JPH10151944A - Sun visor for automobile and manufacture thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To strengthen rigidity of a sun visor core with simple constitution by constituting the sun visor core of a bead foaming mold formed by molding joinable half-split bodies foldable in two in a necessary shape by beads on the basis of a hinge part, and forming a rigidity-strengthened solid layer on contact planes of both half-split bodies. SOLUTION: A sun visor main body of an automobile sun visor 10 in which a mirror unit 20 is installed, is formed by wrapping an outside surface of a sun visor core 30 using a PP bead foaming mold 31 as a base with the sun visor skin 40. This PP bead foaming mold 31 is formed as half-split bodies 31a and 31b foldable in two on the basis of a hinge part 33, and a solid layer 32 is respectively formed on contact planes of the respective half-split bodies 31a and 31b, and rigidity is strengthened by this solid layer 32. A support to bear a rotary shaft on one end side of a resin rod, is also formed in the PP bead foaming mold 31, and a resin mold 50 in which an engaging knob is integrally formed is inserted into the other end of the resin rod.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile sun visor which uses a foamed bead molded body as a sun visor core, is lightweight and has excellent impact resistance, and a method of manufacturing the sun visor. Accordingly, the present invention relates to a sun visor for an automobile and a method for manufacturing the sun visor, which can reduce the number of parts and the manufacturing process.

[0002]

2. Description of the Related Art Generally, a sun visor for an automobile is installed in front of a front occupant in an automobile interior, and is usually stored on a ceiling surface to secure the occupant's view from sunlight or lights of an oncoming vehicle at night. In this way, it is possible to rotate the front window or the side window.

FIGS. 15 and 16 show a front view and a cross-sectional view of a conventional sun visor for a vehicle, particularly, a vehicle sun visor equipped with a mirror unit in order to enhance the usability. A rotating shaft 3a for rotatably supporting the sun visor body 2 having a desired light shielding area is attached to a bracket 3b fixed to the vehicle body, and a holder (not shown) is installed at a position separated from the bracket 3b. The engagement knob 3c is engaged with the holder, and the sun visor main body 2 is securely held by being supported at two points.

Further, the sun visor body 2 is constituted by enclosing an outer surface of a sun visor core 4 with a sun visor skin 5, and the sun visor core 4 is made of a PP foam bead which is lightweight and excellent in impact resistance. A wire frame 6 in the form of a loop is inserted inside the bead foam molded article along the outer peripheral shape of the product. A support 6a for bearing the rotating shaft 3a and an engagement knob 3c are inserted into the wire frame 6.
Is fixed.

In order to securely support the mirror unit 7, a mirror plate 8 is fixed to the wire frame 6 by welding. The mirror plate 8 is inserted in advance together with the wire frame 6 when the sun visor core 4 is formed with beads. The mirror unit 7 is fixed to the mirror plate 8 by vibration welding or the like.

FIG. 17 is a schematic view showing a manufacturing process of a conventional sun visor 1 provided with the above-described mirror unit 7.

More specifically, this manufacturing method will be described in order. Assume that the support 6a and the mirror plate 8 are assembled to the wire frame 6 and set in a mold for forming the sun visor core 4. These wire frame 6, support 6a, mirror plate 8
Is insert-molded inside the sun visor core 4.

Then, after enclosing the outer surface of the sun visor core 4 with the sun visor skin 5, the mirror unit 7 is attached to the mirror plate 8 by vibration welding or the like, and then the engagement knob 3c and the shaft 3 are welded by welding.
a, the bracket 3b and the like are assembled to complete the manufacture of the sun visor 1.

[0009]

As described above, the conventional sun visor 1 for an automobile has a structure in which the loop-shaped wire frame 6 is inserted into the inside of the bead foam molded body in order to enhance the rigidity of the sun visor core 4. Therefore, the wire frame 6 is bent into a loop, and the wire frame 6 is supported by a support 6a and an engagement knob 3c.
Requires a process of assembling, and has the drawback that the number of steps is large and the processing cost is increased.

