JP2020028710A - Three-dimensional lattice-shaped cushion - Google Patents

Abstract

To provide a three-dimensional lattice-shaped cushion having a high physical pressure dispersion property, and excellent in ventilation performance by devising a structure of the three-dimensional lattice-shaped cushion.SOLUTION: A three-dimensional lattice-shaped cushion 1 is constituted by alternately laminating a first rod-shaped material A continuing to right and left directions, and a second rod-shaped material B continuing to a depth direction. The first rod-shaped material A and the second rod-shaped material B are apart from each other, ventilation performance is thus secured by ventilation by a clearance between the materials, and a physical pressure dispersion property is secured by receiving the deformation of the rod-shaped materials caused by physical pressure by the separation clearance. Also, since the three-dimensional lattice-shaped cushion 1 exhibits a curved shape from one end toward the other end, the cushion is easily adapted to a body type and physique of a user and also adapted to a desired placing feeling of the user by use of a curved portion, and has a high physical pressure dispersion property. The curved shape is formed by thinning a length of Bout of the second rod-shaped material, or thinning a length of Aout of the first rod-shaped material up to the middle.SELECTED DRAWING: Figure 1

Description

  TECHNICAL FIELD The present invention relates to a three-dimensional lattice cushion having high body pressure dispersibility for reducing a repulsive force due to a user's own weight and having excellent breathability in which a plurality of rod-shaped members are separated and joined.

  As a conventional three-dimensional lattice cushion, as shown in Patent Literature 1, there is a three-dimensional lattice-shaped cushion having a cell that is an open upper side and is a partitioned space. This three-dimensional lattice cushion disperses body pressure due to the weight of a sitting person by inserting a pad into a cell, and reduces collapse of a partition wall due to the weight of a sitting person.

Utility Model Registration No. 3211111

  However, the three-dimensional lattice-shaped cushion disclosed in Patent Literature 1 has an overall shape of a plate having a rectangular shape in a plan view, and adjusts the distribution of body pressure with a pad inserted into the cell. The pads include a lumbar support pad, a pelvic support pad, an adduction prevention pad, an abduction prevention pad, and a thigh adjustment pad. In other words, various pads must be inserted into appropriate locations to ensure body pressure dispersibility, so that trial and error, such as placement of the pads, is required to suit individual users.

  In addition, since the pad is inserted into the cell partitioned by opening the upper part, air permeability is hindered by filling the upper opening, and it is attempted to secure the air permeability by giving the pad itself air permeability. However, deterioration of air permeability is inevitable.

  The present invention has been made in view of the above problems, and provides a three-dimensional lattice cushion having high body pressure dispersibility and excellent air permeability by devising the structure of the three-dimensional lattice cushion.

  In order to achieve the above object, the present invention provides the following.

  (1) A plurality of bar-shaped members are joined in a grid shape, and the bar-shaped members are formed by alternately stacking first bar-shaped members connected in a first direction and second bar-shaped materials connected in a second direction. .

  ADVANTAGE OF THE INVENTION According to this invention, since the three-dimensional lattice-shaped cushion joins several bar-shaped materials in the shape of a lattice, ventilation with a lattice clearance is good and air permeability can be ensured. In particular, since there are gaps in all directions, up, down, left, right, and back, heat does not stay inside and heat can be effectively released. In addition, deformation of the rod-shaped material caused by body pressure can be received in the gap, and body pressure dispersibility can be ensured.

  In addition, the first rod-shaped members and the second rod-shaped members are alternately stacked in a lattice pattern, and the first rod-shaped members or the second rod-shaped members are separated from each other. Alternatively, it is the second rod-shaped member, and the ground contact area with the human body is reduced to about half by the distance. For this reason, even if it touches a ground contact surface for a long time, it does not hurt and pain can be relieved.

  In addition, by adjusting the space between the gaps or the number of layers, a cushion desired by the user can be tailored. Adjustment according to physique and weight is possible.

  (2) A three-dimensional lattice cushion, wherein a wire net or a cushioning material is disposed between the laminations of the first rod-shaped member and the second rod-shaped member.

  According to the present invention, since the wire net or the cushioning material is disposed between the laminations of the first rod-shaped member and the second rod-shaped member, it is excellent in crush resistance and effectively exerts body pressure dispersibility. it can. Further, the strength of the three-dimensional lattice cushion can be increased.

  (3) A three-dimensional lattice cushion having a curved shape from one end to the other end.

  According to the present invention, since the three-dimensional lattice cushion has a curved shape that is inclined from one end to the other end, it can be easily adapted to the user's body shape and physique by using the curved portion, It is possible to adapt to the desired comfort, and has high body pressure dispersibility.

