JP6592323B2 - Rear car - Google Patents

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JP6592323B2
JP6592323B2 JP2015200511A JP2015200511A JP6592323B2 JP 6592323 B2 JP6592323 B2 JP 6592323B2 JP 2015200511 A JP2015200511 A JP 2015200511A JP 2015200511 A JP2015200511 A JP 2015200511A JP 6592323 B2 JP6592323 B2 JP 6592323B2
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tire wheel
rear car
tire
wall member
side wall
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JP2017071345A (en
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内山　隆
隆 内山
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株式会社内山商会
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/04—Braking mechanisms; Locking devices against movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B1/00—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
    • B62B1/008—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor having a prop or stand for maintaining position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B1/00—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
    • B62B1/10—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)

Description

本発明は、各種荷物等を運搬する際に使用されるリヤカーに係わり、特に駐輪時のタイヤ車輪の回転を規制可能なリヤカーに関する。   The present invention relates to a rear car used for transporting various kinds of luggage and the like, and more particularly, to a rear car capable of regulating the rotation of tire wheels during parking.

従来、各種荷物等の運搬車として使用されるリヤカーは、例えば特許文献１に開示されている。このリヤカーは、荷物が積載される平坦な荷台部と、この荷台部の幅方向両側に配設された側部と、荷台部の前後に配設された前部及び後部と、側部の前端に配設された牽引ハンドル等で構成されている。また、側部外面にはタイヤ車輪がそれぞれ回転自在に取り付けられると共に、側部の前部両端の下面には路面に当接可能な脚がそれぞれ配設されている。   Conventionally, a rear car used as a transport vehicle for various kinds of luggage is disclosed in, for example, Patent Document 1. The rear car includes a flat loading platform on which loads are loaded, side portions disposed on both sides in the width direction of the loading platform, front and rear portions disposed before and after the loading platform, and a front end of the side portion. It is comprised by the tow handle etc. which were arrange | positioned. In addition, tire wheels are rotatably attached to the outer surface of the side portion, and legs that can contact the road surface are disposed on the lower surfaces of both front ends of the side portion.

特開平９−３９７９６号公報JP 9-99796 A

しかしながら、このようなリヤカーにあっては、側部外面に配設されるタイヤ車輪が常に回転自在となっていることから、リヤカーを駐輪する場合、牽引ハンドルを下げて脚を路面に当接させることで行っている。そのため、例えばリヤカーを傾斜した路面に駐車した際に、路面が雨等で濡れて滑り易かったり、あるいは荷台に積載される荷物の重心位置がタイヤ車輪の中心位置より後方側に片寄ってる時等に、脚の路面に対する当接力（接触圧力）が弱くなってリヤカーが路面の傾斜に沿って移動してしまう虞があり、リヤカーを所定位置に確実に駐輪することが困難な場合がある。 However, in such a rear car, the tire wheels arranged on the outer surface of the side are always rotatable, so when parking the rear car, the traction handle is lowered and the legs are brought into contact with the road surface. It is done by letting. For this reason, for example, when the rear car is parked on an inclined road surface, the road surface gets wet due to rain, etc. The contact force (contact pressure) of the legs with respect to the road surface may be weakened and the rear car may move along the slope of the road surface, and it may be difficult to securely park the rear car at a predetermined position.

また、路面に当接する脚が荷台の前部下面にのみ配設されているため、例えば荷台の後部から重たい荷物を積載しようとした際に、荷台の後部が下方に傾斜して路面に当接すると共に牽引ハンドルが上方に急に回動することがあり、例えば２人での積載作業が必要になったり積載作業に細心の注意を払う必要がある等、リヤカーの使い勝手が劣る場合がある。   Further, since the legs that contact the road surface are disposed only on the lower surface of the front part of the cargo bed, for example, when a heavy load is to be loaded from the rear part of the cargo bed, the rear part of the cargo bed is inclined downward and comes into contact with the road surface. At the same time, the traction handle may suddenly rotate upward, and the rear car may be inconvenient, for example, when two people need to perform loading work or pay close attention to the loading work.

