JP2011516100A - Pillow with multiple structure - Google Patents

Abstract

[PROBLEMS] To obtain a soft and elastic feeling that feels like a human arm pillow, and to maintain a normal posture of the cervical vertebra by maintaining the shape of the pillow more constant, the degree of compression and deformation are different A pillow having various functions and advantages is provided by using a multi-layer structure.
A pillow having a multiple structure according to the present invention may include an intermediate layer and an outer layer, and may further include a core. The core supports the user's cervical spine when the user puts a pillow, the intermediate layer is formed to cover the core, the user supports the user's cervical spine when the user puts a pillow, and the outer layer covers the intermediate layer A first support part that supports the user's cervical vertebrae when the user puts a pillow, and a second support part that extends from the first support part and supports the user's head when the user puts the pillow. It is characterized in that a soft material is used for the outer layer, and a material whose elasticity and hardness gradually increase toward the center is used for the internal structure of the pillow.
[Selection] Figure 16

Description

  The present invention relates to a pillow.

Usually, various pillows have been proposed as bedding for putting a head on when a person sleeps.
When using wooden pillows or stone pillows, the height of the cervical vertebrae can be kept constant, but the muscles and skeleton of the head and cervical vertebrae or neck muscles are overforced, preventing blood circulation, It can cause damage. Therefore, the height of the pillow becomes very low, or it becomes a pillow with high hardness, can not maintain the normal curvature of the user's cervical spine, and disturbs the blood circulation of the brain and inhibits deep sleep Will do.

  On the other hand, those who always work with their heads lowered, such as using a computer, have a rounded back and a head that stands forward, those with so-called glans syndrome prefer high pillows, but with high pillows, Tensioned muscles can interfere with blood flow, causing the cervical spine to bend in the opposite direction.

  In addition, comfort is obtained when using pillows filled with feathers or cotton, but the head and neck are buried due to being too fluffy and the curve of the cervical vertebra cannot be maintained. To make up for this, the pillow is tall and widely manufactured and used, but in this case too, the center of the pillow moves away from the center of gravity of the head and the pillow moves away from the head, resulting in abnormal curvature of the cervical spine. Will be invited.

  Latex and memory foam pillows are gaining popularity recently. Latex and memory foam pillows have excellent shock absorption capability, and unlike the above-described pillows, the contents are not biased and have an advantage of excellent restoring force after use. However, it is difficult to maintain a normal cervical vertebra structure during sleep due to a large compression ratio, and when sleeping sideways, the head may hang down and the cervical vertebra may be broken.

  There is also a commercially available pillow for posture correction, which was devised to maintain the normal curvature of the neck, but there are limits to matching the overall shape from the person's head to the neck. There is a problem that the feeling of use is not good.

On the other hand, in patents relating to pillows, for example, Patent Document 1 (name of invention “pillow and its manufacturing method”), a low-rebound core material layer using polyurethane foam and a lower hardness than this core material layer A pillow integrated with a surface layer and a method for manufacturing the same are disclosed.
Patent Document 2 (invention name “Pillow”) discloses a multi-layer pillow that constitutes an inner layer, an intermediate layer, and a surface layer and forms a plurality of air gaps between these layers.
Patent Document 3 (invention title “Articles of Beding and the Like”) includes a weak core (non-rigid core), and includes a core, an air-impermeable intermediate layer, and a surface layer. However, a pillow that restricts a plurality of air flows between them is disclosed.

  Patent Document 4 (invention name “Shock Absorbing Pillow”) includes an elastically deformable core, an impermeable membrane surrounding the core, and a means for controlling the flow of air passing through the membrane. An impact-absorbing pillow composed of a cushion material made of a fiber layer is disclosed.

  These pillows proposed in Patent Documents 1 to 4 have a multiple structure that forms an appropriate height when lying on the back, and minimize the burden on the head and cervical spine from the brain when sleeping. You can support your body comfortably by maintaining a cushion during impact.

  However, since all of these Patent Documents 1 to 4 have discontinuously arranged structures having greatly different strengths for each layer of the cushion material, the cushion feeling cannot be maintained when the pillow is used for a long time. There is a disadvantage that pleasure, satisfaction or posture correction effect cannot be obtained. That is, when the user uses the pillow for a long time, if any one of the inner layer, the intermediate layer, and the surface layer loses a feeling of cushioning, the neck of the cervical vertebra is supported while supporting the neck of the user who uses the pillow. The normal curvature cannot be maintained, and the entire spine including the cervical vertebra part from the center line of the head cannot be aligned on the same height line, which may be comfortable.

  Therefore, in order to use the pillow ideally and more appropriately, the height and strength of the pillow can be kept constant according to the form from the user's head to the cervical vertebra, and muscles and It is necessary to give comfort without squeezing blood vessels. After all, the pillows, wooden pillows, or latex or memory foam pillows described in Patent Documents 1 to 4 do not have suitable conditions as pillows, can maintain the height and strength of the pillows constant, and are comfortable to use. There is a need for an excellent pillow.

