WO2020022792A1 - 골반 시트 - Google Patents

골반 시트 Download PDF

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Publication number
WO2020022792A1
WO2020022792A1 PCT/KR2019/009222 KR2019009222W WO2020022792A1 WO 2020022792 A1 WO2020022792 A1 WO 2020022792A1 KR 2019009222 W KR2019009222 W KR 2019009222W WO 2020022792 A1 WO2020022792 A1 WO 2020022792A1
Authority
WO
WIPO (PCT)
Prior art keywords
holes
cushion
bone support
pelvis
seat body
Prior art date
Application number
PCT/KR2019/009222
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
김영진
김정수
서병준
문윤석
윤세영
Original Assignee
주식회사 불스원
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 불스원 filed Critical 주식회사 불스원
Priority to CN201980025220.0A priority Critical patent/CN111954477B/zh
Publication of WO2020022792A1 publication Critical patent/WO2020022792A1/ko

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/029—Seat parts of non-adjustable shape adapted to a user contour or ergonomic seating positions
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/24—Upholstered seats
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/62—Accessories for chairs
    • A47C7/72—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like
    • A47C7/74—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like for ventilation, heating or cooling
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/62—Accessories for chairs
    • A47C7/72—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like
    • A47C7/74—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like for ventilation, heating or cooling
    • A47C7/742—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like for ventilation, heating or cooling for ventilating or cooling
    • A47C7/746—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like for ventilation, heating or cooling for ventilating or cooling without active means, e.g. with openings or heat conductors