本発明は、このような事情に鑑みてなされたもので、その目的は、タイヤ車輪の回転を規制できて、路面の形態に係わらず安定した駐輪状態を容易に得ることが可能なリヤカーを提供することにある。また、他の目的は、前記目的に加え、荷物積載時の荷台部後部の路面への当接を規制して、積載作業が容易かつ安全に行えて使い勝手が優れたリヤカーを提供することにある。   The present invention has been made in view of such circumstances, and an object of the present invention is to provide a rear car that can regulate the rotation of tire wheels and can easily obtain a stable parking state regardless of the form of the road surface. It is to provide. In addition to the above object, another object is to provide a rear car that regulates the contact of the rear part of the loading platform to the road surface when loading the load, and can perform loading work easily and safely and has excellent usability. .

かかる目的を達成すべく、本発明のうち請求項１に記載の発明は、平坦な荷台部と、該荷台部の幅方向両側に配設されて外面にタイヤ車輪が回転自在に取り付けられる左右一対の側壁部材と、該側壁部材の先端下部に配設される脚と、前記荷台部の前後に配設される前壁部材及び後壁部材と、前記荷台部の前端両側に配設されるハンドルと、を備え、前記タイヤ車輪の前方で前記ハンドルとの間の前記一対の側壁部材の一方の外面に、前記タイヤ車輪の回転を規制する駐輪機構を配設し、当該駐輪機構は、前記一方の外面に配設された操作部を引き上げ操作することで、当該操作部に連結されたリンク機構に設けたタイヤ押圧部がタイヤ車輪方向に移動し当該タイヤ車輪の外周面に当接してその回転を規制することを特徴とする。 To achieve the above object, the invention according to claim 1 of the present invention includes a bed portion Tan Taira, are disposed on both sides in the width direction of該荷base portion wheels of the outer surface is rotatably mounted A pair of left and right side wall members, a leg disposed at the lower end of the side wall member, a front wall member and a rear wall member disposed before and after the loading platform, and disposed on both sides of the front end of the loading platform. that includes a handle and, the, outside surfaces of the hand of the pair of side wall members between the handle in front of the tire wheel, and arranged bicycle mechanism for restricting the rotation of the tire wheel, the stationed The wheel mechanism pulls up the operation part disposed on the one outer surface, so that the tire pressing part provided in the link mechanism connected to the operation part moves in the tire wheel direction and the outer peripheral surface of the tire wheel. It is characterized in that the rotation is restricted by abutting on the surface.

また、請求項２に記載の発明は、前記駐輪機構の前記タイヤ押圧部が前記タイヤ車輪の軸芯を結ぶ水平線よりハンドル側の下半分の外周面に当接することを特徴とする The invention according to claim 2 is characterized in that the tire pressing portion of the parking mechanism abuts on the outer peripheral surface of the lower half of the handle side from a horizontal line connecting the axis of the tire wheel.

また、請求項３に記載の発明は、前記荷台部の後端両側部分の下面に、荷台部後端の路面方向への傾動を規制する傾動防止機構を折り畳み可能に配設し、当該傾動防止機構のロッドの当接板下端の高さ位置が前記脚の高さより所定寸法高く設定されていることを特徴とする。 Also, an invention according to claim 3, the lower surface of the rear end side portions of the cargo unit, arranged foldable tilting preventing mechanism for regulating the tilt in the road surface direction of the loading platform rear end, the tilting The height position of the lower end of the contact plate of the rod of the prevention mechanism is set to be higher by a predetermined dimension than the height of the leg .

本発明のうち請求項１に記載の発明によれば、タイヤ車輪の前方でハンドルとの間の所定の側壁部材の外面に、操作部の操作でタイヤ押圧部が移動することにより、タイヤ押圧部がタイヤ車輪の外周面に当接してタイヤ車輪の回転を規制する駐輪機構を配設しているため、ハンドル近傍に配設された駐輪機構を作動させることで、タイヤ車輪の回転を規制（阻止）できて、路面の形態に係わらずリヤカーの安定した駐輪状態を容易に得ることができる。 According to the invention described in claim 1 of the present invention, the outer surface of a given side wall member between the handle in front of the tire wheels, by the tire pressing portion moves in operation of the operating section, the tire pressing Since the wheel parking mechanism that regulates the rotation of the tire wheel is provided by contacting the outer peripheral surface of the tire wheel, the rotation of the tire wheel is controlled by operating the parking mechanism disposed near the handle. It can be regulated (blocked), and a stable parking state of the rear car can be easily obtained regardless of the form of the road surface.

