JP6652904B2 - Folding bed - Google Patents

Folding bed Download PDF

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JP6652904B2
JP6652904B2 JP2016196345A JP2016196345A JP6652904B2 JP 6652904 B2 JP6652904 B2 JP 6652904B2 JP 2016196345 A JP2016196345 A JP 2016196345A JP 2016196345 A JP2016196345 A JP 2016196345A JP 6652904 B2 JP6652904 B2 JP 6652904B2
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bed
frame
body side
leg
wheel member
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JP2018057536A (en
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美喜男 中野
美喜男 中野
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ATECS CORP
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Description

本発明は、使用者が載せられる寝台部を折畳むことができる折畳みベッドに関する。   TECHNICAL FIELD The present invention relates to a folding bed capable of folding a bed on which a user is placed.

従来、使用者が載せられる寝台部が、ベッド側面視において、略水平となる水平状態と、逆Ｖ字状に折り曲げられた折り畳み状態とに変形可能な折畳みベッドが種々提案されている。   2. Description of the Related Art Conventionally, various types of folding beds have been proposed in which a bed on which a user is placed can be deformed into a horizontal state in which the bed is viewed substantially horizontally and a folded state in which the bed is folded in an inverted V-shape.

例えば、下記特許文献１には、使用者の下半身側が載せられる下半身側寝台部と使用者の上半身側が載せられる上半身側寝台部とを含む寝台部と、寝台部が載置されるベッドフレーム枠と、ベッドフレーム枠を支持する脚部とを備えた折畳みベッドが記載されている。特許文献１の折畳みベッドの脚部は、床面に対して前記ベッドフレーム枠を水平移動自在に支持する車輪部材を含んでいる。この折畳みベッドは、寝台部を水平状態と折り畳み状態との間で変形させる際に車輪部材が床面を走行するので、当該変形作業は、スムーズに行われる。   For example, in Patent Document 1 below, a bed portion including a lower body side bed portion on which the lower body side of the user is placed and an upper body side bed portion on which the upper body side of the user is placed, and a bed frame frame on which the bed portion is placed. And a leg that supports a bed frame. The leg portion of the folding bed of Patent Literature 1 includes a wheel member that supports the bed frame frame so as to be movable horizontally with respect to the floor surface. In this folding bed, when the bed is deformed between the horizontal state and the folded state, the wheel members travel on the floor surface, so that the deformation operation is performed smoothly.

特開２０１６−１３１７９８号公報JP-A-2006-131798

折畳みベッドに使用者が載せられるとき（すなわち、床面に対して寝台部が水平状態で配置されるとき）、床面に対してベッドが移動すると、使用者は安心できない。したがって、ベッドは、水平状態では、床面に対して移動しないことが望まれている。   When the user is placed on the folding bed (that is, when the bed is placed horizontally with respect to the floor), if the bed moves with respect to the floor, the user cannot be relieved. Therefore, it is desired that the bed does not move relative to the floor surface in the horizontal state.

特許文献１の折畳みベッドは、寝台部が水平状態のときに、下半身側寝台部と上半身側寝台部との間に位置する連結脚部が床面に接地することで、床面に対する移動を妨げている。しかしながら、特許文献１の折畳みベッドは、連結脚部とともに車輪部材が接地しているので、水平状態のときにも床面に対して移動し易い状態となっていた。   In the folding bed of Patent Literature 1, when the bed portion is in a horizontal state, the connection leg portion located between the lower body side bed portion and the upper body side bed portion is in contact with the floor surface, thereby preventing movement with respect to the floor surface. ing. However, in the folding bed disclosed in Patent Document 1, since the wheel members are grounded together with the connecting leg portions, the bed is easily moved relative to the floor even in a horizontal state.

このため、このような折畳みベッドでは、例えば、車輪部材にストッパを設けて、床面に対する移動を妨げている。しかしながら、車輪部材毎に設けられたストッパを全て操作する作業は、煩雑なものであった。また、例えば、折畳みベッドを部屋の隅部に配置するときに、当該隅部に位置するストッパを操作する作業は、非常に困難なものであった。   For this reason, in such a folding bed, for example, a stopper is provided on the wheel member to hinder movement with respect to the floor surface. However, the operation of operating all the stoppers provided for each wheel member is complicated. In addition, for example, when a folding bed is placed at a corner of a room, it is very difficult to operate a stopper located at the corner.

