JP2013057137A - Impact absorbing structure, impact absorbing module, and protective headgear with them - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an impact absorbing structure having a uniform quality as a whole and having elastic spherical bodies connected through an elastic connection structure, the elastic spherical bodies stabilized in position or attitude.SOLUTION: The impact absorbing structure 20 is configured such that the plurality of elastic spherical bodies 21 are elastically deformed according to the magnitude and direction of an external force applied from outside, and each has through-holes 23a and 23b penetrating the center thereof, the elastic spherical bodies 21 are linearly disposed and linearly collected through the elastic connecting structure formed of a string-shaped member 22 for connecting the lined elastic spherical bodies from one end to the other end and maintaining the penetrating direction of the through-holes of the elastic spherical bodies 21 parallel. In the impact absorbing structure, the string-shaped member 22 includes: a first string-shaped member 24 inserted through the through-holes 23a and 23b of the elastic spherical body 21 and inserted in the opposite direction between adjacent spherical bodies 21; and a second string-shaped member 25 inserted in the opposite direction to the first string-shaped member 24 and connected to the first string-shaped member 24 at both ends of linear arrangement of the elastic spherical bodies 2.

Description

  The present invention relates to an impact-absorbing structure including a plurality of elastic spheres coupled via a soft-bonding structure, an impact-absorbing module, and a protective cap including the same.

  Conventionally, a shock absorbing structure formed by arranging a plurality of elastic spherical cell structures in an arbitrary shape on a base member made of a foamed resin body and covering the cell structure with a cover material together with the base material The body is known (see, for example, Patent Document 1).

JP 2006-296640 A

  However, in the conventional shock absorbing structure, since the plurality of cell structures are only mounted on the base member, they can freely move or rotate inside the cover material. Therefore, the air permeability is lowered at a portion where the plurality of cell structures are dense, and there is a concern that the shock absorbing performance may be lowered at a portion where the intervals between the plurality of cell structures are too wide. That is, there is a problem that unevenness of shock absorption performance and air permeability occurs depending on the state of the cell structure.

  The present invention has been made by paying attention to the above-mentioned problem, and it is possible to stabilize the position and posture of each elastic spherical body coupled through a soft coupling structure, and to make the quality uniform over the entire surface. It is an object of the present invention to provide a structure, a shock absorbing module, and a protective cap having the same.

In order to achieve the above object, the present invention has a low outer shape so that a plurality of elastic spherical bodies that are elastically deformed according to the magnitude and direction of external force applied from the outside can be deformed according to the external force. In the shock absorbing structure aggregated linearly through the suppressed soft coupling structure, the elastic spherical body has a through-hole penetrating through the center, and the soft coupling structure includes a plurality of linearly arranged soft coupling structures. The elastic spherical body has a string-like member that connects from one end to the other end of the elastic spherical body and maintains the penetrating direction of the through hole of each elastic spherical body in parallel.
The string member includes a first string member and a second string member.
The first string-like member is inserted through the through hole of the elastic spherical body, and the insertion direction is reversed between adjacent elastic spherical bodies.
Further, the second string-like member is inserted into the through-hole of the elastic spherical body, the insertion direction is set in a direction opposite to the insertion direction of the first string-like member, and the second string-like member is arranged in a line. The first string-like member is fastened at each of both end portions of the plurality of elastic spherical bodies.

Therefore, in the shock absorbing structure of the present invention, the first string-like member is inserted through the through hole of the elastic spherical body, and the insertion direction is reversed between adjacent elastic spherical bodies. In addition, the second string-like member is inserted through the through hole of the elastic spherical body, and the insertion direction is set to be opposite to the insertion direction of the first string-like member. And a 1st string-like member and a 2nd string-like member are fastened by each of the both ends of the some elastic spherical body located in a line.
For this reason, the first string-like member and the second string-like member intersect in the through hole of the elastic spherical body. Thereby, it is controlled that the elastic spherical body connected linearly via the string-like member rotates, and the position and posture of each elastic spherical body can be stabilized. Thereby, quality can be equalized over the entire surface of the shock absorbing structure.

