JP3735783B2

JP3735783B2 - Carriage for transportation

Info

Publication number: JP3735783B2
Application number: JP20710495A
Authority: JP
Inventors: 俊安石井
Original assignee: ヤマト・インダストリー株式会社
Priority date: 1995-08-14
Filing date: 1995-08-14
Publication date: 2006-01-18
Anticipated expiration: 2015-08-14
Also published as: JPH0952574A

Description

【０００１】
【産業上の利用分野】
この発明は、不使用時に折り畳み収納できる運搬用台車に関する。
【０００２】
【従来の技術】
従来の運搬用台車で、収容可能としたものでは、例えば、方形底板の２面又は３面に保護柵を設け、隣接する保護柵の縦材を回動自在に連結してあり、底板を取り外し可能又は回動可能に構成してあった。この場合、収容する際には、まず底板を取り外し又は回動して縦方向に位置させ、続いて隣接する保護柵が並列するように、保護柵を回動して折り畳み、形状を小形化して収容していた。
【０００３】
【発明が解決しようとする課題】
前記従来の技術では、折り畳む際に、底板を移動すると共に、続いて保護柵を夫々回動する作業が必要であり、１度に作業ができず、構造によっては作業が煩雑となる場合も生じる問題点があった。また、収容状態から使用状態に開く際にも同様に作業が煩雑となる場合がある問題点があった。
【０００４】
【課題を解決するための手段】
然るに、この発明は、底板の中間部を、前後柵が近付くように折り畳み可能に形成したので、前記問題点を解決した。
【０００５】
即ちこの発明は、底板の両端部下面にキャスターを固定し、該底板の両端部上面に夫々前後柵を対向して設置し、前記底板の中間部を、前記前後柵が近付くように折り畳み可能に形成し、以下のように構成したことを特徴とする運搬用台車である。
(a) 前記底板は、下面両側にキャスターを固定し上面に前柵を固定した固定床板と、下面両側にキャスターを固定し上面に後柵を固定した移動床板との間に、折り畳み可能な２枚の板体からなる屈折床板を回動自在に取付けて構成した。
(b) 前記固定床板に、前記移動床板及び屈折床板の下面を支持できる補強フレームを固定した。
(c) 前記屈折床板の端部に掛止具を設け、前記補強フレームに該掛止具と係合できる受け具を設けた。
【０００６】
また、前記において、移動床板の下面に、補強フレームの端部を挿通し、かつ該補強フレームの上下方向の移動を規制できる保持具を設けた運搬用台車である。
【０００７】
また、他の発明は、底板の両端部下面にキャスターを固定し、該底板の両端部上面に夫々前後柵を対向して設置し、前記底板の中間部を、前記前後柵が近付くように折り畳み可能に形成し、以下のように構成したことを特徴とする運搬用台車である。
(a) 前記底板は、下面両側にキャスターを固定し上面に前柵を固定した固定床板と、下面両側にキャスターを固定し上面に後柵を固定した移動床板との間に、折り畳み可能な２枚の板体からなる屈折床板を回動自在に取付けて構成した。
(b) 前記固定床板に、前記移動床板及び屈折床板の下面を支持できる補強フレームを固定した。
(c) 前記移動床板の下面に、前記補強フレームの端部を挿通し、かつ前記補強フレームの上下方向の移動を規制できる保持具を設けた。
【０００８】
また、前記において、屈折床板を、屈折する側に付勢した運搬用台車である。
【０００９】
【作用】
前記底板の中間部を、前記前後柵が近付くように折り畳み可能に形成したので、運搬用台車を小型に折り畳むことができ、かつ底板を開けば通常の使用状態の構造に変形できる。
【００１０】
また、底板は、キャスターを固定した固定床板と、キャスターを固定した移動床板との間に、折り畳み可能な屈折床板を回動自在に取付けて構成したので、屈折床板を折り畳んだ際に、移動床板がキャスターにより容易に固定床板に近付くように移動できる。
【００１１】
補強フレームを固定したので、床板を補強保護できると共に、屈折床板に掛止具を設け、補強フレームに受け具を設けたので、運搬用台車の使用時に床板を開いた状態を保持できる。また、補強フレームは保持具２３内に挿通されて、移動床板に対して上下方向の移動が規制される。また、屈折床板を、屈折する側に付勢したので、収容状態を維持できる。
【００１２】
【実施例】
図１乃至図４に基づきこの発明の実施例を説明する。
【００１３】
略方形の底板１の下面の４隅部に、キャスター７、７を固定する。
【００１４】
