JP3677333B2 - Interior material for helmet and manufacturing method thereof - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an interior material for a helmet and a method for manufacturing the same, and more particularly to an interior material disposed inside a helmet to be worn on a motorcycle or the like and a method for manufacturing the same.
[0002]
[Prior art]
Generally, a helmet includes a shell that forms an outermost shell, an impact absorbing liner that is disposed inside the shell, and an interior material that is disposed inside the impact absorbing liner. Since the interior material is disposed in the hemispherical impact liner and is attached to the head, the shape needs to be a three-dimensional shape.
[0003]
In general, as shown in FIG. 7, the interior material for helmet is manufactured by hot press molding in which the raw fabric 73 is integrally formed into a predetermined shape using a hot press die 71, 72, or the raw fabric is three-dimensionally cut. It was formed by three-dimensional sewing.
[0004]
[Problems to be solved by the invention]
To perform by hot press molding, a press mold (three-dimensional mold) is required, a mold manufacturing cover is required, and when there is a change in the shape of the molded product, it is necessary to newly form a press mold, There is an inconvenience that the adjustment is not flexible. In addition, it was necessary to use a material such as polyethylene foam (PEF) that can be used for hot pressing.
Further, in the case of sewing, there is an inconvenience that it is necessary to perform draping, which is troublesome.
[0005]
An object of the present invention is to provide a method for manufacturing an interior material for a helmet that is inexpensive in mold, can use materials used in sewing products, can improve the molding cycle , and can easily change and adjust the molded product. It is to provide.
[0006]
[Means for Solving the Problems]
According to a first aspect of the present invention, there is provided a method for manufacturing an interior material for a helmet, wherein an impact absorbing liner is joined to an inner surface of a hemispherical shell for covering a head, and an opening disposed inside the impact absorbing liner. In interior materials for helmets with
A partial original fabric formed by dividing the shape constituting the helmet interior material from the original fabric, a pattern shape that tends to become a three-dimensional shape by a welder process formed on the surface portion of the partial original fabric, and the pattern shape The outer peripheral part of the division | segmentation part of the shape which comprises the said helmet interior material of the given partial fabric is joined, It formed in the three-dimensional shape arrange | positioned at the said shock absorption liner, It is characterized by the above-mentioned.
[0007]
According to a third aspect of the present invention, there is provided a method for manufacturing an interior material for a helmet, in which an impact absorbing liner is joined to an inner surface of a hemispherical shell for covering a head, and an opening is provided inside the impact absorbing liner. In the manufacturing method of the interior material for helmets to be installed,
A step of dividing the shape constituting the helmet interior material from the original fabric to form a partial original fabric, and forming a pattern shape that is likely to become a three-dimensional shape by applying a welder process to the surface portion of the divided original fabric And a step of joining the outer peripheral portion of the divided portion of the shape constituting the helmet interior material of the partial raw fabric provided with the pattern shape.
In the first and third aspects, it is preferable that the outer peripheral portion of the divided portion is joined by welding or stitching.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
In the method for manufacturing the helmet interior material 30 according to claim 1, the shock absorbing liner 20 is joined to the inner surface of the hemispherical shell 10 for covering the head, and the inner side of the shock absorbing liner 20 is disposed. It is what is done.
[0009]
The interior material 30 is divided at the divided portion B from the original fabric based on the shape constituting the predetermined helmet interior material 30. A pattern P that tends to become a three-dimensional shape is formed on the surface 2 of the partial raw fabric 1 by welder processing. The partial raw fabric 1 on which the shape of the pattern P is formed is formed into a shape that constitutes a predetermined helmet interior material 30, and the outer peripheral portion of the divided portion B is joined to form a three-dimensional shape disposed in the shock absorbing liner 20. Form.
[0010]
In the method for manufacturing the helmet interior material 30 according to the third aspect, the shock absorbing liner 20 is joined to the inner surface of the hemispherical shell 10 to be put on the head, and is disposed inside the shock absorbing liner 20. This is a method of manufacturing a helmet interior material.
[0011]
The process of dividing the shape constituting the helmet interior material 30 from the unillustrated raw material into the divided portions B to form the partial original fabric 1, and applying a welder to the surface portion 2 of the divided original raw material 1 to form a three-dimensional shape And forming the pattern P that is likely to become, and joining the outer peripheral portion of the divided portion B of the shape constituting the helmet interior material 30 of the partial raw fabric 1 to which the shape of the pattern P is applied. ing.
[0012]
That is, in order to form the helmet interior material 30 from a raw material (not shown), a predetermined portion of the interior material 30 is divided by a pattern (not shown) to create a partial raw material 1 as a divided portion B. To do.
