JP2022015507A - Helmet - Google Patents

Abstract

To provide a helmet capable of reducing workloads of users, by making shock-absorbing members directly attachable to a helmet body without using a hammock or other members.SOLUTION: A helmet comprises a helmet body 2 and a hammock 3 to be attached to an inside of the helmet body. The hammock 3 comprises a plurality of connecting parts 31 formed in a radial way and is attached to the helmet body 2 via the connecting parts 31. Between the connecting parts 31 on an inner-peripheral surface 2P of the helmet body 2, a plurality of shock-absorbing members 5 partially covering the inner-peripheral surface 2P are attached. An engaging part 22 is formed on either the inner-peripheral surface 2P of the helmet body 2 or the shock-absorbing member 5 as a connecting part for connecting the shock-absorbing member 5 to the inner-peripheral surface 2P.SELECTED DRAWING: Figure 1

Description

The present invention relates to a helmet, specifically, a helmet having a hammock inside a cap body.

Conventionally, in a helmet provided with a cap body and a hammock provided inside the cap body, a technique for improving breathability and heat dissipation by providing a shock absorbing member instead of a shock absorbing liner made of styrofoam has been known. (See, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2020-6835

In the helmet described in the patent document, the impact absorbing member (impact absorber) is provided on the protective pad, and the protective pad is arranged on the outside of the hammock provided inside the cap body. Therefore, the shock absorbing member could not be attached / detached or replaced while the hammock was attached to the helmet. That is, when the shock absorbing member becomes dirty or damaged, it is necessary to remove the hammock and then the protective pad, which increases the work load for the user.

Further, in the helmet described in the patent document, since the shock absorbing member is provided integrally with the protective pad, the shock absorbing member cannot be attached / detached or replaced. That is, when one shock absorbing member becomes dirty or damaged, it is necessary to remove the entire protective pad and replace the shock absorbing member, which increases the work load for the user.

The present invention has been made in view of the above circumstances, and the problem to be solved by the present invention is that the shock absorbing member can be directly attached to the cap body without using a hammock or other members. By doing so, it is to provide a helmet that can reduce the work load of the user.

The present invention constitutes the following helmet in order to solve the above-mentioned problems.

(1) A cap body and a hammock attached to the inside of the cap body are provided, and the hammock includes a plurality of radially formed linking portions and is attached to the cap body via the linking portions. A plurality of shock absorbing members that partially cover the inner peripheral surface are attached between the linking portions on the inner peripheral surface of the cap body, and the inner peripheral surface of the cap body and the shock absorbing member are attached. A helmet in which a joint portion for joining the shock absorbing member to the inner peripheral surface is formed on either one of the helmets.

(2) The helmet according to (1), wherein the shock absorbing member is attached to the frontal region, the occipital region, and the left and right bilateral heads on the inner peripheral surface of the cap body.

(3) The helmet according to (1) or (2), wherein the shock absorbing member is integrally formed by a base surface portion and a plurality of protruding surface portions protruding from the base surface portion.

(4) The helmet according to (3), wherein the shock absorbing member is attached with at least a part of the protruding surface portion in contact with the inner peripheral surface.

(5) The helmet according to (3) or (4), wherein a plurality of holes are opened in the base surface portion, and the protrusion surface portion is formed in an arch portion formed across the respective holes.

(6) The helmet according to (5), wherein the shock absorbing member is formed by mixing the arch portions in different directions across the holes.

(7) The helmet according to any one of (1) to (6), wherein the shock absorbing member is removable from the inner peripheral surface of the cap body.

(8) The shock absorbing member is made detachable from the inner peripheral surface by being inserted between the linking portions with the hammock attached to the cap body, according to (7). Helmet.

(9) An engaging portion is formed as a joint portion on either one of the inner peripheral surface of the cap body and the shock absorbing member, and an engaged portion is formed on the other, and the engaging portion is formed. The helmet according to (7) or (8), wherein the shock absorbing member is attached to and detached from the inner peripheral surface of the cap body by engaging / disengaging the engaged portion.

(10) The helmet according to (9), wherein the engaged portion is engaged with the engaged portion by displacing the shock absorbing member toward the crown portion on the inner peripheral surface of the cap body. ..

According to the helmet according to the present invention, the impact absorbing member can be directly attached to the cap body without using a hammock or other members, so that the work load on the user can be reduced. Play.

The right side view which showed the helmet which concerns on this embodiment. The right side sectional view which showed the helmet which concerns on this embodiment. The bottom view which showed the helmet which concerns on this embodiment. Bottom view showing the cap body. The perspective view which showed the mounting structure of a shock absorbing member. (A) and (b) are an inner perspective view and an outer perspective view of the shock absorbing member, respectively.