Japanese Unexamined Patent Publication No. 2005-110702 US Pat. No. 5,689,844 PCT International Publication No. WO92 / 03957 U.S. Pat. No. 4,799,275

In view of the problems of the prior art, an object of the present invention is to provide a pillow for giving comfort to a user and obtaining an effect of posture correction.
Another object of the present invention is to realize the advantages of the arm pillow by forming a structure corresponding to the bone, muscle, soft tissue, and skin of the human body with the aid of the human arm pillow.
Yet another object of the present invention is to provide a more consistent pillow shape with a strong core, elastic parenchyma and soft cortical layers that feel like bones, muscles, soft tissue and skin of the human body. It is to provide a pillow that gives a feeling of elasticity and comfort while maintaining the above.
Still another object of the present invention is to provide a pillow that includes sections in which the heights of the constituent layers are different from each other and can obtain two or more pillow heights during sleep in various postures. .
Still another object of the present invention is to provide a pillow that can have various cross-sectional structures for each section of the pillow and that can be used by selecting an optimal pillow.

  To achieve the object of the present invention, a pillow having a multiple structure according to an embodiment of the present invention includes a core made of a material having a first hardness and a first elasticity so as to correspond to a bone of a human body, and the core. A substantial layer made of a material having a second hardness lower than the first hardness and a second elasticity lower than the first elasticity so as to correspond to the muscles of the human body, and formed on the substantial layer And a cortical layer made of a substance having a third hardness lower than the second hardness and a third elasticity lower than the second elasticity so as to correspond to the soft tissue and skin of the human body. When the user is not using the pillow, the substantial layer corresponding to the central portion of the pillow has a first height, and the substantial layer corresponding to the peripheral portion of the pillow is higher than the first height. The substantial layer configured to have a second height can have two different heights. The pillow may further include a surface formed on the cortical layer. The substantial layer may be composed of partitioned spaces that are different from each other on the cross section.

A pillow having a multiple structure according to another embodiment of the present invention is formed so as to cover a core supporting the user's cervical vertebrae and the core when the user plays the pillow, and the user wears the pillow. An intermediate layer that supports the user's cervical vertebra, a first support that is formed so as to cover the intermediate layer, and supports the user's cervical vertebra when the user puts on the pillow, and the first support And an outer layer having a second support part that supports the user's head when the user puts on the pillow.
The core is made of a material having a first hardness and a first elasticity, and the intermediate layer is made of a material having a second hardness lower than the first hardness and a second elasticity lower than the first elasticity. The layer may be made of a material having a third hardness lower than the second hardness and a third elasticity lower than the second elasticity.
The core may be made of one selected from urethane, silicon, and wood.
The intermediate layer may be made of one selected from high elastic polyurethane foam and silicon foam. The intermediate layer may be formed with at least one groove serving as a gap in the first direction in order to disperse the pressure applied by the user when the user puts the pillow. The intermediate layer may include at least one hole (longitudinally directed holes) along a longitudinal direction of the intermediate layer.
The outer layer may include an opening for reducing stress stress caused by the user when the user wears the pillow. When the user wears the pillow, the center of gravity supported by the pillow is movable toward the user's cervical spine. A hollow portion is further included between the outer layer and the intermediate layer, and the shape of the hollow portion is determined by the shape formed by the inner surface of the outer layer, the outer boundary 22b of the intermediate layer 22 and the inclined portion 22c adjacent thereto. It is determined.
The intermediate layer can support the user's cervical vertebrae and the user's head when the user wears the pillow. The intermediate layer is a first region that reflects the shape of the arm pillow when a person is lying on the arm pillow and a second region that is reflective of the shape of the arm pillow when the person is lying on the back Can have.
An air bag portion may be further included between the outer layer and the intermediate layer to support the user's cervical vertebra and the user's head.

A pillow having a multiple structure according to still another embodiment of the present invention is formed to cover the intermediate layer supporting the user's cervical vertebra when the user wears the pillow, and the user covers the intermediate layer. A first support part that supports the user's cervical vertebra when the pillow is used, and a second support that extends from the first support part and supports the user's head when the user puts the pillow. And an outer layer having a portion.
The intermediate layer may be covered with the outer layer. The one outer layer may cover the intermediate layer.

  The pillow having a multi-layer structure according to the present invention improves the feeling of use of the pillow by enhancing the sense of stability and comfort by using a strong core and elastic cortical layer that feels like the bones and muscles of the human body. Can be made.

  The pillow having a multiple structure according to the present invention includes a first part that supports the user's cervical vertebrae and a second part that supports the user's head when the user puts on the pillow, and provides an effect of posture correction. be able to.

  A better sleeping comfort can be obtained by using the soft tissue of the human body and the softness of the outer layer corresponding to the skin.

  The section where the height of each layer is different is included, and when the pillow is actually used, the height of two or more pillows can be obtained.

  The pillow having a multiple structure according to the present invention can maintain the height and strength of the pillow more consistently than conventional pillows, and the muscles and ligaments of the user's head and cervical vertebrae are appropriately relaxed, while sleeping. A normal cervical vertebral posture can be maintained and an excellent usability can be provided.