[0013]
Then, a pattern P having a predetermined shape is formed on the surface 1 a of the partial raw fabric 1. At this time, the cushioning material 31 and the fabric 32 are arranged in an overlapping manner, high-frequency welding is performed to form a predetermined pattern P, and the cushioning material 31 and the fabric 32 are formed integrally.
[0014]
Next, the outer peripheral part of the division | segmentation part B of the shape which comprises the said helmet interior material 30 of the partial raw fabric 1 in which the pattern P was formed is joined. Joining is performed by sewing or welding.
[0015]
An insertion member 40 is attached to the outer periphery of the interior material on the opening side. The insertion member 40 is made of a resin material having a relatively high rigidity, and rising plate pieces 41 and 42 are formed on the front and rear sides when the insertion member 40 is deposited, and a gap is provided between the front and rear rising plate pieces 41 and 42. 45, separate rising plate pieces 43 are joined to both sides.
[0016]
【Example】
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. The members, arrangements, and the like described below are not intended to limit the present invention and can be variously modified within the scope of the gist of the present invention.
[0017]
1 to 6 show an embodiment of a helmet according to the present invention. FIG. 1 is an explanatory perspective view, FIG. 2 is an explanatory perspective view of an impact absorbing liner, and FIG. 3 is an explanatory perspective view of an interior material. 4 is an explanatory view showing the manufacturing process of the interior material, FIG. 5 is an explanatory view showing the manufacturing process of the interior material, and FIG. 6 is a partial cross-sectional view taken along line AA of FIG.
[0018]
As shown in FIGS. 1 to 3, the helmet H in this example includes a shell 10 made of a hard resin material constituting an outermost shell, and an impact absorbing liner that is disposed in close contact with the inside of the shell 10 and absorbs an impact. 20 and an interior material 30 that is disposed in close contact with the inside of the shock absorbing liner 20 and directly contacts the head of the adherend.
[0019]
The shell 10 of this example is formed in a hemispherical shape by resin molding or the like, and ear covering portions 11 are connected to both sides of the hemispherical shell 10 and are integrally formed.
[0020]
The shock absorbing liner 20 of this example is formed in a hemispherical shape so as to be disposed inside the shell 10 and is made of a resin foam, for example, foam of beads such as polypropylene (PP) or polystyrene (PS). It is configured. As shown in FIG. 2, the shock absorbing liner 20 of this example is provided with a placement recess 21 at a predetermined position on the outer periphery on the opening side so that the insertion member 40 of the interior material 30 described below can be placed. ing. 2 is a hole for a ventilator.
[0021]
The interior material 30 of this example includes a cushion material 31, a fabric 32, and an insertion member 40 formed on the outer periphery of the end portion as main components. The cushion material 31 and the fabric 32 of this example are formed with a predetermined pattern P so that the cushion material 31 and the fabric 32 can be joined to the shock absorption liner 20. It is formed so as to be able to follow a three-dimensional shape that matches. The manufacturing method is performed by the manufacturing method described later.
[0022]
In addition, in the interior material 30 of this example, an insertion member 40 is formed at a location where it is joined to the opening side end side of the helmet H. As shown in FIG. 3, the insertion member 40 of this example is formed with rising plate pieces 41 and 42 as insertion members having relatively high rigidity in the front and rear, and between these rising plate pieces 41 and 42. Standing plate pieces 43 serving as relatively rigid insertion members that are separated from each other with a gap are joined to both sides (only one is shown in FIG. 3). Attachment of the insertion member 40 of this example is attached later in a separate process by sewing, but can also be performed by welding.
[0023]
Next, a method for manufacturing the interior material 30 having the above configuration will be described.
In this example, a step of dividing the shape constituting the helmet interior material 30 from a raw material (not shown) into divided portions B and dividing the shape into a plurality of identical shapes to form a partial raw material 1, and this divided and formed portion Applying a welder to the surface portion 2 of the original fabric 1 to form a pattern P that tends to become a three-dimensional shape, and overlapping the partial original fabric 1 on which the shape of this pattern P is applied, And a step of joining.
[0024]
That is, in this example, in order to form the helmet interior material 30 from a raw material (not shown), the upper portion (that is, the top of the head) of the interior material 30 is divided by a pattern (not shown) to be a divided portion. B. A partial raw fabric 1 is created by dividing the divided portion B so that the outer periphery thereof has the same shape. In this example, it is divided into two pieces in exactly the same shape, but in the case where the length of the attached part is different before and after the helmet H, the divided part B naturally has the same outer shape, The partial raw fabric has a different length on the side opposite to the divided portion B, and the outer shapes do not match.
