JP2019001610A

JP2019001610A - Garbage protective case

Info

Publication number: JP2019001610A
Application number: JP2017117841A
Authority: JP
Inventors: 山下　真一; Shinichi Yamashita; 真一山下; 架奈子山下; Kanako Yamashita
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-15
Filing date: 2017-06-15
Publication date: 2019-01-10
Anticipated expiration: 2037-06-15
Also published as: JP6387152B1

Abstract

To provide a garbage protective case which can surely protect garbage from a wildlife such as a crow and a cat, and can be easily moved and cleaned-up in a non-use state.SOLUTION: A garbage protective case includes a case upper half body 1 having a lower opened shape and a case lower half body 2 having an upper opened shape, where a lower end edge of a rear wall surface of the case upper half body 1 and an upper end edge of a rear wall surface of the case lower half body 2 are pivotably connected to each other by a hinge part 3, the case upper half body 1 is swung backward with respect to the case lower half body 2 and freely opened, and each of the case upper half body 1 and the case lower half body 2 is freely folded into a flat rectangular shape.SELECTED DRAWING: Figure 3

Description

本発明は、ゴミ保護ケースに関する。 The present invention relates to a dust protection case.

従来、カラスやネコ等の鳥獣からゴミを保護するためのゴミ保護ネットが公知である（例えば、特許文献１参照）。 Conventionally, a dust protection net for protecting garbage from birds and beasts such as crows and cats is known (see, for example, Patent Document 1).

登録実用新案第３２１０４４９号公報Registered Utility Model No. 3210449

しかし、ゴミ保護ネットは、カラスやネコ等の鳥獣がクチバシや脚等でめくる場合や、強風でめくれる場合があり、ゴミが荒らされるという問題があった。また、ネットは、ゴミに被せて使用するため、ネットとゴミが密着しており、ネットの網目からクチバシや脚がネット内のゴミに届きやすく、ネット内でゴミが荒らされるという問題もあった。
また、金属製の大きな常設のゴミ集積ボックスは、鳥獣にゴミが荒らされることはほとんど無いが、設置した空間が常に占領され、通行の妨げになるといった問題や、周囲の美観を損ねるといった問題があった。 However, the trash protection net has a problem in that trash such as crows and cats may turn over with beaks, legs, etc., or may turn over with strong winds. In addition, because the net is used over dust, the net and the dust are in close contact with each other, and there is a problem that the bee and legs easily reach the garbage in the net from the net of the net, and the garbage is damaged in the net. .
In addition, large permanent metal garbage collection boxes are rarely damaged by birds and beasts, but there are problems such as the occupied space is always occupied, obstructing traffic, and the surrounding aesthetics are impaired. there were.

そこで、本発明は、カラスやネコ等の鳥獣からゴミを確実に保護することが可能で、しかも、非使用状態では、容易に移動させて片付けることが可能なゴミ保護ケースの提供を目的とする。 Therefore, the present invention has an object to provide a dust protection case that can reliably protect garbage from birds and beasts such as crows and cats, and can be easily moved and cleaned up when not in use. .

本発明のゴミ保護ケースは、下方開口状のケース上半体と、上方開口状のケース下半体と、を備え、上記ケース上半体の後壁面の下端縁と、上記ケース下半体の後壁面の上端縁とは、ヒンジ部によって枢結され、上記ケース上半体は上記ケース下半体に対して後方へ揺動して開放自在とされ、さらに、上記ケース上半体及び上記ケース下半体は、各々、扁平直方体形状に折畳み自在に構成されているものである。 A dust protection case according to the present invention includes a lower opening case upper half and an upper opening case lower half, a lower end edge of a rear wall surface of the case upper half, and the case lower half of the case lower half. The upper end edge of the rear wall is pivotally connected by a hinge portion, and the case upper half swings backward with respect to the case lower half so that it can be freely opened. Further, the case upper half and the case Each of the lower half bodies is configured to be foldable into a flat rectangular parallelepiped shape.

また、上記ケース上半体は、天井壁部材と、左右側壁部材と、前壁部材と、後壁部材と、下方開口縁部を形成する矩形状の下枠部材と、を有し、上記左右側壁部材は、左右内方へ揺動自在に、上記下枠部材に枢着され、上記前壁部材は、後内方へくの字状に折曲げ自在であり、かつ、上記後壁部材は、前内方へくの字状に折曲げ自在とされ、上記ケース下半体は、底壁部材と、左右側壁部材と、前壁部材と、後壁部材と、上方開口縁部を形成する矩形状の上枠部材と、を有し、上記ケース下半体の左右側壁部材は、左右内方へ揺動自在に、上記上枠部材に枢着され、上記ケース下半体の前壁部材は、後内方へくの字状に折曲げ自在であり、かつ、上記ケース下半体の後壁部材は、前内方へくの字状に折曲げ自在とされているものである。
また、上記ヒンジ部に、上記ケース上半体を前方へ閉じる方向へ常時弾発付勢するバネ部材を設けたものである。 The upper half of the case includes a ceiling wall member, left and right side wall members, a front wall member, a rear wall member, and a rectangular lower frame member forming a lower opening edge, The side wall member is pivotally attached to the lower frame member so as to be swingable in the right and left directions, the front wall member is foldable in a rear inward shape, and the rear wall member is The lower half of the case forms a bottom wall member, left and right side wall members, a front wall member, a rear wall member, and an upper opening edge. A rectangular upper frame member, and the left and right side wall members of the case lower half are pivotally attached to the upper frame member so as to be swingable in the left and right directions, and the front wall member of the case lower half Is foldable in the shape of a rearward inward, and the rear wall member of the lower half of the case is foldable in the shape of a forwardly inwardly-circular shape.
Further, the hinge portion is provided with a spring member that constantly urges and urges the case upper half in the direction of closing forward.

本発明によれば、ゴミ保護ネットのように強風や鳥獣によってゴミが露出することが無く、確実にゴミを保護できる。しかも、非使用状態では、扁平直方体形状に折畳むことで、コンパクトにでき（ゴミを収容している使用状態に比べて薄くでき）、狭い隙間等のスペースに立て掛けたり、差し込んだりして、収納することができる。つまり、ゴミ保護ケースを常設するための設置空間が不要である。設置空間を常時占領しないため、通行を妨げず、周囲の美観も損ねない。 According to the present invention, dust is not exposed by strong winds or birds and beasts unlike a dust protection net, and dust can be reliably protected. Moreover, when not in use, it can be made compact by folding it into a flat rectangular parallelepiped shape (it can be made thinner than in use when it contains dust), and it can be stowed or inserted into a space such as a narrow gap. can do. That is, there is no need for an installation space for permanently installing a dust protection case. Because it does not occupy the installation space at all times, it does not hinder traffic and does not impair the beauty of the surroundings.