Next, the schematic configuration of the helmet 1 according to the embodiment of the present invention will be described with reference to FIGS. 1 to 6. In the present embodiment, the right side in FIGS. 1 and 2 will be described as the front side of the helmet 1, and the front side in the paper surface direction in FIGS. 1 and 2 will be described as the right side side of the helmet 1. That is, in the present embodiment, the direction seen from the user of the helmet 1 is defined as the direction in the helmet 1.

As shown in FIG. 1, the helmet 1 according to the present embodiment has a hammock 3 and a headband 4 formed of a soft synthetic resin or the like on the inner peripheral surface 2P of the cap body 2 made of a hard material such as a synthetic resin. , And a plurality of shock absorbing members 5 are detachably attached. In this embodiment, for convenience of explanation, the headband 4 is omitted from the drawings other than FIG.

The hammock 3 is a member that protects the user's head by forming a gap between the inner peripheral surface 2P of the cap body 2 and the user's head. As shown in FIG. 3, the hammock 3 has an annular portion 30 formed in an annular shape at the central portion (a portion abutting on the crown of the user) and eight linkages formed by extending radially from the annular portion 30. A unit 31 is provided. A linking hole 31a is opened at the tip of each linking portion 31. The hammock 3 is attached to the cap body 2 by engaging the linking hole 31a in each linking portion 31 with the locking portion 21 (see FIG. 4) provided so as to project inward on the inner peripheral surface 2P of the cap body 2. It is fixed inside. In this way, the hammock 3 is attached to the cap body 2 via a plurality of linking portions 31.

As shown in FIGS. 2 and 3, the band support portion 32 is formed in the four linking portions 31 extending toward both the left and right sides of the eight linking portions 31. Specifically, of the four linking portions 31 extending toward both the left and right sides, a band support portion 32 is formed on the front two and the rear two on the rear side. Two support holes 32a are opened in each band support portion 32.

A headband 4 is connected to the band support portion 32. The headband 4 includes a front winding portion 41 that is wound around the front of the user of the helmet 1, and a rear winding portion 42 that is also wound around the back of the head.

The front winding portion 41 is provided with a supported portion on which a support claw (not shown) is formed. The headband 4 is supported by the hammock 3 by engaging the support claws in the supported portion with the support holes 32a of the band support portion 32. A connecting portion 46 extending downward when the helmet 1 is used is formed at the rear portion of the front winding portion 41. A locking claw 46b is formed at the lower end portion 46a of the connecting portion 46.

The rear winding portion 42 is configured by combining a first adjusting portion 43 on the right side and a second adjusting portion (not shown) on the left side. The first adjusting portion 43 and the second adjusting portion can be displaced relative to each other, and the relative positions are fixed by the lock portion 45. That is, the length of the rear winding portion 42 can be adjusted by changing the relative position between the first adjusting portion 43 and the second adjusting portion. The first adjusting portion 43 is formed with an adjusting groove portion 43b for fixing the relative position with the second adjusting portion.

The front end portion of the rear winding portion 42 (the front end portion 43a of the first adjusting portion 43 and the front end portion of the second adjusting portion) is rotatably connected to the lower end portion of the connecting portion 46. Specifically, a locking hole 43c is opened in the front end portion 43a, and the locking claw 46b of the connecting portion 46 is inserted into the locking hole 43c, so that the rear winding portion 42 with respect to the connecting portion 46. Is rotatably connected.

As shown in FIG. 2, on the inner peripheral surface 2P of the cap body 2, between the linking portions 31 of the hammock 3, a plurality of impacts (four in the present embodiment) that partially cover the inner peripheral surface 2P. The absorbing member 5 is attached. As the material of the shock absorbing member 5, polyethylene, polypropylene, polylactic acid, polyamide, elastomer and the like are adopted.

In the present embodiment, as shown in FIG. 3, the shock absorbing member 5 is attached to the front side member 5F attached to the frontal region, the rear side member 5B attached to the back of the head, and the right side of the head on the inner peripheral surface 2P of the cap body 2. Four pieces, a right side member 5R to be attached and a left side member 5L to be attached to the left side of the head, are attached. In the helmet 1 according to the present embodiment, by providing the shock absorbing members 5 at four locations on the inner peripheral surface 2P of the cap body 2 at the front, back, left and right as described above, the shock when the user falls down is effectively absorbed. It is possible to do. Since each shock absorbing member 5 is formed in the same shape, only one shock absorbing member 5 will be described below.