本発明は、以上のような実状に鑑み案出されたもので、床面に対して寝台部を水平状態で配置する際の作業性がよく、配置されたときに移動し難い折畳みベッドを提供することを主たる目的としている。   The present invention has been devised in view of the above situation, and provides a folding bed that has good workability when the bed portion is arranged in a horizontal state with respect to the floor surface and is difficult to move when placed. The main purpose is to

本発明は、使用者が載せられる寝台部と、前記寝台部が載置されるベッドフレーム枠と、前記ベッドフレーム枠を支持する脚部とを備えた折畳みベッドであって、前記寝台部は、ベッド側面視において、略水平となる水平状態と、逆Ｖ字状に折り曲げられた折り畳み状態とに変形可能であり、前記脚部は、床面に対して前記ベッドフレーム枠を水平移動自在に支持する車輪部材と、前記床面に対して前記ベッドフレーム枠の移動を妨げる非車輪部材とを含み、前記車輪部材は、前記寝台部が水平状態のときに離地し、前記寝台部が折り畳み状態のときに接地することを特徴とする。   The present invention is a folding bed including a bed on which a user is placed, a bed frame on which the bed is placed, and a leg supporting the bed frame, wherein the bed includes: When viewed from the side of the bed, the bed frame can be deformed into a horizontal state in which the bed frame is substantially horizontal and a folded state in which the bed frame is bent in an inverted V-shape. Wheel member and a non-wheel member that hinders movement of the bed frame frame with respect to the floor surface, wherein the wheel member takes off when the bed portion is in a horizontal state, and the bed portion is in a folded state. It is characterized by being grounded at the time of.

本発明に係る折畳みベッドにおいて、前記非車輪部材は、前記寝台部が水平状態のときに接地し、前記寝台部が折り畳み状態のときに離地するのが望ましい。   In the folding bed according to the present invention, it is preferable that the non-wheel member be in contact with the ground when the bed is in a horizontal state and take off when the bed is in a folded state.

本発明に係る折畳みベッドにおいて、前記車輪部材は、水平状態の前記寝台部の四隅に配置される４つの主車輪と、前記主車輪よりもベッド内側に配置される２つの補助車輪とを含むのが望ましい。   In the folding bed according to the present invention, the wheel member includes four main wheels arranged at four corners of the bed portion in a horizontal state, and two auxiliary wheels arranged inside the bed with respect to the main wheel. Is desirable.

本発明に係る折畳みベッドにおいて、前記各補助車輪は、ベッド幅方向において、互いに異なる位置に配置されるのが望ましい。   In the folding bed according to the present invention, it is preferable that the auxiliary wheels are arranged at different positions in the bed width direction.

本発明に係る折畳みベッドにおいて、前記寝台部は、使用者の下半身側が載せられる下半身側寝台部と使用者の上半身側が載せられる上半身側寝台部とを含み、前記ベッドフレーム枠は、前記下半身側寝台部が載置される下半身側フレーム枠と、前記上半身側寝台部が載置される上半身側フレーム枠と、前記下半身側フレーム枠と前記上半身側フレーム枠とを連結する連結フレームとを含み、前記連結フレームは、前記寝台部が水平状態のときに接地する連結脚部を含み、前記脚部は、前記下半身側フレーム枠を回動自在に支持する下半身側脚フレーム、前記上半身側フレーム枠を回動自在に支持する上半身側脚フレーム、並びに、前記下半身側脚フレーム及び前記上半身側脚フレームと前記連結脚部とを連結する脚部リンクを含むのが望ましい。   In the folding bed according to the present invention, the bed portion includes a lower body side bed portion on which the lower body side of the user is placed and an upper body side bed portion on which the upper body side of the user is placed, and the bed frame frame is the lower body side bed. The lower body side frame frame on which the portion is placed, the upper body side frame frame on which the upper body side bed portion is placed, and a connection frame that connects the lower body side frame frame and the upper body side frame frame, The connection frame includes a connection leg that contacts the ground when the bed portion is in a horizontal state, and the leg rotates the lower body-side leg frame and the upper body-side frame that rotatably support the lower body-side frame. It is desirable to include an upper body side leg frame that movably supports, and a leg link that connects the lower body side leg frame, the upper body side leg frame, and the connection leg. There.

