JP3540499B2 - Wind deflectors for trucks, etc. - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a wind deflector such as a truck. That is, the present invention relates to a wind deflector that is mounted on a cab of a truck or the like and reduces air resistance to a luggage compartment during traveling.
[0002]
[Prior art]
The wind deflector has a hollow shape in which the upper surface is inclined forward and downward, and is mounted on the roof of the cab, and is used to reduce air resistance to the luggage compartment during traveling and to improve fuel efficiency. The wind deflector is required to be lightweight and highly rigid. At present, the wind deflector is made of fiber reinforced plastic (FRP) or metal, and the plate is formed into the above-mentioned hollow shape. I was
[0003]
[Problems to be solved by the invention]
By the way, in such a conventional example, the following problem has been pointed out. First, it was pointed out that the weight was still heavy. In other words, in this type of transportation vehicle having a luggage compartment, recently, for example, due to measures such as deregulation of vehicle weight, the weight surface has been more severely grasped, and under such circumstances, Conventional wind deflectors still have a problem in terms of weight, and reduction in weight has been desired. Second, a problem was pointed out with respect to the rigidity. That is, it has been pointed out that the conventional wind deflector has a low rigidity irrespective of its heavy weight as described above, that is, has a low rigidity for its weight. In some cases, reinforcement is required to withstand wind pressure.
[0004]
In view of such circumstances, the present invention has been made to solve the problems of the conventional example, and is made of a honeycomb panel in which a surface plate is bonded to each of the front and back open end faces of the honeycomb core as a core material . By adopting such a structure that the air flow along the upper surface is formed during traveling , firstly, it is lightweight, secondly, highly rigid, thirdly, and moreover, An object of the present invention is to propose a wind deflector such as a truck in which these can be easily and easily realized.
[0005]
[Means for Solving the Problems]
The technical means of the present invention for solving such a problem is as follows. That is, the wind deflector of the truck or the like is mounted on the roof of the cab of the truck or the like, and its upper surface is inclined downward to reduce the air resistance to the luggage compartment during traveling, and has a hollow shape.
Then, the honeycomb core is made of a honeycomb panel having a core material as a core material, and a surface plate is bonded to each of the front and back opening end surfaces of the honeycomb core as a core material, and is formed into a hollow shape by heating and pressing using a molding die.
The wind deflector made of the honeycomb panel has a hollow shape including the upper surface which is inclined downward and closed forward, a closed side surface integrally formed with the upper surface, and an open lower surface, The air flow along the upper surface is formed during traveling .
Wind deflector of the track or the like, such consists manufactured honeycomb panel, Ru mounted on the cab roof of a truck. When a truck or the like travels, air flows along the upper surface of the wind deflector on the cab and flows to the rear upper surface of the luggage compartment, so that air resistance to the luggage compartment is reduced.
Therefore, first, since this wind deflector is made of a honeycomb panel, it is excellent in weight ratio strength and lightweight due to the characteristics of the honeycomb core as a core material.
Secondly, similarly, the wind deflector has excellent strength by weight and high rigidity due to the characteristics of the honeycomb core as a core material.
Third, the wind deflector is made of a honeycomb panel having a honeycomb core as a core material and a surface plate joined thereto, and has a simple structure. At the same time, it can be easily manufactured using a molding die.
[0006]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described in detail based on an embodiment of the invention shown in the drawings. The drawings are provided for explaining the embodiments of the present invention, and FIGS. 1, 2 and 3 are perspective views of the main parts of one example of the manufacturing method. FIG. 1 (1) shows a step of performing a mold release treatment on a mold, FIG. 1 (2) shows a step of disposing a prepreg for one surface plate on the mold, and FIG. , And the steps of disposing the honeycomb core thereon. FIG. 2 (1) shows the step of disposing the prepreg and the honeycomb core on the mold, FIG. 2 (2) shows the step of heating and pressurizing treatment, and FIG. The steps of arranging a prepreg for the other surface plate on a honeycomb core formed by bonding a prepreg for one surface plate are shown below. FIG. 3 (1) shows the step of heating and pressurizing treatment, FIG. 3 (2) shows the step of removing the wind deflector thus obtained from the mold, and FIG. 3 (3) shows the step of The process of attaching a mounting bracket to a deflector is shown. FIG. 4 shows a state in which the wind deflector is mounted on the cab. FIG. 4A is a perspective view, and FIG. 4B is a side view. FIG. 5 is a front view of a main part of another manufacturing method. FIG. 5 (1) shows a prepared prepreg and honeycomb core for a surface plate, and FIG. 5 (2) shows a step of vacuum forming these. And (3) shows the obtained wind deflector. FIG. 6 shows a honeycomb core to be used. FIG. 6A is a front view of one example, and FIG. 6B is a perspective view of another example.
