JP2947772B2 - Shock absorbing cushion pad - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shock absorbing cushion pad used for an object to be impacted.

[0002]

2. Description of the Related Art Foot protection devices having means for positioning pads over certain special surfaces are not new. For example, U.S. Patent No. 37 used with an inflatable heel protection device according to U.S. Patent No. 4,266,298 and a curved playing pad to protect a person's arms and feet.
There is an inflatable bag according to US Pat.

[0003]

However, since none of the above-mentioned conventional devices has a cell-shaped shock prevention pad, there is a problem that a sufficient shock prevention function cannot be obtained.

The present invention has been made in view of the above problems, and has as its object to provide a cushion pad for shock absorption which is used for an impacted body and which can reduce a shock applied to the impacted body. .

[0005]

In order to achieve the above object, the present invention provides a plurality of cell dispersions including a plurality of cells made of an elastic material containing a fluid, and a fluid between the cells in the cell dispersion. A shock-absorbing cushion pad comprising a tube that allows movement of the cell dispersion, wherein the shock-absorbing cushion pad has a sheet shape in which the cell dispersion spreads on the same surface, and one of the cell dispersions A given cell is closer to a given cell than any other cell and
At least one nearby cell that has been disconnected from a given cell.
There is a contact cell, and there is at least one remote cell for the given cell, apart from one neighboring cell, and a given cell in each cell dispersion is at least one remote cell by the tube. Configuration.

[0006]

[Function] When an impact is applied to a part of the pad, the cell in the area where the impact is applied contracts due to pressure, and the fluid in the cell moves through the tube into another cell while receiving resistance. Therefore, the impact on the impacted body is reduced. In addition, since the cell dispersion is arranged in an intricate positional relationship with other cell dispersions, a plurality of cell dispersions can be provided instead of buffering a single cell dispersion against an impact acting on a pad. In most cases, the body performs buffering, and the buffering capacity is significantly improved.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing embodiments. FIGS. 1, 2A and 2B show a first embodiment. FIG. 1 is a perspective view showing the outline of the first embodiment. FIG.
The cushion pad 17 made of a cell and protecting the leg 16 is integrally formed with a bootie 15 made of a flexible elastic material such as latex or rubber. The cushion pad 17 protects the shin by covering the upper part of the ankle from the upper end 15a of the booty on the shock absorbing surface A, protects the instep by covering the vicinity of the toe from the ankle on the shock absorbing surface B, and protects the instep by the shock absorbing surface C. Protect. A portion surrounded by a dotted line D and a broken line E is an intermediate portion located between each of the shock absorbing surfaces A, B, and C having cells and a portion having no cells.

FIG. 2A is a sectional view of a cushion pad 17 integrally formed with a booty 15 made of latex or the like in a manufacturing process. Each cell 18 is formed into a circular or hexagonal shape by applying heat and pressure to the upper layer of latex or the like using a mold, and the height is selected depending on the expected magnitude of impact at 2 to 5 mm. . The cell 18 is filled with air, liquid, gel or a mixture thereof according to an external force. The surface 20 of the cell 18 and the surface 19 of the booty 15
In contact. A dotted line D in FIG. 1 is a boundary line between the shock absorbing surfaces A, B and C and the intermediate portion. And gradually decrease.

FIG. 2B is a cross-sectional view of the cushion pad 17 similarly to FIG. 2A, but one bag-shaped cell 23 is provided at an intermediate portion from the dotted line D to the contact point E. 2
The three parts of the cell surface 20 are inclined toward the contact point E. The presence of the intermediate portion prevents external forces from being concentrated on the boundary portion D between the shock absorbing surfaces A, B, and C and the booty surface 19.

FIG. 3 shows a second embodiment of the present invention, and is a perspective view of a cushion pad that can be separated and removed. Nylon,
Conventional stocking material 26 such as cotton and spandex
Has a thickness of 2 to 5 mm and has elasticity. Stocking material 26 is a registered trademark VELCR
An O mat 27 is attached and covers the shock absorbing surfaces A, B, C. The cushion pad is hook-shaped V stuck on the back side
The ELCRO mat 28 ensures that the ELCRO mat 28 is detachably attached to the VELCRO mat 27.

FIG. 4 is a perspective view of a third embodiment according to another mounting method of the cushion pad. The sock 30 is made of a conventional stocking material 31 like the sock 25 of FIG. 3, but V-shaped portions are formed at portions corresponding to both ends of the shock absorbing surfaces A, B and C.
An ELCRO mat strip 32 is attached. The hook-shaped VELCRO mats 33 are attached to both ends on the back side of the cushion pad, and are adhered to the VELCRO mat strips 32. This facilitates removal of the cushion pad.