本発明に係る折畳みベッドにおいて、前記車輪部材は、前記下半身側脚フレーム及び前記上半身側脚フレームに固着され、前記非車輪部材は、前記脚部リンクに固着されるのが望ましい。   In the folding bed according to the present invention, it is preferable that the wheel member is fixed to the lower body side leg frame and the upper body side leg frame, and the non-wheel member is fixed to the leg link.

本発明に係る折畳みベッドにおいて、前記寝台部が水平状態のときの前記車輪部材の離地隙間は、１mm以上であるのが望ましい。   In the folding bed according to the present invention, it is preferable that a take-off gap of the wheel member when the bed portion is in a horizontal state is 1 mm or more.

本発明に係る折畳みベッドにおいて、前記車輪部材は、キャスターを含むのが望ましい。   In the folding bed according to the present invention, it is preferable that the wheel member includes a caster.

本発明の折畳みベッドにおいて、脚部は、床面に対してベッドフレーム枠を水平移動自在に支持する車輪部材と、前記床面に対して前記ベッドフレーム枠の移動を妨げる接地可能な非車輪部材とを含んでいる。このような車輪部材は、寝台部を、水平状態と折り畳み状態との間のでスムーズに変形させるのに役立つ。また、非車輪部材は、寝台部が水平状態の折畳みベッドの床面に対する移動を妨げることができる。   In the folding bed according to the present invention, the leg portion is a wheel member that supports the bed frame frame so as to be able to move horizontally with respect to the floor surface, and a non-wheel member that can contact the floor surface to move the bed frame frame with respect to the floor surface. And Such a wheel member helps to smoothly deform the bed between the horizontal state and the folded state. Further, the non-wheel member can prevent the bed portion from moving with respect to the floor surface of the folding bed in a horizontal state.

本発明の折畳みベッドにおいて、車輪部材は、前記寝台部が水平状態のときに離地し、前記寝台部が折り畳み状態のときに接地している。このため、寝台部が水平状態で配置された折畳みベッドは、車輪部材により、床面に対して水平移動するおそれがない。このような折畳みベッドは、寝台部が水平状態で配置された床面に対して移動し難く、使用者が安心して使用することができる。そして、この車輪部材の離地及び接地の変更は、本発明の折畳みベッドの寝台部を水平状態と折り畳み状態との間で変更するのみで行うことができるので、本発明の折畳みベッドは、床面に対して寝台部を水平状態で配置する際の作業性を向上させ得る。   In the folding bed according to the present invention, the wheel member takes off when the bed portion is in a horizontal state, and is grounded when the bed portion is in a folded state. Therefore, the folding bed in which the bed portion is arranged in a horizontal state does not have a possibility of being horizontally moved with respect to the floor surface by the wheel member. Such a folding bed does not easily move with respect to the floor on which the bed portion is arranged in a horizontal state, and the user can use it with ease. And the change of the takeoff and grounding of the wheel member can be performed only by changing the bed part of the folding bed of the present invention between the horizontal state and the folding state, so that the folding bed of the present invention Workability when the bed portion is arranged in a horizontal state with respect to the surface can be improved.

本発明の折畳みベッドの一実施形態を示す側面図である。It is a side view showing one embodiment of the folding bed of the present invention. 折り畳み状態の折畳みベッドの側面図である。It is a side view of the folding bed of a folding state. 折畳みベッドの下方斜視図である。It is a downward perspective view of a folding bed. 下半身側から視た折畳みベッドの正面図である。It is a front view of the folding bed seen from the lower body side. 図１のＡ部の拡大図である。It is an enlarged view of the A section of FIG.