また、駐輪機構の操作部を引き上げ操作することで、操作部に連結されたリンク機構のタイヤ押圧部がタイヤ車輪方向に移動して当該タイヤ車輪の外周面に当接するため、駐輪機構をリンク機構で構成できて、構成簡易で安価に形成できると共に駐輪機構の操作性を向上させることができる。 Also , by pulling up the operating part of the parking mechanism, the tire pressing part of the link mechanism connected to the operating part moves in the direction of the tire wheel and comes into contact with the outer peripheral surface of the tire wheel. Since it can be configured with a link mechanism, it can be formed simply and inexpensively, and the operability of the parking mechanism can be improved.

また、請求項２に記載の発明によれば、請求項１に記載の発明の効果に加え、駐輪機構のタイヤ押圧部がタイヤ車輪の軸芯を結ぶ水平線よりハンドル側の下半分の外周面に当接するため、タイヤ車輪の回転を確実かつ効果的に阻止して、一層安定した駐輪状態を容易に得ることができる。 According to the invention described in claim 2 , in addition to the effect of the invention described in claim 1, the outer peripheral surface of the lower half of the steering wheel side of the horizontal line connecting the tire pressing portion of the parking mechanism to the axis of the tire wheel. Therefore, the rotation of the tire wheel can be reliably and effectively prevented, and a more stable parking state can be easily obtained.

さらに、請求項３に記載の発明によれば、請求項１または２に記載の発明の効果に加え、荷台部の後端両側部分の下面に、荷台部後端の路面方向への傾動を規制する傾動防止機構を折り畳み可能に配設しているため、荷物の積載時に傾動防止機構を作動させることにより、荷台部後部の傾動による路面への当接を規制（阻止）できて、積載作業を一人でも容易かつ安全に行うことができる等、使い勝手に優れたリヤカーを得ることができる。 Further, according to the invention described in claim 3 , in addition to the effect of the invention described in claim 1 or 2 , the tilt of the rear end of the load carrier part in the road surface direction is restricted on the lower surface of both sides of the rear end of the load carrier part. The anti-tilt mechanism that folds is arranged so that it can be folded. By operating the anti-tilt mechanism when loading the load, it is possible to regulate (block) the contact with the road surface due to the tilt of the rear part of the loading platform, and to A rear car with excellent usability can be obtained, for example, it can be done easily and safely by one person.

本発明に係わるリヤカーの一実施形態を示す斜視図The perspective view which shows one Embodiment of the rear car concerning this invention 同その平面図The top view 同側面図Side view 同駐輪機構の正面図Front view of the bicycle parking mechanism 同傾動防止機構の斜視図Perspective view of the tilt prevention mechanism

以下、本発明を実施するための形態を図面に基づいて詳細に説明する。
図１〜図５は、本発明に係わるリヤカーの一実施形態を示している。図１〜図３に示すように、リヤカー１は、平面視長方形状の荷台部２と、この荷台部２の幅方向両側に立設された一対の側壁部材３と、この側壁部材３の前後端部間に立設状態で配設された前壁部材４及び後壁部材５と、前記両側壁部材３の前端部に配設されてリヤカー１を前方もしくは後方に移動させるためのハンドル６等を備え、これらが後述する如く折り畳み可能に構成されている。 DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings.
1 to 5 show an embodiment of a rear car according to the present invention. As shown in FIGS. 1 to 3, the rear car 1 includes a cargo bed portion 2 having a rectangular shape in plan view, a pair of side wall members 3 erected on both sides in the width direction of the cargo bed portion 2, and front and rear sides of the side wall member 3. A front wall member 4 and a rear wall member 5 disposed between the end portions in a standing state, a handle 6 disposed at the front end portion of the both side wall members 3 for moving the rear car 1 forward or backward, and the like These are configured to be foldable as will be described later.