FIGS. 5A to 5D show examples of cell arrangement in a cushion pad. In FIG. 5A, in the cushion pad 35, six continuous cells 36 form a hexagonal cell dispersion, and a central cell 37 is arranged on the same plane. The six continuous cells 36 and the central cell 37 are connected by a very small diameter tube 38, and when one or more of the cells are compressed, the pressure is distributed to the continuous cells. A plurality of independent cells 39 are arranged around the six continuous cells 36 and the central cell 37. These cells are made of an elastic material such as latex or rubber.

In a cushion pad 40 shown in FIG. 5B, six continuous cells 36 and a center cell 37 are connected by a very small tube 38, as in FIG. 5A. Some hexagonal cell dispersions consisting of seven consecutive cells on the same plane partially overlap. In the space between the continuous cell 36 and the center cell 37, an independent cell 39 is arranged.

In FIG. 5C, FIG. 5A and FIG.
Similarly to the above, the cushion pad 45 is
, A continuous cell 36 and a central cell 37 connected to a hexagonal cell dispersion, and the three hexagons are shifted little by little so that each central cell 37 converges at the center. Therefore, the very small diameter tubes 38 partially overlap like the cushion pad 40 in FIG. 5B.

In FIG. 5D, the cushion pad 50 is similar to the cushion pads 35, 40 and 45 described above.
The continuous cells and the central cell 37 are connected by a very small diameter tube 38. Further, inside the cell dispersion of the hexagonal ring, six internal cells 51 forming a partially cut circular shape are connected by a very small diameter tube 52 and surround the central cell 37. The hexagonal ring and the inner ring are independent of each other,
The external forces are distributed to the cells in each ring.

FIG. 6 is a diagram showing a method of forming a cushion pad 50 having a sandwich structure of an upper layer 55 and a lower layer 56 formed from an elastic material by a vacuum forming method.
The upper layer 55 includes the continuous cell 36, the center cell 37, and the internal cell 5
1 and the upper half of the very small diameter tubes 38 and 52 to the lower layer 56.
Has the lower half of the cell and tube, and is bonded by applying an adhesive to the inside.

In each of the connected cells, a liquid such as air or water, a gel, or a mixture thereof is filled with a cushion pad 5.
0 in the molding process. In the case of air, a special process is unnecessary because it is naturally contained in the cell, but in the case of liquid or gel, a predetermined process is required. That is, after the liquid or gel is injected by a heated hollow needle or the like, the cell must be sealed by welding or the like.

In order to reinforce the upper layer 55 and the lower layer 56 and disperse the external force, the upper cover layer 57 and the lower cover layer 58
Are attached to the outside of the upper layer 55 and the lower layer 56, respectively. The cover layers 57 and 58 are in contact with the top of the cell surface,
The cell is sealed by closing the liquid or gel injection hole.

In the cushion pad 60 shown in FIG. 7, the cells 61 are connected in a U-shape by a micro-diameter tube 62, and the U-shaped cell dispersions enter each other. The cell 61 is filled with air, liquid, gel or the like, and the cushion pad 60 can be sandwiched between upper and lower cover layers.

FIG. 8 shows a cushion pad 6 similar to FIG.
In 5, cells 66 connected in a U-shape by an ultra-small diameter tube 67 enter each other, and small cells 68 linearly connected by an ultra-small diameter tube 69 are arranged therebetween. The cells and tubes are filled with air, liquid or gel in response to external forces.

In the cushion pad 70 shown in FIG. 9, four cells 71 are connected to a center cell 73 by a very small diameter tube 72 to form a star-shaped cell dispersion. The cell 71 and the center cell 73 are filled with air, liquid or gel in the cell and the tube according to an external force.

In the cushion pad shown in FIG. 10, cells 77 and 76 having different sizes are formed into a star-shaped cell dispersion by extremely small-diameter tubes 78 radially arranged from the center cell 79 at equal intervals. An independent cell 80 is located between the legs. Cells 76, 77 and center cell 79
Is filled with a medium such as air, liquid, or gel, and the independent cell 80 is filled with another medium or a similar medium. Although not shown, the cushion pads 75 can be sandwiched between upper and lower cover layers.

FIG. 5C shows the cushion pad of FIG.
3. The continuous cells are connected by a very small diameter tube as shown in 3.
One section is constituted by two hexagonal cell dispersion bodies, and each section is housed in a cylindrical case 46 and is closed vertically, and functions as a cushion pad section.