前記底板１は、両端部２ａ、２ａにキャスター７、７を固定した固定床板２及び同様に両端部３ａ、３ａにキャスター７、７を固定した移動床板３、と屈折床板４とから構成されている。また、前記屈折床板４は、前記固定床板２と移動床板３との間に軸６、６により夫々回動自在に介装されていると共に、上に凸となるように折り畳みできるように２枚の屈折床板部材５、５ａを前記軸６と平行な軸６ａにより回動自在に連結されて構成されている。前記軸６ａにはスプリングが嵌装され（図示していない）、前記屈折床板４は、開いた状態（図１（ａ））から、若干折られた状態（図３（ａ）の鎖線図示４ｂ）になるように付勢されている。
【００１５】
また、前記固定床板２の下面側に補強フレーム８の一端部８ａが固定され、該補強フレーム８の他端部８ｂは、前記移動床板３の下面に位置している（補強フレーム８と移動床板３とは固定されていない）。また、前記補強フレーム８は２本のフレーム部材１１、１１を固定床板２側が広く、移動床板３側が狭くなるように並列し、該フレーム部材１１を連結材１２で連結してなる。前記連結材１２は移動床板３側の端部８ｂに位置している。
【００１６】
次に、前記屈折床板４の屈折床板部材５の下面に掛止金具１４を、その先端１４ａを移動床板３側に向けて、突設する。また、前記補強フレーム８のフレーム部材１１、１１に、前記掛止金具１４を掛止できる受金具１５を架設固定する。前記掛止金具１４と受金具１５とは、屈折床板４が水平状態の時に互いに掛止できるように構成されている。
【００１７】
また、前記移動床板３の下面に、帯状の材料を略Ｕ字状に屈曲してなり、かつ前記補強フレーム８の他端部８ｂから中間部を挿通できる保持具２３を突設する。補強フレーム８は保持具２３内に挿通されているので、移動床板３に対して上下方向の移動が規制される。
【００１８】
また、前記固定床板２の上面に、門型の前柵１６の下端部１７、１７を着脱自在（又は固定）に取り付け、前記移動床板３の上面に、門型の後柵１９の下端部２０、２０を着脱自在（又は固定）に取り付ける。前記前柵１６の縦材１８と後柵１９の縦材２１との間に固定杆２２を着脱自在に架設して運搬用台車２４を構成する（図１、２）。前記固定杆２２は一端部が、縦材２１に移動自在に取り付けられ、他端部が縦材１８の筒状金具２７に嵌挿できる形状で構成されている。
【００１９】
次に、前記実施例に基づくこの発明の運搬用台車２４の使用について説明する。
【００２０】
運搬用台車２４は、荷物運搬時には通常の運搬用台車と同様に、底板１上に荷物を載置して使用する。また、不使用時には、固定杆２２を外し、移動床板３を固定床板２側（図１矢示２５方向）に押し、掛止金具１４と受け具１５との係合を外す。同時に、軸６ａのスプリングにより屈折床板４が若干折れるように付勢されているので、屈折床板４が折れ、移動床板３が固定床板２側に移動する（図３）。この状態の運搬用台車２４の移動床板３、屈折床板４、キャスター７及び前柵１９は、図３で、夫々鎖線図示２４ｂ、３ｂ、４ｂ、７ｂ、１９ｂの位置になっている（図３（ａ）（ｂ））。従って、移動床板３は、前柵１６と後柵１９とが近付くように移動し、運搬用台車２４は折り畳まれる。この際、折り畳みに伴い移動床板３のキャスター７、７が移動することにより補強フレーム８の他端部８ｂが自重で傾斜して地面に当たるおそれがあるが、補強フレーム８の他端部８ｂから中間部は常に移動床板３の保持具２３内に挿通されており、補強フレーム８の傾斜を防止できる。
【００２１】
また、図４において、折り畳まれた一方の運搬用台車２４Ａの前柵１６Ａ側（固定床板２Ａ側）から、同じく折り畳まれた他方の運搬用台車２４Ｂを重ねた場合、一方の運搬用台車２４Ａの補強フレーム８Ａの内側９Ａに、他方の運搬用台車２４Ｂの補強フレーム８Ｂの外側１０Ｂが当接するように重なり（図４（ａ））、同時に、一方の運搬用台車２４Ａの固定床板２Ａと他方の運搬用台車２４Ｂの移動床板３Ｂとが当接する。従って、両運搬用台車２４Ａ、２５Ｂは、単独の場合より小型に収容される（図４（ａ）（ｂ））。同様に、順次重ねれば、所定台数の運搬用台車２４を場所を取らずに重ねて収容できる。また、重ねて収容した場合に、隣接する運搬用台車２４Ａ、２４Ｂの補強フレーム８Ａ、８Ｂの内外が互いに当接するように重なり、かつ各補強フレーム８Ａ、８Ｂは夫々保持具２３内に挿通されているので、運搬用台車２４、２４を重ねた状態で移動させても、連結が崩れるおそれがない。
【００２２】
次に、運搬用台車２４を使用する際には、図４の状態から運搬用台車２４を引き抜くと、図３鎖線図示２４ｂの状態になる。続いて、屈折床板４ｂの中間部（凸部）を下方に押え、移動床板４を鎖線矢示２６方向に移動させ、掛止金具１４と受け具１５とを係合させ、固定杆２２を取り付けて使用する（図１）。
【００２３】
前記実施例において、掛止金具１４を屈折床板４に、受金具１５を補強フレーム８に設けたが、開いた状態の床板１を保持できる位置であれば、他の位置とすることもできる（図示していない）。
【００２４】