The protection hat provided with the impact-absorbing structure of Example 1 is shown, (a) is an external perspective view, and (b) is an explanatory perspective view showing the impact-absorbing structure. It is a perspective view which shows the impact absorption module of Example 1. FIG. It is a perspective view which shows the shock absorption row | line | column member of Example 1, (a) shows the state where the elastic spherical body space | interval has opened, (b) shows the state where the elastic spherical body space | interval is clogged. FIG. 3 is a plan view showing a shock absorbing row member of Example 1. It is a figure which shows an elastic spherical body, (a) is a perspective view which shows an external appearance, (b) is a longitudinal cross-sectional view. It is a figure which shows the manufacturing method of the protective cap of Example 1, (a) shows an impact-absorption row | line | column member fixing process, (b) shows an upper cloth coating process. It is a figure which shows the manufacturing method of the protective cap of Example 1, (c) shows an impact-absorbing module connection process, (d) shows a sewing margin end process. It is a perspective view which shows the other example of an impact absorption module.

  Hereinafter, the best mode for realizing the shock absorbing structure of the present invention and the protective hat provided therewith will be described based on Example 1 shown in the drawings.

  First, the configurations of the shock absorbing structure and the protective cap of Example 1 are “the configuration of the protective cap provided with the shock absorbing structure”, “the configuration of the shock absorbing module”, “the configuration of the elastic spherical body”, and “the protective cap”. The manufacturing method will be described separately.

[Configuration of protective hat with shock absorbing structure]
FIG. 1 shows a protective cap provided with the shock absorbing structure of Example 1, (a) is an external perspective view, and (b) is an explanatory perspective view showing the shock absorbing structure.

  A protective cap 1 shown in FIG. 1 protects the head from an external force applied from the outside by covering the head. The protective cap 1 includes a top 3 that covers the top, a side 4 that surrounds the top 3 and covers the head, and a collar that protrudes forward from the forehead 4 a of the side 4. 5 and have.

  The top 3 is formed of a cloth material with good air permeability. The cloth material can be arbitrarily selected from cotton and synthetic fiber. Further, it may be a double-structured cloth material in which a back cloth is provided for the front cloth, or a so-called quilted cloth material in which cotton or the like is sandwiched between the front cloth and the back cloth.

  The side surface portion 4 is formed by connecting a plurality of shock absorbing modules 10 including a plurality of shock absorbing row members (shock absorbing structure bodies) 20 in the circumferential direction. Here, the week direction of the side surface portion 4 and the length direction of the shock absorbing row member 20 coincide with each other, and the shock absorbing row member 20 extends along the circumferential direction of the side surface portion 4.

  The collar portion 5 is formed by covering a plastic core material (not shown) with a cloth material.

[Configuration of shock absorbing module]
FIG. 2 is a perspective view illustrating the shock absorbing module according to the first embodiment. 3A and 3B are perspective views showing the shock absorbing row member of the first embodiment. FIG. 3A shows a state where the elastic spheres are spaced apart, and FIG. 3B shows a state where the elastic spheres are clogged. . FIG. 4 is a plan view illustrating the shock absorbing row member of the first embodiment.

  The shock absorbing module 10 has a rectangular sheet shape having a size obtained by dividing the side surface portion 4 into a plurality of portions in the circumferential direction, and includes a plurality of shock absorbing row members (shock absorbing structures) 20 and the shock absorbing row members 20. And a cloth member 11 for assembling them in a planar shape.

  As shown in FIG. 3 and FIG. 4, the shock absorbing row member 20 has a plurality of (here, five) elastic spherical bodies 21 assembled in a linear manner via a string-like member 22 having a soft coupling structure. Is. At this time, both end portions 22 a and 22 b of the string-like member 22 extend in the length direction from both ends of the shock absorbing row member 20. That is, the length of the string-like member 22 is larger than the total length L when the plurality of elastic spherical bodies 21 are arranged in contact with each other so that the interval between the plurality of elastic spherical bodies 21 can be freely changed in an arbitrary range. Is also reasonably long. In addition, when the length of the string-like member 22 is significantly longer than the total length L when the elastic spherical bodies 21 are arranged, there is a concern that the intervals between the plurality of elastic spherical bodies 21 are too large. Therefore, the length of the string-like member 22 needs to be set so that the interval between the plurality of elastic spherical bodies 21 does not have an unnecessarily large dimension.

  The cloth member 11 is formed of a cloth material having good air permeability. The cloth material can be arbitrarily selected from cotton and synthetic fiber. The cloth member 11 includes a lower cloth member 12 and an upper cloth member 13.