本発明の実施の一形態を前上方から見た斜視図である。It is the perspective view which looked at one embodiment of the present invention from the front upper part. 後上方から見た斜視図である。It is the perspective view seen from back upper. 開放状態を示す簡略斜視図である。It is a simplified perspective view which shows an open state. 使用状態を示す簡略斜視図である。It is a simplified perspective view which shows a use condition. ケース上半体の左右側壁部材の揺動途中状態を示す図であって、（ａ）は簡略斜視図であり、（ｂ）は簡略正面図である。It is a figure which shows the state in the middle of rocking | fluctuation of the right-and-left side wall member of a case upper half, Comprising: (a) is a simplified perspective view, (b) is a simplified front view. ケース上半体の折畳み途中状態を示す図であって、（ａ）は簡略斜視図であり、（ｂ）は簡略側面図である。It is a figure which shows the state in the middle of folding of a case upper half, Comprising: (a) is a simplified perspective view, (b) is a simplified side view. ケース上半体を折畳んだ短縮状態を示す簡略斜視図である。It is a simplified perspective view which shows the shortened state which folded the case upper half. 短縮状態で開放した場合を示す簡略斜視図である。It is a simple perspective view which shows the case where it open | releases in a shortened state. ケース下半体の左右側壁部材の揺動途中状態を示す図であって、（ａ）は簡略斜視図であり、（ｂ）は簡略正面図である。It is a figure which shows the state in the middle of rocking | fluctuation of the right-and-left side wall member of a case lower half, Comprising: (a) is a simplified perspective view, (b) is a simplified front view. ケース下半体の折畳み途中状態を示す図であって、（ａ）は簡略斜視図であり、（ｂ）は簡略側面図である。It is a figure which shows the state in the middle of folding of a case lower half, Comprising: (a) is a simplified perspective view, (b) is a simplified side view. ケース折畳み完了状態を示す簡略斜視図である。It is a simplified perspective view which shows a case folding completion state.

以下、図示の実施形態に基づき本発明を詳説する。
本発明に係るゴミ保護ケースは、図１及び図２に示すように、全体が直方体形状であって、内部に収容空間を有し（中空であり）、下方開口状箱型の樹脂製のケース上半体１と、上方開口状箱型の樹脂製のケース下半体２と、を備えている。 Hereinafter, the present invention will be described in detail based on illustrated embodiments.
As shown in FIGS. 1 and 2, the dust protection case according to the present invention has a rectangular parallelepiped shape as a whole, has a housing space inside (is hollow), and is a box-shaped resin case having a downward opening shape. An upper half 1 and an upper opening box-shaped resin case lower half 2 are provided.

図２に示すように、ケース上半体１の後壁面の下端縁１ｂと、ケース下半体２の後壁面の上端縁２ａとは、ヒンジ部３によって、枢結され、ケース上半体１は、ケース下半体２に対して、左右水平状の枢結軸心廻りに開閉揺動自在である。 As shown in FIG. 2, the lower end edge 1 b of the rear wall surface of the case upper half 1 and the upper end edge 2 a of the rear wall surface of the case lower half 2 are pivotally connected by a hinge portion 3. Is openable and swayable with respect to the lower half 2 of the case around a horizontal pivot axis.

ヒンジ部３は、例えば、金属製の蝶番型のヒンジ部材30で構成され、一方の取付板がケース上半体１に固着され、他方の取付板がケース下半体２に固着されている。そして、一方の取付板と他方の取付板とを枢結する枢結軸廻りに、ねじりコイルバネから成るバネ部材35を巻き付け状に配設して、ケース上半体１を前方へ閉じる方向へ常時弾発付勢させている。 The hinge portion 3 is formed of, for example, a metal hinge-type hinge member 30, and one mounting plate is fixed to the case upper half 1 and the other mounting plate is fixed to the case lower half 2. Then, a spring member 35 made of a torsion coil spring is disposed around the pivot shaft that pivots the one mounting plate and the other mounting plate so that the case upper half 1 is always closed in the forward direction. The bullet is energized.

図３に示すように、ケース上半体１は、ケース下半体２に対して、左右水平状の枢結軸心廻りに、後方へ揺動して、開放自在である。この開放状態で、保護すべきゴミ（ゴミ袋）Ｇをケース下半体２の内部空間に収容可能となる。 As shown in FIG. 3, the case upper half 1 can be freely opened by swinging backward with respect to the case lower half 2 around the horizontal pivot axis. In this open state, the garbage (trash bag) G to be protected can be accommodated in the internal space of the case lower half 2.

開放状態から、ケース上半体１を前方へ閉じる方向へ揺動させる際に、ヒンジ部３に設けたバネ部材35の弾発付勢力が閉じる方向へ揺動させる閉操作補助力となって、軽い力で容易にケース上半体１を閉じることができる。
ケース上半体１の開口縁部とケース下半体２の開口縁部とが対面状に当接して配設され、閉揺動が終了する。
図４に示すように、ケース上半体１及びケース下半体２で包囲される内部空間にゴミ（ゴミ袋）Ｇを収容して保護する使用状態（ゴミ収容状態）となり、カラスやネコ等の鳥獣からゴミを保護する（ゴミが荒らされるのを防止する）。 When the case upper half 1 is swung forward from the open state, the spring biasing force of the spring member 35 provided on the hinge 3 becomes a closing operation assisting force that swings in the closing direction. The case upper half 1 can be easily closed with a light force.
The opening edge of the case upper half 1 and the opening edge of the case lower half 2 are disposed in contact with each other, and the closed swing is finished.
As shown in FIG. 4, the inside space surrounded by the case upper half 1 and the case lower half 2 accommodates and protects garbage (trash bag) G (trash containing state), such as crows and cats. Protect your trash from the birds and beasts (prevent trash from being devastated).

