JP2018161961A - Foldable delivery vehicle and foldable delivery three-wheeled vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a foldable delivery vehicle and a delivery three-wheeled vehicle each of which has a foldable loading platform so that which, even in the case that which are large, can be easily loaded onto/unloaded from a truck as well as which need no large parking space.SOLUTION: The present invention provides a foldable delivery vehicle including a pair of right and left side frames, a fixation frame, and a connection part and a pair of right and left wheels. The connection part is configured such that a left support portion is connected via transverse connection portions to a right connection portion and that a right support portion is connected via transverse connection portions to a left connection portion. The two pairs of transverse connection portions are intersected substantially in the center to be rotatably connected by a connection shaft. The pair of right and left connection portions are rotatably fixed to lower frames of the pair of side frames. The pair of right and left support portions are locked to support receiving portions arranged at the pair of side frames. Thus, a loading platform is formed. Meanwhile, the pair of right and left support portions rotates about the connection shaft so as to come close to each other; therefore, the pair of right and left side frames moves in the vehicle width direction to fold the loading platform.SELECTED DRAWING: Figure 3

Description

本発明は、フロント部分が折畳みできる折畳み式荷物運搬車及びそれを用いた折畳み三輪車に関するものである。 The present invention relates to a foldable luggage carrier vehicle in which a front portion can be folded and a foldable tricycle using the same.

近年、インターネット等を利用した通信販売が急成長するのに伴い、また、高齢化による宅配サービス等で、自動車による小口の集配業務が急増している。一方、人口が密集する都市部ではモータリゼーションによって自動車利用が増加し、道路が渋滞すると共に駐車スペースの確保も難しく、顧客の店頭や住宅の玄関先の路上駐車は違法駐車となり、荷物の集配に問題が生じている。 In recent years, as mail-order sales using the Internet and the like have grown rapidly, small collection and delivery operations by automobiles have increased rapidly due to home delivery services and the like due to aging. On the other hand, in urban areas where the population is densely populated, motorization has increased the use of automobiles, resulting in traffic congestion and difficulty in securing parking spaces, and parking on the streets of customers' stores and at the front doors of houses has become illegal parking, causing problems in luggage collection and delivery. Has occurred.

これに伴い、宅配業者においては、渋滞を気にせずに狭い道も走行でき、トラック通行禁止区域に直接乗り入れたり、住宅や店先の小スペースにも駐輪できる自転車の利用が増加している。この場合、自転車でリアカーをけん引する方法が主として用いられているが、自転車と分離されたリアカーをけん引することは、一般の自転車に比べて走行が不安定になる。特開昭５２−７９４５２に記載のように、後部を二輪として荷台を設置する後二輪式三輪車も以前よりあるが、旋回時の運転操作が不安定になるため、前二輪式の三輪車も多数開発されている。例えば、フロント部分に大きな荷台を設けた前二輪式のフロント荷台三輪車が特開２００７−３３１５１５に開示されており、これによるとフロントに重量物を積んでも安定した走行ができる。 Along with this, delivery companies are increasingly using bicycles that can travel on narrow roads without worrying about traffic jams, and can enter directly into truck-restricted areas or park in small spaces in houses and storefronts. In this case, a method of towing a rear car with a bicycle is mainly used. However, towing a rear car separated from the bicycle makes traveling unstable compared to a general bicycle. As described in JP-A-52-79452, there are also rear two-wheeled tricycles that have a loading platform with two wheels at the rear, but because of unstable driving operations during turning, many front two-wheeled tricycles have also been developed. Has been. For example, Japanese Unexamined Patent Application Publication No. 2007-331515 discloses a front two-wheel front load carrier tricycle provided with a large load carrier at the front portion.

特開昭５２−７９４５２JP 52-79452 A 特開２００７−３３１５１５JP2007-331515A

上記特許文献２に記載されたようなフロント荷台三輪車を利用して、複数の拠点の駐車場でトラックから当該三輪車に積み替えて、繁華街、住宅密集地を回れば、短期間で大量の荷物を１人で運ぶことができて効果的である。しかし、当該三輪車は通常の二輪自転車に比べて車幅が広いため、拠点で荷物を三輪車に積み替えるために、三輪車をトラックに積んで移動させることは、荷台面積を狭くして実質的に荷物の積載量が減ると共に、三輪車のトラックへの積み降ろしを１人で行うことは困難である。また、業務終了後に駐輪する場合にも二輪自転車に比べて場所を取るという問題がある。 By using a front loading platform tricycle as described in the above-mentioned Patent Document 2 and transshipping from a truck to the tricycle at a parking lot at a plurality of bases, and traveling around busy streets and densely populated areas, a large amount of luggage can be obtained in a short period of time. It can be carried by one person and is effective. However, since the tricycle is wider than a normal two-wheeled bicycle, moving a tricycle on a truck to transfer the load to a tricycle at a base effectively reduces the load carrying area and reduces the load. However, it is difficult for one person to load and unload a tricycle on a truck. In addition, there is a problem of taking up more space than two-wheeled bicycles when parking after work.