Definitions

  • the present invention relates to a seat that supports the pelvis of the hip when the user is seated.
  • the conventional sheet mainly uses cotton, sponge, urethane foam, rubber and the like as the internal filler.
  • Cotton cushions for example, absorb shocks and provide a soft and fluffy seating feel for the seated person. The reason is that the fibers constituting the cotton are formed like a net, and air is continuously supplied to the cotton to give restoring force. However, the cotton cushion should be used a large amount of cotton in order to give a good seating feeling, and if you continue to use the cotton cushion, the thickness of the cotton cushion becomes thinner can be easily reduced seating feeling and breathability.
  • An object of the present invention is to provide a pelvis sheet that can make the user feel comfortable in a correct posture even when sitting for a long time, and induce a comfortable sitting.
  • the seat body has a convex bone support and a lumbar support for supporting the convex bone and the lumbar vertebra of the user's pelvis, respectively.
  • the pair of cushioning members are fitted to the fitting grooves of the vertebral bone support part at predetermined intervals in the lateral direction of the vertebral bone support part on the upper surface of the vertebral bone support part, and are formed to have a plurality of through holes of viscoelastic material.
  • each cushion member is formed by being partitioned by the lower partitions formed by the lower partitions such that the lower through holes are vertically penetrated into the regular hexagonal cross section, and formed by the upper partitions formed by the upper partitions so that the upper through holes are vertically penetrated into the regular hexagonal cross section. It may include an upper cushion portion stacked on the lower cushion portion so that each center of the through holes coincide with the respective centers of the lower through holes, and reinforcing ribs formed at each boundary portion between the upper and lower holes.
  • the seat body may include a first vent hole formed in the convex bone support region between the cushion members.
  • the fitting grooves may be formed in communication with both sides of the first vent hole.
  • a plurality of second vent holes may be formed in the fitting grooves, respectively.
  • the pelvis sheet may further include a seat cover which covers and covers the seat body and the cushion members together.
  • the user may feel comfortable in a correct posture even while sitting for a long time, while reducing skin irritation due to pressure dispersion, thereby providing comfort and maintaining a comfortable humidity by inducing temperature and humidity.
  • the massage function can be given according to the movement of the hip during sitting.
  • FIG. 1 is a perspective view of a pelvis sheet according to an embodiment of the present invention.
  • FIG. 2 is a side view showing an example of the use of the pelvis sheet shown in FIG.
  • FIG. 3 is a perspective view showing the inside of the pelvis sheet in FIG. 1.
  • FIG. 4 is an exploded perspective view of FIG. 3.
  • FIG. 5 is a plan view of the cushion member shown in FIG. 3.
  • FIG. 5 is a plan view of the cushion member shown in FIG. 3.
  • FIG. 6 is a cross-sectional view taken along the line A-A of FIG. 5.
  • FIG. 1 is a perspective view of a pelvis sheet according to an embodiment of the present invention.
  • 2 is a side view showing an example of the use of the pelvis sheet shown in FIG.
  • FIG. 3 is a perspective view showing the inside of the pelvis sheet in FIG. 1.
  • FIG. 4 is an exploded perspective view of FIG. 3.
  • FIG. 5 is a plan view of the cushion member shown in FIG. 3.
  • FIG. 6 is a cross-sectional view taken along the line A-A of FIG. 5.
  • the pelvic sheet 100 according to an embodiment of the present invention includes a seat body 110 and cushion members 120.
  • the seat body 110 has a convex bone support 111 and the lumbar support 112 for supporting the convex bone and the lumbar vertebra of the user's pelvis, respectively.
  • the vertebral bone support 111 and the lumbar support 112 hold the vertebrae and the lumbar vertebra of the hip pelvis when the user is seated, thereby allowing the user to feel comfortable in a correct posture even when sitting for a long time.
  • the average adult man and woman has a pelvic height of 110mm ⁇ 10mm
  • the sacral bone width is 125mm ⁇ 10mm
  • the vertebral bone support 111 and the lumbar support 112 has a shape and size reflecting the pelvic data of the average adult men and women It can be engineered.
  • the seat body 110 may have a maximum left and right width of 45 mm ⁇ 5 mm, a maximum front and rear length of 41 mm ⁇ 5 mm, a maximum height of 12 mm ⁇ 5 mm.
  • the seat body 110 may have a flat bottom surface.
  • the convex bone support 111 may be provided with a pair of fitting grooves 111a that fit the cushion members 120 on the upper surface, respectively.
  • the fitting grooves 111a are symmetrical with left and right spacing.
  • the fitting grooves 111a may be recessed to a predetermined depth on the upper surface of the buccal bone support 111.
  • the convex bone support 111 may be formed such that the bottom of the left and right fitting grooves 111a becomes concave and higher toward the left and right edges from the center of the convex bone support 111.
  • the convex bone support 111 may be formed to have a shape in which the front bottom surface of the left and right fitting grooves 111a is gradually concave and lowered. Therefore, the convex bone support 111 can gently hold the pelvis together with the cushion members 120.
  • the convex bone support 111 may be formed such that the left and right walls and the front wall of the left and right fitting grooves 111a have a predetermined width.
  • each of the bottom surfaces of the fitting grooves 111a may be formed to support the lower portions of the cushion members 120 as a whole.
  • Each of the fitting grooves 111a may be formed in the same shape as the inner walls of the cushioning member 120 to fit the cushion member 120. Therefore, each cushion member 120 may be supported by the lower and the outer wall of each of the fitting groove (111a).
  • the seat body 110 may include a first vent hole 113 formed in the region of the convex bone support 111 between the cushion members 120.
  • the first vent hole 113 may reduce the pressure of the main part and impart breathability by eliminating the area in contact with the main part when the user is seated.