ゴミ収容状態（閉状態）で、鳥獣や強風でケース上半体１が後方へ押されても、バネ部材35の弾発付勢力が、開揺動を阻止する抵抗力となる。言い換えると、バネ部材35の弾発付勢力を、ケース上半体１を開揺動させようとする鳥獣や強風の力よりも大きく設定し、ケース上半体１を開揺動させようとする人（使用者）の力よりも小さく設定している。 Even if the case upper half 1 is pushed rearward by a bird or beast or strong wind in the dust storage state (closed state), the elastic urging force of the spring member 35 becomes a resistance force that prevents the open swing. In other words, the spring urging force of the spring member 35 is set to be larger than the force of the birds and beasts that try to swing the case upper half 1 or the strong wind, and tries to swing the case upper half 1 open. It is set smaller than the power of people (users).

さらに、図５乃至図７に示すように、ケース上半体１は、扁平直方体形状に折畳み自在に構成している。
ケース上半体１は、樹脂製の平面視矩形状の天井壁部材11と、樹脂製の矩形板状の左右側壁部材12，12と、樹脂製の矩形板状の前壁部材13と、樹脂製の矩形板状の後壁部材14と、下方開口縁部を形成する矩形状の樹脂製の下枠部材15と、を有している。天井壁部材11は、下方開口状（断面コの字状）の浅皿型である。 Further, as shown in FIGS. 5 to 7, the case upper half 1 is configured to be foldable into a flat rectangular parallelepiped shape.
The case upper half 1 includes a resin-made rectangular rectangular ceiling wall member 11, resin-made rectangular plate-like left and right side wall members 12, 12, a resin-made rectangular plate-like front wall member 13, and a resin It has a rectangular plate-shaped rear wall member 14 made of a rectangle and a resin-shaped lower frame member 15 that forms a lower opening edge. The ceiling wall member 11 is a shallow dish type having a downward opening (a U-shaped cross section).

図５に示すように、左右側壁部材12，12は、下端縁部が下枠部材15の左右側部に枢着され、上端縁部が左右内方へ傾倒するように前後水平状枢着軸心廻りに揺動自在に設けている。
さらに、左右側壁部材12，12は、左右内方へ揺動（傾倒）させると、下枠部材15の枠内方位置で、水平面状の収納姿勢に保持（下枠部材15に係止）される。 As shown in FIG. 5, the left and right side wall members 12, 12 are pivotally attached to the front and rear horizontal pivoting shafts so that the lower edge is pivotally attached to the left and right sides of the lower frame member 15 and the upper edge is tilted inwardly to the left and right. It is provided so that it can swing around the center.
Further, when the left and right side wall members 12 and 12 are swung (tilted) inwardly to the left and right, the left and right side wall members 12 and 12 are held in a horizontal plane storage position (locked to the lower frame member 15) at the frame inward position of the lower frame member 15. The

図６に示すように、前壁部材13及び後壁部材14は、前後内方へくの字状に折曲げ自在である。
前壁部材13は、上端縁部が天井壁部材11の前縁部に枢着され、下端縁部が下枠部材15の前縁部に枢着され、上下中間部に折曲げ用ヒンジ部50を有している。
前壁部材13は、左右側壁部材12，12が収納姿勢の場合に、上下中間部が、後方へくの字状に折曲げ可能となる。
後壁部材14は、上端縁部が天井壁部材11の後縁部に枢着され、下端縁部が下枠部材15の後縁部に枢着され、上下中間部に折曲げ用ヒンジ部60を有している。
後壁部材14は、左右側壁部材12，12が収納姿勢の場合に、上下中間部が前方へくの字状に折り曲げ可能となる。 As shown in FIG. 6, the front wall member 13 and the rear wall member 14 can be bent in a front-rear / inward-shaped shape.
The front wall member 13 has an upper end edge portion pivotally attached to the front edge portion of the ceiling wall member 11, a lower end edge portion pivotally attached to the front edge portion of the lower frame member 15, and a folding hinge portion 50 at the upper and lower intermediate portions. have.
When the left and right side wall members 12 and 12 are in the stowed posture, the front wall member 13 can be bent at the upper and lower intermediate portions in a backward U-shape.
The rear wall member 14 has an upper end edge pivoted to the rear edge of the ceiling wall member 11, a lower end edge pivoted to the rear edge of the lower frame member 15, and a folding hinge portion 60 at the upper and lower intermediate portions. have.
When the left and right side wall members 12 and 12 are in the stowed posture, the rear wall member 14 can be bent at the upper and lower intermediate portions in a forward U-shape.

前壁部材13及び後壁部材14を、折曲げ角度（内角）が０度に近づくように折畳むと、天井壁部材11が下枠部材15に接近する。そして、前壁部材13及び後壁部材14は、横断面Ｖ字状乃至積層状の折畳み収納姿勢で、下枠部材15と天井壁部材11とで形成される内部空間に配設されて収納される。 When the front wall member 13 and the rear wall member 14 are folded so that the bending angle (inner angle) approaches 0 degrees, the ceiling wall member 11 approaches the lower frame member 15. The front wall member 13 and the rear wall member 14 are arranged and stored in an internal space formed by the lower frame member 15 and the ceiling wall member 11 in a folded storage posture having a V-shaped cross section or a stacked shape. The

図７に示すように、天井壁部材11が下枠部材15に施蓋状に配設され、ケース上半体１は、扁平直方体形状の折畳み状態となる。
ケース上半体１の折畳み状態の上下寸法（厚さ寸法）は、天井壁部材11の上下寸法（厚さ寸法）と、下枠部材15の上下寸法（厚さ寸法）と、の和となる。
折畳み状態のケース上半体１の上下寸法（厚さ寸法）は、折畳み前の下方開口箱形状のときの上下寸法を１００％とすると、１０％〜２５％となるように設定している。
なお、ケース上半体１が折畳み状態、かつ、ケース下半体２が上方開口箱形状の状態を、短縮状態と呼ぶ。 As shown in FIG. 7, the ceiling wall member 11 is disposed on the lower frame member 15 in a cover shape, and the case upper half 1 is in a folded state of a flat rectangular parallelepiped shape.
The vertical dimension (thickness dimension) of the case upper half 1 in the folded state is the sum of the vertical dimension (thickness dimension) of the ceiling wall member 11 and the vertical dimension (thickness dimension) of the lower frame member 15. .
The vertical dimension (thickness dimension) of the case upper half 1 in the folded state is set to be 10% to 25% when the vertical dimension in the shape of the lower opening box before folding is 100%.
The state in which the case upper half 1 is folded and the case lower half 2 is in the shape of an upper opening box is referred to as a shortened state.

図８に示すように、折畳み状態のケース上半体１は、（下方開口箱形状の場合と同様に）開閉揺動可能である。つまり、短縮状態は、小さなゴミ（ゴミ袋）Ｇを収容する場合に最適である。 As shown in FIG. 8, the folded case upper half 1 can be opened and closed and swingable (similar to the case of a downward opening box shape). That is, the shortened state is optimal when accommodating small garbage (trash bag) G.

