JP6164594B1 - A front pillar of a vehicle made of a transparent material that does not obstruct the field of vision and encapsulating a core material, and a manufacturing method thereof - Google Patents

Abstract

A front pillar that increases the field of view of a driver is provided. A front pillar 1 is made of a transparent material in order to ensure visibility. When organic materials such as resin are used, there is a risk of sudden deterioration or breakage due to their characteristics. By attaching metal caps on both sides via cushioning materials 12 and 13 such as rubber and fastening them with screws 15 on the outside, they are strengthened and unitized. The above is screwed to the main body via the main body connection plate 22 so that partial attachment / detachment can be performed. [Selection] Figure 4

Description

The present invention relates to a structure of a front peer at an end of a vehicle front undo shield.
More specifically, the present invention relates to a structure of a front pillar that has a structural durability and is formed of a transparent material, thereby increasing the driver's field of view as compared with the conventional structure.

There have been many proposals to eliminate the metal front pillars of conventional automobiles and make them transparent.
(Patent Documents 1, 2, and 3)

There is also a proposal to enclose a rod-shaped rigid member in a transparent material and mold it together with the front window shield (Patent Document 4).

  FIG. 1-1 is a cross-sectional view of a conventional front pillar. The front pillar includes an inner member 101, a reinforcing member 102, and an outer member 103. There is a flat portion (flange portion) for joining at each end portion, which is welded to give a cylindrical structure and have strength. In the illustrated drawing, an adhesive for attaching the glass of the front undo shield 10 is applied to the front flange portion, and black ceramic coating is applied to the portion of the glass so that the portion cannot be seen. Although a front side window is provided behind the front pillar, an adhesive and black ceramic coating are applied to the rear flange portion of the structure in the same manner as described above.

  Japanese Utility Model Publication No. 64-21070   JP 2001-26283 A   JP2013-75661A   JP 2007-196749

  As explained in the prior art, in order to connect the front side window or the weather strip of the front door or the glass rail to the front of the front pillar behind the front windshield without gaps, it is necessary to adhere Black ceramic coating is necessary to conceal it, and even if the front pillar is made of a transparent material, the field of view is blocked and it is difficult to widen the field of view.

  In addition, since resin such as polycarbonate is an organic material, it is inferior in weather resistance compared to glass and steel materials, especially when used as a vehicle exterior material, due to vibration, impact, or deterioration due to ultraviolet rays due to traveling, fine mesh cracks, Sudden breakage or yellowing may occur, and the reliability as a structural material to which a load is applied is inferior to that of steel. If the resin front pillar breaks due to vehicle running vibration, there is no way to keep the shape, and the thin front window shield will be deformed, causing its total collapse, and there is a risk of significantly impairing running safety.

  Regarding the proposals in Documents 1 to 3, since the connection part of the part attached to the front pillar is small and is performed only by adhesion, there is a concern about the problem of peeling, and there are water-stopping and structural safety problems.

  In the proposal of Literature 4, the above structural problem is taken into consideration as shown in FIG. 1-2, but since the resin portion 105 is not overloaded, the rigid member 104 is large and the field of view is not sufficiently expanded. In addition, there remains a question as to whether the front pillar (104 + 105) and the front window shield 106, which are preconditions for expanding the field of view, can be integrally formed. Further, in order to improve the weather resistance, the glass 105 is pasted with the transparent material 109, but there remains a problem as to whether it is possible to closely adhere a separately molded large resin and a glass plate.

Means to solve the problem

(1) A structure having a front pillar on the left and right sides of a front windshield of a vehicle, in which a core made of a wire material that is strong against tensile force for supporting the front front pillar is built in and made of a transparent material.

According to the invention of (1), the pillar part can be seen through, the driver's field of view can be expanded, and the core material and the transparent material are integrally molded so that the transparent material that is strong against compression and the core that is strong against tensile force. The materials are comprehensively engaged and can resist various external forces, and can resist vibrations and shocks caused by running of the vehicle.

(2) The front pillar structure according to claim 1, wherein the core material is integrally formed with a sheath tube.

According to the invention of (2), since it is integrally formed in claim 1, it is possible to prevent the transparent material and the core material from being in close contact and applying a partial load to the change due to heat or the like.

(3) The core material which put the elastic body for buffering at the both ends of the transparent material of the front pillar structure of Claim 1 thru | or 2, puts a metal cap, makes a hole in the cap, and let it pass through the structure The front pillar structure is made by protruding the end of and screwing it from both ends.

According to the invention of (3), as shown in FIG. 2-3, the transparent material is tightened from the outside of the metal cap via the elastic body at both ends thereof. The transparent material can be broken by external force, but when it is not stopped at both ends, the core material is shifted in the transparent material and cannot keep the shape, but as shown in Fig. 2-3 As long as the core material is not broken, the transparent material can resist the compressive force, and the core material can bear the tensile force so that the outer shape can be retained.