そこで、本発明の目的は、大型の荷物運搬三輪車であってもトラックへの積み降ろしが容易に行え、業務終了後に駐輪場所も狭くてすむように、荷台部分を簡単に折畳むことができる折畳み式荷物運搬車及びそれを用いた折畳み式荷物運搬三輪車を提供することにある。 Therefore, the object of the present invention is a foldable type that can be easily folded onto a truck so that loading and unloading to a truck can be easily performed even in a large-sized baggage tricycle, and a parking space can be narrowed after the end of work. The object is to provide a luggage carrier and a folding luggage carrier tricycle using the same.

上記課題を解決するために、本発明では、折畳み式荷物運搬車の荷台を設けた左右一組のフレーム部を車幅方向に移動可能に結合することで、簡単に折畳んで車幅を狭くするようにした。   In order to solve the above-described problems, in the present invention, a pair of left and right frame portions provided with a loading platform of a foldable luggage carrier vehicle are coupled so as to be movable in the vehicle width direction, thereby easily folding and narrowing the vehicle width. I tried to do it.

すなわち請求項１の発明の折畳み式荷物運搬車は、左右一組のサイドフレーム、固定フレーム、結合部及び左右一組の車輪とからなる荷物運搬車において、結合部は、左支持部が右連結部と、右支持部が左連結部と、夫々横連結部で連結されると共に、前記２組の横連結部を略中央で交差させ結合軸で回動自在に軸着されてなり、前記左右一組の連結部を夫々一組のサイドフレームの下枠に回転自在に固定し、前記左右一組の支持部を夫々一組のサイドフレームに設けられた支持受部に係止することにより荷台を形成する一方で、結合軸を中心に左右一組の支持部が接近するように回転して左右一組のサイドフレームが車幅方向に移動して荷台が折畳まれることを特徴とする。   That is, the foldable luggage carrier of the invention of claim 1 is a luggage carrier comprising a pair of left and right side frames, a fixed frame, a coupling portion and a pair of left and right wheels. And the right support portion are connected to the left connecting portion by the horizontal connecting portion, respectively, and the two sets of horizontal connecting portions are crossed at substantially the center, and are pivotally attached to the connecting shaft. A set of connecting portions is rotatably fixed to a lower frame of a set of side frames, and the left and right set of support portions are respectively locked to support receiving portions provided on the set of side frames. And the pair of left and right side frames move in the vehicle width direction and the cargo bed is folded. .

請求項２の発明では、請求項１に記載の折畳み式荷物運搬車の一方のサイドフレームの縦枠に回動自在に装着し、他方のサイドフレームに脱着自在に固定可能な固定フレームを装着したことを特徴とする。   In the invention of claim 2, the folding luggage carrier vehicle according to claim 1 is rotatably attached to the vertical frame of one side frame, and the other side frame is attached with a detachable fixing frame. It is characterized by that.

請求項３の発明では、請求項１又は２に記載の折畳み式荷物運搬車の左右一組のサイドフレームの少なくとも一方の支持受部近傍に荷台板の一端を回動自在に装着したことを特徴とする。   The invention according to claim 3 is characterized in that one end of the load carrier plate is rotatably mounted in the vicinity of at least one support receiving portion of the pair of left and right side frames of the folding luggage carrier vehicle according to claim 1 or 2. And

請求項４の発明では、請求項１又は２に記載の折畳み式荷物運搬車の左右一組の支持部に荷台板の一端を回動自在に装着したことを特徴とする。   The invention according to claim 4 is characterized in that one end of the carrier plate is rotatably mounted on a pair of left and right support portions of the folding luggage carrier vehicle according to claim 1 or 2.

請求項５の発明では、請求項１乃至４に記載の折畳み式荷物運搬車において、結合軸の上方に荷台板を支持する荷台受部を設けたことを特徴とする。   According to a fifth aspect of the present invention, in the foldable luggage carrier vehicle according to the first to fourth aspects, a load carrier receiving portion for supporting the load carrier plate is provided above the coupling shaft.

請求項６の発明では、請求項１乃至５に記載の荷物運搬車とメインフレームと駆動輪とからなり、結合部とメインフレームとが前後連結部で回動自在に連結した折畳み式荷物運搬三輪車であることを特徴とする。 According to a sixth aspect of the present invention, there is provided a foldable load carrying tricycle comprising the load carrying vehicle according to any one of the first to fifth aspects, a main frame, and a drive wheel, wherein the coupling portion and the main frame are rotatably connected by the front and rear connecting portions. It is characterized by being.