  The multiple structure pillow includes an air bag, so that the pressure difference felt by the human body from the boundary between different materials between the intermediate layer and the outer layer of the pillow is buffered, and the pillow structure is matched to the shape of the neck of each individual By changing the shape of the pillow, the usability of the pillow can be improved, and the airbag can be made to match the shape of the neck and head of the human body, and the pressure of the human body can be dispersed as widely as possible to increase the comfort of the pillow. It can be maximized.

It is a longitudinal cross-sectional view of the pillow which has the multiple structure which concerns on one Example of this invention. It is a cross-sectional view of the pillow shown in FIG. It is a longitudinal cross-sectional view by the cross section of the pillow which has the multiple structure which concerns on one Example of this invention. It is a figure which shows an example of the use condition of FIG. It is a figure which shows the other example of the use condition of FIG. It is a perspective view of a pillow having a multiple structure according to a second embodiment of the present invention. It is sectional drawing of the pillow which has the multiple | multiplex structure cut | disconnected along line AA of FIG. FIG. 7 is a side view of the pillow shown in FIG. 6. It is sectional drawing of the longitudinal direction with respect to the intermediate | middle layer of the pillow which concerns on 3rd Example of this invention. It is a longitudinal cross-sectional view with respect to the intermediate | middle layer of the pillow which concerns on the other Example of this invention. It is sectional drawing of the pillow which has the multiple structure which concerns on 4th Example of this invention. It is a use condition figure which shows an example of the pressure which arises around the pillow of FIG. It is a use condition figure with respect to the intermediate | middle layer of the pillow of FIG. 6 or FIG. It is drawing which shows the modification about the pillow of FIG. It is sectional drawing of the modified example regarding the pillow of FIG. 14 which has a structure where the core was abbreviate | omitted. (A) is a perspective view of the pillow which concerns on 5th Example of this invention, (b), (c), and (d) are the reference views for demonstrating the airbag part of (a). (A) is drawing which shows the airbag part of the pillow which concerns on 6th Example of this invention, (b) is a perspective view of the airbag in (a). (A) is a conceptual diagram for explaining that the shape of a pillow having an airbag according to an embodiment of the present invention is deformed when a person with a normal neck has a pillow, (B) is a conceptual diagram for explaining that the shape of a pillow having an airbag according to an embodiment of the present invention is deformed when a person having a straight neck takes a pillow.

  Since the present invention can be modified in various ways and can have various embodiments, specific embodiments are illustrated in the drawings and described in detail herein. However, this is not to be construed as limiting the invention to the specific embodiments, but is to be understood as including all transformations, equivalents, and alternatives falling within the spirit and scope of the invention. In describing the drawings, like reference numerals have been used for like elements. Unless otherwise defined, all terms used herein, including technical or scientific terms, are terms commonly understood by those having ordinary skill in the art to which this invention belongs. Have the same meaning. Terms such as those generally defined in a dictionary should be construed as having a meaning consistent with the contextual meaning of the related art and, unless explicitly defined in this application, are ideal or overly formal Do not interpret in meaning.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a longitudinal sectional view of a pillow having a multiple structure according to an embodiment of the present invention, FIG. 2 is a transverse sectional view of the pillow shown in FIG. 1, and FIG. FIG. 4 is a longitudinal sectional view of a pillow having a multiple structure according to an embodiment, and FIGS. 4 and 5 are various usage state diagrams of FIG. 3.

  As shown in FIGS. 1 and 2, the pillow 10 having a multiple structure according to an embodiment of the present invention includes a core 20 made of a strong member located at the center.

  The core 20 can be made of a material selected from artificial bone, wood, plastic and the like.

The core 20 is surrounded by a substantial layer 22.
The substantial layer 22 is for having elasticity corresponding to muscles of the human body. Accordingly, the substantial layer 22 can be made of a material such as a highly elastic polyurethane foam.

  As shown in FIGS. 3 to 5, the substantial layer 22 can have different compression ratios for each part of the pillow, and is configured to have two or more effective heights (a, b). It is also possible.

  Therefore, the effective height (a, b) of the pillow is different when lying on its side as shown in FIG. 4 during sleep (A) and when lying on its back as shown in FIG. 5 during sleep (B). . Thus, it is possible to sleep while appropriately using different effective heights (a, b).

  Moreover, you may comprise the substantial layer 22 so that it may have a different cross-sectional form for every predetermined area. For example, it is possible to configure some sections as a circle and other sections as a square. Therefore, since a part suitable for the user's preference can be selected and used, a monotonous feeling can be eliminated.

  At this time, the cross section of the entire pillow may be configured in various forms such as a circle or an ellipse.

  The substantial layer 22 may be configured with an uneven cross section such as a flower shape or a sawtooth shape.

  Around the substantial layer 22, a cortical layer 24 that makes the human cortex feel is formed. The cortical layer 24 can be made of a material such as a low elastic polyurethane foam or a latex foam.

  As shown in FIGS. 1 and 2, the cortical layer 24 may be surrounded by a surface material 26 made of a nonwoven fabric.