The lower cloth member 12 has a plurality of shock absorbing row members 20 placed in parallel, and both end portions 22a and 22b of a string-like member 22 connected to a plurality of elastic spherical bodies 21 are sewn and fixed. That is, the plurality of shock absorbing row members 20 are arranged on the lower cloth member 12 in a state in which the direction of the length direction is aligned, and both end portions 22a and 22b of the string-like member 22 extending from both ends are formed on the lower cloth member 12. It is sewn and fixed.
At this time, each elastic spherical body 21 is placed in a state in which an opening edge portion of a lower ventilation hole 23 a described later is in contact with the lower cloth member 12.

  The upper cloth member 13 covers the plurality of shock absorbing row members 20 placed on the lower cloth member 12 and is fixed to the lower cloth member 12 at a peripheral position of the shock absorbing row member 20. That is, the upper cloth member 13 is sewn to the lower cloth member 12 between the adjacent shock absorbing row members 20 and is also sewn to the lower cloth member 12 along the periphery of the plurality of shock absorbing row members 20. Fixed. Accordingly, the plurality of shock absorbing row members 20 are surrounded by the cloth member 11.

  Note that the shock absorbing module 10 can be set to an arbitrary size or shape by arbitrarily setting the length of the shock absorbing row members 20 and the number when they are arranged in parallel.

[Configuration of elastic sphere]
FIG. 5 is a view showing an elastic spherical body, (a) is a perspective view showing an appearance, and (b) is a longitudinal sectional view.

The elastic sphere 21 is formed into a hollow sphere having a substantially spherical outer diameter, and is elastically deformed according to the magnitude and direction of an external force applied from the outside. Here, the elastic spherical body 21 is formed of an elastic material made of polypropylene. In addition, the elastic spherical body 21 has a lower vent hole 23a that connects the inside and outside of the elastic spherical body 21 at the lower end 21a, and an upper vent hole 23b that connects the inside and outside of the elastic spherical body 21 to the upper end 21b. Is formed.
The lower vent hole 23a and the upper vent hole 23b are formed at positions facing each other, and pass through between the lower end 21a and the upper end 21b of the elastic spherical body 21. That is, a through hole penetrating through the center of the elastic spherical body 21 is formed by the lower vent hole 23a and the upper vent hole 23b.
In the elastic spherical body 21, in the first embodiment, the thickness of the outer shell is about 0.3 mm, the diameter is about 11 mm, and the opening diameters of the vent holes 23a and 23b are each about 6 mm.

[Configuration of string-like member with soft coupling structure]
The string-like member 22 is a string member made of synthetic fiber such as nylon that is difficult to expand and contract in the length direction, and includes a first string-like member 24 and a second string-like member 25.

  The first string-like member 24 is inserted into the lower vent holes 23a and the upper vent holes 23b of the plurality of elastic spherical bodies 21 arranged in a line, penetrates through the elastic spherical bodies 21, and is adjacent to the elastic spherical bodies. Between 21, the direction of insertion into the air holes 23 a and 23 b is reversed.

  That is, the first string-like member 24 is inserted from the upper vent hole 23b to the lower vent hole 23a in the elastic spherical body 21 (21A in FIG. 3) located on the rightmost side in FIG. Subsequently, in the adjacent elastic spherical body 21 (21B in FIG. 3), the lower vent hole 23a is inserted into the upper vent hole 23b. Thus, the 1st string-like member 24 is inserted in each elastic spherical body 21 from the rightmost side to the leftmost side in order, changing an insertion direction alternately.

  The second string-like member 25 is inserted into the lower vent hole 23a and the upper vent hole 23b of the plurality of elastic spherical bodies 21 arranged in a line, penetrates the elastic spherical body 21, and the insertion direction at this time Is set in the direction opposite to the insertion direction of the first string-like member 24.

  That is, the second string-like member 25 is inserted from the lower vent hole 23a to the upper vent hole 23b in the elastic spherical body 21 (21A in FIG. 3) located on the rightmost side in FIG. Subsequently, the adjacent elastic spherical body 21 (21B in FIG. 3) is inserted from the upper vent hole 23b to the lower vent hole 23a. In this way, the second string-like member 25 is inserted through the respective elastic spherical bodies 21 from the rightmost side to the leftmost side in order while the insertion direction is opposite to the first string-like member 24.

  The first string-like member 24 and the second string-like member 25 intersect each other inside each elastic spherical body 21.