図９乃至図11に示すように、ケース下半体２は、扁平直方体形状に折畳み自在に構成している。
ケース下半体２は、樹脂製の平面視矩形状の底壁部材21と、樹脂製の矩形板状の左右側壁部材22，22と、樹脂製の矩形板状の前壁部材23と、樹脂製の矩形板状の後壁部材24と、上方開口縁部を形成する矩形状の樹脂製の上枠部材25と、を有している。底壁部材21は上方開口状（横断面コの字状）の浅皿型である。
なお、ケース上半体１の左右側壁部材12，12を、第１の左右側壁部材12，12と呼び、ケース下半体２の左右側壁部材22，22を、第２の左右側壁部材22，22と呼ぶ場合がある。 As shown in FIGS. 9 to 11, the case lower half 2 is configured to be foldable into a flat rectangular parallelepiped shape.
The case lower half 2 includes a resin-made rectangular bottom wall member 21 in a plan view, resin-made rectangular plate-like left and right side wall members 22, 22, a resin-made rectangular plate-like front wall member 23, and a resin It has a rectangular plate-shaped rear wall member 24 and a rectangular resin upper frame member 25 forming an upper opening edge. The bottom wall member 21 is a shallow dish type having an upper opening shape (a U-shaped cross section).
The left and right side wall members 12 and 12 of the case upper half 1 are called first left and right side wall members 12 and 12, and the left and right side wall members 22 and 22 of the case lower half 2 are called the second left and right side wall members 22 and 22, respectively. Sometimes called 22.

図９に示すように、第２の左右側壁部材22，22は、上端縁部が上枠部材25の左右側部に枢着され、下端縁部が左右内方かつ上昇するように前後水平状枢着軸心廻りに揺動自在に設けている。
さらに、第２の左右側壁部材12，12は、左右内方へ上昇揺動させると、上枠部材25の枠内方位置で、水平面状の収納姿勢に保持（上枠部材25に係止）される。 As shown in FIG. 9, the second left and right side wall members 22, 22 have a front and rear horizontal shape so that the upper edge is pivotally attached to the left and right sides of the upper frame member 25, and the lower edge is raised inward and left and right. It is provided so as to be swingable around the pivot axis.
Further, when the second left and right side wall members 12 and 12 are lifted and swung inward in the left and right direction, the second left and right side wall members 12 and 12 are held in the horizontal plane storage posture at the frame inward position of the upper frame member 25 Is done.

図10に示すように、ケース下半体２の前壁部材23及び後壁部材24は、前後内方へくの字状に折曲げ自在である。
なお、ケース上半体１の前・後壁部材13，14を、第１の前・後壁部材13，14と呼び、ケース下半体２の前・後壁部材23，24を、第２の前・後壁部材23，24と呼ぶ場合がある。 As shown in FIG. 10, the front wall member 23 and the rear wall member 24 of the case lower half 2 are foldable in a front-rear / inward-shaped shape.
The front and rear wall members 13 and 14 of the case upper half 1 are called first front and rear wall members 13 and 14, and the front and rear wall members 23 and 24 of the case lower half 2 are second. The front and rear wall members 23 and 24 may be called.

第２の前壁部材23は、上端縁部が上枠部材25の前縁部に枢着され、下端縁部が底壁部材21の前縁部に枢着され、上下中間部に折曲げ用ヒンジ部70を有している。
第２の前壁部材13は、左右側壁部材12，12が収納姿勢の場合に、上下中間部が、後方へくの字状に折曲げ可能となる。
第２の後壁部材24は、上端縁部が上枠部材25の後縁部に枢着され、下端縁部が底壁部材21の後縁部に枢着され、上下中間部に折曲げ用ヒンジ部80を有している。
第２の後壁部材24は、左右側壁部材12，12が収納姿勢の場合に、上下中間部が前方へくの字状に折り曲げ可能となる。 The second front wall member 23 is pivotally attached to the front edge portion of the upper frame member 25 at the upper end edge, and is pivotally attached to the front edge portion of the bottom wall member 21 for bending at the upper and lower intermediate portions. A hinge part 70 is provided.
When the left and right side wall members 12 and 12 are in the stowed posture, the second front wall member 13 can be bent at the upper and lower intermediate portions in a backward U shape.
The second rear wall member 24 is pivotally attached at the upper edge to the rear edge of the upper frame member 25, and the lower edge is pivotally attached to the rear edge of the bottom wall member 21. A hinge portion 80 is provided.
When the left and right side wall members 12, 12 are in the stowed posture, the second rear wall member 24 can be bent at the upper and lower intermediate portions in a forward U-shape.

第２の前壁部材23及び第２の後壁部材14を、折曲げ角度（内角）が０度に近づくように折畳むと、上枠部材25が底壁部材21に接近する。そして、第２の前壁部材23及び第２の後壁部材24は、横断面Ｖ字状乃至積層状の折畳み収納姿勢で、上枠部材25と底壁部材21と形成される内部空間に配設されて収納される。 When the second front wall member 23 and the second rear wall member 14 are folded so that the folding angle (inner angle) approaches 0 degrees, the upper frame member 25 approaches the bottom wall member 21. The second front wall member 23 and the second rear wall member 24 are arranged in an internal space formed with the upper frame member 25 and the bottom wall member 21 in a folded storage posture having a V-shaped cross section or a laminated shape. It is installed and stored.

図11に示すように、底壁部材21が上枠部材25に底蓋状に配設され、ケース下半体２は、扁平直方体形状の折畳み状態となる。
ケース下半体２の折畳み状態の上下寸法（厚さ寸法）は、底壁部材21の上下寸法（厚さ寸法）と、上枠部材25の上下寸法（厚さ寸法）と、の和となる。
折畳み状態のケース下半体２の上下寸法（厚さ寸法）は、折畳み前の上方開口箱形状のときの上下寸法を１００％とすると、１０％〜２５％となるように設定している。 As shown in FIG. 11, the bottom wall member 21 is disposed on the upper frame member 25 in the shape of a bottom lid, and the case lower half 2 is in a folded state of a flat rectangular parallelepiped shape.
The vertical dimension (thickness dimension) of the case lower half 2 in the folded state is the sum of the vertical dimension (thickness dimension) of the bottom wall member 21 and the vertical dimension (thickness dimension) of the upper frame member 25. .
The vertical dimension (thickness dimension) of the case lower half 2 in the folded state is set to be 10% to 25% when the vertical dimension when the upper open box shape before folding is 100%.