また、前記左右一対の側壁部材３の外面には、該側壁部材３に車輪フレーム７で支持及び保護されたチューブレスタイヤを有するタイヤ車輪８がそれぞれ回転自在に取り付けられている。そして、このリヤカー１は、各部材が折り畳み可能に構成されている。すなわち、前記荷台部２は、幅方向の中央位置で裏面に設けたヒンジにより上方に山型に折り畳み可能とされ、この荷台部２の幅方向両端部に前記側壁部材３の下端がヒンジによりそれぞれ折り畳み可能（回動可能）に連結されている。   Further, tire wheels 8 each having a tubeless tire supported and protected by a wheel frame 7 are rotatably attached to the outer surfaces of the pair of left and right side wall members 3. And this rear car 1 is comprised so that each member can be folded. That is, the loading platform 2 can be folded upward in a mountain shape by a hinge provided on the back surface at the center in the width direction, and the lower ends of the side wall members 3 are respectively hinged at both ends of the loading platform 2 in the width direction. It is connected so that it can be folded (rotatable).

また、前記前壁部材４と後壁部材５は、左右の縦枠９とこの縦枠９の上下を連結する横枠１０等をそれぞれ有して、縦枠９が各側壁部材３の前後端部に内側に向けて設けた断面コ字状の支持板１１に上方から脱着可能に嵌め込み支持されている。また、前壁部材４と後壁部材５の幅方向両端の上部には、本発明のリヤカー１上に、図２及び図３の二点鎖線で示す担架１２を載置するための係止部１３がそれぞれ設けられている。   Each of the front wall member 4 and the rear wall member 5 has a left and right vertical frame 9 and a horizontal frame 10 connecting the upper and lower sides of the vertical frame 9. The vertical frame 9 is a front and rear end of each side wall member 3. A support plate 11 having a U-shaped cross section provided inwardly on the part is fitted and supported so as to be detachable from above. Further, locking portions for placing the stretcher 12 indicated by the two-dot chain line in FIGS. 2 and 3 on the rear car 1 of the present invention at the upper part of the widthwise ends of the front wall member 4 and the rear wall member 5. 13 are provided.

前記ハンドル６は、アルミパイプを折り曲げることにより形成され、握持部６ａとこの握持部６ａの両端から後方側に伸びた一対の支持部６ｂと、この支持部６ｂの途中から下方後方に斜めに延びたステー部６ｃ等を有して平面視略コ字状に形成されている。そして、このハンドル６は、前記支持部６ａの後端に下方に垂直状態で設けた一対の嵌合部が、前記両側壁部材３の前端上部に固定したハンドル支持部１４ａの嵌合孔に嵌合されると共に、前記ステー部６ｃ後端の嵌合部が、側壁部材３の下端に固定したハンドル支持部１４ｂに嵌合され、両ハンドル支持部１４ａ、１４ｂに設けた操作ボルト１５の締付けでそれぞれ固定されている。   The handle 6 is formed by bending an aluminum pipe, and includes a gripping portion 6a, a pair of support portions 6b extending from both ends of the gripping portion 6a to the rear side, and obliquely downward and rearward from the middle of the support portion 6b. Is formed in a substantially U-shape in plan view. The handle 6 has a pair of fitting portions provided vertically downward at the rear end of the support portion 6a. The handle 6 is fitted in a fitting hole of the handle support portion 14a fixed to the upper front ends of the side wall members 3. At the same time, the fitting portion at the rear end of the stay portion 6c is fitted into a handle support portion 14b fixed to the lower end of the side wall member 3, and the operation bolt 15 provided on both handle support portions 14a and 14b is tightened. Each is fixed.

また、前記握持部６ａは、支持部６ｂの先端に嵌合されて図示しないボルトで固定されており、支持部６ｂから握持部６ａを取り外し、操作ボルト１５を緩めて支持部６ｂ及びステー部６ｃを、ハンドル支持部１４ａを軸に水平面内でそれぞれ回動させることにより、分割状態とされた一対の支持部６ｂ及びステー部６ｃが各側壁部材３の例えば側面上方にそれぞれ位置、すなわち折り畳まれるようになっている。このハンドル６を引っ張ったり押すことにより、リヤカー１が所定方向に移動することになる。   The gripping portion 6a is fitted to the tip of the support portion 6b and fixed with a bolt (not shown). The gripping portion 6a is removed from the support portion 6b and the operation bolt 15 is loosened to loosen the support portion 6b and the stay. By rotating the portion 6c in the horizontal plane around the handle support portion 14a, the pair of support portions 6b and the stay portion 6c that are divided are positioned, for example, above the side surfaces of the side wall members 3, that is, folded. It is supposed to be. By pulling or pushing the handle 6, the rear car 1 moves in a predetermined direction.