  Furthermore, both ends of the second string-like member 25 are respectively fastened to the first string-like member 24 at both ends of the plurality of elastic spherical bodies 21 arranged in a line, that is, at both ends of the shock absorbing column member 20. . At this time, the interval L1 between the fastening portions 26 and 26 at both ends of the first and second string-like members 24 and 25 is appropriately larger than the total length L when the plurality of elastic spherical bodies 21 are arranged in contact with each other. The interval between the plurality of elastic spherical bodies 21 can be freely changed in an arbitrary range. If the interval L1 between the fastening portions 26, 26 is significantly longer than the total length L when the elastic spherical bodies 21 are arranged, there is a concern that the intervals between the plurality of elastic spherical bodies 21 are too large. Therefore, the length of the space | interval L1 needs to be set so that the space | interval of the some elastic spherical body 21 may not become a dimension beyond necessity.

[Method of manufacturing shock absorbing structure]
Next, the manufacturing method of the protective hat 1 of Example 1 is demonstrated.
6A and 6B are diagrams showing a method for manufacturing a protective cap of Example 1, (a) showing a shock absorbing row member fixing step, (b) showing a top cloth covering step, and (c) being a step. The shock absorbing module connecting step is shown, and (d) shows the sewing margin finishing step.

In the shock absorbing column member fixing step shown in FIG. 6A (a), the shock absorbing column member 20 formed in advance by connecting the plurality of elastic spherical bodies 21 by the first string member 24 and the second string member 25. Is placed on the lower cloth member 12 of the cloth member 11. At this time, the direction of the shock absorbing row member 20 is adjusted so that the lower ventilation hole 23 a of each elastic spherical body 21 faces the lower cloth member 12.
When the shock absorbing row member 20 is placed, both end portions 22a and 22b of the string-like member 22 extending from both ends of the shock absorbing row member 20 are sewn and fixed to the lower cloth member 12. At this time, the sewing position is spaced from the elastic spherical body 21 positioned at the extreme end by a predetermined distance (here, about 1 cm).

  In the upper cloth covering step shown in FIG. 6A (b), the upper cloth member 13 of the cloth member 11 is put on the shock absorbing row member 20 whose both ends are fixed to the lower cloth member 12. Then, both sides of the shock absorbing row member 20 are sewn along the length direction, and the upper cloth member 13 is fixed to the lower cloth member 12. Thereby, the shock absorbing row member 20 is built in between the lower cloth member 12 and the upper cloth member 13.

  Then, the shock absorbing row member fixing step and the upper cloth covering step are repeated for each shock absorbing row member 20, and an arbitrary number of shock absorbing row members 20 are arranged in the row direction and attached to the cloth member 11. Absorption module 10 is formed. That is, the size of the shock absorbing module 10 is determined by the length of each shock absorbing row member 20 and the number of shock absorbing row members 20 arranged in the row direction.

  In the shock absorbing module connecting step shown in FIG. 6B (c), the lengthwise ends of the shock absorbing column members 20 of the shock absorbing module 10 formed to have an arbitrary size are joined together. Arbitrary size in the vertical direction. At this time, the cloth members 11 extending from both ends in the lengthwise direction of the shock absorbing row member 20 are sewn together at the position of the two-dot chain line shown in FIG. And then split the seam around the center.

  6B (d), the contact cloth M is put on the seam allowance N put out on the front side in the shock absorbing module connecting process, and the apply cloth M is sewn and fixed in a state where the seam allowance N is hidden.

  Then, the shock absorbing module connecting step and the sewing margin finishing step are repeated according to the design of the protective cap 1 to finish the plurality of shock absorbing modules 10 into the shape of the side surface portion 4 of the protective cap 1. And if the side part 4 is formed, the top part 3 and the collar part 5 which were formed in another process will be sewn together, and the protective cap 1 will be formed.

  Next, the effects of the shock absorbing structure and the protective cap of Example 1 will be described separately for the “position stabilizing action of the elastic spherical body”, the “impact absorbing performance ensuring action”, and the “ventilating performance ensuring action”.

[Attitude stabilization of elastic sphere]
In the shock absorbing row member (shock absorbing structure) 20 of the first embodiment, the elastic spherical body 21 has a lower vent hole 23a and an upper vent hole 23b which are through holes penetrating through the center. On the other hand, a string-like member (soft coupling structure) 22 that aggregates a plurality of elastic spherical bodies 21 includes a first string-like member 24 and a second string-like member 25.