In particular, in the type in which the mirror unit 7 is attached, the mirror plate 8 must be fixed to the wire frame 6 by welding in advance, and the number of parts and the number of processing steps are increased.
Has a drawback that it is too heavy to be lightweight.

The present invention has been made in view of the above circumstances, and has an outer surface of a sun visor core based on a foamed bead molded article that is lightweight and has excellent impact resistance. In a sun visor for automobiles, the stiffness of the sun visor core can be enhanced with a simple configuration, reducing the number of parts and reducing the number of assembling steps to achieve a significant cost reduction, especially in the type with a mirror unit. It is an object of the present invention to provide a sun visor for an automobile which can achieve weight reduction in addition to cost reduction, and a method for manufacturing the same.

[0012]

In order to achieve the above object, the present invention comprises a sun visor body having an outer surface of a sun visor core covered by a sun visor skin rotatably supported by a rotation shaft. In the sun visor for an automobile, the sun visor core is formed of a bead foam molded body formed by bead forming a half-foldable body that can be folded and joined based on a hinge into a required shape. A solid layer having enhanced rigidity is formed, and a resin molded body in which a support, an engagement knob and the like are integrated is inserted inside the bead foam molded body.

Here, the sun visor core is made of a foamed bead having a light weight and excellent impact resistance, and the foamed bead is made of polypropylene (PP).
Bead beads such as beads, polyethylene (PE) beads, and polystyrene (PS) beads can be used.
From the viewpoint of cost, rigidity and the like, a PP bead foam molded article is preferred.

On the other hand, a sun visor skin is sewn into a bag shape using a material having excellent touch feeling and softness with a cushion material such as polyurethane foam lined on the back of the cloth as the sun visor skin. Then, the opening is joined by welding or the like to form the sun visor body, or the sun visor core is planted on the outer surface of the sun visor core to form the sun visor skin, and the upper and lower surfaces of the sun visor core A resin sheet such as a PVC sheet may be superimposed on the sheet and welded and fused along the periphery of the sun visor.

Next, the resin molded body inserted into the sun visor core is integrally formed with a support for bearing a rotation shaft on a resin rod and an engagement knob for detaching from a holder on the vehicle body side. A U-shaped leaf spring which is integrally formed by injection molding of a polypropylene resin or the like and which supports a rotating shaft is mounted on a support.

In a sun visor with a mirror in which the mirror unit is mounted, an opening is provided in one half of the half halves in order to fix the mirror unit to the surface of the solid layer of the sun visor core.

Next, in the method for manufacturing the sun visor for an automobile, the half halves are formed into an expanded shape based on the hinge portion at the time of forming the beads of the sun visor core, and the outer surface side and the joint surface side of each half halve are Setting a pressure difference and a temperature difference to the steam pressure and the steam temperature to be supplied to the first step, thereby forming an expanded bead foam molded article provided with a solid layer on one surface side; Forming a sun visor core in which the solid foam layers formed on the joining surfaces of the respective halves of the bead foam molded body based on the hinge portion are welded by heat welding, and a sun visor core having an integrated product inserted therein is formed; Forming the sun visor body by enclosing the outer surface of the sun visor with a sun visor skin, and assembling mounting equipment such as a rotating shaft to the sun visor body. That.

Here, the bead foam molding die used for molding the bead foam molded body is constituted by a split mold in which a cavity is formed in a shape in which each half is expanded in an expanded manner based on a hinge portion. And the pressure difference between the steam pressure and the steam temperature supplied into the cavity from the opening provided in each split mold.
By setting the temperature difference, it is possible to form a solid layer on one side of the foamed bead.

For example, on one surface located on the outer surface of the expanded bead, the steam pressure is 3.5 kgf / cm ² ,
The steam temperature was set to 140 ° C., and the supplied steam pressure of 9 to 10 kgf /
cm ² and a steam temperature of 180 to 190 ° C.