(4) With regard to the front pillar structure according to claims 1 to 2 to 3, an accessory such as a front windshield to be connected to the front pillar, a weatherstrip with the front door, or a glass rail is attached to the front pillar. A front pillar structure in which a support is attached to the core material so that it is not only bonded but also mechanically stopped.

According to the invention of (4), since it can be surely stopped with a small area rather than being stopped with an adhesive, the portion that obstructs the visual field can be reduced by applying a caulking material for water stoppage.

In this front pillar , a metal plate is attached to a metal cap provided at both ends of a transparent material, and a screw hole is provided there to be fastened to a structure of a vehicle body.

Thereby, only the front pillar can be attached and detached. In order to expand the field of view, an organic material such as a resin is used, which increases the possibility of problems in weather resistance. In addition, since it is the frontmost part of an automobile, it is easily damaged, and since it is a transparent material, conventional repairs such as polishing and repainting cannot be performed. If the front window shield is integrated as in Document 4, the replacement is not easy, but if only the pillar part is replaced as in the present invention, it is convenient because only the seal needs to be repaired.

(5) The front pillar structure according to any one of claims 1 to 4, wherein a cross section of the transparent material is a substantially concave lens.

(5) As shown in FIG. 10, by making the vehicle inner side of the front part of the core material into a concave curved surface and making it into a prism shape, the field of view wider than the flat glass can be collected by refraction. A part of the visual field that is lost due to the core material can be recovered.

  The front window shield is in front of the driver's seat at the front of the vehicle, and the front pillars are at the left and right ends. This time, the present invention makes the driver's field of view by making this part of a transparent material containing the core material. The purpose is to make it larger.

  The center pillar 6 of FIG. 3 and the subsequent roof base 9 are reinforced. The base from the lower front door 7 to the cowl top 11 at the front of the driver's seat is reinforced. Although the load share of the front pillar is reduced compared to the conventional load, the U-shaped base around the front door is reinforced by the amount corresponding to it.

  FIG. 4 is a developed view of the side of the driver's seat, and FIG. 5 is a cross-sectional view thereof. The transparent material has a substantially trapezoidal cross-sectional shape, and is diagonally continuous from the bottom of the roof to the cowl top with substantially the same cross-section. The front is connected to the front windshield 10 and the rear is in contact with the front frame 21 of the front door via a weather strip for water stop.

  The front pillar is made of transparent material. The transparent material is assumed to be a transparent polycarbonate, but the glass material is also difficult to mold, but it may be a material because of the robustness of the surface and the transparency of the member.

  The core material of the front pillar may be a metal rod, a metal wire, or a resin rod-shaped member. It becomes a member that bears a tensile force against a transparent material that bears a compressive force.

  Here, the concept of reinforced concrete will be described. In reinforced concrete columns, the concrete part bears compressive force, and the reinforcing bar bears tensile force, and comprehensively responds to external forces such as compression and tension. Specifically, as shown in Fig. 2-1, against the external force A that tries to break the column of reinforced concrete, the resistance inside the fold is BB so that the concrete does not collapse against the compressive force, and the outside is the tensile force CC To prevent the rebar from breaking and opening the mouth greatly in the bending direction.

  As with reinforced concrete, the transparent material alone can maintain its shape even if it is cracked and damaged once. Conversely, when a large force is applied only with a thin core material, it will bend and the shape will be crushed. Think of it as a comprehensive structural material. The content of this part of the proposal is different from that of Document 4. In the case of Document 4, the load is borne by the rigid member, and the transparent material does not bear the load. Since the core bears the compressive force, the cross section becomes large, and the effect of expanding the field of view is poor. When a heavy object is supported from below, a rigid body with a large cross section is required, but the same idea is that a thin wire is sufficient for pulling up.

  The configuration of the front pillar will be described with reference to FIGS. The front pillar 1 is made of a transparent material including a core material 14. The core material may be set in a mold at the time of molding and integrally molded, or a transparent sheath plastic may be charged at the time of molding, and the core material may be inserted after the pillar or front frame is created.

  In FIG. 4, a cushioning material made of hard rubber (upper part 12 and lower part 13) of about 7 mm is arranged at both ends of the front pillar, and a metal cap (upper part 2 and lower part 3) of about 70 mm is placed. A hole is made in a metal cap, both ends of the core material are taken out from there, and screwed 15. As a result, some external pressure is absorbed by the rubber to prevent the resin material from being damaged.

  The reason for attaching the metal cap and screwing both ends of the core from the outside is that if the core is not fixed at both ends as shown in Fig. 2-2, the core will shift when the transparent material is damaged. This is because the tensile force of the core material to be exhibited may not work. When the transparent material is damaged, the surface may be covered with a film in order to prevent debris from scattering or to prevent the surface from being damaged.