In the helmet 1 according to the present embodiment, as shown in FIGS. 4 and 5, the cap body 2 projects inward on the inner peripheral surface 2P as a joint portion for joining the shock absorbing member 5 to the inner peripheral surface 2P. The provided engaging portion 22 is formed. The engaging portions 22 are formed at four locations on the cap body 2, the frontal region, the occipital region, and the left and right bilateral heads.

As shown in FIGS. 6A and 6B, the shock absorbing member 5 includes a planar base surface portion 51, a plurality of protruding surface portions 52 (seven in this magnetic embodiment) protruding from the base surface portion 51, and a projection surface portion 52. Is integrally formed by. In the shock absorbing member 5 according to the present embodiment, three protrusion surface portions 52 are formed on the upper side, three on the lower side, and one in the central portion in the vertical direction. Further, in the present embodiment, the surface of the base surface portion 51 opposite to the surface on which the protruding surface portion 52 protrudes is formed as the inner side surface 51R. In the present embodiment, by integrally forming each shock absorbing member 5, the manufacturing process is simplified and the cost is suppressed as compared with the configuration in which a plurality of members are assembled.

The shock absorbing member 5 is attached with the protruding surface portion 52 formed in the central portion in the vertical direction abutting on the inner peripheral surface 2P of the cap body 2. Specifically, the protruding surface portion 52 is formed with an engaged portion 53 that can be engaged with the engaging portion 22. Then, the impact absorbing member 5 is attached to the cap body 2 by engaging the engaged portion 53 and the engaging portion 22 as shown by the alternate long and short dash line arrow in FIG. As a result, the inner side surface 51R of the shock absorbing member 5 is oriented toward the user's head. Therefore, since the area where the shock absorbing member 5 comes into contact with the user's head can be relatively large, it is possible to improve the safety of the user when an impact is applied to the helmet 1. It is also possible to form an engaged portion on the inner peripheral surface 2P of the cap body 2 and form an engaged portion on the shock absorbing member 5.

As described above, in the helmet 1 according to the present embodiment, the shock absorbing member 5 can be directly attached to the cap body 2 without using other members such as the hammock 3. Thereby, the shock absorbing member 5 can be attached to the cap body 2 regardless of the attachment state of the hammock 3 or the like in the cap body 2.

Further, the shock absorbing member 5 according to the present embodiment can be attached to and detached from the inner peripheral surface 2P of the cap body 2 by engaging / disengaging the engaging portion 22 and the engaged portion 53. To. By making the shock absorbing member 5 removable from the inner peripheral surface 2P of the cap body 2 in this way, it becomes possible to facilitate cleaning and repair of the shock absorbing member 5.

Further, in the helmet 1 according to the present embodiment, since the shock absorbing member 5 is attached to the cap body 2 independently, it is easy to attach / detach or replace each shock absorbing member 5. That is, when one shock absorbing member 5 becomes dirty or damaged, only the shock absorbing member 5 can be replaced, so that the work load on the user can be reduced.

Further, in the helmet 1 according to the present embodiment, the shock absorbing member 5 is attached to the cap body 2, which is a member farther from the user's head than the hammock 3. Therefore, a ventilation space can be secured between the head and the inner peripheral surface 2P of the cap body 2. That is, as compared with the configuration in which the shock absorbing member 5 is provided on the hammock 3, the shock absorbing member 5 can be kept away from the head, so that air can be circulated near the head and the user feels refreshed. Can be enhanced.

Further, as shown in FIGS. 2 and 3, the shock absorbing member 5 can be attached to and detached from the inner peripheral surface 2P by being inserted between the linking portions 31 with the hammock 3 attached to the cap body 2. Will be done. Therefore, even if the shock absorbing member 5 becomes dirty or damaged and needs to be replaced, it is not necessary to remove the hammock 3 once, so that the work load on the user can be reduced.

In addition to the configuration of the present embodiment, the method of fixing the shock absorbing member 5 to the cap body 2 may employ other configurations such as welding, screwing, and integral molding by two-color molding or the like. From the viewpoint that the cap body 2 and the shock absorbing member 5 can be integrally formed by molding and can be easily attached to and detached from the cap body 2 (the man-hours for assembling the helmet 1 can be reduced), the present embodiment is used. It is desirable to have a locking structure as described above.

In the present embodiment, the shock absorbing member 5 is partially formed on the inner peripheral surface 2P of the cap body 2 in terms of breathability and cost. It is desirable that a plurality of shock absorbing members 5 are formed on the inner peripheral surface 2P of the cap body 2 in a planar manner (four in this embodiment) as in the present embodiment. In this case, it is desirable to form the inner side surface 51R of the shock absorbing member 5 in an area in the range of 30 square cm to 50 square cm in order to fill the gap of the hammock 3 that absorbs the shock.