以下、本発明の実施の一形態が図面に基づき詳細に説明される。
図１には、本実施形態の折畳みベッド１の側面図が示されている。図１に示されるように、本実施形態の折畳みベッド１は、使用者が載せられる寝台部２と、寝台部２が載置されるベッドフレーム枠３と、ベッドフレーム枠３を支持する脚部４とを備えている。 Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
FIG. 1 shows a side view of a folding bed 1 of the present embodiment. As shown in FIG. 1, the folding bed 1 of the present embodiment includes a bed 2 on which a user is placed, a bed frame 3 on which the bed 2 is placed, and legs supporting the bed frame 3. 4 is provided.

本実施形態の折畳みベッド１は、ベッド長さ方向の一方側に使用者の頭部が載せられる頭部用マット５が設けられている。本明細書では、折畳みベッド１の頭部用マット５側を使用者の上半身側（以下、単に「上半身側」ということがある）Ｓ１とし、その反対側を使用者の下半身側（以下、単に「下半身側」ということがある）Ｓ２とする。   The folding bed 1 of the present embodiment is provided with a head mat 5 on which a user's head is placed on one side in the bed length direction. In the present specification, the head mat 5 side of the folding bed 1 is referred to as the upper body side of the user (hereinafter, sometimes simply referred to as “upper body side”) S1, and the opposite side is the lower body side of the user (hereinafter, simply referred to as “the upper body side”). (Sometimes referred to as "lower body side") S2.

本実施形態の寝台部２は、使用者の下半身側Ｓ２が載せられる下半身側寝台部６と、使用者の上半身側Ｓ１が載せられる上半身側寝台部７とを含んでいる。   The couch 2 of the present embodiment includes a lower body couch 6 on which the user's lower body S2 is mounted and an upper body couch 7 on which the user's upper body S1 is mounted.

寝台部２には、ウレタンフォーム等のクッション材からなるマット８が設けられるのが望ましい。マット８は、下半身側寝台部６から上半身側寝台部７にかけて一体的に設けられるのが望ましい。本実施形態の上半身側寝台部７には、マット８に隣接して、さらに、頭部用マット５が設けられている。マット８と頭部用マット５とは、一体的に形成されていてもよい。   It is preferable that the bed 2 be provided with a mat 8 made of a cushion material such as urethane foam. The mat 8 is desirably provided integrally from the lower body side bed 6 to the upper body side bed 7. The upper body side bed 7 of the present embodiment is further provided with a head mat 5 adjacent to the mat 8. The mat 8 and the head mat 5 may be formed integrally.

図２は、折り畳み状態の折畳みベッド１の側面図である。図１及び図２に示されるように、本実施形態の寝台部２は、ベッド側面視において、下半身側寝台部６と上半身側寝台部７とが略水平となる水平状態と、下半身側寝台部６と上半身側寝台部７とが逆Ｖ字状に折り曲げられた折り畳み状態とに変形可能である。   FIG. 2 is a side view of the folding bed 1 in a folded state. As shown in FIGS. 1 and 2, the couch 2 of the present embodiment includes a horizontal state in which the lower body side couch 6 and the upper body side couch 7 are substantially horizontal in a bed side view, and a lower body side couch. 6 and the upper body side bed part 7 can be deformed into a folded state in which the bed part is bent in an inverted V-shape.

図３は、折畳みベッド１の下方斜視図である。図１及び図３に示されるように、本実施形態のベッドフレーム枠３は、下半身側寝台部６が載置される下半身側フレーム枠９と、上半身側寝台部７が載置される上半身側フレーム枠１０とを含んでいる。ベッドフレーム枠３は、さらに、下半身側フレーム枠９と上半身側フレーム枠１０とを連結する連結フレーム１１を含んでいるのが望ましい。   FIG. 3 is a lower perspective view of the folding bed 1. As shown in FIGS. 1 and 3, the bed frame 3 of the present embodiment includes a lower body frame 9 on which the lower body bed 6 is placed and an upper body side on which the upper body bed 7 is placed. And a frame 10. It is preferable that the bed frame 3 further includes a connection frame 11 that connects the lower body frame 9 and the upper body frame 10.