  Plates (upper part 22 and lower part 23) are attached to the metal cap, and the upper part is screwed to the roof base and the lower part is screwed to the upper part of the cowl part so that replacement can be easily performed. In order to expand the field of view, we have proposed a plastic front pillar, which is more easily damaged than conventional metal pillars, and when it is damaged, it cannot be repaired or repainted. Therefore, it can be easily exchanged, and the connection of other parts is not bonded, but is mechanically stopped as described later, and only the replacement of the sealing material for water-stopping of the joint part is handled.

  FIG. 7 is a view showing the fittings of the front door upper frame. The front pillar mounting hardware 22 is mounted on the roof base 9. A spacer 26 and a weather strip 27 for water stop are installed on the front door frame so as to oppose each other.

  There is a notch for connecting the glass of the front windshield 10 in front of the front pillar. The support material 17 is taken from the core material 14, a hole is made in the glass as shown in FIG. Alternatively, as shown in FIG. 5-3, a plate that partially holds the edge of the glass is screwed. Glass can be mechanically stopped by bonding, and the concealed portion of the glass edge can be kept smaller than the bonding surface. All of them are not connected in a linear form, but are made into a plate-like hardware of several centimeters square, and should be about 2 to 3 places on the front pillar. The outline is shown in FIG.

  The support member 17 is integrally formed by previously preparing a stainless wire or a metal plate at the time of forming the transparent material. A plate-like member may be wound around the core member 14 and fixed with screws. Also, a hole may be made in the core material and screwed.

  The rear weatherstrip is provided with the same support material as above, attached to the L-shape near the surface, pasted with a plate with screw holes on the back, and pre-loaded with resin squares on the part where the screws on the back extend, Mold. Screw on the bottom of the cylindrical weather strip. In order to correct the distortion of the rubber material, a linear steel material may be installed at the bottom portion of the weather strip cylinder.

  When polycarbonate is used as the transparent material, the refractive index is about 1.59, and when the material enters the material at the surface as shown in FIG. By utilizing this, the front and outside surfaces of the front pillar are angled so as to be wedge-shaped in the vicinity of the core material, and they are almost parallel in the front windshield part at the forefront. In this way, the surface inside the vehicle is arcuate so as to protrude from the inside to the outside, and the field in front of the core material of the front pillar is made to be a roughly concave lens so that the field of view blocked by the core material can be Can be reduced and visualized. The outline is shown in FIG.

Conventional front pillar diagram and proposal 4 Illustration of the relationship between the transparent material of the front pillar and the core material Front pillar overall view Front pillar development Front pillar cross section Front pillar configuration explanatory diagram Lower roof, front door upper frame diagram Support hardware such as front window shield Schematic diagram of support hardware such as front window shield Refraction diagram at the front pillar

1. Transparent front pillar 2, front pillar upper mounting bracket 3, front pillar lower mounting bracket 4, front door 5, front door window frame 6, center pillar 7, front door lower base 8, roof 9, roof base 10, front win Do shield 11, cowl top 12, hard rubber cushion (top)
13. Hard rubber cushion (lower part)
14, Front pillar metal rod core material 15, screw 16, windshield metal fitting (drilling glass)
17. Front glass stopper support member 18, front pillar weather strip 19, front pillar weather strip support member 20, front glass stopper (glass end pressing)
21, Front door front frame 22, body connection plate (upper part)
23, body connection plate (lower part)
24, roof front door spacer 25, roof front door weather strip 26, front door upper frame spacer 27, front door upper frame weather strip 28, line of sight 29 from the driver when the front pillar is not bent, front pillar Line of sight from driver 30 due to refraction, field of view restored due to refraction of front pillar

Claims (5)

  A structure having a front pillar on left and right sides of a front windshield of a vehicle, wherein a front pillar structure is formed of a transparent material with a built-in core material made of a wire material that supports the front pillar and strong against tensile force. The front pillar structure according to claim 1, wherein the core material is integrally formed with a sheath tube.   An elastic body for cushioning is placed on both ends of the transparent material of the front pillar structure according to claim 1 or 2, a metal cap is formed, a hole is made in the cap, and an end of the core material that is passed through the structure A front pillar structure that protrudes from both ends and is screwed from both ends. The front pillar structure according to any one of claims 1 to 2, wherein a front windshield to be connected to the front pillar, a weather strip with a front door, or an accessory such as a glass rail is used as a core material in the front pillar. A front pillar structure with a support attached and mechanically stopped as well as bonded. The front pillar structure according to any one of claims 1 to 4, wherein a cross-section of the transparent material is a substantially concave lens.

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