Therefore, since steam is supplied at a high temperature and a high pressure to the joining surface of each half of the expanded bead body, a solid layer is formed over the entire surface.

When the expanded bead foam molded article thus formed is folded into two based on the hinge portion, a resin molded article having a support and an engagement knob integrated with a resin rod is inserted therein. Then, the joining surfaces are welded and fixed, and the outer surface thereof is covered with a sun visor skin to form a sun visor body. When a mirror unit is mounted on the mirror unit, an opening is provided in one half of the half unit, and through this opening, the solid layer of the other half unit is exposed on the surface side. And the bottom surface of the mirror unit may be welded and fixed to the surface of the solid layer.

As is apparent from the above configuration, the sun visor core has a solid layer having high rigidity formed inside the foamed bead, so that the conventional wire frame can be eliminated and the rotating shaft can be eliminated. It is only necessary to insert a resin molded body that integrates the support and the engagement knob with the resin rod into the bead foam molded body, so that it is time-consuming to assemble the support and the engagement knob to the wire frame or fix it by welding. However, the bending and insert processing of the wire frame can be eliminated.

Further, in the structure in which the mirror unit is mounted, the mirror unit can be firmly welded and fixed to the surface of the rigid solid layer formed on one surface of the bead foam molding, so that the conventional mirror plate is eliminated. be able to.

[0024]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a sun visor for an automobile according to an embodiment of the present invention.

1 to 10 show an embodiment in which the present invention is applied to a sun visor with a mirror. FIG. 1 is a front view of a sun visor for an automobile, FIG. 2 is a longitudinal sectional view showing the configuration of the sun visor for an automobile, FIG. 3 is a side view of a resin molded product to be inserted into the sun visor core, FIG. 4 is a chart showing a manufacturing process of the automotive sun visor, and FIGS. 5 to 10 are explanatory views sequentially showing the manufacturing process of the automotive sun visor. It is.

11 and 12 show a second embodiment of the present invention. FIG. 11 is an external view of a sun visor for an automobile, FIG. 12 is a longitudinal sectional view showing the configuration of the sun visor for an automobile, and FIG. 13 and 14 show a third embodiment of the present invention. FIG. 13 is a sectional view showing a shape of a sun visor core, and FIG. 14 is a longitudinal sectional view showing a configuration of a sun visor using the sun visor core.

First, a configuration of a sun visor and a method of manufacturing the sun visor according to a first embodiment of the present invention will be described in detail with reference to FIGS.

1 and 2, an automobile sun visor 10 is rotatably inserted into a bracket 13 in which a rotation shaft 12 for supporting a sun visor body 11 having a desired light-shielding area is fixed to a ceiling side. The sun visor body 11 can be rotated up and down and left and right by the rotation of the rotation shaft 12 and the rotation of the rotation shaft 12 itself. The user can take any unfolded posture by rotating it to the side window side.

Further, an engagement knob 14 is provided on the other end of the sun visor body 11 opposite to the rotating shaft 12, and the engagement knob 14 is mounted on a holder (not shown) on the vehicle body side.
The sun visor body 11 is firmly supported at two points on the vehicle body side by operating the sun visor body 11, and a mirror unit 20 is mounted at the center of the surface of the sun visor body 11 to enhance usability. .

The configuration of the mirror unit 20 will be briefly described. A mirror case 22 made of a resin molded body having a vanity mirror 21 and a mirror case 22 attached to the mirror case 22 to cover the surface of the vanity mirror 21 in an openable and closable manner. And an opening / closing lid 23 that can be operated.

Further, the sun visor body 11 has a configuration in which the outer surface of a sun visor core 30 forming a core is covered with a sun visor skin 40. The feature of the present invention is that the configuration of the sun visor core 30 is The feature is that it has been simplified.

That is, the sun visor core 30 is based on a PP foam foam 31 having a light weight and excellent impact resistance, and a solid layer 32 is formed inside the PP foam foam 31. Solid layer 3
2 is characterized by enhanced rigidity.