The first string-like member 24 is inserted into the lower air holes 23a and the upper air holes 23b of the plurality of elastic spherical bodies 21 arranged in a line and penetrates the elastic spherical bodies 21, and adjacent elastic spherical bodies. Between 21, the direction of insertion into the air holes 23 a and 23 b is reversed.
On the other hand, the second string-like member 25 is inserted into the lower vent holes 23a and the upper vent holes 23b of the plurality of elastic spherical bodies 21 arranged in a line, penetrates the elastic spherical bodies 21, and is inserted at this time. The direction is set in the direction opposite to the insertion direction of the first string-like member 24.

  For this reason, the first string-like member 24 and the second string-like member 25 intersect each other inside each elastic spherical body 21. Thereby, the direction in which each elastic spherical body 21 can rotate with respect to the first string-like member 24 and the direction in which each elastic spherical body 21 can rotate with respect to the second string-like member 25 are reversed. Therefore, even if the elastic spherical body 21 tries to rotate in a direction rotatable with respect to one of the string-like members, the rotation is restricted by the other string-like member. As a result, each elastic spherical body 21 does not rotate.

  Further, the interval L1 between the fastening portions 26, 26 at both ends of the first and second string-like members 24, 25 is appropriately longer than the total length L when the plurality of elastic spherical bodies 21 are arranged. The interval between the elastic spherical bodies 21 can be freely changed in an arbitrary range. That is, the interval between the plurality of elastic spherical bodies 21 is regulated by the interval L1 between the fastening portions 26 and 26, and the interval does not increase more than necessary. Therefore, the movement of each elastic spherical body 21 is restricted, and an appropriate interval can be maintained.

  As described above, the rotation and movement of each elastic spherical body 21 are restricted, so that the posture of the elastic spherical body 21 can be stabilized.

  In addition, the shock absorbing row member 20 of the first embodiment is a shock absorbing module 10 by being built in the cloth member 11. Therefore, movement and deflection are suppressed by the cloth member 11, and the posture can be further stabilized.

  In particular, in the shock absorbing module 10 of the first embodiment, the upper cloth member 13 is sewn and fixed to the lower cloth member 12 for each row of the shock absorbing row member 20. That is, the space between the shock absorbing row members 20 is fixed by sewing. Thereby, the rotation and movement of the shock absorbing row member 20 are further suppressed, and the posture can be stabilized.

  And in the protective hat 1 which formed the side part 4 by such an impact-absorbing module 10, even if contact with the head by wear arises, rotation and movement of the elastic spherical body 21 incorporated in the cloth member 11 are suppressed. Is done. Therefore, quality such as shock absorption and air permeability can be made uniform over the entire side surface portion 4.

[Shock absorption performance securing action]
When an external force is input to the protective cap 1 of the first embodiment from the outside, each elastic spherical body 21 is elastically deformed according to the magnitude and direction of the external force, and absorbs an impact caused by the external force. At this time, each elastic spherical body 21 has a substantially spherical outer shape, and thus exhibits impact absorbing performance from all directions.

  Furthermore, each elastic spherical body 21 is connected by the 1st string-like member 24 and the 2nd string-like member 25, and is further built in between the lower cloth member 12 and the upper cloth member 13, and cannot move or rotate. Absent. Thereby, each elastic spherical body 21 can receive the input external force, can deform | transform reliably, and can ensure impact absorption performance. That is, if the elastic spherical body 21 is rotated or moved by the input external force, the elastic spherical body 21 may not be partly elastically deformed and cannot sufficiently absorb the impact.

  On the other hand, in the protective cap 1 of the first embodiment, the rotation and movement of the elastic spherical body 21 are regulated regardless of the magnitude and direction of the external force, and the elastic cap 21 can be reliably elastically deformed to absorb the impact. The shock absorbing performance can be made uniform over the entire surface of 1.

  Further, the interval L1 between the fastening portions 26 and 26 at both ends of the first and second string-like members 24 and 25 is appropriately longer than the total length L when the plurality of elastic spherical bodies 21 are arranged in contact with each other. Thereby, the space | interval of the elastic spherical body 21 can be opened to required extent. As a result, the shock absorbing row member 20 can be made flexible, and the shock can be absorbed without gaps by fitting to the shape of the head.

[Ensuring airflow performance]
In the protective cap 1 according to the first embodiment, the rotation and movement of each elastic spherical body 21 are restricted, so that the lower ventilation hole 23a serving as a through hole penetrating through the center of the elastic spherical body 21 and the upper communication hole are provided. The air holes 23b are held in a state in which they are oriented in a direction perpendicular to the cloth member 11.