下半身側フレーム枠９には、例えば、下半身側寝台部６を基準状態から山折りの屈曲状態（図示省略）に変形する第１アクチュエータ１２が設けられている。一方、上半身側フレーム枠１０には、例えば、上半身側寝台部７を基準状態から傾けたリクライニング状態（図示省略）に変形する第２アクチュエータ１３が設けられている。   The lower body side frame 9 is provided with, for example, a first actuator 12 that deforms the lower body side bed 6 from a reference state to a mountain-folded bent state (not shown). On the other hand, the upper body frame 10 is provided with, for example, a second actuator 13 that transforms the upper body bed 7 into a reclining state (not shown) in which the upper body bed 7 is inclined from a reference state.

なお、寝台部２の水平状態と折り畳み状態との変形は、下半身側寝台部６及び上半身側寝台部７が基準状態で行われる。このため、下半身側寝台部６を屈曲状態とする必要がない場合、第１アクチュエータ１２は、省略されてもよく、上半身側寝台部７のリクライニング状態とする必要がない場合、第２アクチュエータ１３は、省略されてもよい。   Note that the bed 2 is deformed between the horizontal state and the folded state with the lower body-side bed 6 and the upper body-side bed 7 in the reference state. Therefore, the first actuator 12 may be omitted when the lower body-side bed portion 6 does not need to be bent, and when the upper body-side bed portion 7 does not need to be reclined, the second actuator 13 may be omitted. May be omitted.

連結フレーム１１は、寝台部２が水平状態のときに接地する一対の連結脚部１１Ａを含んでいる。連結フレーム１１と、下半身側フレーム枠９及び上半身側フレーム枠１０との連結構造は、従来周知の構造が採用され得る。   The connection frame 11 includes a pair of connection legs 11A that contact the ground when the couch 2 is in a horizontal state. As a connection structure between the connection frame 11 and the lower body side frame 9 and the upper body side frame 10, a conventionally well-known structure can be adopted.

本実施形態の脚部４は、床面Ｆに対してベッドフレーム枠３を水平移動自在に支持する複数の車輪部材１４と、床面Ｆに対してベッドフレーム枠３の移動を妨げる複数の非車輪部材１５とを含んでいる。このような車輪部材１４は、寝台部２を、水平状態と折り畳み状態との間でスムーズに変形させるのに役立つ。また、非車輪部材１５は、寝台部２が水平状態の折畳みベッド１の床面Ｆに対する移動を妨げることができる。   The leg portion 4 of the present embodiment includes a plurality of wheel members 14 that support the bed frame frame 3 so as to be horizontally movable with respect to the floor surface F, and a plurality of non-moving members that prevent the bed frame frame 3 from moving with respect to the floor surface F. And a wheel member 15. Such a wheel member 14 is useful for smoothly deforming the bed 2 between the horizontal state and the folded state. In addition, the non-wheel member 15 can prevent the bed 2 from moving with respect to the floor F of the folding bed 1 in a horizontal state.

図３に示されるように、本実施形態の車輪部材１４は、水平状態の寝台部２の四隅に配置される４つの主車輪１４Ａと、主車輪１４Ａよりもベッド内側に配置される２つの補助車輪１４Ｂとを含んでいる。このような車輪部材１４は、折畳みベッド１の重みを分散して床面Ｆに伝えるため、床面Ｆが軟質な材料で形成されていたとしても、折り畳み状態の折畳みベッド１をスムーズに移動させることができる。   As shown in FIG. 3, the wheel member 14 of the present embodiment includes four main wheels 14 </ b> A disposed at four corners of the bed 2 in a horizontal state, and two auxiliary wheels disposed inside the bed with respect to the main wheels 14 </ b> A. And wheels 14B. Such a wheel member 14 distributes the weight of the folding bed 1 to the floor surface F in a distributed manner, so that even if the floor surface F is formed of a soft material, the folding bed 1 in the folded state is smoothly moved. be able to.