  (4) The three-dimensional lattice-like cushion, wherein the number of layers of the first rod-shaped material and / or the second rod-shaped material is gradually reduced.

  ADVANTAGE OF THE INVENTION According to this invention, a curved shape can be exhibited by reducing the lamination number of a 1st rod-shaped material and / or a 2nd rod-shaped material gradually. When the first and second rods are stacked, the number of the first and second rods, which hinder the formation of the curved shape, is reduced by thinning or dropping the first and second rods.

  (5) A three-dimensional lattice cushion in which a protrusion is provided on the first rod-shaped member or the second rod-shaped member located on the uppermost surface.

  According to the present invention, since the projection is provided on the uppermost surface of the three-dimensional lattice-shaped cushion, comfort can be enjoyed by adding an acupressure point by the projection. In addition, by forming a projection accommodation hole in the first rod-shaped material or the second rod-shaped material located on the uppermost surface of the three-dimensional lattice cushion, the projection can be easily accommodated in the projection accommodation hole, Can be easily realized.

  ADVANTAGE OF THE INVENTION According to this invention, the air permeability and body pressure distribution which were excellent without spoiling cushioning property by the three-dimensional lattice-shaped cushion of the shape devised that a several bar-shaped material was separated and joined without using a separate component. There is an effect that the property can be secured.

The front (rear) figure of the solid lattice-like cushion concerning this embodiment. The top view of the three-dimensional lattice-shaped cushion which concerns on this embodiment. The bottom view of the solid lattice-like cushion concerning this embodiment. The left view of the solid lattice-like cushion concerning this embodiment. The right view of the solid lattice-like cushion concerning this embodiment. The figure which shows a mode that the projection was attached to the three-dimensional lattice-shaped cushion which concerns on this embodiment. The figure which shows the example of the shape of a protrusion. FIG. 2 is an external perspective view of the three-dimensional lattice cushion according to the embodiment. FIG. 2 is an external perspective view of the three-dimensional lattice cushion according to the embodiment. FIG. 2 is an external perspective view of the three-dimensional lattice cushion according to the embodiment.

[First example]
1 to 5 are views showing an external configuration of a three-dimensional lattice cushion 1 according to the present embodiment. FIG. 1 is a front view (rear view), FIG. 2 is a plan view, FIG. 3 is a bottom view, and FIG. FIG. 5 is a right side view. Although the illustrated three-dimensional lattice cushion 1 has a curved shape, the cushion may not have a curved shape such as a rectangular shape or a round shape as an ordinary cushion. The three-dimensional lattice cushion can be used not only for medical care, but also for a seat cushion placed on a seat of a car or a chair, various mats such as a kitchen mat and a dining mat, and a mattress.

  Referring to FIG. 1, the three-dimensional lattice cushion 1 includes a first bar-shaped member A connected in the illustrated left-right direction (first direction) and a second bar-shaped member B connected in the illustrated depth direction (second direction). , Are alternately stacked to form a lattice. The plurality of first bar-shaped members A are spaced apart, and the plurality of second bar-shaped members B are spaced apart. Since the plurality of rods are separated from each other, the force applied to one rod is less likely to be transmitted to another rod, and high dispersibility can be exhibited. The first rod-shaped member A and the second rod-shaped member B are made of a material having high crush resistance, which is mainly made of breathable, low-repulsion soft urethane or soft polyester, and is basically a rectangular rod-shaped member. . In addition, urethane, polyester, or the like can be made of a hard material. In order to exhibit an inclined curved shape, the first bar-shaped material A and the second bar-shaped material B may be tapered, or may be triangular or trapezoidal.

  The material of the first rod-shaped material A and the second rod-shaped material B located at the lower part is made harder than the upper part, and the material of the first rod-shaped material A and the second rod-shaped material B located at the upper part is changed to the lower part. By making it softer than that of the above, the upper part that touches the human body is comfortable and the lower part that touches the floor or the like can secure crush resistance. Further, by making the first rod-shaped material A and the second rod-shaped material B soft at the ends of the curved portions, it is possible to improve the comfort of hitting the human body.

  In addition, the height of the first bar-shaped material A and the height of the second bar-shaped material B are set to be lower on the upper side and higher on the lower side. As described above, by appropriately adjusting the material, material, size, and the like of the first rod-shaped material A and the second rod-shaped material B, it is possible to provide a three-dimensional lattice-shaped cushion corresponding to the user's physique, body shape, and the like. .

