed by melting a resin serving as a material at a high temperature and pouring it into a mold. At this time, the spacer SP is previously arranged at a portion corresponding to the bolt fastening position in the mold. As a result, the spacer SP is integrally formed by casting in the side visor 1 after cooling and hardening.

[0022] Then, the side visor 1 is bolt-fixed via the spacer SP in a state of being in contact with the outer panel 4 when the side door 2 is assembled. Therefore, even when a predetermined torque of sufficient strength is applied to the bolt 5, the metal spacer SP receives the predetermined torque, thereby reducing the risk of damage to the resin portion of the side visor 1. Although not an essential configuration of the present invention, as shown in FIG. 3, the bolt 5 may be fastened via a washer WS.

[0023] Figure 4 is a schematic diagram showing the resin state of the side visor 1 around the spacer SP. More specifically, Fig. 4(A) is a plan view when the bolt fastening position of the side visor 1 is viewed from the outer panel 4 side.

[0024] When the side visor 1 is formed, the high-temperature resin material poured into the mold flows in so as to fill the periphery of the spacer SP. On the other hand, during cooling and hardening, since the resin material shrinks slightly, a slight gap G is generated between the outer peripheral surface of the spacer SP. In Fig. 4, the size is emphasized so that the gap G can be visually recognized.

[0025] The shape of the gap G depends on the difference in the cooling and hardening rate of each part of the resin material. In the present embodiment, when viewed in plan, since the contour of the first spacer sp1 is square, the distance d2 from the bolt hole to the corner is longer than the distance d1 from the bolt hole to the side. For this reason, the resin material has less heat remaining near the linear end portions than near the four corners of the first spacer sp1 and hardens and shrinks at a relatively early stage. As a result, in the cast-in portion of the first spacer sp1 of the side visor 1, a gap G having the shape shown in Fig. 4 is formed around the first spacer sp1, and the first spacer sp1 is separated from the resin portion.

[0026] However, as described above, the spacer SP has a phase difference between the first spacer sp1 and the second spacer sp2, and thus, as shown in Fig. 4(B), the contour of the first spacer sp1 and the contour of the second spacer sp2 intersect each other when viewed in plan. Here, the contour of the second spacer sp2 is transparently shown by a broken line.

[0027] Therefore, the second spacer sp2 is restricted so that it cannot move away toward the outer panel 4 through the gap G formed around the first spacer sp1. Similarly, the first spacer sp1 is restricted so that it cannot move away toward the washer WS through the gap G formed around the second spacer sp2. Accordingly, the spacer SP formed by integrating the first spacer sp1 and the second spacer sp2 is held at the bolt fastening position of the side visor 1 so as not to move away while allowing a slight displacement, so that the number of parts and the assembly man-hours at the time of attaching the side visor 1 can be reduced.

[0028] Here, due to the fact that the outer panel 4 has a three-dimensional composite curved surface shape and there are variations in the resin molding distortion in the concave portion RE of the side visor 1, the outer panel 4 and the side visor 1 may not be in surface contact at the bolt fastening position. However, since the spacer SP has a degree of freedom within the slight gap G formed in the resin portion of the side visor 1, the angle follows so as to be in surface contact with the surface of the outer panel 4, and the two can be stably bolted. Further, thereby, the side visor 1 can reduce the risk of being fastened under stresses in different directions at the three bolt fastening positions, so that the residual stress load due to torsional fixing can be suppressed.

[0029] Furthermore, since the outer shape of the spacer SP is not circular in the cross-section perpendicular to the thickness direction of the side visor 1, the spacer SP does not rotate together with the bolt 5, so that the risk of causing scratches on the surface of the outer panel 4 and rusting can be reduced.

[0030] As described above, in the side visor mounting structure according to the present invention, since the metal spacer SP is cast and formed at the bolt fastening position of the resin side visor 1, it is possible to reduce the risk of damage to the resin part of the side visor 1 due to the torque of bolt fastening. Moreover, the spacer SP includes the laminated first spacer sp1 and second spacer sp2, and while co-rotation with the bolt 5 is suppressed, and since it has a shape that does not come off even if a gap G is formed between it and the resin part of the side visor 1, it is possible to reduce the number of parts and the assembly man-hours when attaching the side visor 1. Therefore, according to the present invention, it is possible to provide a side visor mounting structure capable of firmly and easily attaching the resin side visor 1.

[0031] With the above, the description of the embodiment ends, but the present invention is not limited to the above-described embodiment. For example, in the above embodiment, the first spacer sp1 and the second spacer sp2 are exemplified as having the same square shape in plan view, but they may have different shapes and dimensions from each other. Also,

Explanation of Signs

[0032] 1 Side visor 2 Side door 3 Inner panel 4 Outer panel 5 Bolt 6 Bracket 7 Nut RE Recess CV Cover SP Spacer sp1 First spacer sp2 Second spacer WS Washer G Gap

Claims

【Claim 1】 A side visor mounting structure for bolting a side visor to a side door of a vehicle, wherein the side visor is a resin member in which a metal spacer is cast and formed at a bolt fastening position, the spacer includes a first spacer and a second spacer laminated and integrated in the thickness direction of the side visor, and the contour of the first spacer and the contour of the second spacer intersect each other when viewed in plan, the side visor mounting structure.

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