また、前記実施例において、補強フレーム８は斜に並列したフレーム部材１１、１１から構成することが望ましいが、板状等他の構造とすることもできる（図示していない）。この場合でも、運搬用台車を重ねた際に、隣接する運搬用台車の補強フレーム８が、互いに水平方向に重なるような形状とすることが望ましい。また、床板１に荷物を載置した際に、床板１が十分の強度を有すれば、補強フレーム８を不要とすることもできる（図示していない）。
【００２５】
また、前記実施例において、軸６ａにスプリングを嵌装して屈折床板４を、屈折する側に付勢したが、他の手段、例えば軸６、６にスプリングを嵌装して構成することもできる（図示していない）。また、屈折床板４を屈折する側に付勢する構成とすることが望ましいが、省略することもできる（図示していない）。
【００２６】
また、前記実施例において、底板１は固定床板２、移動床板３、及び屈折床板４とから構成したが、前柵１６と後柵１９とが近付くように折り畳みできれば、他の構成とすることもできる（図示していない）。
【００２７】
また、前記実施例において、前柵１６、後柵１９に加えて、取り外し可能な側柵を組み合わせることもできる（図示していない）。
【００２８】
また、前記実施例において、保持具２３は補強フレーム８が比較的軽量の場合、あるいは補強フレーム８を設けない場合には保持具２３を不要とすることもできる。
【００２９】
【実施例２】
次に図５及び図６に基づきこの発明の他の実施例を説明する。前記実施例１において、床板１を固定床板２、移動床板３、屈折床板４とから構成し、固定床板２を板状としたが、この実施例は固定床板を棒状とした実施例である。
【００３０】
底板１は、両端部下側にキャスター７、７を固定した棒状の固定床板２８及び実施例１と同様に両端部３ａ、３ａにキャスター７、７を固定した移動床板３、と屈折床板４とから構成されている。また、前記屈折床板４は、実施例１と同様に前記固定床板２８と移動床板３との間に軸６、６により夫々回動自在に介装されていると共に、上に凸となるように折り畳みできるように２枚の屈折床板部材５、５ａを前記軸６と平行な軸６ａにより回動自在に連結されて構成されている。また、前記軸６ａにはスプリングが嵌装され（図示していない）、前記屈折床板４は、開いた状態（図５（ａ））から、若干折られた状態（図５（ｂ））になるように付勢されている。
【００３１】
また、前記固定床板２８の下面に、前記実施例１と同様の補強フレーム８の一端部８ａが固定され、該補強フレーム８の他端部８ｂは、前記移動床板３の下面に位置している。
【００３２】
また、前記固定床板２８の両端部に、門型の前柵１６の下端部１７、１７を着脱自在（又は固定）に取り付け、前記移動床板３の上面に、門型の後柵１９の下端部２０、２０を着脱自在（又は固定）に取り付ける。前記前柵１６の縦材１８と後柵１９の縦材２１との間に固定杆２２を着脱自在に架設して運搬用台車３０を構成する（図５（ａ））。
【００３３】
前記実施例に基づくこの発明の運搬用台車２４の使用も実施例１と同様である。即ち、運搬用台車３０は、荷物運搬時には通常の運搬用台車と同様に、底板１上に荷物を載置して使用する。また、不使用時には、固定杆２２を外し、移動床板３を固定床板側に押し、屈折床板４を折り、移動床板３を固定床板２８側に移動させる（図５（ｂ））。
【００３４】
また、図６において、折り畳まれた一方の運搬用台車３０Ａの前柵１６Ａ側（固定杆２８Ａ側）から、同じく折り畳まれた他方の運搬用台車３０Ｂを重ねた場合、一方の運搬用台車３０Ａの補強フレーム８Ａの内側に、他方の運搬用台車３０Ｂの補強フレーム８Ｂの外側が当接するように重なり（図６）、同時に、一方に運搬用台車３０Ａの固定床板２８Ａと他方の運搬用台車３０Ｂの移動床板３Ｂとが近接して、両運搬用台車３０Ａ、３０Ｂは、単独の場合より小型に収容される（図６）。また、本実施例の運搬様台車３０は固定床板２８を棒状としたので実施例１の場合より小さく収容できる。同様に、順次重ねれば、所定台数の運搬用台車３０を場所を取らずに重ねて収容できる。また、運搬用台車２４を使用する際には、図の状態から運搬用台車２４を引き抜き、屈折床板４の中間部（凸部）を下方に押え、固定杆２２を取り付けて使用する（図５（ａ））。
【００３５】
前記実施例において、実施例１と同様に、移動床板３に保持具２３を、屈折床板４に掛止金具１４を、補強フレーム８に受金具１５を夫々設けることもできる（図示していない）。また、他の実施例も実施例１と同様である。
【００３６】
【発明の効果】
前記底板の中間部を、前記前後柵が近付くように折り畳み可能に形成したので、１回の操作で、運搬用台車を収容状態に折り畳み、かつ使用状態に開くことができ、変形作業を極めて簡略化できる効果がある。また、底板を、キャスターを固定した固定床板及び移動床板との間に屈折床板を取付けて構成した場合には、床板を折り畳みあるい開く際に、移動床板がキャスターにより容易に固定床板に近付くように移動できるので、運搬用台車の変形作業をより弱い力で操作できる効果がある。
【００３７】