ケース上半体１及びケース下半体２が折畳み状態である状態を、折畳み完了状態と呼ぶ。この折畳み完了状態の上下寸法は、折畳み前の直方体形状（図５参照）の上下寸法を１００％とすると、１０％〜２５％となるように設定している。
この折畳み完了状態において、全体が扁平長方形状であり、狭い空間に収納するのに最適であり、立て掛け置きも可能である。また、持ち運びも容易となる。 A state in which the case upper half 1 and the case lower half 2 are in the folded state is referred to as a folding completed state. The vertical dimension in the folded state is set to be 10% to 25% when the vertical dimension of the rectangular parallelepiped shape (see FIG. 5) before folding is 100%.
In this folded state, the whole is a flat rectangular shape, which is optimal for storing in a narrow space and can be stood. It is also easy to carry.

ここで、図１及び図２に示すように、第１・第２の前壁部材13，23及び第１・第２の後壁部材14，24は、各々、樹脂製の矩形板状の第１壁部51，61，71，81を上位置に有し、樹脂製の矩形板状の第２壁部52，62，72，82を下位置に有する二枚板構造である。
そして、第１壁部51，61，71，81は、下端縁部に第１折曲げ用連結部を有し、第２壁部52，62，72，82は、上端縁部に第２折曲げ用連結部を有している。第１折曲げ用連結部と第２折曲げ用連結部との相互の嵌合（組立）にて、折曲げ用ヒンジ部50，60，70，80を構成している。 Here, as shown in FIGS. 1 and 2, the first and second front wall members 13 and 23 and the first and second rear wall members 14 and 24 are respectively made of resin-made rectangular plates. This is a two-plate structure having one wall 51, 61, 71, 81 at the upper position and a resin-made rectangular plate-like second wall 52, 62, 72, 82 at the lower position.
The first wall portions 51, 61, 71, 81 have a first folding connecting portion at the lower end edge portion, and the second wall portions 52, 62, 72, 82 are second folded at the upper end edge portion. It has a connecting part for bending. The folding hinge portions 50, 60, 70, and 80 are configured by mutual fitting (assembly) of the first bending connecting portion and the second bending connecting portion.

また、第１の左右側壁部材12，12は、上端縁部が、天井壁部材11の左右側縁部に着脱自在に取着（係止）されると、鉛直面状の起立姿勢が保持されるように構成している。
第２の左右側壁部材22，22は、下端縁部が、底壁部材21の左右側縁部に着脱自在に取着（係止）されると、鉛直面状の起立姿勢が保持されるように構成している。
第１・第２の前壁部材13，23は、その左右側縁部が、起立姿勢の第１・第２の左右側壁部材12，12，22，22の前縁部に着脱自在に取着（係止）されると、鉛直面状の起立姿勢が保持されるように構成している。
第１・第２の後壁部材14，24は、その左右側縁部が、起立姿勢の第１・第２の左右側壁部材12，12，22，22の後縁部に着脱自在に取着（係止）されると、鉛直面状の起立姿勢が保持されるように構成している。 Further, when the first left and right side wall members 12 and 12 are detachably attached (locked) to the left and right side edge portions of the ceiling wall member 11, the first left and right side wall members 12 and 12 are maintained in a vertical surface standing posture. It is constituted so that.
When the second left and right side wall members 22 and 22 are detachably attached (locked) to the left and right side edge portions of the bottom wall member 21, the second left and right side wall members 22 and 22 are held in a vertical plane-like standing posture. It is configured.
The left and right side edges of the first and second front wall members 13 and 23 are detachably attached to the front edge parts of the first and second left and right side wall members 12, 12, 22, and 22 in a standing posture. When (locked), the vertical posture is configured to be maintained.
The left and right side edges of the first and second rear wall members 14, 24 are detachably attached to the rear edge parts of the first and second left and right side wall members 12, 12, 22, 22 in the standing posture. When (locked), the vertical posture is configured to be maintained.

また、第１・第２の前壁部材13，23及び第１・第２の後壁部材14，24は、各々、通気用貫通孔５を多数（10以上の複数）有している。
また、図３乃至図10に於いて図示省略しているが、第１・第２の左右側壁部材12，12，22，22にも、同様に、多数の通気用貫通孔５を設けている。
言い換えると、前壁部材13，23と、後壁部材14，24と、左右側壁部材12，12，22，22と、を格子状又は柵状に構成される。
このように、通気用貫通孔５を設けることで、樹脂で軽量に製造しても、ケース上半体１及びケース下半体２が、強風による滑りや倒れ、吹き飛ばしの虞がなくなる。即ち、風が貫通孔５を通り抜けることで、受ける風圧が低減できる。
なお、天井壁部材11と底壁部材21に貫通孔５を多数設けても良い。貫通孔５は、カラスのクチバシや、ネコの前脚等鳥獣の一部が、内部に収容しているゴミＧに触れることができない大きさに形成する。 Each of the first and second front wall members 13 and 23 and the first and second rear wall members 14 and 24 has a large number of ventilation through holes 5 (a plurality of 10 or more).
Although not shown in FIGS. 3 to 10, the first and second left and right side wall members 12, 12, 22, 22 are similarly provided with a large number of ventilation through holes 5. .
In other words, the front wall members 13, 23, the rear wall members 14, 24, and the left and right side wall members 12, 12, 22, 22 are configured in a lattice shape or a fence shape.
In this way, by providing the ventilation through-hole 5, even when the resin is manufactured lightly, there is no possibility that the case upper half 1 and the case lower half 2 are slipped or fall down due to strong wind or blown away. That is, the wind pressure received by the wind passing through the through hole 5 can be reduced.
A number of through holes 5 may be provided in the ceiling wall member 11 and the bottom wall member 21. The through-hole 5 is formed in such a size that a part of birds and beasts such as a crow's beak and a cat's front leg cannot touch the dust G housed therein.