このように構成されたリヤカー１は、次のようにして折り畳まれる。先ず、前壁部材４と後壁部材５を上方に持ち上げて、前記支持板１１から引き抜いて両側壁部材３間から取り外す。また、ハンドル６の握持部６ａを支持部６ｂから取り外し、先端が自由となった支持部６ｂ及びステー部６ｃを前記操作ボルト１５を緩めて両側壁部材３の上方に回動位置させる。そして、荷台部２の中央を上方に持ち上げて山折り状態として、荷台部２の幅方向両端に折り畳み（回動）可能に連結された両側壁部材３間に、山折りで折り畳まれた荷台部４を位置させる。   The rear car 1 configured as described above is folded as follows. First, the front wall member 4 and the rear wall member 5 are lifted upward, pulled out from the support plate 11 and removed from between the side wall members 3. Further, the gripping portion 6a of the handle 6 is removed from the support portion 6b, and the support portion 6b and the stay portion 6c, whose distal ends are freed, are loosened with the operation bolts 15 and rotated above the both side wall members 3. Then, the center of the loading platform 2 is lifted upward to be in a mountain folded state, and the loading platform is folded in a mountain fold between both side wall members 3 that are foldably connected to both ends in the width direction of the loading platform 2. 4 is positioned.

その後、折り畳まれた一対の荷台部２と両側壁部材３間の隙間に、取り外した前壁部材４と後壁部材５を収納（もしくは別場所に保管）すると共に、取り外してある平面視コ字状のハンドル６の握持部６ａの両端を、両側壁部材３の上端外面の所定位置に固定してある一対の支持パイプ１６（図１参照）に上方から差し込む。これにより、折り畳まれた状態の荷台部２と両側壁部材３の開きが防止され、この状態で折り畳まれたリヤカー１が得られることになる。   Thereafter, the removed front wall member 4 and rear wall member 5 are stored (or stored in a separate place) in the gap between the pair of folded cargo bed portions 2 and both side wall members 3, and are removed in a plan view. Both ends of the grip portion 6a of the handle 6 are inserted into a pair of support pipes 16 (see FIG. 1) fixed at predetermined positions on the outer surfaces of the upper ends of the side wall members 3 from above. Thereby, the opening of the loading platform 2 and the side wall members 3 in the folded state is prevented, and the rear car 1 folded in this state is obtained.

また、前記リヤカー１は、一方（図１では右側）の側壁部材３のタイヤ車輪８の前方に駐輪機構１８が配設されている。この駐輪機構１８は、図４に示すように、リンク機構１９と操作部２０及びタイヤ押圧部２１等を有している。リンク機構１９は、一方の側壁部材３（もしくは荷台部２）の外面に一対の固定板１９ａを介して固定されて、互いに回動自在に連結された３つのリンク板１９ｂ〜１９ｄを有している。 In the rear car 1, a parking mechanism 18 is disposed in front of the tire wheel 8 of one side wall member 3 (right side in FIG. 1). As shown in FIG. 4, the bicycle parking mechanism 18 includes a link mechanism 19, an operation unit 20, a tire pressing unit 21, and the like. The link mechanism 19 includes three link plates 19b to 19d that are fixed to the outer surface of one side wall member 3 (or the loading platform 2) via a pair of fixing plates 19a and are rotatably connected to each other. Yes.

また、操作部２０は、棒状に形成されその下端がリンク機構１９のリンク板１９ｂとリンク板１９ｃの連結部分に連結されると共に、上端に摘み２０ａを有して側壁部材３の外面に固定されたガイド部材２０ｂでガイドされている。さらに、タイヤ押圧部２１は、棒状に形成されその基端部がリンク板１９ｃに固定されると共に、先端部に設けた径大な当接部２１ａがタイヤ車輪８方向に向けて延設されている。 The operation unit 20 is formed in a rod shape, and its lower end is connected to a connecting portion between the link plate 19b and the link plate 19c of the link mechanism 19, and has a knob 20a at the upper end and is fixed to the outer surface of the side wall member 3. It is guided by the guide member 20b. Furthermore, the tire pressing section 21, with its base end portion is formed into a rod is fixed to the link plate 19c, diameter large abutment portion 21a provided at the tip portion is extended toward the tire wheel 8 direction Yes.