図４は、下半身側Ｓ２から視た折畳みベッド１の正面図である。図２及び図４に示されるように、本実施形態の各補助車輪１４Ｂは、ベッド幅方向において、互いに異なる位置に配置されている。このため、補助車輪１４Ｂは、寝台部２が折り畳み状態のときであっても、互いに接触することなく、折畳みベッド１をコンパクトに折り畳むことができる。   FIG. 4 is a front view of the folding bed 1 as viewed from the lower body side S2. As shown in FIGS. 2 and 4, the auxiliary wheels 14B of the present embodiment are arranged at different positions in the bed width direction. Therefore, even when the bed 2 is in the folded state, the auxiliary wheels 14B can fold the folding bed 1 compactly without contacting each other.

図３に示されるように、各車輪部材１４は、それぞれ、キャスター１６を含んでいるのが望ましい。このような車輪部材１４は、折り畳み状態の折畳みベッド１の移動方向を、スムーズに変更し得る。   As shown in FIG. 3, each of the wheel members 14 preferably includes a caster 16. Such a wheel member 14 can smoothly change the moving direction of the folding bed 1 in the folded state.

図５は、図１のＡ部の拡大図である。図１、図２及び図５に示されるように、本実施形態の車輪部材１４は、寝台部２が水平状態のときに離地し、寝台部２が折り畳み状態のときに接地している。このため、折畳みベッド１は、寝台部２が水平状態で配置されたとき、車輪部材１４により、床面Ｆに対して水平移動するおそれがない。このような折畳みベッド１は、寝台部２が水平状態で配置された床面Ｆに対して移動し難く、使用者が安心して使用することができる。   FIG. 5 is an enlarged view of a portion A in FIG. As shown in FIGS. 1, 2, and 5, the wheel member 14 of the present embodiment takes off when the bed 2 is in a horizontal state, and is grounded when the bed 2 is in a folded state. For this reason, the folding bed 1 does not have a possibility of being horizontally moved with respect to the floor F by the wheel members 14 when the bed portion 2 is arranged in a horizontal state. Such a folding bed 1 is hard to move with respect to the floor surface F on which the bed 2 is arranged in a horizontal state, so that the user can use it with ease.

一方、本実施形態の非車輪部材１５は、寝台部２が水平状態のときに接地し、寝台部２が折り畳み状態のときに離地している。車輪部材１４と非車輪部材１５との離地及び接地の変更は、折畳みベッド１の寝台部２を水平状態と折り畳み状態との間で変更するのみで行うことができる。このため、本実施形態の折畳みベッド１は、床面Ｆに対して寝台部２を水平状態で配置する際の作業性を向上させ得る。   On the other hand, the non-wheel member 15 of the present embodiment is in contact with the ground when the bed 2 is in the horizontal state, and is off when the bed 2 is in the folded state. Changing the take-off and ground contact between the wheel member 14 and the non-wheel member 15 can be performed only by changing the bed 2 of the folding bed 1 between the horizontal state and the folded state. For this reason, the foldable bed 1 of the present embodiment can improve workability when the bed 2 is arranged in a horizontal state with respect to the floor F.

図５に示されるように、寝台部２が水平状態のときの車輪部材１４の離地隙間ｄは、１mm以上であるのが好ましい。離地隙間ｄが１mmよりも小さいと、使用者の重みで折畳みベッド１がたわみ、寝台部２が水平状態のときに、車輪部材１４が床面に接触するおそれがある。一方、離地隙間ｄは、３mm以下であるのが好ましい。離地隙間ｄが３mmよりも大きいと、寝台部２を、水平状態と折り畳み状態との間で変形させるときの変形途中段階で、非車輪部材１５が床面Ｆと接触するおそれがある。   As shown in FIG. 5, the take-off gap d of the wheel member 14 when the bed 2 is in a horizontal state is preferably 1 mm or more. If the takeoff gap d is smaller than 1 mm, the folding bed 1 may be bent by the weight of the user, and the wheel member 14 may come into contact with the floor surface when the bed 2 is in the horizontal state. On the other hand, the takeoff gap d is preferably 3 mm or less. If the take-off gap d is larger than 3 mm, the non-wheel member 15 may come into contact with the floor surface F during the deformation of the bed 2 between the horizontal state and the folded state.