以上説明したように、請求項１の発明では、左右一組のサイドフレーム、固定フレーム、結合部及び左右一組の車輪とからなる荷物運搬車は、当該結合部において、左支持部が右連結部と、右支持部が左連結部と、夫々横連結部で連結されると共に、前記２組の横連結部を略中央で交差させ結合軸で回動自在に軸着され、前記左右一組の連結部を夫々一組のサイドフレームの下枠に回転自在に固定しているので、前記左右一組の支持部を夫々一組のサイドフレームに設けられた支持受部に係止することにより荷台を形成した形で維持できる一方で、支持部を支持受部から外して結合軸を中心に左右一組の支持部が接近するように回転させることで、左右一組のサイドフレームが車幅方向に移動して荷台を簡単に折畳むことができる。   As described above, according to the first aspect of the present invention, in the luggage transport vehicle including the pair of left and right side frames, the fixed frame, the coupling portion, and the pair of left and right wheels, the left support portion is connected to the right side in the coupling portion. And the right support portion are connected to the left connecting portion by a horizontal connecting portion, respectively, and the two sets of horizontal connecting portions intersect at a substantially center and are pivotally attached to a connecting shaft so that the left and right sets are connected. Are connected to the lower frame of a set of side frames, respectively, so that the set of left and right support portions are respectively locked to the support receiving portions provided on the set of side frames. While it can be maintained in the form of a loading platform, the support part is removed from the support receiving part and rotated so that the pair of left and right support parts approach each other around the coupling axis, so that the pair of left and right side frames can The platform can be easily folded by moving in the direction.

請求項２の発明では、請求項１に記載の折畳み式荷物運搬車において、一方のサイドフレームの縦枠に回動自在に装着し、他方のサイドフレームに脱着自在に固定可能に固定フレームを装着することで、荷物運搬車を折り畳まれないように使用状態に固定することができ、固定フレームのサイドフレームとの固定を解除することで、車幅方向にサイドフレームを移動させることができて荷物運搬車を折り畳むことができる。   According to a second aspect of the present invention, in the foldable luggage carrier vehicle according to the first aspect, a vertical frame of one side frame is rotatably mounted and a fixed frame is mounted to the other side frame so as to be detachably fixed. By doing so, the luggage carrier can be fixed in use so as not to be folded, and the side frame can be moved in the vehicle width direction by releasing the fixation of the fixed frame with the side frame. The cart can be folded.

請求項３の発明では、請求項１又は２に記載の折畳み式荷物運搬車において、左右一組のサイドフレームの少なくとも一方の支持受部近傍に荷台板の一端を回動自在に装着したことにより、荷台板をサイドフレームに沿ってコンパクトに収納でき、簡単確実に荷台板を設置できる。   According to a third aspect of the present invention, in the foldable luggage carrier vehicle according to the first or second aspect, the one end of the loading platform plate is rotatably mounted in the vicinity of at least one support receiving portion of the pair of left and right side frames. The loading platform can be stored compactly along the side frame, and the loading platform can be installed easily and securely.

請求項４の発明では、請求項１又は２に記載の折畳み式荷物運搬車において、左右一組の支持部に荷台板の一端を回動自在に装着したことにより、請求項３と同様に荷台板をサイドフレームに沿ってコンパクトに収納でき、簡単確実に荷台板を設置できる。   According to a fourth aspect of the present invention, in the foldable luggage carrier vehicle according to the first or second aspect, by loading one end of the cargo bed plate to the pair of left and right support portions in a freely rotatable manner, The plate can be stored compactly along the side frame, and the loading plate can be installed easily and securely.

請求項５の発明では、請求項１乃至４に記載の折畳み式荷物運搬車において、結合軸の上方に荷台板を支持する荷台受部を設けたことにより、荷台板を車幅方向の中央部分で支持することができるので、重量物を積んでも十分な強度を有し、荷台板が大きく撓んだり変形したりし難い構造を形成でき、確実に荷物を積載することができる。   According to a fifth aspect of the present invention, in the foldable luggage carrier vehicle according to any one of the first to fourth aspects, the load carrier plate is provided at the center portion in the vehicle width direction by providing a load carrier receiving portion for supporting the load carrier plate above the coupling shaft. Therefore, it is possible to form a structure that has sufficient strength even when a heavy object is loaded, and that the carrier board is not easily bent or deformed, and can securely load the load.

折畳み式荷物運搬三輪車の斜視図である。It is a perspective view of a foldable luggage transport tricycle. 荷台部を折り畳んだ荷物運搬三輪車の側面図である。It is a side view of the luggage carrier tricycle which folded the loading platform part. 斜め前方から見た荷物運搬三輪車の斜視図である。It is a perspective view of the luggage transport tricycle seen from diagonally forward. 斜め後方から見た荷物運搬三輪車の斜視図である。It is a perspective view of the luggage carrier tricycle seen from diagonally back. 斜め後方から見た荷台部を折り畳んだ荷物運搬三輪車の斜視図である。It is a perspective view of the luggage carrier tricycle which folded the bed part seen from diagonally back. 斜め前方から見た荷台部を折り畳んだ荷物運搬三輪車の斜視図である。It is a perspective view of the luggage carrier tricycle which folded the bed part seen from diagonally forward. 荷台部の斜視図である。It is a perspective view of a loading platform part. 結合部の斜視図である。It is a perspective view of a coupling part. 斜め前方から見た荷台部を折り畳んだ別の荷物運搬三輪車の斜視図である。It is a perspective view of another luggage carrier tricycle which folded the bed part seen from diagonally forward. 図９の荷物運搬三輪車の荷台部を折り畳み始める状態を示す斜め後方から見た斜視図である。It is the perspective view seen from the diagonally back which shows the state which begins to fold the loading platform part of the luggage transport tricycle of FIG. さらに別の荷物運搬三輪車の荷台部を折り畳む途中の状態を示す斜め後方から見た斜視図である。It is the perspective view seen from the slanting back which shows the state in the middle of folding the loading platform part of another load-carrying tricycle. 荷台板結合具の斜視図である。It is a perspective view of a carrier board coupling tool. 荷台板結合具を荷台板にねじで蝶着し荷台を固定状態とした斜視図である。It is the perspective view which made the loading platform fixed with the loading platform fixed to the loading platform with the screw. 荷台板結合具を荷台板にねじで蝶着し荷台を折り畳み状態とした斜視図である。It is the perspective view which made the loading platform folded by attaching the loading platform binding tool to the loading platform with a screw.

