JP5057289B2 - cushion - Google Patents

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Publication number
JP5057289B2
JP5057289B2 JP2008013889A JP2008013889A JP5057289B2 JP 5057289 B2 JP5057289 B2 JP 5057289B2 JP 2008013889 A JP2008013889 A JP 2008013889A JP 2008013889 A JP2008013889 A JP 2008013889A JP 5057289 B2 JP5057289 B2 JP 5057289B2
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base member
cushion
air cell
air
seated person
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JP2009172148A (en
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飯田  潔
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Yokohama Rubber Co Ltd
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Yokohama Rubber Co Ltd
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Description

本発明は、例えば車椅子の着座面に載置され、着座者に発生する褥瘡を防止するために着座者の臀部を軟らかく支持するクッションに関するものである。   The present invention relates to a cushion that is placed on, for example, a seating surface of a wheelchair and softly supports a seated person's buttocks in order to prevent pressure ulcers generated by the seated person.

一般に、この種のクッションとしては、平板状のベース部材と、互いに略水平方向に並ぶように配置されるとともに、ベース部材によってそれぞれ下端側を支持され、着座者の臀部を支持する複数のエアーセルと、ベース部材に取付けられた電動エアーポンプ及び複数の電磁弁と、電動エアーポンプ、各電磁弁及び各エアーセルを互いに連結する複数本の可撓性パイプとを備え、電動エアーポンプ及び各電磁弁によって各エアーセル内の空気量を調整するようにしたものが知られている(例えば、特許文献1参照。)。
特許4010557号公報
In general, as this type of cushion, a flat base member and a plurality of air cells that are arranged so as to be aligned in a substantially horizontal direction, are supported on the lower end side by the base member, and support a seated person's buttocks An electric air pump and a plurality of solenoid valves attached to the base member, and a plurality of flexible pipes connecting the electric air pump, each solenoid valve and each air cell to each other, and the electric air pump and each solenoid valve What adjusted the air quantity in each air cell is known (for example, refer patent document 1).
Japanese Patent No. 4010557

ところで、前記クッションでは、各エアーセルが可撓性材料から成るとともに袋状に形成されているので、各エアーセルによって着座者の臀部を軟らかく支持することができる。   By the way, in the said cushion, since each air cell consists of flexible materials and is formed in the bag shape, a seated person's buttocks can be supported softly by each air cell.

しかしながら、各エアーセルの破損や電動エアーポンプの故障等によって各エアーセル内の空気量が意図せず低下すると、着座者の臀部がベース部材の上面によって支持されることになるが、ベース部材は各エアーセルのように着座者の臀部を軟らかく支持することができないので、着座者に発生する褥瘡を防止する上で好ましくないという問題点があった。   However, if the amount of air in each air cell is unintentionally lowered due to damage to each air cell, failure of the electric air pump, etc., the seated person's buttocks will be supported by the upper surface of the base member. As described above, since the seated person's buttocks cannot be softly supported, there is a problem in that it is not preferable in preventing pressure ulcers occurring in the seated person.

本発明は前記問題点に鑑みてなされたものであり、その目的とするところは、各エアーセル内の空気量が意図せず低下した場合でも着座者の臀部を軟らかく支持することのできるクッションを提供することにある。   The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a cushion that can softly support a seated person's buttocks even when the amount of air in each air cell is unintentionally reduced. There is to do.

本発明は前記目的を達成するために、平板状のベース部材と、互いに略水平方向に並ぶように配置されるとともに、ベース部材によってそれぞれ下端側を支持され、着座者の臀部を支持する複数のエアーセルとを備えたクッションにおいて、前記ベース部材の上面に、スポンジ状部材から成るとともに各エアーセルがそれぞれ上下方向に挿通するように形成された緩衝部材を着脱自在に設けている。 In order to achieve the above object, the present invention provides a flat base member and a plurality of base members that are arranged so as to be aligned in a substantially horizontal direction, are supported at the lower ends by the base members, and support a seated person's buttocks. In a cushion including an air cell, a cushioning member made of a sponge-like member and formed so that each air cell is vertically inserted is detachably provided on the upper surface of the base member.

これにより、各エアーセルはそれぞれベース部材によって下端側を支持され、ベース部材の上面には緩衝部材が設けられるとともに、緩衝部材はスポンジ状部材から成り、緩衝部材は各エアーセルがそれぞれ上下方向に挿通するように形成されていることから、各エアーセル内の空気量が意図せず低下し、各エアーセルによって着座者の臀部を支持することができなくなった場合でも、緩衝部材によって着座者の臀部が支持される。また、緩衝部材がベース部材の上面に着脱自在に設けられることから、クッションの洗浄や修理を行う際に緩衝部材を容易に取外すことができる。 As a result, each air cell is supported at its lower end by the base member, and a buffer member is provided on the upper surface of the base member. The buffer member is formed of a sponge-like member, and each air cell is inserted vertically in the buffer member. Therefore, even if the amount of air in each air cell is unintentionally lowered and the seat of the seated person cannot be supported by the air cell, the seat of the seated person is supported by the buffer member. The Further, since the buffer member is detachably provided on the upper surface of the base member, the buffer member can be easily removed when cleaning or repairing the cushion.