図３に示されるように、本実施形態の脚部４は、下半身側フレーム枠９を回動自在に支持する下半身側脚フレーム１７と、上半身側フレーム枠１０を回動自在に支持する上半身側脚フレーム１８とを含んでいる。脚部４は、さらに、下半身側脚フレーム１７及び上半身側脚フレーム１８と連結脚部１１Ａとを連結する複数の脚部リンク１９を含んでいるのが望ましい。   As shown in FIG. 3, the leg 4 of the present embodiment includes a lower body side leg frame 17 that rotatably supports the lower body side frame 9 and an upper body side that rotatably supports the upper body side frame 10. And a leg frame 18. The leg 4 preferably further includes a plurality of leg links 19 connecting the lower leg frame 17 and the upper leg frame 18 to the connecting leg 11A.

ここで、下半身側フレーム枠９、下半身側脚フレーム１７、脚部リンク１９及び連結脚部１１Ａは、平行リンクを構成している。また、上半身側フレーム枠１０、上半身側脚フレーム１８、脚部リンク１９及び連結脚部１１Ａは、平行リンクを構成している。   Here, the lower body side frame 9, the lower body side leg frame 17, the leg link 19, and the connecting leg 11 </ b> A form a parallel link. The upper body side frame 10, the upper body side leg frame 18, the leg link 19, and the connecting leg 11A form a parallel link.

車輪部材１４は、下半身側脚フレーム１７及び上半身側脚フレーム１８に、移動不能に固着されるのが望ましい。一方、非車輪部材１５は、脚部リンク１９に、移動不能に固着されるのが望ましい。このため、脚部４は、例えば、寝台部２を水平状態から折り畳み状態に変形させることで、床面Ｆに接地する部材を非車輪部材１５から車輪部材１４に変更することができる。また、脚部４は、例えば、寝台部２を折り畳み状態から水平状態に変形させることで、床面Ｆに接地する部材を車輪部材１４から非車輪部材１５に変更することができる。   It is desirable that the wheel member 14 be immovably fixed to the lower body side leg frame 17 and the upper body side leg frame 18. On the other hand, it is desirable that the non-wheel member 15 be immovably fixed to the leg link 19. For this reason, the leg part 4 can change the member grounded to the floor F from the non-wheel member 15 to the wheel member 14 by deforming the bed 2 from the horizontal state to the folded state, for example. In addition, the leg 4 can change the member that contacts the floor F from the wheel member 14 to the non-wheel member 15 by deforming the bed 2 from the folded state to the horizontal state, for example.

以上、本発明の特に好ましい実施形態について詳述したが、本発明は、上記実施形態に限定されることなく、種々の態様に変形して実施し得る。   As described above, particularly preferred embodiments of the present invention have been described in detail. However, the present invention is not limited to the above-described embodiments, and can be implemented in various forms.

１ 折畳みベッド
２ 寝台部
３ ベッドフレーム枠
４ 脚部
１４ 車輪部材
１５ 非車輪部材 DESCRIPTION OF SYMBOLS 1 Folding bed 2 Bed part 3 Bed frame 4 Leg 14 Wheel member 15 Non-wheel member

Claims (7)