  Therefore, for example, the air flowing from the lower cloth member 12 side passes between the adjacent elastic spherical bodies 21 after passing through the lower cloth member 12, or from the lower vent hole 23a to the inside of the elastic spherical body 21. It enters and is discharged from the upper vent 23b. Then, it flows through the upper cloth member 13.

  At this time, the elastic spherical body 21 is not moved or rotated by being connected by the first string-like member 24 and the second string-like member 25. For this reason, a predetermined interval is ensured between the adjacent elastic spherical bodies 21, and the directions of the lower vent hole 23a and the upper vent hole 23b are defined. Therefore, since the elastic spherical body 21 faces in a certain direction, the air flow flowing from the lower cloth member 12 to the upper cloth member 13 is not obstructed, and a constant ventilation is provided over the entire side surface 4 of the protective cap 1. Performance can be ensured.

  In addition, since air flows smoothly also from the upper cloth member 13 side to the lower cloth member 12 side, ventilation performance is ensured.

Next, the effect will be described.
In the impact absorbing member (impact absorbing structure) 10 of Example 1, the effects listed below can be obtained.

(1) A soft coupling structure (string) in which the outer shape is spherical and the plurality of elastic spherical bodies 21 that are elastically deformed according to the magnitude and direction of external force applied from the outside are kept low in rigidity so as to be deformable according to the external force. In the shock absorbing structure (shock absorbing column member) 20 assembled linearly via the shape-like member 22,
The elastic spherical body 21 has through-holes (lower air holes 23a, upper air holes 23b) penetrating through the center,
The soft coupling structure 22 connects one end portion to the other end portion of the plurality of elastic spherical bodies 21 arranged in a line, and the penetration direction of the through holes 23a and 23b of each elastic spherical body 21 Having a string-like member 22 for maintaining
The string-like member 22
A first string-like member 24 that is inserted into the through holes 23a and 23b of the elastic spherical body 21 and whose insertion direction is reversed between the adjacent elastic spherical bodies 21;
The elastic spherical body 21 is inserted through the through holes 23a and 23b, the insertion direction is set to be opposite to the insertion direction of the first string-like member 24, and the plurality of the elastic spherical bodies arranged in a line. A second string-like member 25 coupled to the first string-like member 24 at each of both ends of the body 21;

It was set as the structure provided with.
For this reason, the position and attitude | position of each elastic spherical body 21 couple | bonded via the soft coupling structure 22 can be stabilized, and quality can be equalized over the whole surface.

  (2) A soft coupling structure (string) in which the outer shape is spherical and the plurality of elastic spherical bodies 21 that are elastically deformed according to the magnitude and direction of external force applied from the outside are kept low in rigidity so as to be deformable according to the external force. Shock-absorbing module comprising: a shock-absorbing structure (shock-absorbing array member) 20 assembled linearly via a shape-like member 22; and a cloth member 11 in which the shock-absorbing structures 20 are gathered in a planar shape. 10

The elastic spherical body 21 has through-holes (lower air holes 23a, upper air holes 23b) penetrating through the center,
The soft coupling structure 22 connects one end portion to the other end portion of the plurality of elastic spherical bodies 21 arranged in a line, and the penetration direction of the through holes 23a and 23b of each elastic spherical body 21 Having a string-like member 22 for maintaining
The string-like member 22
A first string-like member 24 that is inserted into the through holes 23a and 23b of the elastic spherical body 21 and whose insertion direction is reversed between the adjacent elastic spherical bodies 21;
The elastic spherical body 21 is inserted through the through holes 23a and 23b, the insertion direction is set to be opposite to the insertion direction of the first string-like member 24, and the plurality of the elastic spherical bodies arranged in a line. A second string-like member 25 coupled to the first string-like member 24 at each of both ends of the body 21, and
The cloth member 11 is
A plurality of the elastic spherical bodies (shock absorbing column members) 20 gathered linearly via the string-like member 22 are placed in a state where the opening edges of the through holes 23a and 23b are in contact with each other, and the string-like shape A lower cloth member 12 to which both ends of the member 22 are fixed;
An upper cloth member 13 that covers the elastic spherical body 21 placed on the lower cloth member 12 and is fixed to the lower cloth member 12 at a peripheral position of the elastic spherical body 21;
It was set as the structure provided with.
For this reason, the position and attitude | position of each elastic spherical body 21 couple | bonded via the soft coupling structure 22 can be stabilized, and quality can be equalized over the whole surface.