In the helmet 1, when the user receives an impact or the like from above while wearing the helmet 1, an upward frictional force is applied to the shock absorbing member 5 from the user's head. Therefore, in the present embodiment, as shown by the arrow M in FIG. 2, the shock absorbing member 5 is displaced toward the crown portion on the inner peripheral surface 2P of the cap body 2 (upward), and the engaging portion is engaged. 22 is configured to be engaged with the engaged portion 53. This makes it difficult for the user of the helmet 1 to come off due to the frictional force received by the shock absorbing member 5 when the user receives an impact or the like from above.

As shown in FIGS. 6A and 6B, a plurality of holes are opened in the base surface portion 51 of the shock absorbing member 5. The protruding surface portion 52 is formed in an arch portion formed across the respective holes. Specifically, the three protruding surface portions 52 formed on the upper portion of the shock absorbing member 5 and the three protruding surface portions 52 formed on the lower portion of the shock absorbing member 5 straddle the holes in the left-right direction. In other words, it is formed in an arch portion that penetrates in the vertical direction. Further, one protruding surface portion 52 formed in the central portion of the shock absorbing member 5 in the vertical direction is formed in an arch portion that straddles the hole in the vertical direction, in other words, penetrates in the left-right direction.

As described above, the impact absorbing member 5 according to the present embodiment secures the strength of the impact absorbing member 5 by forming the arch portions in different directions in which the arch portions straddle the holes. Further, by forming many openings on the surface of the shock absorbing member 5, the air permeability of the shock absorbing member 5 can be further enhanced, so that the refreshing feeling of the user can be further improved.

As the shape of the shock absorbing member 5, not only the arch shape in the present embodiment but also a dome shape, a honeycomb shape, a plate shape, or the like can be used to exhibit a large energy absorption efficiency. Further, the shock absorbing member 5 may have a shape of a spring member that absorbs shock by bending and deforming. Further, the shock absorbing member 5 may be formed of a soft member such as an elastomer or a rubber member to realize shock absorption.

1 Helmet 2 Cap body
2P inner peripheral surface 3 hammock
4 Headband 5 Impact absorbing member
5F Front member 5B Rear member
5R right side member 5L left side member
21 Locking part 22 Engaging part (joint part)
30 Circular part 31 Linking part
31a Linking hole 32 Band support
32a Support hole 41 Front winding part
42 Rear winding part 43 First adjustment part
43a Front end 43b Adjustment groove
43c Locking hole 45 Locking part
46 Connecting part 46a Lower end part
46b Locking claw 51 Base surface
51R Inner surface 52 Protruding surface
53 Engaged part

Claims (10)

It is equipped with a cap body and a hammock attached to the inside of the cap body.
The hammock includes a plurality of linking portions formed radially, and is attached to the cap body via the linking portions.
A plurality of shock absorbing members that partially cover the inner peripheral surface are attached between the linking portions on the inner peripheral surface of the cap body.
A helmet in which a joint portion for joining the shock absorbing member to the inner peripheral surface is formed on either one of the inner peripheral surface of the cap body and the shock absorbing member.
Helmet. The helmet according to claim 1, wherein the shock absorbing member is attached to the frontal region, the occipital region, and the left and right bilateral heads on the inner peripheral surface of the cap body. The helmet according to claim 1 or 2, wherein the shock absorbing member is integrally formed by a base surface portion and a plurality of protruding surface portions protruding from the base surface portion. The helmet according to claim 3, wherein the shock absorbing member is attached with at least a part of the protruding surface portion in contact with the inner peripheral surface. A plurality of holes are opened in the base surface portion, and a plurality of holes are opened.
The helmet according to claim 3 or 4, wherein the protruding surface portion is formed in an arch portion formed across the respective holes. The helmet according to claim 5, wherein the shock absorbing member is formed by mixing the arch portions in different directions across the holes. The helmet according to any one of claims 1 to 6, wherein the shock absorbing member is removable from the inner peripheral surface of the cap body. The helmet according to claim 7, wherein the shock absorbing member is detachable from the inner peripheral surface by being inserted between the linking portions with the hammock attached to the cap body. An engaging portion is formed as the joint portion on either one of the inner peripheral surface of the cap body and the shock absorbing member, and an engaged portion is formed on the other.
7. According to claim 7 or 8, the shock absorbing member can be attached to and detached from the inner peripheral surface of the cap body by engaging / disengaging the engaged portion with the engaged portion. The listed helmet. The helmet according to claim 9, wherein the engaged portion is engaged with the engaged portion by displacement of the shock absorbing member toward the crown portion on the inner peripheral surface of the cap body.

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