  The pillow 10 thus configured has a structure close to the arm of the human body, and can sleep comfortably as if the mother had an arm pillow.

  The substantial layer 22 is a substantial layer that supports the cervical vertebra part in the pillow 10, and since the material has the elasticity that the muscles of the body have, the cervical vertebra part is softly supported.

The cortical layer 24 provides softness corresponding to the soft tissue and skin of the human body.
The pillow can have different compression ratios for each section along the longitudinal direction. If it does in this way, there exists an effect that the height of a pillow can be chosen and sleep can be taken.

  Further, there is an advantage that the substantial layer 22 can be configured to have a different cross-sectional structure for each section.

  In drawings for explaining other embodiments according to the present invention, FIGS. 6 to 19 denote the same parts as those of the pillows of the embodiments of FIGS. In the embodiment relating to the pillow of the present invention, the substantial layer is expressed as an intermediate layer, and the cortical layer is expressed as an outer layer, which have substantially the same meaning.

  6 is a perspective view of a pillow having a multiple structure according to a second embodiment of the present invention, and FIG. 7 is a cross-sectional view of the pillow having a multiple structure cut along line AA in FIG. 8 is a side view of the pillow shown in FIG.

  FIG. 9 is a longitudinal sectional view with respect to the intermediate layer of the pillow according to the third embodiment of the present invention. FIG. 10 is a longitudinal sectional view of an intermediate layer of the pillow according to the third embodiment of the present invention.

11 is a cross-sectional view of a pillow having a multiple structure according to a fourth embodiment of the present invention, and FIGS. 12 (a) and 12 (b) are diagrams showing an example of the usage state showing an example of pressure generated around the pillow of FIG. It is.
FIG. 13 is a view showing a usage state of the intermediate layer of the pillow of FIG. 6 or FIG.

  14 (a) to 14 (f) are drawings showing a modified embodiment relating to the pillow of FIG. 15 (a) to 15 (e) are cross-sectional views of modified examples of the pillow of FIG. 14 having a structure in which the core is omitted.

  FIG. 6 is a perspective view of a pillow having a multiple structure according to a second embodiment of the present invention. A pillow 10 having a multiple structure is similar to the pillow according to one embodiment, and includes a core 20, an intermediate layer 22, and Three layers consisting of the outer layer 24 are basically used. However, the pillow 10 according to another embodiment is different from the first embodiment due to the structure and characteristics of the core 20, the intermediate layer 22, and the outer layer 24.

The core 20 supports the user's cervical vertebra when the user puts a pillow.
The intermediate layer 22 is formed so as to cover the core 20 and supports the user's cervical spine when the user wears the pillow.

  The outer layer 24 is formed to cover the intermediate layer 22, and is formed to extend from the first support portion 30a and the first support portion 30a that support the user's cervical vertebra when the user puts the pillow on, And a second support portion 30b that supports the user's head when the user puts on the pillow.

  That is, in the pillow 10 having the multiple structure according to the second embodiment, the intermediate layer 22 having the core 20 is included in the outer layer 24, and the shape thereof is asymmetric.

  The core 20 maintains the support structure of the pillow 10. As shown in FIG. 7, the intermediate layer 22 includes a predetermined hollow portion 25 between the outer layer 24 and the intermediate layer 22. The shape of the hollow portion 25 is determined by the shape formed by the inner surface of the outer layer 24, the outer boundary 22 b of the intermediate layer 22, and the adjacent inclined portion 22 c. The hollow portion 25 may have a trapezoidal cross section.

  The outer layer 24 includes an opening 202 for reducing stress caused by the user when the user puts the pillow.

  The pillow 10 has such a size that the core 20, the intermediate layer 22, and the outer layer 24 can support the head and the cervical vertebra with uniform pressure, and the height from the bottom of the pillow 10 is the first support 30a. Is preferably about twice as large as the second support 30b. However, the length and height of the pillow 10 are not limited to the above size, and those skilled in the art can easily understand that the length and height can be changed and implemented.

  Moreover, in the material of the pillow 10, the core 20 can be selected from urethane, silicon, wood, or the like so as to have the same hardness as the human humerus. The intermediate layer 22 can be selected from highly elastic polyurethane foam, silicon foam, and the like. The outer layer 24 can be made of a low elastic polyurethane foam or latex foam to maintain a soft feel while minimizing compression on the head and cervical spine.

  In the strength of the pillow 10, the intermediate layer 22 is formed with a hardness and elasticity lower than that of the core 20 but higher than that of the outer layer 24.

  Below, the core 20, the intermediate | middle layer 22, and the outer layer 24 which comprise the pillow which has the multiple structure based on 2nd Example of this invention are demonstrated.

  FIG. 7 is a cross-sectional view of the pillow having the multiple structure of FIG. 6. Referring to FIG. 7, a predetermined hollow portion 25 is formed between the core 20, the intermediate layer 22, and the outer layer 24.