また、ケース上半体１が下方開口箱形状、かつ、ケース下半体２が上方開口箱形状である直方体形状（図４参照）で、４５Ｌのゴミ袋Ｇが、１つ乃至４つ、収容可能な大きさが好ましい。
言い換えると、ケース上半体１及びケース下半体２は、各々、（折畳み前の）箱形状の状態で、左右寸法が４００ｍｍ以上８００ｍｍ以下、前後寸法を３００ｍｍ以上６００ｍｍ以下、高さ（上下）寸法を２００ｍｍ以上４００ｍｍ以下に設定している。
上限値を超えると、重量が重くなると共に、折畳み完了状態であっても嵩張って持ち運びが困難になる。また、下限値未満であると、一般家庭の３〜４日間分のゴミＧを収容することが困難となる。 In addition, the case upper half 1 has a rectangular parallelepiped shape (see FIG. 4) in which the case upper half 1 has a lower opening box shape and the case lower half 2 has an upper opening box shape, and contains one to four 45L garbage bags G. A possible size is preferred.
In other words, the case upper half 1 and the case lower half 2 are each in a box-like state (before folding), the lateral dimension is 400 mm or more and 800 mm or less, the longitudinal dimension is 300 mm or more and 600 mm or less, and the height (up and down). The dimension is set to 200 mm or more and 400 mm or less.
When the upper limit is exceeded, the weight increases, and even the folded state is bulky and difficult to carry. Moreover, if it is less than the lower limit, it becomes difficult to accommodate garbage G for 3 to 4 days in a general household.

また、ケース上半体１と、ケース下半体２とは、同一部品（同一寸法及び同一形状）としている。つまり、２つの箱型ケース体の一方を上方開口状に配設し（ケース下半体２とし）、他方を上下反転させて、開口部同士を突き合わせるように配設し（他方をケース上半体１として）、ヒンジ部材30で枢結している。このようにすることで、部品点数を削減でき、製造が容易となる。また、同一部品とすることで、図１と図２と図４に示すように、ケース上半体１及びケース下半体２の両方を箱型として使用する場合の収容可能量（容積）に比べて、図７と図８に示すような短縮状態で使用することが可能となって、そのときの収容可能量（容積）が、約半分となり、使い勝手が良い。 The case upper half 1 and the case lower half 2 are the same parts (same dimensions and same shape). In other words, one of the two box-shaped case bodies is arranged in an upper opening shape (referred to as case lower half 2), the other is turned upside down, and arranged so that the openings meet each other (the other on the case As a half 1), it is pivotally connected by a hinge member 30. By doing in this way, a number of parts can be reduced and manufacture becomes easy. In addition, by using the same parts, as shown in FIGS. 1, 2 and 4, the capacity (volume) can be accommodated when both the case upper half 1 and the case lower half 2 are used as a box shape. In comparison, it can be used in a shortened state as shown in FIG. 7 and FIG. 8, and the accommodable amount (volume) at that time is approximately half, which is convenient.

なお、本発明は、設計変更可能であって、下枠部材15と上枠部材25を省略するも良い。第１の左右側壁部材12，12を天井壁部材11に枢着して、第１の左右側壁部材12，12の下端縁が上昇して収納姿勢となるようにするも良い。第２の左右側壁部22，22を底壁部材21に枢着して、第２の左右側壁部材22，22の上端縁が左右内方へ傾倒して収納姿勢となるような構造とするも良い。また、前・後壁部材13，23，14，24は、前後内方へ揺動して、収納姿勢となるように構成するも良い。ヒンジ部３は、蝶番型ヒンジ部材30で構成する場合に限らず、ケース上半体１の下枠部材15に樹脂成型にて一体状に設けた枢結用雌雄一方部と、ケース下半体２の上枠部材25に樹脂成型にて一体状に設けた枢結用雌雄他方部とを、連結して構成するも良い。前壁部材13，23及び後壁部材14，24の折曲げ用ヒンジ部50，60，70，80は、薄肉連結線部（片部）をもって構成、或いは、蝶番部材等の金具で構成するも良い。各壁部材11，12，13，14，21，22，23，24、及び、各枠部材15，25は、樹脂製が好ましいが、金属製であっても良い。 In the present invention, the design can be changed, and the lower frame member 15 and the upper frame member 25 may be omitted. The first left and right side wall members 12 and 12 may be pivotally attached to the ceiling wall member 11 so that the lower end edges of the first left and right side wall members 12 and 12 are raised to the storage posture. The second left and right side wall portions 22 and 22 are pivotally attached to the bottom wall member 21, and the upper end edges of the second left and right side wall members 22 and 22 are tilted inward in the left and right directions so as to be in the storage posture. good. Further, the front / rear wall members 13, 23, 14, and 24 may be configured to swing in the front-rear and inward directions to be in the storage posture. The hinge portion 3 is not limited to the case of the hinge type hinge member 30, but a pivoting male and female one portion integrally provided on the lower frame member 15 of the case upper half 1 by resin molding, and the case lower half Alternatively, the upper and lower frame members 25 may be configured by connecting the other male and female portions for pivoting provided integrally by resin molding. The folding hinge portions 50, 60, 70, 80 of the front wall members 13, 23 and the rear wall members 14, 24 are configured with thin connecting wire portions (single portions), or configured with metal fittings such as hinge members. good. The wall members 11, 12, 13, 14, 21, 22, 23, 24 and the frame members 15, 25 are preferably made of resin, but may be made of metal.

また、本発明は、説明を容易にするために、底壁部材21が水平面状となっている姿勢を基準姿勢として、ケース上半体１及びケース下半体２を折り畳む際の上下方向を説明しているが、実際の折畳み作業において、底壁部材21を鉛直面状とした箱横倒し姿勢で、折畳み作業を行うも良い。つまり、方向を基に、折畳み作業の姿勢を限定するものではない。
また、ケース上半体１の後壁面とは、天井壁部材11の後面と、第１後壁部材14の表て面と、下枠部材15の後面と、で形成される面である。ケース下半体２の後壁面とは、底壁部材21の後面と、第２後壁部材24の表て面と、上枠部材25の後面と、で形成される面である。図例においては、ヒンジ部材30は、下枠部材15の後面と上枠部材25の後面とに固着している。 Further, in the present invention, for ease of explanation, the vertical direction when folding the case upper half 1 and the case lower half 2 is described with the posture in which the bottom wall member 21 is in a horizontal plane as the reference posture. However, in the actual folding work, the folding work may be performed in a box-side-down posture with the bottom wall member 21 as a vertical surface. That is, the posture of the folding work is not limited based on the direction.
The rear wall surface of the case upper half 1 is a surface formed by the rear surface of the ceiling wall member 11, the surface of the first rear wall member 14, and the rear surface of the lower frame member 15. The rear wall surface of the case lower half 2 is a surface formed by the rear surface of the bottom wall member 21, the surface of the second rear wall member 24, and the rear surface of the upper frame member 25. In the illustrated example, the hinge member 30 is fixed to the rear surface of the lower frame member 15 and the rear surface of the upper frame member 25.