以下、本発明の実施の形態について、図を参照して説明する。なお、本実施形態は一例に過ぎず、これに限定されるものではない。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, this embodiment is only an example and is not limited to this.

図１、３、４は、本発明の荷台部を使用状態にした荷物運搬三輪車を示し、図２、５、６は、荷台部を折り畳んだ状態の荷物運搬三輪車を示しており、前側の荷台部（荷物運搬車）Ａ、後ろ側の本体部Ｂとからなる。なお、駆動装置や制動装置等は通常の自転車、電動アシスト自転車、原動機付自転車等で用いられている装置を用いる事ができるので、その一部については図示せず説明も省略した。   1, 3, and 4 show a luggage carrying tricycle with the loading platform of the present invention in use, and FIGS. 2, 5, and 6 show the luggage carrying tricycle with the loading platform folded, and the front loading platform Part (luggage carrier) A and main body part B on the back side. In addition, since a drive device, a braking device, etc. can use the apparatus used with a normal bicycle, an electrically-assisted bicycle, a motorbike, etc., the one part was not shown in figure and description was abbreviate | omitted.

本体部Ｂは、メインフレーム６、駆動輪７からなり、前後連結部８（図１０に示す）を介して荷台部Ａと回動自在に連結され、荷台部Ａのサイドフレーム１に設けた一組のハンドル９１、ペダル９２、サドル９３等により自転車と同様に走行することができる。なお、図９、１０に示す別の荷物運搬三輪車のようにハンドルを設置せず固定フレーム２の上枠を握ったり、図１１に示すさらに別の荷物運搬三輪車のようにハンドルを固定フレームの上枠と兼用して、折り畳み時に中央で分割するようにしてもよい。   The main body B is composed of a main frame 6 and drive wheels 7 and is pivotally connected to the cargo bed portion A via a front / rear connecting portion 8 (shown in FIG. 10), and is provided on the side frame 1 of the cargo bed portion A. A pair of steering wheel 91, pedal 92, saddle 93 and the like can be used to travel in the same manner as a bicycle. It should be noted that the handle is not installed like the other luggage transport tricycle shown in FIGS. 9 and 10, but the upper frame of the fixed frame 2 is gripped, or the handle is mounted on the fixed frame like the other load transport tricycle shown in FIG. It may also be used as a frame and divided at the center when folded.

ブレーキ（制動装置）については図示しないが、前輪４及び又は駆動輪（後輪）に通常使用されるものが装着され、駆動装置としては、通常のチェーンやギアを介して駆動されるものでよく。電動アシスト装置や内燃機関、電動機が装着されてもいてもよい。 Although the brake (braking device) is not shown in the drawing, the front wheel 4 and / or the driving wheel (rear wheel) are usually used, and the driving device may be driven via a normal chain or gear. . An electric assist device, an internal combustion engine, or an electric motor may be attached.

図７は、荷台部（荷物運搬車）Ａの主要部分を示した斜視図（構造を分かり易く示すために前輪、荷台板を省略している）を示しており、左右一組のサイドフレーム１、固定フレーム２、結合部３とからなり、左右のサイドフレーム１がその間に結合部３を介して折畳み自在に結合される。結合部３は荷台部Ａのベースとなる部分で、左右一組のサイドフレーム１と連結する連結部３２や本体部Ｂと連結する前後連結部８が設置されている。   FIG. 7 shows a perspective view (a front wheel and a loading plate are omitted for easy understanding of the structure) showing a main part of the loading platform (loading vehicle) A, and a pair of left and right side frames 1. The left and right side frames 1 are foldably coupled to each other via the coupling part 3. The connecting portion 3 is a portion that becomes a base of the loading platform portion A, and a connecting portion 32 that is connected to the pair of left and right side frames 1 and a front and rear connecting portion 8 that is connected to the main body portion B are installed.