[0007]
First, the wind deflector 1 will be generally described with reference to FIG. The wind deflector 1 is mounted on a roof 3 of a cab 2 such as a truck, and has a hollow shape in which an upper surface 4 is inclined downward to reduce air resistance to a luggage compartment (not shown) during traveling. That is, the wind deflector 1 has an upper surface 4 inclined forward and downward, and a side surface 5 integrally formed with the upper surface 4. Such an upper surface 4 and the side surface 5 are closed, and the rear surface is normally open and open. The lower surface side is fixedly mounted on the roof 3 of the cab 2 with the mounting bracket 6. A luggage compartment is arranged behind the cab 2, and the roof of the luggage compartment is at substantially the same height level as the highest rear end of the inclined upper surface 4 of the wind deflector 1. The wind deflector 1 is generally like this.
[0008]
The wind deflector 1 is made of a honeycomb panel 10 having, for example, a honeycomb core 7 as a core material and front and back surfaces 8, 9 as shown in FIG. 5 (3). Then, using a molding die, the upper surface 4 is heated and pressed into a hollow shape in which the upper surface 4 is inclined forward and downward as described above.
[0009]
These will be described in more detail. First, as shown in FIG. 6, for example, the honeycomb core 7 is formed of a planar aggregate of hollow columnar cells 13 partitioned into independent spaces by cell walls 12. It is known that the honeycomb core 7 is excellent in weight ratio strength, has high rigidity and strength as well as lightness, and is excellent in rectification effect, heat retention, sound insulation, and the like. The base material of such a honeycomb core 7 includes aluminum foil and other metal foils, various plastic sheets, fiber reinforced plastic (FRP) sheets, composite sheets of organic and inorganic materials including pulp, reinforced paper, Other various non-metallic sheets are used. The fiber reinforced plastic (FRP) sheet is obtained by adhering, impregnating, and mixing a phenol resin, an epoxy resin, a polyimide resin, and other resins with glass fibers, carbon fibers, Kevlar fibers, and other various fibers.
[0010]
The honeycomb core 7 shown in FIG. 6 (2) is a typical example in which the cross-sectional shape of each cell wall 12 and the cell 13 is a regular hexagon, and the honeycomb core 7 used in the present invention is: The present invention is not limited to this, and various other types of cell walls 12 and cells 13 can be considered. For example, in the honeycomb core 7 shown in FIG. 6A, each cell wall 12 is bent in the middle, and the cross-sectional shape of each cell 13 has a rounded and substantially convex shape. Called. The honeycomb core 7 shown in FIG. 6A can be freely deformed into various curved shapes such as a complicated cubic curved surface such as the wind deflector 1 based on the special cell 13 shape. In this case, the semiconductor device has a characteristic that warping, distortion, breakage, peeling, and the like do not occur. When the honeycomb core 7 shown in FIG. 6 (2) is used instead of such a flex honeycomb core to transform it into a complicated cubic curved surface such as the wind deflector 1, the cell Warping, distortion, breakage, peeling, and the like are prevented by forming a cut in the wall 12 in advance and then performing heat and pressure molding, or by jointing the heat and pressure molded parts separately into individual parts. You.
[0011]
The wind deflector 1 is made of a honeycomb panel 10 and has a honeycomb core 7 as a core material, and front plates 8 and 9 are respectively joined to open front and back end surfaces. As the surface plates 8 and 9, the above-described fiber reinforced plastic (FRP), other nonmetals, and metal materials are used. An adhesive is used for joining the honeycomb core 7 and the surface plates 8 and 9, but a method not using an adhesive is of course possible. For example, a resin contained in the surface plates 8 and 9 is heated. It is also conceivable to bond the honeycomb core 7 with the honeycomb core 7 by melting and hardening.
[0012]
Next, an example of a method of manufacturing the wind deflector 1 made of the honeycomb panel 10 will be described with reference to FIGS. First, as shown in FIG. 1A, the mold 11 is subjected to a release treatment using a release agent using a brush 14 or the like. In the illustrated example, a male mold is used as the mold 11. Then, as shown in FIG. 1 (2), a prepreg 15 for one surface plate 8 is laid up on the molding die 11 and arranged. In other words, in the illustrated example, fiber reinforced plastics (FRP) obtained by adhering, impregnating, and mixing glass fibers with epoxy resin are used as the face plates 8, 9, and prepared as prepregs 15, 16 having viscosity and softness by heating. Is done. Then, one of the prepregs 15 is placed on the molding die 11 for the surface plate 8. Thereafter, as shown in FIG. 1C, the honeycomb core 7 is placed on the prepreg 15 and laid up. The honeycomb core 7 in the illustrated example is made of aluminum, and uses the flex honeycomb core shown in FIG. 6A.