そして、図４の実線で示す操作部２０を押し下げた非作動位置においては、タイヤ押圧部２１が後退して当接部２１ａとタイヤ車輪８との間に所定の間隙が確保されて、タイヤ車輪８の回転が自由となっている。この状態で、操作部２０の摘み２０ａを掴んで上方（図４の矢印イ方向）に引き上げることにより、各リンク板１９ｂ〜１９ｄが図４の二点鎖線で示すように回動し、タイヤ押圧部２１が前方に進出してその当接部２１ａがタイヤ車輪８の外周面に所定圧で当接する。 And in the non-operation position which pushed down the operation part 20 shown with the continuous line of FIG. 4, the tire press part 21 reverse | retreats and the predetermined clearance gap is ensured between the contact part 21a and the tire wheel 8, and a tire wheel The rotation of 8 is free. In this state, by pulling upward (arrow b direction in FIG. 4) by grasping the knob 20a of the operation portion 20, each link plate 19b~19d is rotated as indicated by the two-dot chain line in FIG. 4, the tire pressing The part 21 advances forward, and the contact part 21a contacts the outer peripheral surface of the tire wheel 8 with a predetermined pressure.

これによりタイヤ車輪８の回転が規制（阻止）され、リヤカー１を所定場所に駐輪できることになる。このとき、タイヤ押圧部２１のタイヤ車輪８への当接位置は、タイヤ車輪８の回転方向ロの前方で車輪８の軸芯８ａ（図２参照）を水平に結ぶ水平線より下側となるように設定されており、タイヤ押圧部２１でタイヤ車輪８の回転が確実に規制されることになる。なお、図１〜図３においては、便宜上前記駐輪機構１８をカバー２２で覆うようにしているが、このカバー２２は必ずしも必要ではなく、省略することも勿論可能である。 As a result, the rotation of the tire wheel 8 is restricted (blocked), and the rear car 1 can be parked at a predetermined place. At this time, the contact position of the tire pressing portion 21 with the tire wheel 8 is lower than the horizontal line that horizontally connects the axis 8a (see FIG. 2) of the wheel 8 in front of the rotation direction B of the tire wheel 8. Therefore, the rotation of the tire wheel 8 is surely restricted by the tire pressing portion 21. In FIG. 1 to FIG. 3, the bicycle parking mechanism 18 is covered with a cover 22 for the sake of convenience. However, the cover 22 is not always necessary and may be omitted.

また、前記リヤカー１には、図３に示すように、両側壁部材３（もしくは荷台部２）の後端両側下面に傾動防止機構２３がそれぞれ配設されている。この傾動防止機構２３は、図５に示すように、下端に当接板２３ａを有する円柱状もしくはパイプ状のロッド２３ｂと、このロッド２３ｂの上端を回動可能に支持する支持金具２３ｃと、ロッド２３ｂの係止棒２３ｄと側壁部材３の係止棒２４との間に配設されたスプリング２３ｅ等を有している。   Further, as shown in FIG. 3, the rear car 1 is provided with tilt prevention mechanisms 23 on the lower surfaces of the rear end sides of the side wall members 3 (or the loading platform 2). As shown in FIG. 5, the tilt prevention mechanism 23 includes a cylindrical or pipe-shaped rod 23b having a contact plate 23a at the lower end, a support fitting 23c that rotatably supports the upper end of the rod 23b, a rod And a spring 23e disposed between the locking bar 23d of 23b and the locking bar 24 of the side wall member 3.

そして、傾動防止機構２３の作動位置である図５の実線位置から、ロッド２３ｂを足や手で矢印ハの如く押して回動させることにより、ロッド２３ｂが同図の二点鎖線で示すように、側壁部材３の下部側方に折り畳まれて収納位置に設定されるようになっている。この収納位置において、傾動防止機構２３はリヤカー１の走行や傾動動作に何等関与しない状態となる。   Then, from the solid line position of FIG. 5 which is the operation position of the tilt prevention mechanism 23, the rod 23b is pushed and rotated as shown by an arrow C with a foot or hand, so that the rod 23b is indicated by a two-dot chain line in FIG. The side wall member 3 is folded to the lower side and set to the storage position. In this storage position, the tilt prevention mechanism 23 is not involved in any travel or tilting operation of the rear car 1.