図８は結合部３だけを抜き出して示した斜視図で、いわゆるパンタグラフと呼ばれる構造であり、左支持部３１Ｌと右連結部３２Ｒ及び右支持部３１Ｒと左連結部３２Ｌがそれぞれ一対の横連結部３３で連結される。横連結部３３の略中央に貫通孔を設けると共に交差させ、重ねた貫通孔の外側に交差結合部３５１を重ねてネジで結合軸３５に回動自在に螺合する。なお、支持部３１と、連結部３２、一対の横連結部３３からなる左右2つの枠体は、一方が他方の内側に入り込んで交差するように形成され、例えば金属パイプの溶接によって形成される。 FIG. 8 is a perspective view showing only the coupling portion 3 extracted, and is a so-called pantograph structure, in which the left support portion 31L and the right connection portion 32R, and the right support portion 31R and the left connection portion 32L are each a pair of lateral connection portions. 33 are connected. A through hole is provided at substantially the center of the horizontal connecting portion 33 and crossed, and a cross coupling portion 351 is overlapped on the outside of the overlapped through hole and is screwed to the coupling shaft 35 with a screw so as to be rotatable. The left and right two frames comprising the support portion 31, the connecting portion 32, and the pair of horizontal connecting portions 33 are formed so that one enters the other and intersects the other, and is formed, for example, by welding a metal pipe. .

本実施形態では、連結部３２は前後方向にパイプ状になっており、パイプが前後の横連結部３３と連結し、パイプの一部が回動自在にサイドフレーム１の下枠１５と結合している。なお、連結部３２はパイプである必要はなく、図１１に示すように、特に形状や構造は限定しないが、横連結部３３と下枠１５が直接回動自在に連結する連結部３２でもよい。 In the present embodiment, the connecting portion 32 has a pipe shape in the front-rear direction, the pipe is connected to the front and rear horizontal connecting portions 33, and a part of the pipe is rotatably connected to the lower frame 15 of the side frame 1. ing. The connecting portion 32 does not need to be a pipe, and as shown in FIG. 11, the shape and structure are not particularly limited, but may be a connecting portion 32 in which the horizontal connecting portion 33 and the lower frame 15 are directly connected to be freely rotatable. .

本実施形態では、結合軸３５から上方に突設する荷台受部支持片３４２と荷台板５を受ける荷台受上部３４１とからなる荷台受部３４が設けられており、荷台部の車幅中央で荷台板５を支持している。これによって、荷台板上に重量物を積んでも十分な強度を有し、荷台板５が大きく撓んだり変形したりし難い構造を形成できるが、例えば、荷台板５を水平状態にした際に、荷台板５が下方に撓まないような工夫をすれば、特に必須ということではない。 In the present embodiment, there is provided a loading platform receiving portion 34 including a loading platform receiving portion support piece 342 projecting upward from the coupling shaft 35 and a loading platform receiving upper portion 341 that receives the loading platform plate 5, and at the center of the vehicle width of the loading platform portion. The carrier plate 5 is supported. Accordingly, a structure can be formed that has sufficient strength even when a heavy object is stacked on the carrier plate and is difficult to bend or deform greatly. For example, when the carrier plate 5 is in a horizontal state, If the contrivance plate 5 is devised so as not to bend downward, it is not essential.

例えば、荷台受部３４がなくても、図１２に示す荷台板結合具を図１３及び図１４に示すように一対の荷台板５の前後部の端部にねじで蝶着することで、荷台を固定状態（図１３）と折り畳み状態（図１４）にすることができ、実用上十分な荷物を積むことができる。   For example, even if there is no loading platform receiving part 34, the loading platform plate coupling tool shown in FIG. 12 is hinged to the ends of the front and rear portions of the pair of loading platform plates 5 as shown in FIGS. Can be in a fixed state (FIG. 13) and a folded state (FIG. 14), and a practically sufficient load can be loaded.

荷台部Ａを形成するサイドフレーム１は、基本的に左右対称形のものが一組用意され、上枠１２、縦枠１３、中枠１４、下枠１５、補助枠１６から構成され、本実施形態では、中枠１４に並列して支持部受部１１が装着され、支持部３１を下から支持している。なお、支持部受部１１は中枠１４に並列する必要はなく、前後の縦枠１３に設置される構造であってもよい。
一方、前記説明したように、サイドフレーム１と結合部３を連結する連結部３２は横連結部３３を介して逆方向のサイドフレーム１の下枠１５に連結金具により回転自在に連結される。 The side frame 1 forming the loading platform A basically has a pair of symmetrical ones, and is composed of an upper frame 12, a vertical frame 13, a middle frame 14, a lower frame 15, and an auxiliary frame 16. In the embodiment, the support portion receiving portion 11 is mounted in parallel with the middle frame 14 to support the support portion 31 from below. In addition, the support part receiving part 11 does not need to be parallel to the middle frame 14, and the structure installed in the front and back vertical frames 13 may be sufficient.
On the other hand, as described above, the connecting portion 32 that connects the side frame 1 and the coupling portion 3 is rotatably connected to the lower frame 15 of the side frame 1 in the reverse direction via the horizontal connecting portion 33 by the connecting bracket.

これによって、左右のサイドフレーム１が結合部３を介して連結され、前記の通り、支持部３１が支持部受部１１に載置支持されることによって荷台部Ａが構成されると共に、支持部３１を支持受部１１から外して結合軸３５を中心に左右一組の支持部３１が接近するように上方に向かって回転させることで、左右一組のサイドフレーム１が車幅方向に移動して荷台部Ａを簡単に折畳むことができる。 As a result, the left and right side frames 1 are connected to each other via the coupling portion 3, and as described above, the support portion 31 is placed and supported on the support portion receiving portion 11 to form the loading platform A, and the support portion. The pair of left and right side frames 1 are moved in the vehicle width direction by removing 31 from the support receiving portion 11 and rotating upward about the coupling shaft 35 so that the pair of left and right support portions 31 approach each other. Thus, the loading platform A can be easily folded.