  • the first vent hole 113 may penetrate up and down and may have a constant left and right width.
  • the first vent hole 113 may have a curved shape in which front and rear inner walls are concave left and right.
  • the fitting grooves 111a may be formed to communicate with both sides of the first vent hole 113.
  • the fitting grooves 111a may be formed in a shape that is connected to both sides of the first vent hole 113 to the bottom to be connected to the first vent hole 113.
  • a plurality of second vent holes 114 may be formed in the fitting grooves 111a, respectively.
  • the second vent holes 114 may increase the breathability together with the cushion members 120.
  • the second vent holes 114 may be arranged at regular intervals.
  • the second vent hole 114 may be formed of a regular hexagonal hole, but may also be formed of a circular hole.
  • the second vent hole 114 may be formed in various sizes and numbers in a range capable of maintaining the durability of the seat body 110.
  • the lumbar support 112 may extend from the rear of the convex bone support 111 to partially wrap the back of the hip of the user.
  • the lumbar support part 112 may be formed to have a shape in which the upper surface is concave and higher toward the rear from the rear of the buccal bone support part 111.
  • the lumbar support portion 112 may be formed in a form in which the rear portion is convexly higher from the left and right to the center.
  • the seat body 110 may be formed of a memory foam.
  • Memory Foam is a material developed by NASA to mitigate the impact of astronauts on spacecraft launches. Since the memory foam has a restoring force to gradually return to its original form when pressed, the seat body 110 may appropriately disperse the pressure that the pelvis presses by the restoring force of the memory foam as a whole.
  • the seat body 110 is made of a latex material, it is possible to appropriately disperse the pressure pelvis pressing overall by the restoring force of the latex.
  • the pair of cushioning members 120 are fitted to the fitting grooves 111a of the vertebral bone support 111 at predetermined intervals in the left and right directions of the vertebral bone support 111 on the upper surface of the vertebral bone support 111. .
  • the cushion members 120 may provide cushioning through pressure dispersion in the left and right convex bones, respectively.
  • the cushion members 120 may achieve symmetry.
  • the cushion members 120 are formed to have a plurality of through holes made of viscoelastic material. That is, the cushion member 120 has both viscosity and elasticity, and consists of a through structure. Accordingly, the cushion member 120 may provide optimal comfort by dispersing the pressure applied to the pelvis during seating so as not to press the skin and the microvascular vessel at a low critical pressure. In addition, the cushion member 120 is effective in releasing moisture and sweat through the air pumping effect and excellent breathability of the body heat and sweat during the seating structure to maintain the temperature and humidity, thereby inducing comfortable sitting.
  • the cushion member 120 can complement the convex bone support 111 of the seat body 110.
  • the cushion member 120 complements the convex bone support 111 of the seat body 110, which is highly viscous, thereby increasing the holding force and shape maintaining effect with inherent elasticity. To help the occupants maintain their correct posture.
  • the cushion member 120 complements the convex bone support 111 of the seat body 110 with emphasis on elasticity to reduce contact area and lower pressure by inherent viscosity, It reduces skin irritation and makes it easy to cope with various body types.
  • the cushion member 120 having the above-described structure is physically fitted without being bonded to the fitting groove 111a, the cushion member 120 may be deformed independently of the convex bone support 111 to support the user's convex bone. Therefore, the cushion members 120 may provide a heterogeneous feeling with the surrounding vertebral bone support 111, thereby giving a massage function according to the movement of the hip during sitting.
  • the upper edge of the cushion member 120 is set to the same height as the upper edge of the fitting groove 111a, so that the cushion member 120 can be fitted to the fitting groove 111a without stepping.
  • the upper portion of the cushion member 120 may be set to the same height as the opening of the fitting groove 111a.
  • the upper edge of the cushion member 120 may be set higher or lower than the upper edge of the fitting groove 111a in a range capable of performing the above-described function.
  • each cushion member 120 may include a lower cushion portion 121, an upper cushion portion 122, and reinforcing ribs 123.
  • the lower cushion part 121 is formed by being partitioned by the lower partition walls 121b such that the lower through holes 121a penetrate upward and downward in the regular hexagonal cross section, respectively.
  • the lower through holes 121a may be arranged in a hexagon.
  • the thickness of the lower partition wall 121b may be gradually thinned downward.
  • the lower partition wall 121b may have a top thickness of 1.65 mm to 1.7 mm and a bottom thickness of approximately 1.55 mm to 1.6 mm. Therefore, the lower through-hole 121a is gradually expanded toward the lower side, thereby making it easier to take out the lower cushion portion 121 molded from the mold during injection molding of the lower cushion portion 121.
  • the lower partition wall 121b may be weakened when the difference between the upper thickness and the lower thickness is too large.
  • the upper cushion part 122 is partitioned by the upper partitions 122b so that the upper through holes 122a are vertically penetrated through the regular hexagonal cross section, respectively.
  • the upper through holes 122a may be arranged in a hexagon.
  • the thickness of the upper partition wall 122b may be gradually thinned upward.
  • the upper partition wall 122b may have a lower thickness of 1.65 to 1.7 mm and an upper thickness of approximately 1.5 mm. Therefore, the upper through hole 122a is gradually expanded toward the upper portion, thereby making it easier to take out the upper cushion portion 122 molded from the mold during injection molding of the upper cushion portion 122.