The details of the PP bead foam molded body 31 will be described later.
3 are formed as half halves 31a and 31b that can be folded in half, and a solid layer 32 is formed on the joining surface of each half halves 31a and 31b.

Therefore, since a solid layer is formed on each joint surface, when the half bodies 31a and 31b are folded and polymerized in two, a solid layer 32 having high rigidity is formed inside the PP bead foam molded body 31. Will be.

Further, in the PP bead foam molding 31,
A resin molded body 50 shown in FIG. 3 is inserted. The resin molded body 50 is formed of an injection molded body such as a PP resin or a polyacetal resin, and has a rotating shaft 12 at one end of a resin rod 51. A support 52 is formed, and at the other end of the resin rod 51,
The engagement knob 14 is formed integrally.

A U-shaped leaf spring 53 for holding the rotating shaft 12 is fitted and fixed to the support 52.

Accordingly, the sun visor core 30 is composed of the PP bead foam molded body 31 and the resin molded body 50 in which each functional component is integrated.

On the other hand, the sun visor skin 40 is made of a laminated sheet material in which a cloth material such as a polyurethane foam is lined on the back surface of the cloth.
Formed by sewing into a bag shape with a capacity to accommodate 0,
After the sun visor core 30 is inserted and accommodated in the bag-shaped portion, the sun visor body 11 is formed by joining the openings of the bag-shaped portion by welding or the like.

It should be noted that a foamed PE bead and a foamed PS bead can be used in place of the foamed PP bead 31. The sun visor skin 40 may be a PVC sheet, a flocked skin, or the like. Application is also possible.

Further, as a structure for mounting the mirror unit 20 on the sun visor main body 11, a half body 31a on one side is provided.
An opening 34 is opened in each half body 31a, 31b.
Is folded into two, and the solid layer 32 of the other half body 31b is exposed to the surface side through the opening 34,
The bottom surface of the mirror case 22 may be welded and fixed to the surface of the solid layer 32 by vibration welding or the like.

As described above, the automotive sun visor 10 according to the first embodiment of the present invention comprises
Since the solid layer 32 having a high rigidity is formed in the inside, the conventional wire frame can be eliminated, and the support 52 and the support 52 are attached to the resin molded body 50 inserted into the PP bead foam molded body 31. Since the combination knob 14 is integrated, the number of steps for fixing the support and the engagement knob to the wire frame can be omitted, the structure can be simplified, and the number of processing steps can be greatly reduced.

Further, when the mirror unit 20 is mounted, the conventional mirror plate can be eliminated, and the cost can be reduced by reducing the weight and the number of parts.

Next, referring to FIGS. 4 to 10, an automobile sun visor 1 equipped with the mirror unit 20 will be described.
0 will be described in detail.

FIG. 4 is a flow chart showing the manufacturing process of the automobile door trim 10. The process will be briefly described. First, the expandable PP beads 31 are formed into beads by molding the expandable PP beads into beads. When the PP bead foam molding 31 is folded in two, the resin molding 50
Is inserted into the above-mentioned PP bead foam molded body 31 to form the sun visor core 30. Next, the sun visor main body 11 is formed by performing weld welding or the like so as to cover the outer surface of the sun visor core 30 with the sun visor skin 40. Thereafter, the mirror unit 20 is attached to the sun visor main body 11 by vibration welding or the like. The moving shaft 12 is inserted into the sun visor body 11 to complete the manufacture of the sun visor 10.

Hereinafter, each step will be described in detail with reference to FIGS.

First, a schematic configuration of a bead molding die 60 for molding the PP bead foam molded body 31 into an expanded shape will be described with reference to FIG.
Is composed of split molds 60a and 60b. The split mold 60a on one side is a substantially flat mold face, and the mold face of the split mold 60b on the other side is set to a curved shape forming the outer surface of the sun visor core 30. Have been.

