JP2023081588A - sunshade device - Google Patents

Abstract

To provide a sunshade device capable of restraining inward projection of an end part of a shade screen on a drawing side.SOLUTION: A sunshade device is equipped with a shade screen which is rolled up such that it is free to be drawn out, and includes: a bag-shaped part attached at an end part of the shade screen on a drawing side; a core material which is harder than the shade screen and the bag-shaped part and has a cylindrical part at an end part; and a cap member which is of a screw shape with a head part and a body part and has a plurality of ribs formed in parallel to a direction of insertion into the cylindrical part and projecting from the body part so as to interfere with an inner surface of the cylindrical part, the cap member being attached to an end part of the core material by insertion of the body part into the bag-shaped part. The core material with the cap member attached thereto is contained in the bag-shaped part.SELECTED DRAWING: Figure 1

Description

The present invention relates to a sunshade device for vehicles.

2. Description of the Related Art A vehicle door or the like is provided with a sunshade device for the purpose of blocking direct sunlight for glare prevention and protecting privacy in the vehicle. When the sunshade device is not in use, in many cases, the shade screen for blocking light is rolled up and stored inside the door body. On the other hand, when in use, the shade screen is pulled upward along the window glass, and the hook or the like provided at the end of the shade screen on the drawer side is engaged with the engaging portion on the door side to cover the window glass. used position.

A configuration of the sunshade device is proposed in, for example, Patent Document 1. Japanese Patent Application Laid-Open No. 2002-100001 proposes a structure for a winding device for winding a shade screen so that the drawer-side end of the shade screen does not protrude from the winding device after the shade screen is wound.

Japanese Patent No. 6247152

In vehicles such as passenger cars in which people ride, the amount of protrusion, radius of curvature, impact absorption capacity, etc. are regulated and limited for protrusions in the vehicle interior (hereinafter referred to as "inside collisions") in order to protect the occupants. ing. That is, in a vehicle such as a passenger car, it is desirable to suppress the internal collision in the vehicle interior as much as possible.

As described above, Patent Document 1 proposes a configuration in which the drawer-side end of the shade screen does not protrude from the winder when the shade screen is housed in the winder. is housed in the winding device, the inward collision is suppressed.

However, Patent Document 1 does not disclose any configuration or shape for suppressing the inward projection when the shade screen is pulled out and held at the use position. In particular, in many cases, the drawer-side end of the shade screen is provided with a core material for retaining the shape of the drawer-side end. If there is a possibility that the parts may approach each other, it is necessary to take measures to prevent the core material from protruding inward.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a sunshade device capable of suppressing the inward protrusion of the drawer-side end of a shade screen.

In order to achieve the above object, the sunshade device of the present invention is a sunshade device comprising a shade screen wound up so as to be able to be pulled out,
a bag-like portion attached to the drawer-side end of the shade screen;
a core material that is harder than the shade screen and the bag-like portion and has a cylindrical portion at an end;
It has a screw shape having a head and a body, and has a plurality of ribs formed parallel to the insertion direction into the cylindrical part and protruding from the body so as to interfere with the inner surface of the cylindrical part, a cap member in which the body portion is inserted into the cylindrical portion and attached to an end portion of the core material;
has
The core member to which the cap member is attached is enclosed in the bag-like portion.

According to the present invention, it is possible to suppress the inward protrusion of the drawer-side end of the shade screen in the sunshade device.

BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic diagram which shows one structural example of the sunshade apparatus of this invention. 2 is a plan view showing how the bag-like portion shown in FIG. 1 is attached to the shade screen; FIG. FIG. 3 is a cross-sectional view showing an example of the relationship between the core material and the bag-like portion shown in FIG. 1; 1. It is a schematic diagram which shows a mode that a cap member is attached to the core material shown in FIG. FIG. 5 is a cross-sectional view showing an example of the relationship between the core member and the cap member shown in FIG. 4;

Next, the present invention will be described with reference to the drawings.