  • the upper partition wall 122b since the upper partition wall 122b has a thinner top thickness than the bottom thickness, the upper partition wall 122b may reduce the area of contact with the convex bone of the user's pelvis to lower the pressure.
  • the upper partition wall 122b may be weakened when the difference between the upper thickness and the lower thickness is too large.
  • the upper cushion part 122 is stacked on the lower cushion part 121 so that each center of the upper through holes 122a coincides with each center of the lower through holes 121a.
  • the upper cushion part 122 may be integrally formed with the lower cushion part 121. Accordingly, the cushion member 120 may have a double honeycomb structure by the upper through holes 122a and the lower through holes 121a, and may have air permeability and more effectively distribute pressure.
  • the sizes of the upper through holes 122a and the lower through holes 121a may be minimized in a range capable of injection molding, thereby maximizing the pressure dispersion effect.
  • the shortest widths of the upper through holes 122a and the lower through holes 121a may be set to 10 mm to 12 mm
  • the maximum depths of the upper through holes 122 a and the lower through holes 121 a may be set to 12 mm to 14 mm. have.
  • the reinforcing ribs 123 are formed at each boundary portion between the upper through hole 122a and the lower through hole 121a.
  • the reinforcing ribs 123 may be formed together at the injection molding of the upper cushion part 122, and thus may be formed around a boundary in the upper through hole 122a connected to the lower through hole 121a.
  • the reinforcing ribs 123 may be formed together during the injection molding of the lower cushion part 121, so that the reinforcing ribs 123 may be formed around a boundary in the lower through hole 121a connected to the upper through hole 122a.
  • the reinforcing rib 123 reinforces the cushion member 120 by supporting the upper partition 122b and the lower partition 121b in the horizontal direction.
  • the reinforcing rib 123 may have a structure in which three straight ribs are connected to each other at the center. The six ends of the reinforcing rib 123 may be connected to six edges at the boundary of the upper partition 122b and the lower partition 121b, respectively.
  • the reinforcing rib 123 has three straight ribs arranged horizontally side by side on the upper partition 122b and the lower partition 121b, respectively. Therefore, the reinforcing rib 123 may further increase the effect of supporting the upper partition 122b and the lower partition 121b in the horizontal direction, thereby increasing durability of the cushion member 120.
  • Each rib width of the reinforcing rib 123 may be set to be larger than each thickness of the upper partition wall 122b and the lower partition wall 121b.
  • the thickness of the reinforcing rib 123 may be set to 1.5 mm.
  • the composition of the viscoelastic material used in the manufacture of the cushion member 120 may include a mixture of a polystyrene-based polymer and a copolymer of polypropylene and an oil.
  • Polystyrene-based polymers have a triblock structure.
  • the polystyrene-based polymer may be styrene- (ethylene / buthylene) -styrene block copolymer (SEBS) or polystyrene-block-poly (ethylene-ethylene / propylene) -block polystyrene (SEEEPS). Therefore, the copolymer copolymerized with the polystyrene-based polymer and the polypropylene may be PP-SEBS.
  • the mixture may include 30 to 40% by weight of the copolymer copolymerized with the polystyrene-based polymer and polypropylene and 60 to 70% by weight of the oil.
  • the oil content is less than 60% by weight, the hardness (Shore A) is increased, so that the effect of suppression dispersion is reduced and the shrinkage rate is very large, so that ejecting is very difficult during injection. Injection is not possible because it is not easy to mix, and even if it is injection, it is preferable to set the oil content in the above range because oil blooming occurs during use.
  • the composition may comprise 5 to 8 parts by weight of an additive based on 100 parts by weight of the mixture of the copolymer and the oil.
  • the additive is to remove oil blooming and to improve heat resistance, and dry silica or wet silica may be used. Fumed Silica may be used as the dry silica.
  • the composition may further comprise a heat stabilizer as necessary to prevent deterioration by heating during molding.
  • the composition may include 0.3 to 0.7 parts by weight of the heat stabilizer relative to 100 parts by weight of the mixture consisting of a copolymer and an oil.
  • the heat stabilizer consists of organic phosphites such as triphenyl phosphite, tris- (2,6-dimethylphenyl) phosphite, tris- (mixture of mono- and di-nonylphenyl) phosphites, or dimethylbenzene phosphonate It may consist of phosphonates such as, or of phosphates such as trimethyl phosphate, or a combination thereof.
  • the composition may have aromatherapy and antimicrobial functions, including 0.5 to 5.0 parts by weight of fragrance oil and 0.05 to 10.0 parts by weight of antimicrobial agent, relative to 100 parts by weight of the mixture of the copolymer and the oil.
  • the fragrance oil may be extracted from at least one selected from the group consisting of lavender, grapefruit, eucalyptus, rosemary, peppermint and ylang-ylang.
  • the antimicrobial agent may be an organic or inorganic antimicrobial agent.
  • the organic antimicrobial agent may be zinc bis (2-pyridinethiol-1-oxide).
  • the pelvis sheet 100 may further include a seat cover 130 covering and covering the seat body 110 and the cushion member 120 together.
  • the seat cover 130 may cover and protect the seat body 110 and the cushion members 120.
  • the size and shape of the seat cover 130 may be set so that the cushion members 120 are not separated from being fitted into the fitting grooves 111a of the buccal bone support 111.
  • the seat cover 130 may include a zipper 131 so that the seat cover 130 can be easily covered or peeled off from the seat body 110.
  • the seat cover 130 may be made of a mesh fabric on the top and sides except for the bottom to maximize breathability. Accordingly, the seat cover 130 may prevent sweat and body fluids from directly contacting the seat body 110 and the cushion members 120 while sitting, and may provide air comfort.
  • the seat cover 130 may be made of a fabric having elasticity and softness to help the cushion members 120 to provide optimum pressure dispersion.
  • the seat cover 130 may be made of elastin mesh fabric or the like.