Each of the split dies 60a and 60b has a supply pipe 61a, which selectively supplies steam and cooling air.
The supply pipes 61a and 61b are provided with switching valves 62a and 62b, and the switching valves 62a and 62b are connected to the boilers 63a and 63b and the pneumatic pumps 64a and 64b.

Exhaust pipes 66a and 66b are provided in the steam chambers 65a and 65b.
6b is also provided with opening / closing valves 67a and 67b.

Further, one of the split molds 60a has a foaming P
A bead supply feeder 70 for supplying P beads is provided, and the mold surface of each of the split dies 60a and 60b includes:
Openings 68a, 68b smaller in diameter than the foamable beads are provided at a plurality of locations.

The bead molding die 60 thus constructed
The molding process of the PP bead foam molded body 31 will be described with reference to FIG.

First, as shown in FIG.
After the mold 60b engages, the foamable PP beads are filled into the cavity C formed between the split molds 60a and 60b through the bead supply feeder 70. At this time, the foamable PP beads B are about 20 times larger. It is foaming.

Thereafter, as shown in FIG.
boiler 6 in steam room 65a, 65b of a, 60b
By switching the switching valves 62a and 62b from the 3a and 63b, steam of a predetermined pressure and a predetermined temperature is supplied through the supply pipes 61a and 61b, and the valves 67a and 67b of the exhaust pipes 66a and 66b are closed.
The steam in a and 65b is supplied into the cavity C through the openings 68a and 68b, and the expandable PP beads B are further melted and the beads are welded to each other.

Thereafter, the steam is released from the exhaust pipes 66a, 66b to the outside, and the switching valves 62a, 62b
Is switched, and the cooling air is supplied to the compressed air pumps 64a and 64b.
From the steam chamber 65a through the supply pipes 61a and 61b.
65b, and is fed into the cavity through the openings 68a, 68b to cool the compact and
The bead foam molding 31 is formed.

When the steam is supplied, the steam pressure and the steam temperature of the steam supplied into the steam chamber 65a of the split mold 60a on one side are 9 to 10 respectively.
kgf / cm ² , 180 to 190 ° C., the steam pressure of the steam supplied to the steam chamber 65b of the split mold 60b on the other side is 3.5 kgf / cm ² , and the steam temperature is 1
It is adjusted to 40 ° C.

As described above, by making the steam pressure and the steam temperature different between the split dies 60a and 60b, one surface of the molded bead foam 31 is formed as a solid layer 32.

In order to mount the mirror unit 20, a projection 69 is formed on the other side of the split mold 60 b, and a half body 31 a on one side of the bead foam molded body 31 is molded. An opening 34 for mounting the mirror unit 20 is formed.

After the mold opening, the PP bead molded product 31 taken out is, as shown in FIG.
Is a state in which the half bodies 31a and 31b are developed right and left on the basis of the above. After the rod-shaped heater 80 is slid and the joining surfaces of the half bodies 31a and 31b are heated and melted, As shown in the figure, the halves 31a and 31 are folded in a state where the resin molded body 50 is inserted therein.
b, that is, the solid layers 32
And fixed by welding, and fix the sun visor core 3
0 is formed.

Thereafter, as shown in FIG. 9, the outer surface of the sun visor core 30 is covered with the sun visor skin 40 to form the sun visor body 11.

At this time, an opening 34 is formed in the center of the surface of the sun visor body 11, and the bottom surface of the opening 34 exposes the solid layer 32 provided on the joint surface of the other half body 31b. ing.

Next, as shown in FIG. 10, the mirror unit 20 is fitted into the opening 34, and the mirror unit 20 is welded and fixed to the surface of the solid layer 32 by vibration welding or the like. The manufacture of the shown automotive sun visor 10 is completed.