本発明によれば、各エアーセル内の空気量が意図せず低下し、各エアーセルによって着座者の臀部を支持することができなくなった場合でも、緩衝部材によって着座者の臀部を軟らかく支持することができるので、着座者に発生する褥瘡を防止する上で極めて有利である。また、クッションの洗浄や修理を行う際に緩衝部材を容易に取外すことができるので、クッションの取扱いを容易にする上で極めて有利である。 According to the present invention, even when the amount of air in each air cell is unintentionally reduced and the air cell cannot support the seat occupant's buttocks, the cushion member can softly support the seat occupant's buttocks. This is extremely advantageous in preventing pressure ulcers that occur in a seated person. Further, since the cushioning member can be easily removed when the cushion is cleaned or repaired, it is extremely advantageous for easy handling of the cushion.

図1乃至図4は本発明の一実施形態を示すもので、図1はクッションの側面断面図、図2は緩衝部材を取付ける前のクッションの側面断面図、図3はクッションの平面図、図4は緩衝部材の平面図である。以下の文章中における方向の説明は図1及び図3に示した方向に準ずる。また、左右方向は着座面の幅方向と一致している。   1 to 4 show an embodiment of the present invention. FIG. 1 is a side sectional view of the cushion, FIG. 2 is a side sectional view of the cushion before mounting the cushioning member, and FIG. 3 is a plan view of the cushion. 4 is a plan view of the buffer member. The explanation of directions in the following text is based on the directions shown in FIGS. Further, the left-right direction coincides with the width direction of the seating surface.

このクッションは、互いに略水平方向に並ぶように配置されるとともに、着座者の臀部を支持するために設けられた複数のエアーセル10と、各エアーセル10から成るエアーセル群に対して着座面の前端側に設けられた前端側支持部材20と、各エアーセル10及び前端側支持部材20の下端側をそれぞれ支持するベース部材30と、ベース部材30の上面に着脱自在に載置された緩衝部材40とを備えている。前記着座面は例えば車椅子の着座面であり、このクッションは着座者の臀部を軟らかく支持するために着座面に載置されて使用される。   The cushions are arranged so as to be aligned substantially in the horizontal direction, and a plurality of air cells 10 provided to support the seated person's buttocks, and the front end side of the seating surface with respect to the air cell group including the air cells 10 A front end side support member 20 provided on the base member 30, a base member 30 supporting each air cell 10 and the lower end side of the front end side support member 20, and a buffer member 40 detachably mounted on the upper surface of the base member 30. I have. The seating surface is, for example, a seating surface of a wheelchair, and this cushion is used by being placed on the seating surface in order to softly support a seated person's buttocks.

各エアーセル10はゴムやプラスチック等の可撓性の材料から成り、下端が開口している袋状に形成されている。   Each air cell 10 is made of a flexible material such as rubber or plastic, and is formed in a bag shape having an open lower end.

前端側支持部材20は発泡ウレタン等のスポンジ状部材から成り、着座者の大腿部の近傍を支持するようになっている。   The front end side support member 20 is made of a sponge-like member such as urethane foam, and supports the vicinity of the thigh of the seated person.

ベース部材30はゴムやプラスチックから成り、平板状に形成されている。ベース部材30は、平板状に形成された上側ベース部材30aと平板状に形成された下側ベース部材30bとを貼り合わせることにより形成されている。上側ベース部材30aには上方に向って開口している複数の取付穴30cが設けられ、各エアーセル10の開口縁部が各取付穴30にそれぞれ嵌合することにより、各エアーセル10の下端側がベース部材30に着脱自在に取付けられている。下側ベース部材30bには所定の位置に溝30dが設けられ、上側ベース部材30aの取付穴30cに対応する位置には上側ベース部材30aを上下方向に貫通する貫通孔30eがそれぞれ設けられ、溝30d及び各貫通孔30eによってベース部材30内に空気通路が形成されている。   The base member 30 is made of rubber or plastic and has a flat plate shape. The base member 30 is formed by laminating an upper base member 30a formed in a flat plate shape and a lower base member 30b formed in a flat plate shape. The upper base member 30a is provided with a plurality of mounting holes 30c that open upward, and the opening edge of each air cell 10 is fitted into each mounting hole 30 so that the lower end side of each air cell 10 is the base. The member 30 is detachably attached. A groove 30d is provided at a predetermined position in the lower base member 30b, and a through hole 30e penetrating the upper base member 30a in the vertical direction is provided at a position corresponding to the mounting hole 30c of the upper base member 30a. An air passage is formed in the base member 30 by 30d and each through hole 30e.