FIG. 1 is a schematic diagram showing one configuration example of the sunshade device of the present invention, and FIG. 2 is a plan view showing how the bag-like portion shown in FIG. 1 is attached to the shade screen. FIG. 3 is a cross-sectional view showing an example of the relationship between the core material and the bag-like portion shown in FIG. 4 is a schematic diagram showing how a cap member is attached to the core member shown in FIG. 1, and FIG. 5 is a sectional view showing an example of the relationship between the core member and the cap member shown in FIG.

3 shows an example of a cross section seen from the direction of the line A-A' shown in FIG. 2, and FIG. 5 shows an example of the cross section seen from the direction of the line B-B' shown in FIG. 1 to 5 schematically show each component of the present invention, and do not accurately show the size, shape, structure, position, etc. of each component.

As shown in FIG. 1, the sunshade device of the present invention includes a bag-like portion 2 attached to a drawer-side end portion 11 of a shade screen 1, and a bag-like portion 2 that is harder than the shade screen 1 and the bag-like portion 2. and a cap member 4 attached to the end of the core material 3 .

In order to illustrate the core material 3 and the cap member 4 contained in the bag-like portion 2, FIG. A lever 5 shown in FIG. 1 is a part to be held by an occupant or the like when pulling out the shade screen 1 from a winding device (not shown). The lever 5 is rotatably attached to the core member 3 exposed at a notch 6 provided near the longitudinal center of the bag-like portion 2, for example. The pulled out shade screen 1 can be obtained by, for example, hooking the core material 3 exposed at notches 6 provided near both ends in the longitudinal direction of the bag-like portion 2 to a hook or the like (not shown) provided on the door side. It is held in a predetermined use position covering the window glass. Any known configuration may be used for the configuration for pulling out the shade screen 1 and the configuration for holding the drawer-side end portion 11 at a predetermined use position.

The shade screen 1 is formed using a flexible sheet-like member that blocks at least part of transmitted light. The shade screen 1 is wound up so that it can be pulled out, and is housed in a winding device (not shown) provided on the end portion side facing the drawer side end portion 11 . For the shade screen 1, a mesh fabric having meshes may be used, a fabric without meshes may be used, or a cloth woven with synthetic fibers such as polyester fabric may be used. For the shade screen 1, a transparent sheet that blocks ultraviolet rays or the like, a translucent sheet that has a blinding effect by diffusing transmitted light, or the like may be used.

The bag-like portion 2 is formed of a sheet-like member thicker than the shade screen 1, for example. The bag-like portion 2 is folded in two at the drawer-side end portion 11 of the shade screen 1 and is welded or adhered with the end portion of the shade screen 1 sandwiched therebetween, thereby forming the core material 3 and the cap member 4 . It is formed in the shape of a bag having a space for enclosing (see FIG. 3).

The bag-shaped portion 2 is formed such that its width in the longitudinal direction is the same as or slightly larger than the width of the shade screen 1 at the drawer-side end portion 11 . Synthetic leather or the like having a thermoplastic resin layer, for example, can be used for the bag-like portion 2 . If a member having a thermoplastic resin layer is used as the bag-like portion 2 , the bag-like portion 2 can be easily welded to the shade screen 1 . As will be described later, since the length of the core 3 to which the cap member 4 is attached is shorter than the width of the bag-like portion 2 in the longitudinal direction, both ends of the bag-like portion 2 in the longitudinal direction are welded or bonded. , the space containing the core member 3 and the cap member 4 is sealed. FIG. 2 shows how the bag-like portion 2 is attached to the drawer-side end portion 11 of the shade screen 1 shown in FIG.

As shown in FIG. 3, the core material 3 is inserted into the space inside the bag-like portion 2 and used to retain the shape of the bag-like portion 2 (drawer-side end portion 11). The length of the core material 3 is set to such a length that both ends in the longitudinal direction of the bag-like portion 2 can be sealed with the cap member 4 attached, and the shape of the both ends in the longitudinal direction can be maintained.