なお、傾動防止機構２３のスプリング２３ｅは、ロッド２３ｂを収納位置に保持すると共に、その付勢力に抗して反矢印ハ方向に９０度以上回動されることで、ロッド２３ｂを実線で示す作動位置に保持するようになっている。また、ロッド２３ｂの当接板２３ａ下端の高さ位置は、図３に示す側壁部材３の先端下部にそれぞれ固定的に配設される脚２５（図１、図３参照）の高さより所定寸法高く設定されて、リヤカー１が後方側（後壁部材５側）に傾斜（傾動）して当接板２３ａが路面Ｒに接触した際に、リヤカー１が路面Ｒに対して例えば略平行となるように設定されている。   The spring 23e of the tilt prevention mechanism 23 holds the rod 23b in the retracted position, and is rotated 90 degrees or more in the direction of the opposite arrow against the urging force, whereby the rod 23b is shown by a solid line. It is designed to hold in position. Further, the height position of the lower end of the contact plate 23a of the rod 23b is a predetermined dimension from the height of the legs 25 (see FIGS. 1 and 3) fixedly disposed at the lower end of the side wall member 3 shown in FIG. When the rear car 1 is tilted (tilted) to the rear side (rear wall member 5 side) and the contact plate 23a contacts the road surface R, the rear car 1 becomes substantially parallel to the road surface R, for example. Is set to

なお、前記当接板２３ａの高さ位置は、予め固定位置としても良いが、例えばロッド２３ｂを進退可能に配設してその位置を調整するようにしても良い。また、前記リヤカー１は、各部材の略全てがアルミニウム製もしくはアルミニウム合金製とされて、その軽量化が図られている。   The height position of the contact plate 23a may be a fixed position in advance. For example, the rod 23b may be disposed so as to be able to advance and retreat, and the position thereof may be adjusted. In the rear car 1, almost all of the members are made of aluminum or aluminum alloy to reduce the weight.

次に、本発明に係わるリヤカー１の使用方法を、例えば災害発生時等に、負傷者が乗せられた前記担架１２を前記リヤカー１上に載置して、負傷者を安全な避難場所まで移動させる場合を例にして説明する。負傷者を安全な場所まで移動させようとする場合、先ず、地区の防災倉庫等に保管されている前記折り畳み式のリヤカー１と例えば折り畳み式の担架１２を取り出し、折り畳まれた状態の前記リヤカー１を組み立てて、図１に示す状態にする。このとき、リヤカー１の前記駐輪機構１８を作動させてタイヤ車輪８の回転を規制すると共に、前記傾動防止機構２３を作動位置に設定する。   Next, according to the method of using the rear car 1 according to the present invention, for example, when a disaster occurs, the stretcher 12 on which an injured person is placed is placed on the rear car 1 and the injured person is moved to a safe evacuation site. This will be described as an example. When an injured person is to be moved to a safe place, first, the folding rear car 1 stored in a disaster prevention warehouse or the like in the district and the folding stretcher 12 are taken out and the rear car 1 in a folded state is taken out. Are assembled into the state shown in FIG. At this time, the parking mechanism 18 of the rear car 1 is operated to restrict the rotation of the tire wheel 8 and the tilt prevention mechanism 23 is set to the operating position.

そして、この状態で担架１２上に負傷者を載せ、救助者２人で担架１２を持ち上げ、近くに駐輪状態（脚２５が路面Ｒに当接し駐輪機構１８が作動状態でタイヤ車輪８の回転が規制され、かつ傾動防止機構２３が作動状態で図３に示す状態）としてあるリヤカー１の前記前壁部材４と後壁部材５の係止部１３上に、担架１２の幅方向両側の支持フレームをそれぞれ載置する。これにより担架１２の幅方向の移動が係止部１３で規制されて、リヤカー１上に担架１２が安定載置されることになる。   In this state, an injured person is placed on the stretcher 12, and the rescuer lifts the stretcher 12 with two rescuers. The bicycle is in the nearby parking state (the leg 25 is in contact with the road surface R and the parking mechanism 18 is in the activated state). 3 on the engaging portions 13 of the front wall member 4 and the rear wall member 5 of the rear car 1 in which the rotation is restricted and the tilt prevention mechanism 23 is in the activated state as shown in FIG. Each support frame is placed. Thereby, the movement of the stretcher 12 in the width direction is restricted by the locking portion 13, and the stretcher 12 is stably placed on the rear car 1.