[0013]
In this way, as shown in FIG. 2A, the prepreg 15 and the honeycomb core 7 are sequentially laid up in a two-layer state on the molding die 11, and then, as shown in FIG. As shown in the figure, the heating and pressurizing is performed in the heating and pressurizing chamber 17 after covering the vacuum sheet 18 from above. The prepreg 15 and the honeycomb core 7 are joined by such heating and pressing, and the prepreg 15 and the honeycomb core 7 form a complicated cubic curved surface (that is, the shape as the wind deflector 1). In a molding die 11 (for molding), it is molded and cured into a predetermined shape.
[0014]
Thereafter, the vacuum sheet 18 is once removed, and as shown in FIG. 2 (3), the prepreg 15 for the one face plate 8 is joined to the lower surface and the honeycomb core formed into a predetermined shape. The prepreg 16 for the other surface plate 9 is placed on the top 7, laid up and arranged. Then, as shown in FIG. 3A, the vacuum sheet 18 is again put on, and heating and pressurizing is performed in the heating and pressurizing chamber 17. By such heating and pressing, the prepreg 16 and the honeycomb core 7 are joined together, and the prepreg 16 is also molded and hardened into a predetermined shape by the molding die 11.
[0015]
The wind deflector 1 is manufactured by such heating and pressing. That is, it is made of a honeycomb panel 10 in which a honeycomb core 7 is used as a core material, and front and back surfaces 8, 9 of which prepregs 15 and 16 are hardened are joined to the front and back surfaces thereof, and the upper surface 4 has a hollow shape inclined forward and downward. A wind deflector 1 is obtained. After the wind deflector 1 is removed from the molding die 11 as shown in FIG. 3 (2) and subjected to an end treatment for trimming details, as shown in FIG. 3 (3). The mounting bracket 6 is mounted on the lower surface side. Then, the wind deflector 1 is fixedly mounted on the roof 3 of the cab 2 with the mounting bracket 6, as shown in FIG.
[0016]
The manufacturing method shown in FIGS. 1, 2 and 3 is merely an example, and the wind deflector 1 according to the present invention can be manufactured by other various manufacturing methods. For example, it is conceivable to use a pair of male and female molds as the molding die 11, and it is also possible to produce by the production method shown in FIG. That is, in the manufacturing method of FIG. 5, an autoclave device is used. First, as shown in FIG. 5A, the prepregs 15, 16 and the honeycomb core 7 are prepared, and then, FIG. As shown in the figure, these are covered with a vacuum sheet 19 on a molding die 11, and vacuum molding is performed by heating and pressing from the outside. Thus, as shown in FIG. 5 (3), the honeycomb panel 10 is made of a honeycomb panel 10 in which the honeycomb core 7 is used as a core material and front and back surfaces 8, 9 of which prepregs 15, 16 are hardened. At the same time, the wind deflector 1 having a predetermined hollow shape is obtained. In the manufacturing method shown in FIG. 5, the other details are the same as those described in the manufacturing method shown in FIGS. In FIG. 5 (2), reference numeral 20 denotes a hose with an adjustment valve, which functions to suck and vacuum the inside of the vacuum sheet 19.
[0017]
The present invention is configured as described above. Then, it becomes as follows. The wind deflector 1 such as a truck is made of the honeycomb panel 10 and is formed by heating and pressing. The cab 2 is mounted on a roof 3 of a cab 2 such as a truck. When the truck runs, an air flow is formed along the upper surface 4 of the wind deflector 1 on the cab 2. Then, the air flows to the upper surface of the luggage compartment at the rear, and a situation where the air directly collides with the front surface of the luggage compartment is avoided, and the air resistance to the luggage compartment is reduced. Now, in the wind deflector 1 such as a truck, the following first, second, and third conditions are obtained.