(3) A soft coupling structure (string) in which the outer shape is spherical and a plurality of elastic spherical bodies 21 that are elastically deformed according to the magnitude and direction of external force applied from the outside are kept low in rigidity so as to be deformable according to the external force. In the protective cap 1 provided with the shock absorbing structure (shock absorbing column member) 20 assembled linearly via the shaped member) 22,
The elastic spherical body 21 has through-holes (lower air holes 23a, upper air holes 23b) penetrating through the center,
The soft coupling structure 22 connects one end portion to the other end portion of the plurality of elastic spherical bodies 21 arranged in a line, and the penetration direction of the through holes 23a and 23b of each elastic spherical body 21 Having a string-like member 22 for maintaining
The string-like member 22
A first string-like member 24 that is inserted into the through holes 23a and 23b of the elastic spherical body 21 and whose insertion direction is reversed between the adjacent elastic spherical bodies 21;
The elastic spherical body 21 is inserted through the through holes 23a and 23b, the insertion direction is set to be opposite to the insertion direction of the first string-like member 24, and the plurality of the elastic spherical bodies arranged in a line. A second string-like member 25 coupled to the first string-like member 24 at each of both ends of the body 21;
It was set as the structure provided with.
For this reason, the position and attitude | position of each elastic spherical body 21 couple | bonded via the soft coupling structure 22 can be stabilized, and quality can be equalized over the whole surface.

  (4) A plurality of the elastic spherical bodies 21 gathered linearly via the string-like member 22 are placed in a state where the opening edges of the through holes 23a and 23b are in contact with each other, and the string-like member 22 A lower cloth member 12 having both ends fixed;

An impact absorbing module 10 comprising: an upper cloth member 13 that covers the elastic spherical body 21 placed on the lower cloth member 12 and is fixed to the lower cloth member 12 at a peripheral position of the elastic spherical body 21. With
The shock absorbing module 10 is configured to form at least one of the top part 3 covering the top part or the side part 4 surrounding the top part 3 and covering the head part.
For this reason, by using the shock absorbing module 10 as the material of the protective cap 1, it is possible to reduce wasteful material costs and reduce the manufacturing process, and to improve productivity by suppressing an increase in manufacturing costs. Can do.

  As described above, the shock absorbing structure 20, the shock absorbing module 10, and the protective cap 1 of the present invention have been described based on the first embodiment. However, the specific configuration is not limited to the first embodiment. Design changes and additions are permitted without departing from the spirit of the invention according to each claim of the scope.

In Example 1, although the string-like member 22 which connects the elastic spherical body 21 is comprised from the synthetic fiber which is hard to expand-contract in a length direction, it is not restricted to this. For example, it may be a so-called rubber string that can expand and contract in the length direction. Even in this case, rotation and movement of each elastic spherical body 21 can be suppressed by using the first string-like member and the second string-like member.
Further, the shock absorbing structure 20 of the first embodiment is sandwiched between the lower cloth member 12 and the upper cloth member 13 to form the shock absorbing module 10, and the protective cap 1 is formed using the shock absorbing module 10. However, it is not limited to this. A supporter that protects the elbows, knees, and the like from external forces may be formed by attaching the shock absorbing module 10 having the shock absorbing structure 20 of the first embodiment, for example, to the limbs.

Moreover, although the cloth member 11 of Example 1 is cotton etc. which have air permeability, you may use a nonwoven fabric like a felt fabric. By using various materials for the cloth member 11, it is possible to provide a protective hat 1 that is excellent in design and at the same time fits very well on the head and is comfortable to wear.
And in the impact-absorbing module 10 of Example 1, the impact-absorbing structure 20 is inserted | pinched between the cloth members and it is made to gather in planar shape, However, it is not restricted to this. For example, as shown in FIG. 7, a plurality of linear shock absorbing structures 20 may be connected by a thread 30 penetrating the elastic spherical body 21 to have a planar shape.

  Furthermore, in the first embodiment, the shock absorbing module 10 is oriented such that the length direction of the shock absorbing row member 20 is along the circumferential direction of the side surface portion 4, but is not limited thereto. The length direction of the shock absorbing row member 20 may be a vertical direction with respect to the side surface portion 4, or may be inclined obliquely. By appropriately changing the application direction, size, and the like of the shock absorbing module 10, various types of protective caps 1 can be obtained. Further, the top portion 3 may be formed by the shock absorbing module 10.