また、屈折床板に掛止金具を設け、補強フレームに受け具を設け場合には、運搬用台車の使用時に床板を開いた状態に保持できるので、運搬用台車の収容状態から使用状態への変形作業を更に簡略化でき、更に屈折床板を屈折する側に付勢すれば、運搬用台車の使用状態から収容状態への変形作業を更に簡略化でき、総じて、運搬用台車の変形作業を効率化できる効果がある。また、移動床板に補強フレームを嵌挿できる保持具を設ければ、補強フレームの自重による傾斜を防止でき、複数台の運搬台車を重ねて収容する際、あるいは分離する際に作業が容易にできる効果がある。
【００３８】
また、補強フレームを固定した場合には、折り畳み可能とした床板を保護し、運搬用台車の耐力を高めることができる効果がある。
【図面の簡単な説明】
【図１】この発明の実施例で（ａ）は側面図、（ｂ）は平面図である。
【図２】同じく（ａ）は正面図、（ｂ）は背面図である。
【図３】この発明の実施例で底板を折曲げた状態を表し、（ａ）は側面図、（ｂ）は平面図である。
【図４】同じく、２つの運搬用台車を重ねた状態を表し、（ａ）は側面図、（ｂ）は平面図である。
【図５】この発明の他の実施例の側面図で、（ａ）は底板を開いた状態、（ｂ）は底板を折り曲げた状態を夫々表す。
【図６】同じく２つの運搬用台車を重ねた状態の側面図である。
【符号の説明】
１床板
２固定床板
３移動床板
４屈折床板
５、５ａ屈折床板部材
７キャスター
８補強フレーム
１４掛止金具
１５受け金具
１６前柵
１９後柵
２４運搬用台車
２８固定床板
３０運搬用台車
２Ａ、２Ｂ固定床板
３Ａ、３Ｂ移動床板
４Ａ、４Ｂ屈折床板
７Ａ、７Ｂキャスター
１６Ａ、１６Ｂ前柵
１９Ａ、１９Ｂ後柵
２４ｂ、２４Ａ、２４Ｂ運搬用台車
２８Ａ、２８Ｂ固定床板
３０Ａ、３０Ｂ運搬用台車[0001]
[Industrial application fields]
The present invention relates to a transport cart that can be folded and stored when not in use.
[0002]
[Prior art]
For example, with a conventional transporting carriage that can be accommodated, protective fences are provided on two or three sides of the rectangular bottom plate, and the vertical members of adjacent protective fences are rotatably connected, and the bottom plate is removed. It was configured to be possible or rotatable. In this case, when storing, the bottom plate is first removed or rotated and positioned in the vertical direction, and then the protective fence is rotated and folded so that the adjacent protective fences are arranged in parallel, and the shape is reduced. Was housed.
[0003]
[Problems to be solved by the invention]
In the conventional technique, when folding, it is necessary to move the bottom plate and subsequently rotate the protective fence, and the work cannot be performed at one time. Depending on the structure, the work may be complicated. There was a problem. In addition, there is a problem that the work may be similarly complicated when opening from the accommodation state to the use state.
[0004]
[Means for Solving the Problems]
However, the present invention solves the above-mentioned problems because the intermediate portion of the bottom plate is formed so as to be foldable so that the front and rear fences approach each other.