Landscapes

  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
PCT/KR2019/009222 2018-07-25 2019-07-25 골반 시트 WO2020022792A1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201980025220.0A CN111954477B (zh) 2018-07-25 2019-07-25 骨盆垫

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0086494 2018-07-25
KR1020180086494A KR102173497B1 (ko) 2018-07-25 2018-07-25 골반 시트

Publications (1)

Publication Number Publication Date
WO2020022792A1 true WO2020022792A1 (ko) 2020-01-30

Family

ID=69182358

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/009222 WO2020022792A1 (ko) 2018-07-25 2019-07-25 골반 시트

Country Status (4)

Country Link
KR (1) KR102173497B1 (zh)
CN (1) CN111954477B (zh)
TW (1) TWI715119B (zh)
WO (1) WO2020022792A1 (zh)

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
KR102260087B1 (ko) * 2021-02-02 2021-06-03 (주)칼리즈 체중분산과 냉각 및 통기성 기능을 갖는 메모리폼 방석
KR102621987B1 (ko) * 2021-04-16 2024-01-10 주식회사 불스원 젤 쿠션을 이용한 침구류 충전물
KR102646782B1 (ko) * 2022-02-09 2024-03-11 윤석균 젤 쿠션 및 이를 포함하는 의자용 쿠션
US11980297B2 (en) * 2023-09-20 2024-05-14 Yi Zhang Memory foam cushion body and memory foam seat cushion

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Also Published As

Publication number Publication date
KR20200011707A (ko) 2020-02-04
KR102173497B1 (ko) 2020-11-03
CN111954477B (zh) 2023-08-04
TW202007319A (zh) 2020-02-16
TWI715119B (zh) 2021-01-01
CN111954477A (zh) 2020-11-17

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