As described above, in the present invention, by providing the solid layer 32 on the foamed bead body 31, the conventional wire frame is eliminated and the support 52 is provided.
And the use of the resin molded body 50 in which the engagement knob 14 is integrated with the resin rod 51, there is an advantage that the number of parts is small and the number of processing steps can be significantly reduced. In such a case, since the mirror plate can be eliminated, there are various advantages such as a simpler man-hour and a reduction in weight.

Next, FIGS. 11 and 12 show a second embodiment of the present invention, in which the sun visor 10 for an automobile is an embodiment in which the mirror unit 20 is omitted.

Also in this case, the sun visor core 30
Is formed from a PP bead foamed molded body 31 and a resin molded body 50. The PP bead foamed molded body 31 is formed on each joint surface by folding and joining the half bodies 31a and 31b in two on the basis of the hinge part 33. Since the internal rigidity is enhanced by the solid layer 32, the wire frame can be eliminated, and the thickness of the PP bead foam molded body 31 can be reduced, which contributes to saving of material costs and weight reduction. There is an advantage that can be.

Next, FIGS. 13 and 14 show a third embodiment according to the present invention.
FIG. 13 shows an embodiment. In this embodiment, FIG.
As shown in FIG.
Each of the half bodies 31a, 31b is formed in a state of being opened in an unfolded state based on the base 3, and an uneven surface 35 is formed on the joining surface of each of the half bodies 31a, 31b.

Since the solid layer 32 is formed along the uneven surface 35, a large formation area of the solid layer 32 can be secured, the internal rigidity can be further strengthened. Since the space portions 36 are formed by abutting each other, there is an advantage that material cost can be saved and weight can be further reduced.

[0066]

As described above, the present invention has the following special functions and effects.

(1) The invention according to claim 1 is to form a solid layer having high rigidity inside the foamed bead molding, and further to form a resin molded body in which a support and an engagement knob are integrated by bead foaming. Because it is a configuration that is inserted into the molded body, the conventional wire frame can be eliminated, and no separate support or engagement knob is required from the wire frame. This has the effect of significantly reducing costs.

(2) According to the second aspect of the invention, since the mirror unit is welded and fixed to the surface of the solid layer of the sun visor core, the mirror plate is welded and fixed to the wire frame as in the prior art. Instead of mounting the mirror unit, the number of parts and the number of assembling steps can be significantly reduced, and the mirror plate can be eliminated, so that the weight and the processing cost can be significantly reduced.

(3) According to the third aspect of the present invention, an irregular surface is formed on the joint surface of the expanded bead foam molded article, and a solid layer rich in rigidity is formed on the irregular surface. Because it is a configuration that forms, a large area of the solid layer can be secured, rigidity is further strengthened,
This has the effect of saving material costs and contributing to weight reduction.

(4) According to the method of the fourth and fifth aspects, the conventional wire frame can be eliminated and the support and the engagement knob can be integrated as a resin molded body for insert, so that the number of assembling steps is large. In addition, since the mirror plate can be eliminated when the mirror unit is mounted, the number of steps for mounting the mirror plate can be omitted, and the number of steps can be significantly reduced, resulting in a significant cost reduction. It has the effect of.

[Brief description of the drawings]

FIG. 1 is a front view showing a first embodiment of an automotive sun visor according to the present invention, showing a sun visor for an automobile on which a mirror unit is mounted.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a side view showing an insert resin molded body inserted into a sun visor core.

FIG. 4 is a flowchart showing a manufacturing process of the automotive sun visor shown in FIG. 1;

FIG. 5 is a schematic view showing a molding step of a sun visor core used in the first embodiment of the present invention, and showing a configuration of a bead molding die of a bead foam molded article.

FIG. 6 is a sectional view showing a step of supplying expandable beads in a step of forming the sun visor core.

FIG. 7 is a sectional view showing a bead forming step in the sun visor core forming step.

FIG. 8 is an explanatory view showing a folding step of the bead foam molded article in the molding step of the sun visor core.

FIG. 9 is a sectional view showing a state where the sun visor epidermis is covered on the surface of the sun visor core.