[0005]
That is, the present invention fixes casters to the lower surfaces of both ends of the bottom plate, and installs front and rear fences on the upper surfaces of both ends of the bottom plate so that the middle portion of the bottom plate can be folded so that the front and rear fences approach each other. A transportation cart characterized by being formed and configured as follows .
(a) The bottom plate can be folded between a fixed floor plate having casters fixed to both sides of the lower surface and a front fence fixed to the upper surface, and a movable floor plate having casters fixed to both sides of the lower surface and a rear fence fixed to the upper surface. A refracting floor plate made of a single plate was attached rotatably.
(b) A reinforcing frame capable of supporting the lower surfaces of the movable floor plate and the refractive floor plate is fixed to the fixed floor plate.
(c) A hook is provided at an end of the refracting floor plate, and a receiver that can be engaged with the hook is provided on the reinforcing frame.
[0006]
Further, in the above, the carriage is provided with a holding tool that allows the end of the reinforcing frame to be inserted into the lower surface of the moving floor board and restricts the vertical movement of the reinforcing frame .
[0007]
In another aspect of the invention , casters are fixed to the lower surfaces of both ends of the bottom plate, front and rear fences are respectively installed on the upper surfaces of both ends of the bottom plate, and the middle portion of the bottom plate is folded so that the front and rear fences approach each other. It is a transport cart characterized by being formed and configured as follows.
(a) The bottom plate can be folded between a fixed floor plate having casters fixed to both sides of the lower surface and a front fence fixed to the upper surface, and a movable floor plate having casters fixed to both sides of the lower surface and a rear fence fixed to the upper surface. A refracting floor plate made of a single plate was attached rotatably.
(b) A reinforcing frame capable of supporting the lower surfaces of the movable floor plate and the refractive floor plate is fixed to the fixed floor plate.
(c) A holder is provided on the lower surface of the movable floor plate so that the end of the reinforcing frame can be inserted and the vertical movement of the reinforcing frame can be restricted.
[0008]
Moreover, in the above, it is a transporting carriage in which the refractive floor plate is urged toward the side to be refracted.
[0009]
[Action]
Since the intermediate part of the bottom plate is formed so as to be foldable so that the front and rear fences approach each other, the transportation carriage can be folded in a small size, and can be transformed into a structure in a normal use state by opening the bottom plate.
[0010]
In addition, the bottom plate is constructed by pivotally mounting a foldable refractive floor plate between the fixed floor plate to which the casters are fixed and the movable floor plate to which the casters are fixed. Therefore, when the refractive floor plate is folded, the movable floor plate Can be moved by a caster so as to approach the fixed floor board easily.
[0011]
Since the reinforcing frame is fixed, the floor board can be reinforced and protected, and the refracting floor board is provided with a latch and the reinforcing frame is provided with a receiver, so that the floor board can be kept open when the transporting carriage is used. Further, the reinforcing frame is inserted into the holder 23, and movement in the vertical direction with respect to the moving floor board is restricted. Further, since the refractive floor plate is urged toward the side to be refracted, the accommodation state can be maintained.
[0012]
【Example】
An embodiment of the present invention will be described with reference to FIGS.
[0013]
Casters 7 and 7 are fixed to the four corners of the lower surface of the substantially square bottom plate 1.
[0014]
The bottom plate 1 includes a fixed floor plate 2 in which casters 7 and 7 are fixed to both ends 2a and 2a, a movable floor plate 3 in which casters 7 and 7 are fixed to both ends 3a and 3a, and a refractive floor plate 4, respectively. Yes. In addition, the refractive floor plate 4 is interposed between the fixed floor plate 2 and the movable floor plate 3 so as to be rotatable by shafts 6 and 6, respectively, and can be folded so as to be convex upward. The refracting floor plate members 5, 5a are rotatably connected by a shaft 6a parallel to the shaft 6. A spring is fitted on the shaft 6a (not shown), and the refracting floor plate 4 is slightly folded from an open state (FIG. 1A) (shown by a chain line 4b in FIG. 3A). ).
[0015]
Further, one end portion 8a of the reinforcing frame 8 is fixed to the lower surface side of the fixed floor plate 2, and the other end portion 8b of the reinforcing frame 8 is located on the lower surface of the moving floor plate 3 (the reinforcing frame 8 and the moving floor plate). 3 is not fixed). The reinforcing frame 8 includes two frame members 11 and 11 arranged in parallel so that the fixed floor plate 2 side is wide and the movable floor plate 3 side is narrow, and the frame member 11 is connected by a connecting member 12. The connecting member 12 is located at the end 8b on the moving floor board 3 side.
[0016]
Next, the latching metal fitting 14 is provided on the lower surface of the refractive floor plate member 5 of the refractive floor plate 4 so that the front end 14a thereof faces the movable floor plate 3 side. In addition, a receiving metal 15 that can hold the holding metal 14 is installed and fixed to the frame members 11 and 11 of the reinforcing frame 8. The latching metal 14 and the receiving metal 15 are configured to be able to latch each other when the refractive floor plate 4 is in a horizontal state.