The core material 3 is harder than the shade screen 1 and the bag-shaped part 2, and has a cylindrical tubular part 31 at at least one end. As the core material 3, a solid rod-shaped member having a cylindrical interior filled with a member such as resin may be used. However, even when a rod-shaped member is used as the core member 3, the end portion of the core member 3 is provided with the cylindrical portion 31 described above. Since the cap member 4 made of resin or the like is press-fitted into the end portion (cylindrical portion 31) of the core member 3 as described later, it is preferable to use a cylindrical member made of a metal material such as iron. For the core material 3, for example, a steel pipe conforming to the STKM standard can be used.

As shown in FIG. 4, the cap member 4 is a screw-like member having a body portion 41 and a head portion 42, and the body portion 41 is inserted into the end portion of the core material 3 (the cylindrical portion 31). , and the head 42 closes the end. The cap member 4 is attached to block the ends of the core member 3 to prevent the ends from inwardly colliding. It suffices to attach it to at least one end of the core material 3 . The core material 3 to which the cap member 4 is attached is enclosed in the bag-like portion 2 together with the cap member 4 . The cap member 4 is formed using a resin such as polypropylene.

As shown in FIGS. 4 and 5, the cap member 4 is formed in parallel with the insertion direction of the core member 3 into the cylindrical portion 31 and protrudes from the body portion 41 so as to interfere with the inner surface of the cylindrical portion 31. of ribs 43. The cap member 4 is attached to the end portion of the core material 3 by press-fitting the body portion 41 into the cylindrical portion 31 . At this time, in order to stably hold the inserted cap member 4 with the core member 3 , it is necessary to uniformly apply pressure to the inner surface of the core member 3 from the tips of the ribs 43 . Therefore, the number of ribs 43 is preferably three or more, and each rib 43 is preferably formed on body portion 41 at equal intervals. The number of ribs 43 is preferably three because the insertion load required for press-fitting increases as the number of ribs 43 increases.

The head portion 42 of the cap member 4 is formed to have the same outer diameter as the outer diameter of the tubular portion 31 at the portion in contact with the tubular portion 31 . Further, as shown in FIG. 4, the head portion 42 of the cap member 4 is formed in a bowl-like shape in which the outer diameter of the head portion 42 decreases as the distance from the body portion 41 increases. The trunk portion 41 of the cap member 4 may have a substantially conical conical portion 44 whose outer diameter gradually decreases toward the insertion end so that it can be easily inserted into the cylindrical portion 31 . Also, in order to facilitate insertion of the trunk portion 41 into the cylindrical portion 31, the rib 43 may be provided with a portion whose protrusion amount gradually decreases toward the insertion end. Such a cap member 4 can be formed by injection molding, for example.

Another method of attaching the cap member 4 to the end of the core material 3 is, for example, a claw fitting structure in which a claw is provided on the cap member 4 and a hole or the like for fitting the claw is provided at the end of the core material 3. can be considered. Alternatively, a terminal pinching structure may be considered in which a groove portion for pinching the end portion of the core material 3 is provided in the head portion 42 of the cap member 4 in an arc shape. However, the claw fitting structure requires additional processing (such as hole processing) on the core material 3, which increases the manufacturing cost of the sunshade device. On the other hand, in the terminal sandwiching structure, the outer diameter of the head portion of the cap member 4 must be larger than the outer diameter of the cylindrical portion 31 of the core member 3, so that the core member 3 and the head portion 42 of the cap member 4 A step occurs at the contacting part (boundary). In this case, the steps appear as irregularities on the outer surface (design surface) of the bag-like portion 2 containing the core material 3 and the cap member 4 . In addition, in the end sandwiching structure, the insertion load for press-fitting the groove of the cap member 4 into the end portion of the core member 3 becomes large, making it difficult to attach the cap member 4 to the core member 3 .