DESCRIPTION OF SYMBOLS 1 Protective cap 3 Top part 4 Side part 10 Impact absorption module 11 Cloth member 12 Lower cloth member 13 Upper cloth member 20 Shock absorption row member (shock absorption structure)
21 Elastic spherical body 22 String-like member 23a Lower air vent (through hole)
23b Upper vent (through hole)
24 1st string-like member 25 2nd string-like member

Claims (5)

The outer shape is spherical, and a plurality of elastic spherical bodies that are elastically deformed according to the magnitude and direction of external force applied from the outside are linearized via a soft coupling structure with low rigidity so as to be deformable according to the external force. In the assembled shock absorbing structure,
The elastic spherical body has a through-hole penetrating through the center,
The soft coupling structure connects a plurality of linearly arranged elastic spheres from one end to the other end, and keeps the penetrating direction of the through holes of each elastic sphere parallel to each other. Having a member
The string member is
A first string-like member that is inserted through the through-hole of the elastic spherical body and whose insertion direction is reversed between adjacent elastic spherical bodies;
The elastic spherical body is inserted into the through-hole, and the insertion direction is set to be opposite to the insertion direction of the first string-like member, and the ends of the plurality of elastic spherical bodies arranged in a line are arranged. A second string-like member coupled to the first string-like member respectively;
A shock absorbing structure characterized by comprising: The shock absorbing structure according to claim 1,
The said string-like member has the elasticity which can be expanded-contracted in a length direction, The impact-absorbing structure characterized by the above-mentioned. The outer shape is spherical, and a plurality of elastic spherical bodies that are elastically deformed according to the magnitude and direction of external force applied from the outside are linearized via a soft coupling structure with low rigidity so as to be deformable according to the external force. In an impact absorbing module comprising: an assembled shock absorbing structure; and a cloth member in which the impact absorbing structure is assembled in a planar shape.
The elastic spherical body has a through-hole penetrating through the center,
The soft coupling structure connects a plurality of linearly arranged elastic spheres from one end to the other end, and keeps the penetrating direction of the through holes of each elastic sphere parallel to each other. Having a member
The string member is
A first string-like member that is inserted through the through-hole of the elastic spherical body and whose insertion direction is reversed between adjacent elastic spherical bodies;
The elastic spherical body is inserted into the through-hole, and the insertion direction is set to be opposite to the insertion direction of the first string-like member, and the ends of the plurality of elastic spherical bodies arranged in a line are arranged. A second string member fastened to the first string member, respectively,
The cloth member is
A plurality of the elastic spherical bodies gathered in a line via the string-like member are placed in a state where the opening edge portions of the through holes are in contact with each other, and a lower cloth member in which both ends of the string-like member are fixed; ,
An upper cloth member that covers the elastic spherical body placed on the lower cloth member and is fixed to the lower cloth member at a peripheral position of the elastic spherical body;
A shock absorbing module characterized by comprising: The outer shape is spherical, and a plurality of elastic spherical bodies that are elastically deformed according to the magnitude and direction of external force applied from the outside are linearized via a soft coupling structure with low rigidity so as to be deformable according to the external force. In the protective hat with the assembled shock absorbing structure,
The elastic spherical body has a through-hole penetrating through the center,
The soft coupling structure connects a plurality of linearly arranged elastic spheres from one end to the other end, and keeps the penetrating direction of the through holes of each elastic sphere parallel to each other. Having a member
The string member is
A first string-like member that is inserted through the through-hole of the elastic spherical body and whose insertion direction is reversed between adjacent elastic spherical bodies;
The elastic spherical body is inserted into the through-hole, and the insertion direction is set to be opposite to the insertion direction of the first string-like member, and the ends of the plurality of elastic spherical bodies arranged in a line are arranged. A second string-like member coupled to the first string-like member respectively;
Protective hat characterized by comprising. In the protective hat according to claim 4,
A plurality of the elastic spherical bodies gathered in a line via the string-like member are placed in a state where the opening edge portions of the through holes are in contact with each other, and a lower cloth member in which both ends of the string-like member are fixed; ,
An impact absorbing module comprising: an upper cloth member that covers the elastic spherical body placed on the lower cloth member and is fixed to the lower cloth member at a peripheral position of the elastic spherical body;
A protective cap characterized in that the shock absorbing module forms at least one of a top part covering the top part or a side part surrounding the top part and covering the head part.