As for the first bar-shaped material A, 25 columns = 5 columns × 5 rows are arranged in a row (see FIG. 4). That is, each of the plurality of first bar members A ₁₁ , A ₁₂ , A ₁₃ , A ₁₄ , and A ₁₅ in the first row is alternately stacked and separated from the second bar member B, and is separated from the second bar member. B is joined by a soft adhesive or heat welding (see FIG. 1). The first rod-shaped members A are arranged in five rows, and each of the plurality of first rod-shaped members A ₁₁ , A ₂₁ , A ₃₁ , A ₄₁ , A ₅₁ is separated so as not to overlap with each other, The second rod-shaped material B is joined by welding with a soft adhesive or heat (see FIG. 2).

As for the second bar-shaped members B, 45 rows of 5 rows × 9 rows = 45 rows are arranged and arranged (see FIG. 1). That is, each of the plurality of second bar-shaped members B ₁₁ , B ₂₁ , B ₃₁ , B ₄₁ , B ₅₁ in the first row is alternately stacked with the first bar-shaped material A and separated from each other. A is joined by welding with a soft adhesive or heat (see FIG. 1). The second rod-shaped members B are arranged over nine rows, and the plurality of second rod-shaped members B ₁₁ , B ₁₂ , B ₁₃ ,..., B ₁₉ are separated from each other so as not to overlap with each other. The first rod-shaped material A is joined by a soft adhesive or welding by heat (see FIG. 1).

The three-dimensional lattice-shaped cushion 1 has five second bar members B ₁₁ , B ₂₁ ,..., B ₅₁ disposed at the left end, while four second bar members B ₁₉ , B ₃₉ , at the right end. B ₄₉ and B ₅₉ are arranged, and the number of stacked second bar members is gradually reduced toward the right end. Specifically, so that it constitutes a curved shape to right by decimating B ₂₇ of the second rod-shaped member. In addition, the shape and size of the second rod-shaped material B near the right end are made different from others to form a curved shape.

Similarly, the three-dimensional lattice-shaped cushion 1 has five first bar members A ₁₁ , A ₁₂ ,..., A ₁₅ arranged on the left end, but four first bar members A ₁₁ , A on the right end. _{12, a 14,} and _{a 15} is arranged, gradually decreases the number of stacked first rod-like member to right. Specifically, so that it constitutes a curved shape to right by thinning at halfway the length of A ₁₃ in the first rod-like member. Further, the shape and size of the first rod-shaped material A near the right end are made different from the others, and for example, the thickness is gradually reduced toward the right end and tapered to form a curved shape.

  FIG. 6 is a diagram showing a state where the projections 6 are attached to the three-dimensional lattice cushion 1 according to the present embodiment. The rod-shaped projection 6 has a hemispherical shape (spherical shape) with a rounded tip at the tip to press the body. Further, as another example of the protrusion, as shown in FIG. 7, a slope 4 is formed from the top to the end with respect to the upper surface.

  To accommodate and fill the projections 2, the projection accommodation holes 5 are formed in the first rod-shaped material A or the second rod-shaped material B located on the uppermost surface of the three-dimensional lattice-shaped cushion 1. The protrusion accommodation hole 5 may be formed by hollowing out the first rod-shaped material A or the second rod-shaped material B or by forming a cut, and the protrusions 2 may be formed with an adhesive if necessary. Stick.

  The three-dimensional lattice cushion 1 may be covered with a mesh-shaped cloth cover for use. Since it is a mesh-like cloth, air permeability can be ensured.

  In the three-dimensional lattice cushion 1, the user takes a supine position so that the shoulder is positioned at the right end and the body such as the back, waist, and buttocks is positioned along the curved shape. As an example, the three-dimensional lattice-like cushion 1 can be positioned on the left half body to take a rightward posture, and the three-dimensional lattice-like cushion 1 can be positioned on the right half body to take a leftward posture. Examples of use include cushions for bedtime (for nursing care), mattresses for sitting, rugs, and the like.

[Second example]
FIG. 9 is an external perspective view of the three-dimensional lattice cushion 2 according to the present embodiment, and has a generally rectangular shape. Referring to FIG. 9, the three-dimensional lattice-shaped cushion 2 includes a first bar-shaped member A connected in the illustrated left-right direction (first direction) and a second bar-shaped material B connected in the illustrated vertical direction (second direction). Are alternately stacked to form a lattice. The plurality of first bar-shaped members A are spaced apart, and the plurality of second bar-shaped members B are spaced apart. In addition, between the two second rod-shaped members B located on the left and right sides, a lattice body C that fills the gap between the lattices is arranged apart, and a load is applied to the end side, and the adhesive surface is peeled off. Since the material is torn or collapsed, the lattice C prevents shape collapse. In addition, the material and material of each bar-shaped material and the lattice are as described above.