[0017]
In addition, a holder 23 is provided on the lower surface of the movable floor plate 3 so as to be bent in a substantially U-shape and can be inserted through the intermediate portion from the other end portion 8 b of the reinforcing frame 8. Since the reinforcing frame 8 is inserted into the holder 23, the vertical movement of the moving floor plate 3 is restricted.
[0018]
Further, the lower ends 17 and 17 of the gate-shaped front fence 16 are detachably (or fixed) attached to the upper surface of the fixed floor board 2, and the lower ends 20 of the gate-shaped rear fence 19 are attached to the upper surface of the movable floor board 3. , 20 are detachably attached (or fixed). A fixed carriage 22 is detachably installed between the vertical member 18 of the front fence 16 and the vertical member 21 of the rear fence 19 to constitute a transport carriage 24 (FIGS. 1 and 2). One end of the fixing rod 22 is movably attached to the longitudinal member 21, and the other end is configured in a shape that can be fitted into the cylindrical fitting 27 of the longitudinal member 18.
[0019]
Next, the use of the transport carriage 24 of the present invention based on the above embodiment will be described.
[0020]
The transport cart 24 is used by placing a load on the bottom plate 1 in the same way as a normal transport cart when transporting a load. Further, when not in use, the fixed rod 22 is removed, the movable floor plate 3 is pushed toward the fixed floor plate 2 (in the direction of arrow 25 in FIG. 1), and the engagement between the latch metal 14 and the support 15 is released. At the same time, the refracting floor plate 4 is urged by the spring of the shaft 6a to be bent slightly, so that the refracting floor plate 4 is bent and the movable floor plate 3 moves to the fixed floor plate 2 side (FIG. 3). In this state, the movable floor plate 3, the refractive floor plate 4, the caster 7 and the front fence 19 of the transport carriage 24 are in the positions of chain lines 24b, 3b, 4b, 7b and 19b shown in FIG. a) (b)). Accordingly, the movable floor board 3 moves so that the front fence 16 and the rear fence 19 approach each other, and the transport carriage 24 is folded. At this time, when the casters 7 and 7 of the movable floor plate 3 move along with the folding, the other end portion 8b of the reinforcing frame 8 may be inclined by its own weight and hit the ground. The portion is always inserted into the holder 23 of the movable floor plate 3, and the reinforcement frame 8 can be prevented from being inclined.
[0021]
In FIG. 4, when the other folded carriage 24B is folded from the front rail 16A side (fixed floor plate 2A side) of one folded carriage 24A, It overlaps with the inner side 9A of the reinforcing frame 8A so that the outer side 10B of the reinforcing frame 8B of the other transport carriage 24B abuts (FIG. 4 (a)). At the same time, the fixed floor plate 2A of one transport carriage 24A and the other The moving floor plate 3B of the transport carriage 24B comes into contact. Therefore, both the transport carts 24A and 25B are accommodated in a smaller size than in the case of a single vehicle (FIGS. 4A and 4B). Similarly, by sequentially stacking, a predetermined number of transport carts 24 can be stacked and accommodated without taking up space. In addition, when stacked, the reinforcing frames 8A and 8B of the adjacent carriages 24A and 24B overlap so that the inside and outside of each of them are in contact with each other, and the reinforcing frames 8A and 8B are inserted into the holder 23, respectively. Therefore, even if the transport carriages 24, 24 are moved in a stacked state, there is no possibility that the connection is broken.
[0022]
Next, when the transport carriage 24 is used, when the transport carriage 24 is pulled out from the state shown in FIG. 4, the state shown in FIG. Subsequently, the intermediate portion (convex portion) of the refracting floor plate 4b is pressed downward, the moving floor plate 4 is moved in the direction indicated by the chain line arrow 26, the latch metal 14 and the receiving tool 15 are engaged, and the fixing rod 22 is attached. (Fig. 1).
[0023]
In the above-described embodiment, the retaining metal fitting 14 is provided on the refracting floor plate 4 and the receiving metal fitting 15 is provided on the reinforcing frame 8. However, any other position can be used as long as it can hold the opened floor board 1 ( Not shown).
[0024]
In the above-described embodiment, the reinforcing frame 8 is preferably composed of the frame members 11 and 11 arranged in parallel with each other. However, other structures such as a plate shape may be used (not shown). Even in this case, it is desirable that the reinforcing frames 8 of adjacent transportation carts overlap each other in the horizontal direction when the transportation carts are stacked. Further, when the luggage is placed on the floor board 1, if the floor board 1 has sufficient strength, the reinforcing frame 8 can be dispensed with (not shown).