左右一対の荷台板５の一端側は、左右一対の支持部３１に回動自在に軸着され、荷台板５の他端側は前記荷台板結合具で蝶着されているので、荷台部Ａのセッティングと折り畳みに伴って、荷台板５も自動的にセッティングと折り畳みが行える。   One end side of the pair of left and right cargo bed plates 5 is pivotally attached to the pair of left and right support portions 31, and the other end side of the cargo bed plate 5 is hinged by the cargo bed plate coupling tool. The loading platform 5 can be automatically set and folded along with the setting and folding.

なお、荷台板５は前記のように支持部３１に軸着せず、その手段は問わないがサイドフレーム１の中枠１４に回動自在に固定しても良い。この場合は、荷台板５のセッティングと折り畳みを自動的にはできないが、折り畳んだ際に荷台板５が上方に高く突出せず、サイドフレーム１の枠内にコンパクトに収めることができる。   Note that the carrier plate 5 is not pivotally attached to the support portion 31 as described above, and may be fixed to the middle frame 14 of the side frame 1 so as to be rotatable, although the means is not limited. In this case, the loading plate 5 cannot be automatically set and folded, but when folded, the loading plate 5 does not protrude high upward and can be stored compactly in the frame of the side frame 1.

前輪４をサイドフレーム１に固定するために、中枠１４と下枠１５の間には、前輪車軸を固定するための車軸固定部４１が設けられる。なお、前輪４を固定することができれば、形状や取付位置等は限定されない。図１、図２に記載の車軸固定部４１は、下枠１５から略Ｌ字状に突設した形状をしており、左側と右側は対称形に形成される。 In order to fix the front wheel 4 to the side frame 1, an axle fixing portion 41 for fixing the front wheel axle is provided between the middle frame 14 and the lower frame 15. In addition, if a front wheel 4 can be fixed, a shape, an attachment position, etc. will not be limited. The axle fixing portion 41 shown in FIGS. 1 and 2 has a shape protruding from the lower frame 15 in a substantially L shape, and the left side and the right side are formed symmetrically.

左右の支持部３１をそれぞれ左右の支持部受部１１で下から支持することにより、荷台受部３４に載置した荷台板５に積載した荷物の加重で左右の支持部３１が支持部受部１１に圧着されて、荷台部Ａを使用状態に固定できる。一方、左右の支持部３１を支持部受部１１から外して（支持部３１を上方に持ち上げて）、左右のサイドフレーム１を幅方向に近接するように畳むと、左右のサイドフレーム１の下枠１５に連結された左右の連結部３２と横連結部３３で連結された左右の支持部３１が、それぞれパンタグラフ構造により連動してさらに上方に持ち上がり荷台部Ａを折畳むことができる。   The left and right support portions 31 are supported by the left and right support portion receiving portions 11 from below, so that the left and right support portions 31 are supported by the load of the load loaded on the cargo bed plate 5 placed on the load receiving portion 34. 11, the loading platform A can be fixed in use. On the other hand, when the left and right support portions 31 are removed from the support portion receiving portions 11 (the support portions 31 are lifted upward) and the left and right side frames 1 are folded close to each other in the width direction, The left and right connecting portions 32 connected to the frame 15 and the left and right support portions 31 connected by the horizontal connecting portion 33 can be lifted further in conjunction with the pantograph structure to fold the loading platform A.

固定フレーム３は、一方の縦桟３５が左サイドフレーム１の縦枠１３にヒンジ３２（図３では上下２か所）を介して回動すると共に、他方の縦桟３５が右サイドフレーム２の縦枠１３との間で係止部３１を設けており、固定フレーム３と右サイドフレーム１とを係止部３１で係止させることで、支持部３１を支持部受部１１に圧接するだけでなく、荷台部Ａを使用状態でより確実に固定することができる。また、荷台部Ａを折り畳む際には、ヒンジ３２でサイドフレーム１の内側に回動させることにより、荷台部Ａを折り畳むことができる。なお、ハンドルの所で一部説明したが、図１１に示すように固定フレーム３をヒンジで回動させるのではなく、中央部分で折り畳むようにしても便利である。 In the fixed frame 3, one vertical bar 35 rotates to the vertical frame 13 of the left side frame 1 via hinges 32 (upper and lower two places in FIG. 3), and the other vertical bar 35 corresponds to the right side frame 2. An engaging portion 31 is provided between the vertical frame 13 and the supporting portion 31 is merely pressed against the supporting portion receiving portion 11 by engaging the fixed frame 3 and the right side frame 1 with the engaging portion 31. In addition, the loading platform A can be more reliably fixed in use. Moreover, when folding the loading platform A, the loading platform A can be folded by rotating the loading platform A to the inside of the side frame 1 with the hinge 32. Although a part of the description has been given at the handle, it is convenient to fold the fixed frame 3 at the center portion instead of rotating it with the hinge as shown in FIG.