  The three-dimensional lattice-shaped cushion 2 has a wire net 7 fixedly disposed between the lamination of the first rod-shaped material A and the second rod-shaped material B. The wire net 7 may be disposed on the center side in the thickness direction of the three-dimensional lattice cushion 2, and in the three-layer three-dimensional lattice cushion 2 shown in FIG. 9, between the first layer and the second layer and between the second layer and the second layer. The wire net 7 is arranged at two places between the three layers. For example, in a five-layer three-dimensional lattice cushion, the wire net 7 is arranged between the second and third layers and / or between the third and fourth layers.

  Since the wire net 7 is more excellent in crush resistance than each bar-shaped material and receives the load as a whole, the wire net 7 effectively exerts the body pressure dispersibility by receiving the user at an appropriate position, and Since the dispersion occurs immediately at the time of receiving, the three-dimensional lattice cushion 2 does not sink deeply due to the user's own weight. Further, since the end side of the three-dimensional lattice-shaped cushion 2 may be easily damaged due to the frequency of use, the strength of the three-dimensional lattice-like cushion 2 can be increased by the wire net 7 to prevent damage. In addition, when the number of laminations of the rod-shaped material is small (three to five layers), it is preferable to use the wire net 7 that receives the load as a whole.

[Third example]
FIG. 10 is an external perspective view of the three-dimensional lattice cushion 3 according to the present embodiment, and has a substantially right triangle. Referring to FIG. 10, three-dimensional lattice-shaped cushion 3 includes a first bar-shaped member A connected in the illustrated left-right direction (first direction) and a second bar-shaped member B connected in the illustrated vertical direction (second direction). Are alternately stacked to form a lattice. The plurality of first bar-shaped members A are spaced apart, and the plurality of second bar-shaped members B are spaced apart.

  The three-dimensional lattice cushion 3 has a cushioning material 8 fixedly arranged between the lamination of the first rod-shaped material A and the second rod-shaped material B. The cushioning material 8 is in the form of a sheet, and can absorb shocks such as foamed polyethylene, rubber, plastic, silicone rubber, thermoplastic polyurethane resin (TPE), hard urethane, and polyvinyl chloride (PVC).

  Since the cushioning material 8 is more excellent in crush resistance than each bar-shaped material and partially receives a load by cushioning the impact, the three-dimensional lattice-shaped cushion 3 does not sink deeply due to the user's own weight, and has an appropriate position. By receiving the user, the body pressure dispersibility can be effectively exhibited. In addition, since the end side of the three-dimensional lattice-shaped cushion 3 may be easily damaged due to the frequency of use, the strength of the three-dimensional lattice-shaped cushion 3 can be increased by the cushioning material 8 to prevent damage. In the case where the number of stacked bar-shaped materials is large (7 layers or more), it is preferable to use the cushioning material 8 in an appropriate place because the wire net installed in the intermediate layer cannot receive the load.

  As described above, the first example in which the rod-shaped materials are stacked, the second example in which the wire nets 7 are arranged between the laminations, and the third example in which the buffer 8 is arranged between the laminations have been described. Those skilled in the art can appropriately select an example in which the agent 8 is arranged, and may have any three-dimensional lattice-like cushion structure.

1 .... three-dimensional lattice cushion (first example)
2 ... three-dimensional lattice cushion (second example)
3. Three-dimensional lattice cushion (third example)
DESCRIPTION OF SYMBOLS 4 ... Slope 5 ... Projection accommodation hole 6 ... Projection 7 ... Wire net 8 ... Buffer material A ... 1st rod-shaped material B ... 2nd rod-shaped material

Claims (5)

  A plurality of rod-shaped members are joined in a lattice shape, and the rod-shaped members are formed by alternately stacking first rod-shaped members connected in a first direction and second rod-shaped members connected in a second direction. Shaped cushion.   The three-dimensional lattice cushion according to claim 1, wherein a wire net or a cushioning material is disposed between the laminations of the first rod-shaped member and the second rod-shaped member.   The three-dimensional lattice cushion according to claim 1 or 2, wherein the cushion has a curved shape from one end to the other end.   The three-dimensional lattice cushion according to any one of claims 1 to 3, wherein the number of laminations of the first rod-shaped material and / or the second rod-shaped material is gradually reduced.   The three-dimensional lattice-shaped cushion according to any one of claims 1 to 4, wherein a protrusion is provided on the first rod-shaped member or the second rod-shaped member located on the uppermost surface.