ベース部材30における着座面の前端側には他の部分よりも大きな厚さ寸法を有するベース前端部30fが設けられ、ベース前端部30fには下方に向かって開口している中空部30gが設けられている。また、前端側支持部材20の下面が面ファスナーや接着剤によってベース前端部30fの上面に取付けられることにより、前端側支持部材20の下端側がベース部材30によって支持されている。   A base front end portion 30f having a thickness dimension larger than that of the other portions is provided on the front end side of the seating surface of the base member 30, and a hollow portion 30g that opens downward is provided in the base front end portion 30f. ing. Moreover, the lower end side of the front end side support member 20 is supported by the base member 30 by attaching the lower surface of the front end side support member 20 to the upper surface of the base front end portion 30f with a hook-and-loop fastener or an adhesive.

中空部30g内には、各エアーセル10に空気を供給するための周知の電動エアーポンプ50と、周知の構造を有する複数の電磁弁(図示せず)及び周知のマイクロコンピュータから成る制御装置(図示せず)が設けられている。電動エアーポンプ50は下方に向って開口しているハウジング51内に固定され、ハウジング51が中空部30g内に嵌め込まれている。各電磁弁及び制御装置もそれぞれ同様のハウジング内に固定され、各ハウジングが中空部30g内に嵌め込まれている。また、中空部30gの開口部はプラスチックから成る板状の底面カバー31によって閉鎖されている。   In the hollow portion 30g, a known electric air pump 50 for supplying air to each air cell 10, a plurality of solenoid valves (not shown) having a known structure, and a control device (not shown) comprising a known microcomputer. Not shown). The electric air pump 50 is fixed in a housing 51 that opens downward, and the housing 51 is fitted in the hollow portion 30g. Each solenoid valve and the control device are also fixed in the same housing, and each housing is fitted in the hollow portion 30g. The opening of the hollow portion 30g is closed by a plate-like bottom cover 31 made of plastic.

電動エアーポンプ50、各電磁弁及び各エアーセル10は図示しない可撓性パイプ及びベース部材30内の空気通路を介して互いに接続されている。また、制御装置は電動エアーポンプ50及び各電磁弁に接続され、電動エアーポンプ50及び各電磁弁を制御して各エアーセル10内の空気量を調整するようになっている。   The electric air pump 50, each solenoid valve, and each air cell 10 are connected to each other via a flexible pipe (not shown) and an air passage in the base member 30. The control device is connected to the electric air pump 50 and each electromagnetic valve, and controls the electric air pump 50 and each electromagnetic valve to adjust the amount of air in each air cell 10.

緩衝部材40は発泡ウレタン等のスポンジ状部材から成り、ベース前端部30fを除いたベース部材30と同等の形状を有する平板状に形成されている。また、緩衝部材40には複数の貫通孔41が設けられ、各貫通孔41は緩衝部材40を上下方向に貫通するとともに、各エアーセル10に対応する位置に配置されている。各貫通孔41はエアーセル10下端側の外径と同等またはわずかに大きい内径を有する。緩衝部材40はベース部材30の上面に載置されると、各エアーセル10が各貫通孔41を上下方向に挿通する。また、各エアーセル10が各貫通孔41を上下方向に挿通することにより、緩衝部材40がベース部材30上で位置決めされるので、緩衝部材40を位置決めするための手段を別途設ける必要がない。   The buffer member 40 is made of a sponge-like member such as urethane foam, and is formed in a flat plate shape having the same shape as the base member 30 except for the base front end portion 30f. The buffer member 40 is provided with a plurality of through holes 41, and each through hole 41 penetrates the buffer member 40 in the vertical direction and is disposed at a position corresponding to each air cell 10. Each through hole 41 has an inner diameter equal to or slightly larger than the outer diameter of the lower end side of the air cell 10. When the buffer member 40 is placed on the upper surface of the base member 30, each air cell 10 passes through each through hole 41 in the vertical direction. Moreover, since each air cell 10 penetrates each through-hole 41 in the up-down direction, the buffer member 40 is positioned on the base member 30, so there is no need to separately provide a means for positioning the buffer member 40.

以上のように構成されたクッションは、例えば布製のクッションカバー(図示せず)によって覆われ、着座者の臀部を軟らかく支持するために使用される。   The cushion configured as described above is covered with, for example, a cloth cushion cover (not shown), and is used to softly support a seated person's buttocks.