[0018]
First, since the wind deflector 1 is made of the honeycomb panel 10, it is excellent in weight ratio strength and lightweight due to the characteristics of the honeycomb core 7 as the core material. Second, similarly, the wind deflector 1 is excellent in weight ratio strength and high in rigidity due to the characteristics of the honeycomb core 7 serving as a core material. Third, the wind deflector 1 is made of a honeycomb panel 10 in which a honeycomb core 7 is used as a core material and surface plates 8 and 9 are joined, and the configuration is simple. At the same time, it can be easily manufactured using the mold 11 by the manufacturing method shown in FIGS. 1, 2, 3 and 5 described above.
[0019]
【The invention's effect】
Wind deflector such as a truck according to the present invention, As described above, it employs a made of honeycomb panel, each surface plate into the open end face of the front and back surfaces of the honeycomb core are bonded a core material, at the time of traveling, the upper surface The following effects are exhibited by forming the air flow along the air flow .
[0020]
First, it is lightweight. That is, since the wind deflector such as the truck is made of a honeycomb panel using a honeycomb core as a core material, the weight is very light due to the characteristic that the honeycomb core has an excellent weight ratio strength. For example, when compared with the above-described conventional wind deflector made of fiber reinforced plastic (FRP) or metal, the weight is about half in the case of the same shape and the same plate thickness. Thus, the wind deflector can be used without problem for a transportation vehicle such as a truck including a van type vehicle having a luggage compartment in which the weight surface is more severely grasped.
[0021]
Second, high rigidity. That is, since the wind deflector such as the truck is made of a honeycomb panel, it has high rigidity despite its light weight as described above due to the characteristic that the honeycomb core as a core material has an excellent weight ratio strength. is there. For example, when compared with the above-described conventional wind deflector made of fiber reinforced plastic (FRP), the wind deflector has the same or higher rigidity when it has the same shape and the same plate thickness. Therefore, no reinforcement or the like for withstanding wind pressure is required.
[0022]
Third, and yet they are easily and easily realized. In other words, the wind deflector such as this truck is made of a honeycomb panel with a honeycomb core as the core material and a surface plate joined together, and has a simple structure and can be easily manufactured by heating and pressing using a forming die. It is. As described above, the effects exhibited by the present invention are remarkable and large, for example, all the problems existing in this type of conventional example are solved.
[Brief description of the drawings]
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a main part showing an example of a method of manufacturing a wind deflector such as a truck according to the present invention, and FIG. FIG. 2 shows a step of applying a mold treatment, FIG. 2B shows a step of disposing a prepreg for one surface plate on a molding die, and FIG. 3C shows a step of disposing a honeycomb core thereon.
FIG. 2 is a perspective view of a main part of the manufacturing process, in which FIG. 1A shows a process in which a prepreg and a honeycomb core are arranged on a molding die, and FIG. FIG. 3 (3) shows the step of disposing the prepreg for the other surface plate on the honeycomb core formed by bonding the prepreg for one surface plate in this way.
FIG. 3 is a perspective view of a main part of the manufacturing process, in which (1) FIG. 3 shows a heating and pressurizing step, and (2) FIG. (3) shows the process of attaching the mounting bracket to the wind deflector.
FIGS. 4A and 4B show a state in which a wind deflector is mounted on a cab. FIG. 1A is a perspective view, and FIG. 2B is a side view.
FIG. 5 is a front view of a main part of another manufacturing method for explaining the embodiment of the present invention, and FIG. 5 (1) shows a prepared prepreg and honeycomb core for a surface plate, and FIG. The figure shows the step of vacuum forming these, and the figure (3) shows the obtained wind deflector.
FIGS. 6A and 6B show a honeycomb core to be used, FIG. 1A is a front view of one example, and FIG. 6B is a perspective view of another example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Wind deflector 2 Cab 3 Roof 4 Top surface 5 Side surface 6 Mounting bracket 7 Honeycomb core 8 Surface plate 9 Surface plate 10 Honeycomb panel 11 Mold 12 Cell wall 13 Cell 14 Brush 15 Prepreg 16 Prepreg 17 Heating and pressurizing chamber 18 Vacuum sheet 19 Vacuum Sheet 20 hose

Claims (1)

A wind deflector having a hollow shape, which is mounted on a roof of a cab of a truck or the like and whose upper surface is inclined downward to reduce air resistance to a luggage compartment during traveling,
A honeycomb core is used as a core material, the honeycomb core is made of a honeycomb panel in which a surface plate is joined to each of the front and back open end surfaces of the honeycomb core .
The wind deflector made of the honeycomb panel has the hollow shape having the closed upper surface which is inclined downward and forward, a closed side surface integrally formed with the upper surface, and an open lower surface. A wind deflector for a truck or the like, characterized in that an air flow along the road is formed during traveling .

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