The core 20 preferably has such a hardness that the structure of the cervical vertebra from the head to the thoracic vertebra can be maintained against the compression of the human body after the person lies down. On the other hand, the artificial bone can be replaced with other components. For example, the core 20 can be replaced with a material selected from urethane, silicon, wood, and the like so as to have properties similar to bone. The core 20 is positioned so as to substantially coincide with the center of curvature of the cervical vertebra portion of the head and cervical vertebra, and maintains the structure of the entire pillow. The core 20 further maintains the posture of the cervical spine normally and corrects the bent cervical spine.
The intermediate layer 22 is a portion that supports the cervical vertebra, and has a hardness and elasticity that are about the intermediate between the outer layer 24 and the core 20.

  The hollow portion 25 is a space formed inside the outer layer 24, and its form is determined by the shape formed by the outer boundary 22 b of the intermediate layer 22 and the adjacent inclined portion 22 c, and is formed inside the hollow portion 25. Some air is vented primarily through the outer layer 24.

  The outer layer 24 has a first support part 30a on the upper side of the core 20 and a second support part 30b extending from the first support part 30a, and the first support part 30a and the second support part 30b have different shapes. Consists of. The first support portion 30a has a circular shape that substantially matches the bending of the cervical vertebra, and the second support portion 30b has a shape that substantially matches the bending of the head (see FIG. 6).

  FIG. 8 is a side view of the pillow shown in FIG.

  Referring to FIG. 8, the second embodiment of the present invention has a core 20, an intermediate layer 22, an outer layer 24, and at least one opening 202 along the longitudinal direction. 24 includes a first support portion 30a having a horizontal distance and a height surrounding the intermediate layer 22, and a second support portion 30b extending from the first support portion 30a. The support part 30b is configured in a different shape.

  In the pillow 10, the first support portion 30a has a circular shape that substantially matches the bending of the cervical vertebra portion, and the second support portion 30b has a shape that substantially matches the bending of the head portion. Dispersing the pressure while supporting the pressure due to the pressure, provides comfort to the head placed on the pillow 10.

  Furthermore, the pillow according to the second embodiment has a configuration in which the outer layer 24 has at least one opening 202 along the longitudinal direction, and the opening 202 is selectively formed as shown in FIGS. Can be configured. The opening 202 in the outer layer 24 reduces the stress caused by the user when the user puts the pillow.

  FIG. 9 is a longitudinal sectional view of the intermediate layer of the pillow according to the third embodiment of the present invention, and FIG. 10 is a longitudinal sectional view of the intermediate layer of the pillow according to the third embodiment of the present invention.

  Referring to FIG. 9, in the third embodiment of the present invention, at least one serration 222 is formed in the intermediate layer 22 of the pillow 10 as a vertical gap along the horizontal direction of the intermediate layer 22. . The groove 222 may be formed limited to a portion corresponding to the hollow portion 25 of the intermediate layer 22. However, it is understood by those skilled in the art that the groove 222 is not limited to the hollow portion of the intermediate layer 22, and at least one groove serving as a gap in the vertical direction along the horizontal direction may be formed over the entire intermediate layer 22. Since it can be easily understood if there is, detailed description thereof is omitted (not shown).

  Referring to FIG. 10, in the third embodiment of the present invention, at least one hole (longitudinally directed holes) 224 is formed along the longitudinal direction of the pillow 10. 9 and 10, when lying on its back, the groove 222 minimizes the transmission of tensile stress and improves the feeling of use, and at least one hole 224 makes the head contact the pillow 10. It absorbs the impact when it is done, disperses the compressive stress when lying on its back, and can improve breathability during sleep.

  9 and 10, the intermediate layer 22 is lower in hardness and elasticity than the core 20, but larger than the outer layer 24. The intermediate layer 22 can be made of an elastic material selected from highly elastic polyurethane foam, silicon foam, and the like. As a result, when the intermediate layer 22 receives pressure due to the weight of the cervical vertebra, the intermediate layer 22 forms a structure that can easily disperse the pressure in the plurality of grooves 222, and is made of an elastic material. Thus, it is possible to provide a feeling of elasticity to the cervical vertebra and maintain the overall shape of the cervical vertebra.

  FIG. 11 is a cross-sectional view of a pillow having a multiple structure according to a fourth embodiment of the present invention. Referring to FIG. 11, the configuration of the intermediate layer 22 and the outer layer 24 of the pillow 10 is substantially the same as the configuration shown in FIG. 6, and there is a structural difference in which the core is omitted.

  Further, in the pillow having the multiple structure according to the fourth embodiment, the outer layer 24 is extended from the first support portion 30a on the upper side of the core 20 and the first support portion 30a as in the pillow shown in FIG. Second support portion 30b, and the first support portion 30a and the second support portion 30b have different shapes. The outer layer 24 has a basic configuration in which at least one opening 202 is provided along the longitudinal direction of the outer layer 24, and the first support portion 30a has a circular shape that substantially matches the bending of the cervical vertebra, Since the support portion 30b has a shape that substantially matches the flexion of the head, the pressure is distributed while supporting the total weight due to the height of the cervical vertebra and the head, thereby providing comfort.