FIGS. 12A, 12B and 13
(A), FIG. 13 (B), FIG. 14, FIG. 15, and FIG. 16 all show simplified arrangement and connection of cells to facilitate fabrication.

In FIG. 12A, three sets of V-shaped cell dispersion members 87 each composed of three cells 85 arranged in an equilateral triangle and two ultra-small diameter tubes 86 for connection are each of the ultra-small diameters. The tube 86 is assembled in a state where the tubes 86 are arranged in a parallel state. The cell located at the base of the V-shape is the center cell. In FIG. 12B, two of the cell dispersion members 87 of FIG.
6 are assembled in a close parallel state.

In FIG. 13 (A), four cells 85 arranged in a rhombus form a cell dispersion 88 which is connected as shown by three ultra-small diameter tubes 86. Are combined as shown. FIG. 13 (B)
In the cell dispersion 8, four cells 85 arranged in a rhombus are connected by three micro-diameter tubes 86 as shown.
9 are formed, and two of the cell dispersions 89 are combined as shown.

In FIG. 14, a cell dispersion 90 in which three cells 85b are radially arranged at an angle of 60 degrees with respect to the center cell 85a is combined as shown. In FIG.
Equilateral triangular cell dispersion unit 91 composed of three equilateral triangular cells 85 and three connecting ultra-small diameter tubes 86
Are arranged as shown. In FIG. 16, four cells 85 arranged in a rhombus are accommodated in a rhombus connected by four micro-diameter tubes 86 as shown in the figure, and two cells 85 connected by one micro-diameter tube 86 are accommodated therein. Thus, a cell dispersion 92 is formed.

The cell 85 is filled with air, liquid and gel.

[0029]

As described above, according to the present invention, it is possible to sufficiently reduce the impact applied to the impacted object.

[Brief description of the drawings]

FIG. 1 is a perspective view of a cushion pad according to a first embodiment.

2A is a cross-sectional view of the first embodiment, and FIG. 2B is a cross-sectional view of a first embodiment different from FIG.

FIG. 3 is a perspective view of a cushion pad according to a second embodiment.

FIG. 4 is a perspective view of a third embodiment.

5A to 5D are layout diagrams of cells in a cushion pad.

FIG. 6 is a view showing a method for forming a cushion pad having a sandwich structure.

FIG. 7 is a view showing a state in which cells are arranged in a U-shape and enter.

FIG. 8 is a view showing another arrangement state of a cell different from that of FIG. 7;

FIG. 9 is a diagram showing cells arranged in a star shape.

FIG. 10 is a diagram showing an arrangement of cells having different sizes.

FIG. 11 is a diagram showing cells arranged in a hexagon.

12A is a diagram showing one combination of cells arranged in three regular triangles, and FIG. 12B is a different set of cells arranged in three regular triangles from FIG. 12A; FIG.

FIG. 13 (A) shows four cells arranged in a rhombus with three cells.
The figure which shows one combination of the cell dispersion couple | bonded by the number of micro-diameter tubes, (B) The figure which shows another combination of the diamond-shaped cell dispersion.

FIG. 14 is a diagram showing a combination of a cell dispersion in which three cells are radially arranged at an angle of 60 degrees with respect to a center cell.

FIG. 15 is a diagram showing an arrangement of an equilateral triangular cell dispersion including cells arranged in three equilateral triangles and three ultra-small diameter tubes for connection.

FIG. 16 shows a cell in which two cells connected by one micro-tube are accommodated in a rhombus in which four cells arranged in a diamond are connected by four micro-tubes as shown in the figure. The figure which shows a dispersion.

[Explanation of symbols]

18, 22, 23, 36, 37, 61, 66, 71, 7
3, 76, 77, 85 ... cells, 38, 52, 62, 6
7, 69, 72, 78, 86 ... very small diameter tube (tube), 88 to 92 ... cell dispersion.

Claims (1)

(57) [Claims] 1. A cushioning pad for shock absorption, comprising: a plurality of cell dispersion bodies including a plurality of cells made of an elastic material containing a fluid; and a tube allowing movement of fluid between the cells in the cell dispersion body. The shock absorbing cushion pad is a sheet in which the cell dispersion is spread on the same surface, and a predetermined cell of each of the cell dispersions is a predetermined cell more than any other cell. Close to the predetermined cell and
There is at least one neighboring cell that has been made non-communicating, and there is at least one remote cell different from one neighboring cell for the given cell, and a given cell in each cell dispersion A cushion pad for absorbing shock, wherein said cushion pad is connected to at least one remote cell by said tube.