使用者が載せられる寝台部と、前記寝台部が載置されるベッドフレーム枠と、前記ベッドフレーム枠を支持する脚部とを備えた折畳みベッドであって、
前記寝台部は、ベッド側面視において、略水平となる水平状態と、逆Ｖ字状に折り曲げられた折り畳み状態とに変形可能であり、
前記脚部は、床面に対して前記ベッドフレーム枠を水平移動自在に支持する車輪部材と、前記床面に対して前記ベッドフレーム枠の移動を妨げる非車輪部材とを含み、
前記車輪部材は、前記寝台部が水平状態のときに離地し、前記寝台部が折り畳み状態のときに接地し、
前記寝台部は、使用者の下半身側が載せられる下半身側寝台部と使用者の上半身側が載せられる上半身側寝台部とを含み、
前記ベッドフレーム枠は、前記下半身側寝台部が載置される下半身側フレーム枠と、前記上半身側寝台部が載置される上半身側フレーム枠と、前記下半身側フレーム枠と前記上半身側フレーム枠とを連結する連結フレームとを含み、
前記連結フレームは、前記寝台部が水平状態のときに接地する連結脚部を含み、
前記脚部は、前記下半身側フレーム枠を回動自在に支持する下半身側脚フレーム、前記上半身側フレーム枠を回動自在に支持する上半身側脚フレーム、並びに、前記下半身側脚フレーム及び前記上半身側脚フレームと前記連結脚部とを連結する脚部リンクを含み、
前記車輪部材は、水平状態の前記寝台部の四隅に配置される４つの主車輪と、前記主車輪よりもベッド内側に配置される２つの補助車輪とを含み、
前記非車輪部材は、前記寝台部が水平状態のときに、ベッド幅方向側面視において、前記補助車輪と重複する位置に固着されることを特徴とする折畳みベッド。 A bed on which a user is placed, a bed frame on which the bed is placed, and a folding bed including legs supporting the bed frame,
The bed portion can be deformed into a horizontal state that is substantially horizontal and a folded state that is bent in an inverted V-shape in a bed side view,
The leg portion includes a wheel member that horizontally movably supports the bed frame frame with respect to the floor surface, and a non-wheel member that hinders movement of the bed frame frame with respect to the floor surface.
The wheel member takes off when the bed portion is in a horizontal state, and is grounded when the bed portion is in a folded state,
The couch portion includes a lower body side couch portion on which the lower body side of the user is mounted and an upper body side couch portion on which the upper body side of the user is mounted.
The bed frame frame, a lower body side frame frame on which the lower body side bed portion is placed, an upper body side frame frame on which the upper body side bed portion is placed, the lower body side frame frame, and the upper body side frame frame. And a connection frame for connecting
The connection frame includes a connection leg that contacts the ground when the bed is in a horizontal state,
The leg portion includes a lower body side leg frame rotatably supporting the lower body side frame frame, an upper body side leg frame rotatably supporting the upper body side frame frame, and the lower body side leg frame and the upper body side. A leg link for connecting the leg frame and the connection leg,
The wheel member includes four main wheels disposed at four corners of the bed portion in a horizontal state, and two auxiliary wheels disposed inside the bed than the main wheels,
The folding bed, wherein the non-wheel member is fixed to a position overlapping with the auxiliary wheel in a bed width direction side view when the bed portion is in a horizontal state. 前記非車輪部材は、前記寝台部が水平状態のときに接地し、前記寝台部が折り畳み状態のときに離地する請求項１に記載の折畳みベッド。   2. The folding bed according to claim 1, wherein the non-wheel member comes into contact with the ground when the bed is in a horizontal state, and takes off when the bed is in a folded state. 3. 前記非車輪部材は、前記脚部リンクの前記主車輪側の一部分に固着される請求項１又は２に記載の折畳みベッド。 The folding bed according to claim 1 , wherein the non-wheel member is fixed to a part of the leg link on the main wheel side . 前記各補助車輪は、ベッド幅方向において、互いに異なる位置に配置される請求項１乃至３のいずれかに記載の折畳みベッド。 Wherein each auxiliary wheel, in bed width direction, folding according to any of claims 1 to 3 are located at different positions from each other beds. 前記車輪部材は、前記下半身側脚フレーム及び前記上半身側脚フレームに固着される請求項１乃至４のいずれかに記載の折畳みベッド。 It said wheel member, folding bed according to any one of the lower body side leg frame and the upper body side according to claim Ru is secured to the leg frames 1 through 4. 前記寝台部が水平状態のときの前記車輪部材の離地隙間は、１mm以上である請求項１乃至５のいずれかに記載の折畳みベッド。 The folding bed according to any one of claims 1 to 5 , wherein a take-off gap of the wheel member when the bed portion is in a horizontal state is 1 mm or more. 前記車輪部材は、キャスターを含む請求項１乃至６のいずれかに記載の折畳みベッド。 The folding bed according to any one of claims 1 to 6 , wherein the wheel member includes a caster.
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