以上、説明したように、本発明の折畳み式荷物運搬車が左右一組のサイドフレーム、固定フレーム、結合部及び左右一組の車輪とからなるものであれば、細部の構造に限定されるものではない。例えば、荷台に積んだ荷物が落下しないように、固定フレームとは対称位置となる前面側に、簡易的な網を設けたり別途フレームを設けても良い。また、小さな荷物でも落下しない様に、サイドフレーム、固定フレーム部分に板材や布・樹脂等のシート材を貼っても良い。   As described above, as long as the folding luggage carrier of the present invention is composed of a pair of left and right side frames, a fixed frame, a coupling portion, and a pair of left and right wheels, the structure is limited to a detailed structure. is not. For example, a simple net or a separate frame may be provided on the front side that is symmetrical to the fixed frame so that the cargo loaded on the loading platform does not fall. Further, a sheet material such as a plate material, cloth or resin may be affixed to the side frame and the fixed frame portion so that even a small load does not fall.

上記実施形態では、折畳み式荷物運搬車の後部に結合部とメインフレームとを前後連結部で回動自在に連結することで、自転車型の折畳み式荷物運搬三輪車について説明したが、荷台部と本体部が前後で連結していればどのような形状のものでも良いし、内燃機関や電動機を設けた自動三輪車でも良い。また、駆動輪（後輪）が無く、前の荷台部だけのリアカーのような折畳み式荷物運搬車だけでももちろん良い。 In the above-described embodiment, the bicycle-type folding luggage transport tricycle has been described by connecting the coupling portion and the main frame to the rear portion of the folding luggage transporter with the front and rear connection portions so as to be freely rotatable. Any shape may be used as long as the parts are connected in the front-rear direction, and a motor tricycle provided with an internal combustion engine or an electric motor may be used. Of course, only a foldable luggage carrier such as a rear car having only a front cargo bed portion without driving wheels (rear wheels) may be used.

本発明による折畳み式荷物運搬車及び折畳み式荷物運搬三輪車によれば、荷台部を簡単な操作で折り畳むことができ、トラックの荷台に積んだり、狭い場所に駐輪することも容易にできるので、トラックによる荷物運搬の補助車両として有用である。   According to the foldable luggage carrier and the foldable luggage carrier tricycle according to the present invention, the loading platform can be folded by a simple operation, and can be easily loaded on the truck loading platform or parked in a narrow place. It is useful as an auxiliary vehicle for carrying goods by truck.

Ａ．荷台部（荷物運搬車）
Ｂ．本体部
１ サイドフレーム
１１．支持部受部
１５．下枠
１８．連結金具
２．固定フレーム
３．結合部
３１．支持部
３２．連結部
３３．横連結部
３４．荷台受部
３５．結合軸
４．前輪
５．荷台板
６．メインフレーム
７．駆動輪（後輪）
８．前後連結部


A. Loading platform (luggage truck)
B. Main body 1 Side frame 11. Support part receiving part 15. Bottom frame
18. Connecting bracket 2. Fixed frame
3. Joint
31. Supporting part
32. Connecting part
33. Horizontal connecting portion 34. Loading platform receiving portion 35. Coupling axis
4). front wheel
5. Loading platform plate6. Main frame 7. Driving wheel (rear wheel)
8). Front / rear connecting part

すなわち請求項１の発明の折畳み式荷物運搬車は、左右一組のサイドフレーム、固定フレーム、結合部及び左右一組の車輪とからなる荷物運搬車において、結合部は、左支持部が右連結部と、右支持部が左連結部と、夫々横連結部で連結されると共に、前記２組の横連結部を略中央で交差させ前側の横連結部と後側の横連結部との間を結合する結合軸で回動自在に軸着され、前記左右一組の連結部を夫々一組のサイドフレームの下枠に回転自在に固定し、前記左右一組の支持部を夫々一組のサイドフレームに設けられた支持受部に係止することにより荷台を形成する一方で、左右一組の支持部を支持受部から外して結合軸を中心に左右一組の支持部が接近するように回転して左右一組のサイドフレームが車幅方向に移動して荷台が折畳まれることを特徴とする。 That is, the foldable luggage carrier of the invention of claim 1 is a luggage carrier comprising a pair of left and right side frames, a fixed frame, a coupling portion and a pair of left and right wheels. And the right support portion are connected to the left connecting portion by the horizontal connecting portion, respectively, and the two sets of horizontal connecting portions are crossed at a substantially central position between the front side connecting portion and the rear side connecting portion. The pair of left and right connecting parts are rotatably fixed to the lower frame of the pair of side frames, respectively, and the pair of left and right support parts are respectively paired with a pair of support parts. While the loading platform is formed by locking to the support receiving portion provided on the side frame, the pair of left and right support portions are removed from the support receiving portion so that the pair of left and right support portions approach each other around the coupling axis. The pair of left and right side frames move in the vehicle width direction and the cargo bed is folded And wherein the door.