[0025]
Moreover, in the said Example, although the spring was fitted to the axis | shaft 6a and the refracting floor board 4 was urged | biased to the side to refract, it can also be comprised by fitting a spring to other means, for example, the shafts 6 and 6. Yes (not shown). Moreover, although it is desirable to set it as the structure which urges | biases the refractive floor board 4 to the side to refract, it can also be abbreviate | omitted (not shown).
[0026]
Moreover, in the said Example, although the baseplate 1 comprised the fixed floor board 2, the movable floor board 3, and the refractive floor board 4, if it can fold so that the front fence 16 and the rear fence 19 may approach, it may be set as another structure. Yes (not shown).
[0027]
Moreover, in the said Example, in addition to the front fence 16 and the rear fence 19, a removable side fence can also be combined (not shown).
[0028]
Moreover, in the said Example, when the reinforcement frame 8 is comparatively lightweight or when the reinforcement frame 8 is not provided, the holder 23 can also be made unnecessary.
[0029]
[Example 2]
Next, another embodiment of the present invention will be described with reference to FIGS. In the first embodiment, the floor board 1 is composed of the fixed floor board 2, the movable floor board 3, and the refractive floor board 4, and the fixed floor board 2 has a plate shape, but this embodiment is an embodiment in which the fixed floor board has a rod shape.
[0030]
The bottom plate 1 includes a rod-like fixed floor plate 28 with casters 7 and 7 fixed to the lower sides of both ends, a movable floor plate 3 with casters 7 and 7 fixed to both end portions 3a and 3a, and the refractive floor plate 4 in the same manner as in the first embodiment. It is configured. Further, the refracting floor plate 4 is rotatably interposed by shafts 6 and 6 between the fixed floor plate 28 and the movable floor plate 3 in the same manner as in the first embodiment, and is convex upward. Two refracting floor plate members 5 and 5a are rotatably connected by a shaft 6a parallel to the shaft 6 so that they can be folded. Also, a spring is fitted on the shaft 6a (not shown), and the refractive floor plate 4 is changed from an open state (FIG. 5A) to a slightly folded state (FIG. 5B). It is energized to become.
[0031]
Further, one end portion 8a of the reinforcing frame 8 similar to that of the first embodiment is fixed to the lower surface of the fixed floor plate 28, and the other end portion 8b of the reinforcing frame 8 is located on the lower surface of the movable floor plate 3. .
[0032]
Further, the lower ends 17 and 17 of the gate-shaped front fence 16 are detachably attached (or fixed) to both ends of the fixed floor 28, and the lower ends of the gate-shaped rear fence 19 are attached to the upper surface of the movable floor 3. 20 and 20 are detachably attached (or fixed). A fixed carriage 22 is detachably installed between the vertical member 18 of the front fence 16 and the vertical member 21 of the rear fence 19 to constitute a transport carriage 30 (FIG. 5A).
[0033]
The use of the transport carriage 24 of the present invention based on the above embodiment is the same as that in the first embodiment. That is, the transport cart 30 is used by placing a load on the bottom plate 1 in the same way as a normal transport cart when transporting a load. When not in use, the fixed rod 22 is removed, the movable floor board 3 is pushed toward the fixed floor board, the refracting floor board 4 is folded, and the movable floor board 3 is moved toward the fixed floor board 28 (FIG. 5B).
[0034]
In FIG. 6, when the other folded carriage 30B is folded from the front rail 16A side (fixed rod 28A side) of one folded carriage 30A, The reinforcing frame 8A overlaps with the outside of the reinforcing frame 8B of the other transport carriage 30B so as to abut (FIG. 6). At the same time, the fixed floor plate 28A of the transport carriage 30A and the other transport truck 30B Due to the proximity of the moving floor board 3B, the two carriages 30A and 30B are accommodated in a smaller size than when they are alone (FIG. 6). Further, the transport-like carriage 30 of the present embodiment can be accommodated smaller than in the case of the first embodiment because the fixed floor plate 28 has a rod shape. Similarly, if they are sequentially stacked, a predetermined number of transport carts 30 can be stacked and accommodated without taking up space. Further, when using the transport carriage 24, the transport carriage 24 is pulled out from the state shown in the figure, the intermediate portion (convex portion) of the refractive floor plate 4 is pressed downward, and the fixing rod 22 is attached (FIG. 5). (A)).
[0035]
In the embodiment, similarly to the first embodiment, the holding floor 23 can be provided on the movable floor 3, the latch 14 can be provided on the refractive floor 4, and the support 15 can be provided on the reinforcing frame 8 (not shown). . The other embodiments are the same as the first embodiment.