  As the outer layer 24, a low-elastic polyurethane foam or latex foam is used so as to maintain a soft feeling of use as in the pillow shown in FIG.

  FIGS. 12 (a) and 12 (b) are usage diagrams illustrating a second embodiment of the present invention relating to the pressure generated from the periphery of the pillow shown in FIG. An example of the pressure which arises from the circumference | surroundings of the pillow 10 before and after positioning is shown.

  When the person lies on his back during sleep, as shown in Fig. 12 (a) and the state of use after the person lies down as shown in Fig. 12 (b) Since the pillow 10 supports the section d from the start point (A) to the top vertex (B) of the head, the start point (A in the section d is set so that the pillow 10 can support the normal curvature of the cervical vertebra. The intermediate layer 22 in the outer layer 24 is positioned near the uppermost point (B) so that the intermediate layer 22 is not directly supported near the highest vertex (B), so that the normal curvature of the cervical vertebra due to the deviation of the center of gravity of the pillow is achieved. To maintain. Therefore, when the user puts on a pillow, the center of gravity supported by the pillow moves to the user's cervical vertebra side, so that the effect of posture correction is obtained.

  As shown to (a) of FIG. 12, before the head of a person is located, the center of gravity of the pillow 10 is in a state where neither is biased. Therefore, uniform pressure is received from the center of the pillow 10. FIG. 12B shows that after the head is positioned, the pressure around the pillow 10 is uniformly received over the entire region without being biased to one side.

  FIG. 13 is a view showing the usage state of the pillow intermediate layer 22 shown in FIG. 6 or FIG.

  According to the structure of the intermediate layer 22 shown in FIGS. 13A and 13B, at least one groove 222 is formed not only in the hollow portion 25 formed inside the outer layer 24 but also in the intermediate layer 22. ing.

  When a pillow is used, the pressure of the cervical vertebra portion is dispersed in the hollow portion 25 and the groove 222 of the intermediate layer 22, so that the stress (f) of the intermediate layer 22 is uniformly transmitted to the center and the periphery thereof. Therefore, the uniformity of the pressure applied to the predetermined hollow portion 25 and the groove 222 of the intermediate layer 22 can be remarkably secured.

  Therefore, since the pillow having a multiple structure according to the present invention has a core corresponding to the bones of the human body, the normal spine posture during sleep can be maintained while maintaining the overall structure of the pillow. Because it includes an elastic intermediate layer that corresponds to the muscles of the body, you can feel a sense of elasticity and comfort, and because it is a soft outer layer that corresponds to the soft tissue and skin of the human body, you can feel softness, Sections with different heights for each layer are included, and the pillow portion in the optimum state can be selected and used.

  14 (a) to 14 (f) are drawings showing a modified embodiment of the pillow of FIG. These modified embodiments are modified embodiments in which the outer layer 24 is modified in the multiple structure of the core 20, the intermediate layer 22, and the outer layer 24 according to one embodiment. This will be described in detail with reference to (a) to (f) of FIG.

  An alternative embodiment of the present invention uses an outer layer 24 secured to the core 20 and the intermediate layer 22 as part of the pillow 10. However, the outer layer 24 may be replaced by a deformable form having another configuration.

  This will be described below with reference to the modified embodiments shown in FIGS.

  FIG. 14A is different from the basic outer layer shown in FIG. 8 and illustrates an integrated type in which the outer layer 24 has no opening 202.

  FIG. 14B illustrates a form in which one opening 202 a is formed between the head side and the cervical vertebra part side in the outer layer 24.

  FIG. 14C illustrates a form in which one opening 202 b is formed on the head side of the outer layer 24.

  FIG. 14D illustrates a form in which the outer layer 24 covers the intermediate layer 22 without forming the opening 202 b in the outer layer 24.

  FIG. 14E illustrates a form in which one outer layer 24 covers the intermediate layer 22 without forming the opening 202 in the outer layer 24.

  FIG. 14F illustrates a form in which the head side of the outer layer 24 in FIG. 14C is simply separated.

  According to the modified embodiments shown in FIGS. 14A to 14F, the outer layer 24 is made of a material such as low-elasticity polyurethane foam or latex foam, so that the soft layer corresponding to the soft tissue and skin of the human body is used. It provides tactile sensation and can be selected and used according to the head and neck shapes that are slightly different for each person.

  In the pillow of FIG. 14, the core is not an essential component and can be omitted.

  15 (a) to 15 (e) are cross-sectional views showing modified examples of the pillow of FIG. 14 having a structure in which the core is omitted.

  The modified embodiment of FIG. 15 is a part of the pillow having the multiple structure of FIG. 6, in which the core 20 is omitted, two layers of the intermediate layer 22 and the outer layer 24 are basic forms, and the outer part fixed to the intermediate layer 22. Other configurations may be substituted by using the layer 24.

  The modified embodiments of FIGS. 15A to 15E will be described in detail below.

  FIG. 15A is different from the basic outer layer shown in FIG. 11 and illustrates an integral type in which the outer layer 24 has no opening 202.