ここで、各エアーセル10はベース部材30によってそれぞれ下端側を支持され、ベース部材30の上面には緩衝部材40が設けられるとともに、緩衝部材40はスポンジ状部材から成り、緩衝部材40は各エアーセル10がそれぞれ上下方向に挿通するように形成されていることから、例えば一部のエアーセル10の破損や電動エアーポンプ50の故障が生ずることにより、各エアーセル10内の空気量が意図せず低下し、各エアーセル10によって着座者の臀部を支持することができなくなった場合でも、緩衝部材40によって着座者の臀部が軟らかく支持される。   Here, the lower end side of each air cell 10 is supported by the base member 30, and a buffer member 40 is provided on the upper surface of the base member 30, and the buffer member 40 is made of a sponge-like member. Are formed so as to be inserted through in the vertical direction, for example, due to damage to some of the air cells 10 or failure of the electric air pump 50, the amount of air in each air cell 10 unintentionally decreases, Even when it becomes impossible to support the occupant's buttocks by each air cell 10, the cushioning member 40 softly supports the occupant's buttocks.

このように、本実施形態によれば、各エアーセル10内の空気量が意図せず低下し、各エアーセル10によって着座者の臀部を支持することができなくなった場合でも、緩衝部材40によって着座者の臀部を軟らかく支持することができるので、着座者に発生する褥瘡を防止する上で極めて有利である。   As described above, according to the present embodiment, even when the air amount in each air cell 10 is unintentionally decreased and the occupant's buttocks cannot be supported by each air cell 10, the cushioning member 40 allows the seated person to sit down. Therefore, it is extremely advantageous in preventing pressure ulcers generated in the seated person.

また、緩衝部材40をベース部材の上面に着脱自在に設けたので、クッションの洗浄や修理を行う際に緩衝部材40を容易に取外すことができ、クッションの取扱いを容易にする上で極めて有利である。   Further, since the cushioning member 40 is detachably provided on the upper surface of the base member, the cushioning member 40 can be easily removed when cleaning and repairing the cushion, which is extremely advantageous for easy handling of the cushion. is there.

尚、本実施形態では、緩衝部材40がスポンジ状部材であるものを示した。これに対し、スポンジ状部材を布、ゴム、プラスチック等のカバー部材によって覆うことにより緩衝部材40を形成することも可能である。この場合でも緩衝部材40はスポンジ状部材から成り、前述と同等の作用効果を達成することが可能である。   In the present embodiment, the buffer member 40 is a sponge member. On the other hand, the cushioning member 40 can be formed by covering the sponge-like member with a cover member such as cloth, rubber, or plastic. Even in this case, the buffer member 40 is made of a sponge-like member, and can achieve the same effects as described above.

本発明における一実施形態を示すクッションの側面断面図Side surface sectional drawing of the cushion which shows one Embodiment in this invention 緩衝部材を取付ける前のクッションの側面断面図Side sectional view of cushion before mounting cushioning member クッションの平面図Top view of cushion 緩衝部材の平面図Top view of cushioning member

符号の説明Explanation of symbols

10…エアーセル、20…前端側支持部材、30…ベース部材、30a…上側ベース部材、30b…下側ベース部材、30f…ベース前端部、30g…中空部、31…底面カバー、40…緩衝部材、50…電動エアーポンプ。   DESCRIPTION OF SYMBOLS 10 ... Air cell, 20 ... Front end side support member, 30 ... Base member, 30a ... Upper base member, 30b ... Lower base member, 30f ... Base front end part, 30g ... Hollow part, 31 ... Bottom cover, 40 ... Buffer member, 50: Electric air pump.

Claims (1)

平板状のベース部材と、互いに略水平方向に並ぶように配置されるとともに、ベース部材によってそれぞれ下端側を支持され、着座者の臀部を支持する複数のエアーセルとを備えたクッションにおいて、
前記ベース部材の上面に、スポンジ状部材から成るとともに各エアーセルがそれぞれ上下方向に挿通するように形成された緩衝部材を着脱自在に設けた
ことを特徴とするクッション。
In a cushion provided with a flat base member and a plurality of air cells that are arranged so as to be aligned in a substantially horizontal direction with each other, are supported at the lower end side by the base member, and support the buttocks of the seated person,
Cushion the upper surface of the base member, characterized in that each air cells with consisting sponge member is detachably provided on the formed buffer member so as to pass through the upper and lower directions.
JP2008013889A 2008-01-24 2008-01-24 cushion Expired - Fee Related JP5057289B2 (en)

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JP2009172148A JP2009172148A (en) 2009-08-06
JP5057289B2 true JP5057289B2 (en) 2012-10-24

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5653723Y2 (en) * 1978-03-24 1981-12-15
JPS6238158A (en) * 1985-08-12 1987-02-19 株式会社丸二製作所 Mattress for preventing bedsore
JP3996941B2 (en) * 2005-07-11 2007-10-24 横浜ゴム株式会社 Air cell unit and cushion using the same

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