[0036]
【The invention's effect】
Since the middle part of the bottom plate is foldable so that the front and rear fences approach each other, it is possible to fold the transport carriage into the housed state and open it in the used state with a single operation, making the deformation work extremely simple There is an effect that can be made. In addition, when the bottom plate is configured by attaching a refractive floor plate between the fixed floor plate to which the casters are fixed and the movable floor plate, when the floor plate is folded or opened, the movable floor plate can easily approach the fixed floor plate by the casters. Therefore, there is an effect that the deformation work of the transportation cart can be operated with a weaker force.
[0037]
In addition, when a hook is provided on the refracting floor plate and a support is provided on the reinforcing frame, the floor plate can be held open during use of the transportation carriage, so that the transportation carriage is changed from the housed state to the use state. The work can be further simplified, and if the refracting floor plate is biased toward the side to be refracted, the work of transforming the transport carriage from the use state to the stowed state can be further simplified. There is an effect that can be done. In addition, if a holding tool capable of inserting the reinforcing frame into the movable floor plate is provided, the reinforcing frame can be prevented from being inclined due to its own weight, and the work can be easily performed when a plurality of transport carts are accommodated or separated. effective.
[0038]
In addition, when the reinforcing frame is fixed, the floor plate that can be folded is protected, and the yield strength of the transporting carriage can be increased.
[Brief description of the drawings]
1A is a side view and FIG. 1B is a plan view of an embodiment of the present invention.
2A is a front view, and FIG. 2B is a rear view.
FIGS. 3A and 3B show a state in which a bottom plate is bent in an embodiment of the present invention, wherein FIG. 3A is a side view and FIG. 3B is a plan view.
4A and 4B show a state in which two transport carts are overlapped, where FIG. 4A is a side view and FIG. 4B is a plan view.
5A and 5B are side views of another embodiment of the present invention, in which FIG. 5A shows a state in which the bottom plate is opened, and FIG. 5B shows a state in which the bottom plate is bent.
FIG. 6 is a side view showing a state in which two transport carts are also stacked.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Floor board 2 Fixed floor board 3 Moving floor board 4 Refraction floor board 5, 5a Refraction floor board member 7 Caster 8 Reinforcement frame 14 Stopping bracket 15 Receiving bracket 16 Front fence 19 Rear fence 24 Carriage truck 28 Fixed floor board 30 Carriage truck 2A, 2B fixation Floor boards 3A, 3B Moving floor boards 4A, 4B Refractive floor boards 7A, 7B Casters 16A, 16B Front fences 19A, 19B Rear fences 24b, 24A, 24B Transportation carriages 28A, 28B Fixed floor boards 30A, 30B Transportation carriages

Claims

Casters are fixed to the lower surfaces of both end portions of the bottom plate, and front and rear fences are respectively installed on the upper surfaces of both end portions of the bottom plate, and the middle portion of the bottom plate is formed to be foldable so that the front and rear fences approach each other. A carriage for transportation characterized by being configured as described above.
(a) The bottom plate is foldable between a fixed floor plate in which casters are fixed on both sides of the lower surface and a front fence is fixed on the upper surface, and a movable floor plate in which casters are fixed on both sides of the lower surface and a rear fence is fixed on the upper surface. A refracting floor plate made of a single plate was attached rotatably.
(b) A reinforcing frame capable of supporting the lower surfaces of the movable floor plate and the refractive floor plate is fixed to the fixed floor plate.
(c) A latch is provided at an end of the refractive floor plate, and a receiver that can be engaged with the latch is provided on the reinforcing frame.

2. The transport carriage according to claim 1, wherein a holding tool is provided on the lower surface of the movable floor plate so that the end of the reinforcement frame can be inserted and the vertical movement of the reinforcement frame can be restricted.

Casters are fixed to the lower surfaces of both end portions of the bottom plate, and front and rear fences are respectively installed on the upper surfaces of both end portions of the bottom plate, and the middle portion of the bottom plate is formed to be foldable so that the front and rear fences approach each other. A carriage for transportation characterized by being configured as described above.
(a) The bottom plate is foldable between a fixed floor plate in which casters are fixed on both sides of the lower surface and a front fence is fixed on the upper surface, and a movable floor plate in which casters are fixed on both sides of the lower surface and a rear fence is fixed on the upper surface. A refracting floor plate made of a single plate was attached rotatably.
(b) A reinforcing frame capable of supporting the lower surfaces of the movable floor plate and the refractive floor plate is fixed to the fixed floor plate.
(c) A holder is provided on the lower surface of the movable floor plate so that the end of the reinforcing frame can be inserted and the vertical movement of the reinforcing frame can be restricted.

The transporting carriage according to claim 2 or 3, wherein the refractive floor board is urged toward the side to be refracted.