In the present invention, a rib 43 is provided on the body portion 41 of the cap member 4 to interfere with the inner surface of the tubular portion 31 of the core member 3 , and the cap member 4 is press-fitted from the end portion of the tubular portion 31 to press the core member 3 against the rib 43 . Since it has a simple structure for holding the cap member 4, additional processing such as drilling of the core member 3 is not required. Therefore, the cap member 4 can be attached to the core member 3 while suppressing an increase in manufacturing cost. Further, by adjusting the pressure of the ribs 43 against the inner surface of the cylindrical portion 31 according to the amount of protrusion of the ribs from the body portion 41, the insertion load for press-fitting the cap member 4 into the core member 3 can be made relatively small. Therefore, it is possible to manually assemble the cap member 4 to the core member 3 . Furthermore, by providing the ribs 43 on the body portion 41 of the cap member 4, it is possible to prevent the cap member 4 from coming off due to vibration of the vehicle or deterioration over time.

Further, the cap member 4 can be formed so that the outer diameter of the head portion 42 is the same as the outer diameter of the cylindrical portion 31 at the portion where the cylindrical portion 31 and the head portion 42 are in contact with each other. The design surface of the bag-like portion 2 containing the cap member 4 does not have irregularities. Furthermore, by forming the cap member 4 into a bowl shape in which the outer diameter of the head portion 42 becomes smaller as the distance from the body portion 41 increases, the end portion of the core member 3 can be terminated without having an acute-angled portion.

According to the present invention, since the core material 3 whose end is closed with the cap member 4 is enclosed in the bag-like portion 2 , the entire core material 3 including the cap member 4 is covered with the bag-like portion 2 . Further, by providing the ribs 43 on the body portion 41 of the cap member 4, the cap member 4 is prevented from coming off due to vibration of the vehicle or deterioration over time. Therefore, the ends of the core member 3 are prevented from protruding inward. Therefore, the inward projection of the drawer-side end portion of the shade screen 1 can be suppressed.

In addition, since the outer diameter of the cylindrical portion 31, which is the end portion of the core member 3, and the outer diameter of the head portion 42 of the cap member 4 at the portion in contact with the cylindrical portion 31 can be formed to be the same, the cap member 4 can be attached. As a result, unevenness does not appear on the design surface of the bag-like portion 2 at the end portion of the core material 3.例文帳に追加Furthermore, by forming the head portion 42 of the cap member 4 into a bowl shape, the end of the core member 3 to which the cap member 4 is attached can be terminated without having an acute-angled portion. Therefore, deterioration of the appearance of the design surface of the bag-shaped portion 2 is also suppressed.

REFERENCE SIGNS LIST 1 shade screen 2 bag-like portion 3 core material 4 cap member 5 lever 6 notch portion 11 drawer-side end portion 31 cylindrical portion 41 trunk portion 42 head portion 43 rib 44 conical portion

Claims (4)

A sunshade device comprising a shade screen wound up so as to be freely pulled out,
a bag-like portion attached to the drawer-side end of the shade screen;
a core material that is harder than the shade screen and the bag-like portion and has a cylindrical portion at an end;
It has a screw shape having a head and a body, and has a plurality of ribs formed parallel to the insertion direction into the cylindrical part and protruding from the body so as to interfere with the inner surface of the cylindrical part, a cap member in which the body portion is inserted into the cylindrical portion and attached to an end portion of the core material;
has
A sunshade device in which the core member to which the cap member is attached is enclosed in the bag-like portion. 2. The sunshade device according to claim 1, wherein the number of said ribs is three, and said ribs are formed on said body portion at regular intervals. The cap member has a bowl shape in which the outer diameter of the head at a portion in contact with the cylindrical portion is the same as the outer diameter of the cylindrical portion, and the outer diameter of the head decreases as the distance from the body portion increases. A sunshade device according to claim 1 or 2. The sunshade device according to any one of claims 1 to 3, wherein the core material is metal and the cap member is resin.

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