以上のように本発明のゴミ保護ケースは、下方開口状のケース上半体１と、上方開口状のケース下半体２と、を備え、上記ケース上半体１の後壁面の下端縁１ｂと、上記ケース下半体２の後壁面の上端縁２ａとは、ヒンジ部３によって枢結され、上記ケース上半体１は上記ケース下半体２に対して後方へ揺動して開放自在とされ、さらに、上記ケース上半体１及び上記ケース下半体２は、各々、扁平直方体形状に折畳み自在に構成されているので、ゴミ保護ネットのように風や鳥獣によってゴミＧが露出することが無く、確実にゴミＧを保護できる。しかも、非使用状態では、コンパクトにでき（ゴミ収容をしている使用状態に比べて薄くでき）、狭い隙間等のスペースに立て掛けたり、差し込んだりして、片付けることができる。つまり、ゴミ保護ケース専用の設置空間が不要であり、設置空間を常時占領しないため、通行を妨げず、周囲の美観も損ねない。また、容易かつ迅速に、箱型形状と扁平直方体形状に切り替えることができる、ケース上半体１又はケース下半体２を折畳めば、小さいゴミＧを保護するのに適した短縮状態にでき、設置空間を無駄に占領せず、使い勝手が良い。 As described above, the dust protection case of the present invention includes the lower opening case upper half 1 and the upper opening case lower half 2, and the lower edge 1 b of the rear wall surface of the case upper half 1. The upper end edge 2a of the rear wall surface of the case lower half 2 is pivotally connected by a hinge portion 3, and the case upper half 1 swings backward with respect to the case lower half 2 and can be freely opened. Furthermore, since the case upper half 1 and the case lower half 2 are each configured to be foldable into a flat rectangular parallelepiped shape, dust G is exposed by wind or birds and beasts like a dust protection net. The garbage G can be reliably protected without any problems. Moreover, in a non-use state, it can be made compact (it can be made thinner than the use state in which dust is stored), and can be put away by leaning on or inserting into a space such as a narrow gap. In other words, an installation space dedicated to the dust protection case is unnecessary, and the installation space is not occupied at all times, so that traffic is not hindered and the surrounding aesthetics are not impaired. In addition, if the case upper half 1 or the case lower half 2 can be folded easily and quickly, it can be switched between a box shape and a flat cuboid shape. It is easy to use without occupying the installation space wastefully.

また、上記ケース上半体１は、天井壁部材11と、左右側壁部材12，12と、前壁部材13と、後壁部材14と、下方開口縁部を形成する矩形状の下枠部材15と、を有し、上記左右側壁部材12，12は、左右内方へ揺動自在に、上記下枠部材15に枢着され、上記前壁部材13は、後内方へくの字状に折曲げ自在であり、かつ、上記後壁部材14は、前内方へくの字状に折曲げ自在とされ、上記ケース下半体２は、底壁部材21と、左右側壁部材22，22と、前壁部材23と、後壁部材24と、上方開口縁部を形成する矩形状の上枠部材25と、を有し、上記ケース下半体２の左右側壁部材22，22は、左右内方へ揺動自在に、上記上枠部材25に枢着され、上記ケース下半体２の前壁部材23は、後内方へくの字状に折曲げ自在であり、かつ、上記ケース下半体２の後壁部材24は、前内方へくの字状に折曲げ自在とされているので、ケース上半体１のみ、又は、ケース下半体２のみ、或いは、両者を、容易かつ迅速に折畳み状態にすることができる。箱形状状態（箱状態）と折畳み状態との切換えを容易に行うことができる。折畳み状態の上下寸法（厚さ寸法）を、箱状態の時よりも大幅に薄くできる。 The case upper half 1 includes a ceiling wall member 11, left and right side wall members 12, 12, a front wall member 13, a rear wall member 14, and a rectangular lower frame member 15 forming a lower opening edge. The left and right side wall members 12, 12 are pivotally attached to the lower frame member 15 so as to be swingable in the left and right inward directions, and the front wall member 13 is shaped like a rear inward bow. The rear wall member 14 is foldable and can be bent in a front-inward shape. The case lower half 2 includes a bottom wall member 21 and left and right side wall members 22 and 22. And a front wall member 23, a rear wall member 24, and a rectangular upper frame member 25 forming an upper opening edge, and the left and right side wall members 22 and 22 of the case lower half 2 It is pivotally attached to the upper frame member 25 so as to be swingable inward, and the front wall member 23 of the case lower half body 2 can be bent in a rearward inward shape, and the case The rear wall member 24 of the lower half 2 is moved forward and inward. Since the shape is freely bent, only the case upper half 1, or, the lower case half 2 only, or both, can be easily and quickly folded state. Switching between the box-shaped state (box state) and the folded state can be easily performed. The vertical dimension (thickness dimension) in the folded state can be made much thinner than in the box state.

また、上記ヒンジ部３に、上記ケース上半体１を前方へ閉じる方向へ常時弾発付勢するバネ部材35を設けたので、バネ部材35の弾発付勢力が、ケース上半体１を閉じる方向へ揺動させるための操作補助力となって、使用者が容易にケース上半体１を閉じることができる。また、バネ部材35の弾発付勢力が、鳥獣や強風がケース上半体１を開揺動させようとする力に対する抵抗力となり、不意に開放されることを防止できる。 In addition, since the spring member 35 that constantly urges and urges the case upper half 1 in the direction of closing the case upper half 1 forward is provided on the hinge portion 3, the elastic urging force of the spring member 35 causes the case upper half 1 to The operation assisting force for swinging in the closing direction is provided so that the user can easily close the case upper half 1. Further, the bullet urging force of the spring member 35 becomes a resistance force against the force of the birds and beasts or strong winds to open and swing the case upper half 1, and can be prevented from being released unexpectedly.