[0025]
And the pattern P of a predetermined shape is formed in the part of the surface 2 of the partial raw fabric 1 divided | segmented. At this time, in this example, the cushion material 31 and the fabric 32 are arranged in an overlapping manner, and high-frequency welding is performed to form the predetermined pattern P, so that the cushion material 31 and the fabric 32 are integrally formed. As described above, the pattern P can be an arbitrary pattern P. In this example, the pattern P surrounds four surfaces.
[0026]
The insertion member 40 of this example is divided into four parts and is made of a resin material having a relatively high rigidity, and rising plate pieces 41 and 42 are formed on the front and rear sides when they are attached. A rising plate piece 43 made of a separate body is joined to both sides with a gap 45 between the plate pieces 41 and 42. In this example, the insertion member is formed by the sewing means in a separate process. However, when the pattern P is formed on the partial raw fabric 1, it can be integrally formed at the same time.
[0027]
Next, the partial original fabric 1 on which the pattern P is formed is overlaid. In this example, two partial original fabrics 1 are overlapped. However, since the divided portion B of the original fabric portion 1 is the same, at least the outer circumferences of the divided portions B coincide with each other. The overlapping portion where the divided portions B coincide is stitched or welded.
[0028]
Next, the attachment of the interior material 30 will be described. As shown in FIG. 6, since the pattern P is formed when disposed inside the shock absorbing liner 20, the inner shape of the shock absorbing liner 20 is formed. The interior material 30 can be held by inserting the insertion member 40 between the shell 10 and the shock absorbing liner 20 next.
[0029]
In the said Example, although the shape which comprises the helmet interior material 30 was divided | segmented by the division | segmentation part B from the raw material which is not shown in figure, it divided | segmented as the several same shape, and the partial raw material 1 was shown, In order to configure the material 30 so as to form the shape, the outer shape of the interior material is formed without being divided as a separate body, and then the pattern P is welded by cutting and forming the welded portion. Can be formed into a three-dimensional shape by means such as stitching a cut portion or welding a welder.
[0030]
【The invention's effect】
When configured as described above, the welder mold is less expensive than the press mold, the material used in the sewing product can be used, the molding cycle can be made efficient, and the molded product can be easily changed and adjusted. A helmet interior material can be obtained. Particularly in the case of welder processing compared to hot pressing, since the heating temperature is low, can be used and the material must be reduced heating temperature, good size and breathability of the cells as compared with conventional urethane Therefore, it is possible to make the interior material suitable for absorption of perspiration and ventilation system.
[Brief description of the drawings]
FIG. 1 is an explanatory perspective view of a helmet according to the present invention.
FIG. 2 is an explanatory perspective view of an impact absorbing liner.
FIG. 3 is an explanatory perspective view of an interior material.
FIG. 4 is an explanatory view showing a manufacturing process of an interior material.
FIG. 5 is an explanatory view showing a manufacturing process of an interior material.
6 is a partial cross-sectional view taken along line AA in FIG.
FIG. 7 is an explanatory view showing a conventional manufacturing method.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Partial raw fabric 2 Surface 10 Shell 11 Ear cover part 20 Shock absorption liner 21 Installation recessed part 22 Ventilator hole 30 Interior material 31 Cushion material 32 Fabric 40 Insertion member 41,42,43 Standing board piece B Divided part H Helmet P pattern

Claims (4)

In an interior material for a helmet provided with an impact-absorbing liner joined to the inner surface of a hemispherical shell for covering the head, and having an opening disposed inside the impact-absorbing liner,
A partial original fabric formed by dividing the shape constituting the helmet interior material from the original fabric, a pattern shape that tends to become a three-dimensional shape by a welder process formed on the surface portion of the partial original fabric, and the pattern shape An interior material for a helmet, which is formed into a three-dimensional shape disposed on the shock absorbing liner by joining outer peripheral portions of divided portions of the shape constituting the helmet interior material of the applied partial raw fabric. 2. The helmet interior material according to claim 1, wherein the joining of the outer peripheral portions of the divided portions is performed by welding or stitching. In the method for manufacturing an interior material for a helmet, in which an impact absorbing liner is joined to an inner surface of a hemispherical shell for covering the head, and an opening is provided inside the impact absorbing liner.
A step of dividing the shape constituting the helmet interior material from the original fabric to form a partial original fabric, and forming a pattern shape that is likely to become a three-dimensional shape by applying a welder process to the surface portion of the divided original fabric And a step of joining the outer peripheral portion of the divided portion of the shape constituting the helmet interior material of the partial raw fabric to which the pattern shape is applied. .   4. The method for manufacturing an interior material for a helmet according to claim 3, wherein the joining of the outer peripheral portions of the divided portions is performed by welding or sewing.

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