以上説明したように、請求項１の発明では、左右一組のサイドフレーム、固定フレーム、結合部及び左右一組の車輪とからなる荷物運搬車は、当該結合部において、左支持部が右連結部と、右支持部が左連結部と、夫々横連結部で連結されると共に、前記２組の横連結部を略中央で交差させ結合軸で回動自在に軸着され、前記左右一組の連結部を夫々一組のサイドフレームの下枠に回転自在に固定しているので、前記左右一組の支持部を夫々一組のサイドフレームに設けられた支持受部に係止することにより荷台を形成した形で維持できる一方で、支持部を支持受部から外して結合軸を中心に左右一組の支持部が接近するように回転させることで、左右一組のサイドフレームが車幅方向に移動して荷台を簡単に折畳むことができる。
また、２組の横連結部を略中央で交差させ前側の横連結部と後側の横連結部との間を結合する結合軸で回動自在に軸着されているので、折り畳み作業を繰り返しても結合部は強固に維持される。 As described above, according to the first aspect of the present invention, in the luggage transport vehicle including the pair of left and right side frames, the fixed frame, the coupling portion, and the pair of left and right wheels, the left support portion is connected to the right side in the coupling portion. And the right support portion are connected to the left connecting portion by a horizontal connecting portion, respectively, and the two sets of horizontal connecting portions intersect at a substantially center and are pivotally attached to a connecting shaft so that the left and right sets are connected. Are connected to the lower frame of a set of side frames, respectively, so that the set of left and right support portions are respectively locked to the support receiving portions provided on the set of side frames. While it can be maintained in the form of a loading platform, the support part is removed from the support receiving part and rotated so that the pair of left and right support parts approach each other around the coupling axis, so that the pair of left and right side frames can The platform can be easily folded by moving in the direction.
In addition, since the two sets of horizontal connecting portions intersect each other substantially at the center and are pivotally mounted by a connecting shaft that connects between the front side connecting portion and the rear side connecting portion, the folding operation is repeated. Even so, the joint is maintained firmly.

Claims (6)

左右一組のサイドフレーム、固定フレーム、結合部及び左右一組の車輪とからなる荷物運搬車において、結合部は、左支持部が右連結部と、右支持部が左連結部と、夫々横連結部で連結されると共に、前記２組の横連結部を略中央で交差させ結合軸で回動自在に軸着され、前記左右一組の連結部を夫々一組のサイドフレームの下枠に回転自在に固定し、前記左右一組の支持部を夫々一組のサイドフレームに設けられた支持受部に係止することにより荷台を形成する一方で、結合軸を中心に左右一組の支持部が接近するように回転して左右一組のサイドフレームが車幅方向に移動して荷台が折畳まれることを特徴とする折畳み式荷物運搬車。 In a luggage carrier consisting of a pair of left and right side frames, a fixed frame, a coupling part, and a pair of left and right wheels, the coupling part has a left support part on the right connection part and a right support part on the left connection part. In addition to being connected by a connecting portion, the two sets of horizontal connecting portions intersect each other substantially at the center and are pivotally mounted by a connecting shaft, and the left and right sets of connecting portions are respectively attached to lower frames of a set of side frames. A pair of left and right supports centering on the coupling shaft is formed, while being fixed in a freely rotatable manner, and the left and right set of support portions are respectively locked to support receiving portions provided on a set of side frames. A foldable luggage carrier characterized in that the pair of left and right side frames move in the vehicle width direction and the cargo bed is folded by rotating so as to approach each other. 一方のサイドフレームの縦枠に回動自在に装着し、他方のサイドフレームに脱着自在に固定可能な固定フレームを装着したことを特徴とする請求項１に記載の折畳み式荷物運搬車。 The folding luggage carrier according to claim 1, further comprising a fixed frame that is rotatably attached to a vertical frame of one side frame and is detachably fixed to the other side frame. 左右一組のサイドフレームの少なくとも一方の支持受部近傍に荷台板の一端を回動自在に装着したことを特徴とする請求項１又は２に記載の折畳み式荷物運搬車 The folding luggage carrier according to claim 1 or 2, wherein one end of a cargo bed plate is rotatably mounted in the vicinity of at least one support receiving portion of the pair of left and right side frames. 左右一組の支持部に荷台板の一端を回動自在に装着したことを特徴とする請求項１又は２に記載の折畳み式荷物運搬車 The folding luggage carrier according to claim 1 or 2, wherein one end of a cargo bed is rotatably mounted on a pair of left and right support portions. 結合軸の上方に荷台板を支持する荷台受部を設けたことを特徴とする請求項１乃至４に記載の折畳み式荷物運搬車。 The foldable luggage carrier according to any one of claims 1 to 4, further comprising a loading platform receiving portion that supports the loading platform plate above the coupling shaft. 請求項１乃至５に記載の荷物運搬車とメインフレームと駆動輪とからなり、結合部とメインフレームとが前後連結部で回動自在に連結したことを特徴とする折畳み式荷物運搬三輪車。
6. A foldable luggage transport tricycle comprising the luggage transport vehicle according to claim 1, a main frame, and a drive wheel, wherein the coupling portion and the main frame are rotatably connected by a front and rear connection portion.

Images