  FIG. 15B illustrates a form in which one opening 202 a is formed between the head side and the cervical vertebra part side in the outer layer 24.

  FIG. 15C illustrates a form in which one opening 202 b is formed on the head side of the outer layer 24.

  FIG. 15D illustrates a form in which two outer layers 24 separated in the vertical direction are combined without forming the opening 202 in the outer layer 24.

  FIG. 15E illustrates a form in which the head side of the outer layer 24 in FIG. 15C is simply separated.

  Referring to FIGS. 15 (a) to 15 (e), it is possible to replace the elastic outer layer 24 with the openings 202a and 202b formed on the front, back, left and right of the pillow 10.

  The configuration and operational effects of the modified example shown in FIGS. 15A to 15E are the same as those of the modified example of FIGS. 14A to 14F.

  16 (a) is a perspective view of a pillow according to another embodiment of the present invention, and FIGS. 16 (b), 16 (c), and 16 (d) are airbag parts in FIG. 16 (a). It is a reference figure for demonstrating.

  Referring to FIG. 16, according to the pillow of another embodiment of the present invention, the intermediate layer 22 is different from the above-described embodiment, and the core 22 supports not only the user's cervical vertebra but also the user's head. Further extending from 20 to the head side can be formed.

  As shown in FIG. 17A, the airbag unit 29 includes a relatively small amount of air, for example, an air-bag 29a containing 100 to 200 cc, an injection unit 29b for injecting air, and an injection unit. The transmission part 29c for transmitting the air fastened by 29b and inject | poured via the injection | pouring part 29b to an airbag is included.

An air pump (air-pump) may be used as the injection part 29b.
The transmission part 29c can have a shape like a tube or a pipe sealed at one end. The transmission part 29c also plays a role of fixing the airbag 29a. As shown in the partial enlarged view of B in FIG. 17A, the other end where the transmission portion 29c is coupled to the injection portion 29b is bent at an angle of about 90 ° and serves to fix the transmission portion 29c.

  18A and 18B are cross-sectional views of an intermediate portion including an airbag, cut along the line A-A ′ in FIG.

  In the pillow structure shown in FIG. 16, the airbag 29a is formed on the intermediate layer 22 that supports the cervical vertebra and the head of the user, as shown in FIGS. 16 (b) and 16 (c). Can.

  The injection part 29b and the transmission part 29c of the airbag part 29 may be accommodated in the intermediate layer 22 of the pillow as shown in FIG. 16C, or the transmission part 29c of the airbag part 29. May be accommodated in the intermediate layer 22, and the user may adjust the air injection amount by hand by exposing a part of the transmission part 29c and the injection part 29b to the outside of the pillow. In this case, another bag 28 may be further provided outside the pillow so as to accommodate the injection part 29b.

  The air bag portion 29 is a pillow having a multiple structure composed of a combination of different materials, which includes the core 20, the intermediate layer 22, and the outer layer 24, and between the different materials between the intermediate layer 22 and the outer layer 24. By performing the role of buffering the pressure difference felt by the human body from the boundary, it is possible to improve the feeling of use of the pillow. This is because the pressure in the airbag 29a is the same at any location, and the air in the airbag 29a flows to the portion where there is a pressure difference to eliminate the pressure difference.

  In addition, since the pressure received by each part of the pillow differs depending on the body shape of the human body, the form of the pillow that can be easily felt for each person is different, but by including an airbag 29a containing a relatively small amount of air in the multiple structure pillow As shown in FIGS. 18 (a) and 18 (b), when actually used, the air inside the airbag can flow and the structure of the pillow can be deformed according to the shape of each individual's neck. . 18A shows a case where a person having a normal neck has a pillow, and FIG. 18B shows a case where a person having a straight neck has a pillow. It can be seen that when any person uses the pillow having the airbag 29a according to the embodiment of the present invention, the structure of the pillow is deformed according to the shape of the neck of each individual.

  In addition, as shown in FIG. 17B, the airbag 29a can be manufactured in accordance with the shape of the neck and head of the human body, and the feeling of use can be improved by dispersing the pressure of the human body as widely as possible. .

  According to the fifth embodiment of the present invention, the airbag part 29 may be formed by only the airbag 29a and the transmission part 29c except for the injection part 29b. In another embodiment of the present invention, the airbag portion 29 may be formed only by the airbag 29a.

  FIG. 19A is a conceptual diagram for explaining the structure of a human arm pillow, and FIG. 19B is a diagram of the present invention having a structure corresponding to the human arm pillow structure of FIG. Sectional drawing of the pillow which concerns on one Example is shown.

  Referring to FIG. 19B, the intermediate layer 22 is designed by shaping the human arm pillow shown in FIG. 19A. In order to give a feeling of use of an arm pillow when a person sleeps sideways, the M1 or M3 region of the intermediate layer 22 is designed to reflect the shape of the arm pillow when the person sleeps sideways. The M2 region of the intermediate layer 22 is designed to reflect the shape of the arm pillow when sleeping on the back. Therefore, since the pillow designed as described above has a structure close to the human arm, it is possible to provide a feeling of a comfortable arm pillow.