FIG. 10 is a sectional view showing a state in which a mirror unit is mounted on the sun visor body according to the present invention.

FIG. 11 shows the second embodiment of the present invention and is an external view of a sun visor for an automobile.

FIG. 12 is a sectional view taken along the line XII-XII in FIG. 11;

FIG. 13 shows the third embodiment of the present invention, and is a cross-sectional view showing a shape of a foamed bead forming a sun visor core.

FIG. 14 is a cross-sectional view showing a configuration of an automobile sun visor using the bead foam molded article shown in FIG.

FIG. 15 is a front view showing a conventional automobile sun visor.

FIG. 16 is a sectional view taken along line XVI-XVI in FIG.

FIG. 17 is a flowchart showing a manufacturing process of a conventional sun visor with a mirror.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Sun visor for automobiles 11 Sun visor main body 12 Rotating shaft 14 Engagement knob 20 Mirror unit 30 Sun visor core 31 Bead foam molding 31a, 31b Half body 32 Solid layer 33 Hinge part 35 Irregular surface 40 Sun visor skin 50 Insert resin molding Reference Signs List 51 resin rod 52 support 60 bead forming die 60a, 60b split die 70 bead supply feeder 80 rod heater

Claims (5)

[Claims] 1. A sun visor for an automobile comprising a sun visor body (11) enclosing an outer surface of a sun visor core (30) with a sun visor skin (40) rotatably supported by a rotation shaft (12). The sun visor core (30) is formed of a bead foam molded body (31) formed by bead-forming a half shape (31a, 31b) that can be folded and joined into two pieces based on a hinge part (33) into a required shape, A solid layer (32) with enhanced rigidity is formed on the joining surface of the two halves (31a, 31b), and a support (52) and an engagement knob (14) are formed inside the bead foam molded body (31). A sun visor for an automobile, wherein a resin molded body (50) in which the above-mentioned components are integrated is inserted. 2. The mirror unit (20) mounted on the surface of the sun visor body (11) has an opening (3) provided in a half body (31a) on one side of a sun visor core (30).
2. The sun visor for an automobile according to claim 1, wherein the visor is welded and fixed to the surface of the solid layer (32) of the other half (31b) through (4). 3. Each of the half bodies (31a, 31a) of the expanded bead body (31) constituting the sun visor core (30).
The sun visor for a vehicle according to claim 1, wherein the joining surface of (b) is set as an uneven surface (35). 4. A sun visor for an automobile in which a sun visor body (11) comprising an outer surface of a sun visor core (30) covered by a sun visor skin (40) is rotatably supported by a rotation shaft (12). In the manufacturing method, when forming the beads of the sun visor core (30), the half-pieces (31a, 31b) are formed into an expanded shape based on the hinge part (33), and the outside of each half-piece (31a, 31b) is formed. By setting a pressure difference and a temperature difference between the steam pressure and the steam temperature supplied to the front surface side and the joint surface side, a developed bead foam molding (31) having a solid layer (32) provided on the joint surface side And a solid layer (32) formed on the joint surface of each half body (31a, 31b) based on the hinge part (33) by using the expanded bead foam body (31). Heat each other Forming a sun visor core (30) by folding and halving each half (31a, 31b) with the resin molded body (50) inserted therein, thereby forming a sun visor core (30); Encapsulating the outer surface of the sun visor with a sun visor skin (40) to form a sun visor body (11), and assembling mounting accessories such as a rotating shaft (12) to the sun visor body (11). A method for manufacturing a sun visor for an automobile. 5. A sun visor body (1) comprising a sun visor core (30) enclosing a sun visor skin (40).
After the forming step 1), the mirror unit (20) is connected to the solid layer of the other half (31b) through the opening (34) provided in the half (31a) of the foamed bead (31). 5. The method for manufacturing a sun visor for an automobile according to claim 4, wherein a mounting step of a mirror unit (20) for welding and fixing to the surface of (32) is added.