１ケース上半体
１ｂ下端縁
２ケース下半体
２ａ上端縁
３ヒンジ部
11 天井壁部材
12，12 左右側壁部材
13 前壁部材
14 後壁部材
15 下枠部材
21 底壁部材
22，22 左右側壁部材
23 前壁部材
24 後壁部材
25 上枠部材
35 バネ部材 DESCRIPTION OF SYMBOLS 1 Case upper half 1b Lower end edge 2 Case lower half 2a Upper end edge 3 Hinge part
11 Ceiling wall members
12, 12 Left and right side wall members
13 Front wall member
14 Rear wall member
15 Lower frame member
21 Bottom wall member
22, 22 Left and right side wall members
23 Front wall member
24 Rear wall member
25 Upper frame member
35 Spring member

本発明のゴミ保護ケースは、下方開口箱型のケース上半体と、上方開口箱型のケース下半体と、を備え、上記ケース上半体の後壁面の下端縁と、上記ケース下半体の後壁面の上端縁とは、ヒンジ部によって枢結され、上記ケース上半体は上記ケース下半体に対して後方へ揺動して開放自在とされ、上記ヒンジ部には、上記ケース上半体を前方へ閉じる方向へ常時弾発付勢するバネ部材が設けられ、さらに、上記ケース上半体及び上記ケース下半体は、各々、扁平直方体形状に折畳み自在に構成され、上記ケース上半体が下方開口箱形状かつ上記ケース下半体が上方開口箱形状となっている直方体形状の状態と、上記ケース上半体が折畳まれた扁平直方体形状かつ上記ケース下半体が上方開口箱形状となっている短縮状態と、上記ケース上半体が折畳まれた扁平直方体形状かつ上記ケース下半体が折畳まれた扁平直方体形状となっている折畳み完了状態と、に切り替え自在に構成され、さらに、上記ケース上半体及び上記ケース下半体は、各々、風からの風圧を低減するための多数の通気用貫通孔を有しているものである。 The dust protection case of the present invention comprises a lower open box type case upper half and an upper open box type case lower half, a lower end edge of a rear wall surface of the case upper half, and the case lower half The upper end edge of the rear wall of the body is pivotally connected by a hinge portion , and the upper half of the case swings backward with respect to the lower half of the case so that the case can be freely opened. the spring member is provided which always resiliently biased in the direction to close the upper half body forward, further, half on the case and the case lower half, respectively, are configured to be freely folded into a flat rectangular parallelepiped shape, the case A rectangular parallelepiped shape in which the upper half is in the shape of a downward opening box and the lower half of the case is in the shape of an upward opening, and a flat rectangular shape in which the upper half of the case is folded and the lower half of the case is upward The shortened state in the shape of an open box and the upper half of the case Folded flat rectangular shape and folded complete state in which the case lower half is folded flat rectangular shape is configured to be switchable, and further, the case upper half and case lower half Each has a large number of ventilation through holes for reducing the wind pressure from the wind .

また、上記ケース上半体は、天井壁部材と、左右側壁部材と、前壁部材と、後壁部材と、下方開口縁部を形成する矩形状の下枠部材と、を有し、上記左右側壁部材は、左右内方へ揺動自在に、上記下枠部材に枢着され、上記前壁部材は、後内方へくの字状に折曲げ自在であり、かつ、上記後壁部材は、前内方へくの字状に折曲げ自在とされ、上記ケース下半体は、底壁部材と、左右側壁部材と、前壁部材と、後壁部材と、上方開口縁部を形成する矩形状の上枠部材と、を有し、上記ケース下半体の左右側壁部材は、左右内方へ揺動自在に、上記上枠部材に枢着され、上記ケース下半体の前壁部材は、後内方へくの字状に折曲げ自在であり、かつ、上記ケース下半体の後壁部材は、前内方へくの字状に折曲げ自在とされているものである。 The upper half of the case includes a ceiling wall member, left and right side wall members, a front wall member, a rear wall member, and a rectangular lower frame member forming a lower opening edge, The side wall member is pivotally attached to the lower frame member so as to be swingable in the right and left directions, the front wall member is foldable in a rear inward shape, and the rear wall member is The lower half of the case forms a bottom wall member, left and right side wall members, a front wall member, a rear wall member, and an upper opening edge. A rectangular upper frame member, and the left and right side wall members of the case lower half are pivotally attached to the upper frame member so as to be swingable in the left and right directions, and the front wall member of the case lower half can freely bent in shape of the rear inner hex and rear wall members of the lower said case halves, Ru der what is freely bent before inward hex-shape .

１ケース上半体
１ｂ下端縁
２ケース下半体
２ａ上端縁
３ヒンジ部
５通気用貫通孔
11 天井壁部材
12，12 左右側壁部材
13 前壁部材
14 後壁部材
15 下枠部材
21 底壁部材
22，22 左右側壁部材
23 前壁部材
24 後壁部材
25 上枠部材
35 バネ部材 DESCRIPTION OF SYMBOLS 1 Case upper half 1b Lower end edge 2 Case lower half 2a Upper end edge 3 Hinge part
5 through holes for ventilation
11 Ceiling wall members
12, 12 Left and right side wall members
13 Front wall member
14 Rear wall member
15 Lower frame member
21 Bottom wall member
22, 22 Left and right side wall members
23 Front wall member
24 Rear wall member
25 Upper frame member
35 Spring member

Claims

A lower opening case upper half (1) and an upper opening case lower half (2),
The lower end edge (1b) of the rear wall surface of the case upper half (1) and the upper end edge (2a) of the rear wall surface of the case lower half (2) are pivoted by a hinge portion (3),
The case upper half (1) swings backward with respect to the case lower half (2) and can be freely opened.
Furthermore, the case upper half (1) and the case lower half (2) are each configured to be foldable into a flat rectangular parallelepiped shape.

The case upper half (1) includes a ceiling wall member (11), left and right side wall members (12) and (12), a front wall member (13), a rear wall member (14), and a lower opening edge. A rectangular lower frame member (15) to be formed,
The left and right side wall members (12) and (12) are pivotally attached to the lower frame member (15) so as to be swingable inward and left and right.
The front wall member (13) is foldable into a rear inwardly-shaped shape, and the rear wall member (14) is foldable into a front-inwardly-shaped shape,
The case lower half (2) includes a bottom wall member (21), left and right side wall members (22) and (22), a front wall member (23), a rear wall member (24), and an upper opening edge. A rectangular upper frame member (25) to be formed,
The left and right side wall members (22) and (22) of the case lower half (2) are pivotally attached to the upper frame member (25) so as to be swingable inward and left and right.
The front wall member (23) of the case lower half (2) is foldable in a rearward inward shape, and the rear wall member (24) of the case lower half (2) is 2. The dust protection case according to claim 1, wherein the dust protection case is freely foldable into a front-inward shape.

The dust protection case according to claim 1 or 2, wherein the hinge portion (3) is provided with a spring member (35) that constantly urges and urges the case upper half (1) in a direction to close forward.