  As mentioned above, although this invention was demonstrated using embodiment, the technical scope of this invention is not limited to the range as described in the said embodiment. It will be apparent to those skilled in the art that various modifications or improvements can be added to the above-described embodiment. It is apparent from the scope of the claims that the embodiments added with such changes or improvements can be included in the technical scope of the present invention.

  The pillow having a multiple structure according to the present invention uses a pillow that feels like bones and muscles of the human body, feels stable and comfortable using a strong core and an elastic cortical layer. Improve the feeling.

  The pillow having a multiple structure according to the present invention includes a first portion that supports the user's cervical vertebra when the user puts the pillow, and a second portion that supports the user's head. give.

  By using the softness of the outer layer corresponding to the soft tissue and skin of the human body, an even more comfortable space can be obtained.

  The section where the height of each layer is different is included, and when the pillow is actually used, the height of two or more pillows can be obtained.

  The pillow having a multiple structure according to the present invention can maintain the height and strength of the pillow more consistently than conventional pillows, and the muscles and ligaments of the user's head and cervical vertebrae are appropriately relaxed, while sleeping. Can maintain a normal cervical vertebral posture and give an excellent feeling of use.

  By including an airbag in the pillow with multiple structures, the pressure difference felt by the human body from the boundary between different materials between the intermediate layer and the outer layer of the pillow is buffered, and the pillow structure is adapted to the shape of each individual's neck The pillow can be used to improve the feeling of use of the pillow, and the air bag can be manufactured in accordance with the shape of the neck and head of the human body to disperse the pressure of the human body as widely as possible and the feeling of use of the pillow can be improved. Can be maximized.

Claims (14)

A core made of a material having a first hardness and a first elasticity so as to correspond to a human bone;
A substantial layer made of a material formed on the core and having a second hardness lower than the first hardness and a second elasticity lower than the first elasticity so as to correspond to the muscles of the human body;
A cortical layer made of a substance formed on the substantial layer and having a third hardness lower than the second hardness and a third elasticity lower than the second elasticity so as to correspond to the soft tissue and skin of the human body;
A pillow having a multiple structure characterized by comprising: A core that supports the user's cervical vertebra when the user has a pillow;
An intermediate layer formed to cover the core and supporting the user's cervical vertebra when the user puts the pillow;
A first support part is formed to cover the intermediate layer, and supports the cervical vertebrae of the user when the user wears the pillow, and extends from the first support part. An outer layer having a second support part for supporting the user's head when
A pillow having a multiple structure characterized by comprising:   The core is made of a material having a first hardness and a first elasticity, and the intermediate layer is made of a material having a second hardness lower than the first hardness and a second elasticity lower than the first elasticity; The pillow having a multiple structure according to claim 2, wherein the layer is made of a material having a third hardness lower than the second hardness and a third elasticity lower than the second elasticity.   The core is made of one selected from urethane, silicone and wood, the intermediate layer is made of one selected from high elastic polyurethane foam and silicon foam, and the outer layer is low elastic polyurethane foam. The pillow having a multiple structure according to claim 2, wherein the pillow has at least one selected from low-elastic latex foam.   3. The intermediate layer according to claim 2, wherein the intermediate layer forms at least one groove serving as a gap in the first direction in order to disperse the pressure applied by the user when the user puts the pillow. A pillow having the described multiple structure.   The pillow according to claim 2, wherein the intermediate layer includes at least one hole (longitudinally directed holes) along a longitudinal direction of the intermediate layer.   The pillow according to claim 2, wherein the outer layer includes an opening for reducing stress stress caused by the user when the user wears the pillow.   The pillow having a multiple structure according to claim 2, wherein when the user puts the pillow, the center of gravity supported by the pillow moves toward the user's cervical spine.   A hollow portion is further included between the outer layer and the intermediate layer, and the shape of the hollow portion is determined by the shape formed by the inner surface of the outer layer, the outer boundary of the intermediate layer and the adjacent inclined portion. The pillow having a multiple structure according to claim 2.   The pillow having a multi-structure according to claim 2, wherein the intermediate layer supports the user's cervical spine and the user's head when the user wears the pillow.   The said intermediate | middle layer has the 1st area | region reflecting the shape which makes an arm pillow when a person sleeps sideways, and the 2nd area | region reflecting the shape which a person lies on his back and makes an arm pillow. A pillow having the multiple structure according to 2.   The multi-structure according to claim 2, further comprising an airbag formed between the outer layer and the intermediate layer to support the user's cervical vertebra and the user's head. pillow.   The pillow having a multi-structure according to claim 12, wherein the airbag has a shape that matches the shape of the user's cervical vertebra and the user's head in order to widely disperse the pressure received by the human body. . An intermediate layer that supports the user's cervical vertebra when the user has a pillow;
A first support part is formed to cover the intermediate layer, and supports the cervical vertebrae of the user when the user wears the pillow, and extends from the first support part. An outer layer having a second support to support the user's head when
A pillow characterized by comprising.

Images