また、担架１２をリヤカー１上に載置する際に、負傷者の頭部がリヤカー１の後部側に位置するようにして載置した場合、リヤカー１の荷台部２の後部の荷重が大きくなり、後部が路面Ｒ方向に傾動しようとするが、この傾動は作動状態の傾動防止機構２３の当接板２３ａが路面Ｒに当接することで規制されて、リヤカー１が後方側に急に大きく傾動することはなく略水平状態に維持される。   Further, when the stretcher 12 is placed on the rear car 1, if the injured person's head is placed on the rear side of the rear car 1, the load on the rear part of the loading platform 2 of the rear car 1 increases. The rear part tends to tilt in the direction of the road surface R. This tilting is regulated by the contact plate 23a of the tilting prevention mechanism 23 in the activated state coming into contact with the road surface R, and the rear car 1 tilts greatly rearward. There is no such thing and it is maintained in a substantially horizontal state.

また同時に、担架１２をリヤカー１上に載置する際に、例えば路面Ｒに傾斜があったり路面Ｒが雨等で濡れて滑り易い状態であっても、作動状態の駐輪機構１８でタイヤ車輪８が回転しないように設定されていることから、リヤカー１が傾斜した路面Ｒに沿って安易に移動することもなくなる。これらにより、リヤカー１に負傷者が乗せられた担架１２を載置する作業が、安全かつ簡単に行うことが可能になる。   At the same time, when the stretcher 12 is placed on the rear car 1, even if the road surface R is inclined or the road surface R is wet due to rain or the like and is slippery, the operating wheel parking mechanism 18 causes the tire wheel to move. Since 8 is set so as not to rotate, the rear car 1 does not easily move along the inclined road surface R. Thus, the work of placing the stretcher 12 on which the injured person is placed on the rear car 1 can be performed safely and easily.

そして、担架１２がリヤカー１上に載置されたら、傾動防止機構２３を収納位置に設定すると共に、駐輪機構１８を非作動位置に設定して、ハンドル６の握持部６ａを握りながら、ハンドル６を持ち上げて、図３の実線で示すようにリヤカー１を路面Ｒに対して略平行な走行状態として、ハンドル６を例えば引っ張ったり押すことにより、リヤカー１を路面Ｒ上で移動させる。   When the stretcher 12 is placed on the rear car 1, the tilt prevention mechanism 23 is set to the storage position, the parking mechanism 18 is set to the non-operation position, and the grip 6 a of the handle 6 is gripped, The rear car 1 is moved on the road surface R by lifting the handle 6 and setting the rear car 1 in a traveling state substantially parallel to the road surface R as shown by a solid line in FIG.

この移動時に、リヤカー１は比較的大きなタイヤ車輪８の回転で移動することから、移動させるための力を軽くでき、救助者一人による移動が可能になると共に、この移動作業中の途中で休憩する際等でも、駐輪機構１８を作動させることで、リヤカー１の不用意な移動を規制することができ、移動作業に係わる救助者への負担軽減が図れることになる。   During this movement, the rear car 1 is moved by the rotation of the relatively large tire wheel 8, so that the force for movement can be reduced, and the movement by one rescuer is possible, and a break occurs during the moving operation. Even in such a case, by operating the parking mechanism 18, the inadvertent movement of the rear car 1 can be restricted, and the burden on the rescuer involved in the moving work can be reduced.

このように、前記リヤカー１によれば、タイヤ車輪８の前方でハンドル６との間の側壁部材３の外面に、操作部２０の操作でタイヤ押圧部２１が移動することにより、タイヤ押圧部２１の当接部２１ａがタイヤ車輪８の外周面に当接してタイヤ車輪８の回転を阻止（禁止）する駐輪機構１８が配設されているため、操作部２０近傍に配設した駐輪機構１８の操作で、タイヤ車輪８の回転を規制できて、路面Ｒの形態に係わらずリヤカー１の安定した駐輪状態を容易に得ることができる。   As described above, according to the rear car 1, the tire pressing portion 21 is moved by the operation of the operating portion 20 to the outer surface of the side wall member 3 between the steering wheel 6 and the front of the tire wheel 8. Since the bicycle parking mechanism 18 that prevents (prohibits) rotation of the tire wheel 8 by contacting the outer peripheral surface of the tire wheel 8 with the contact portion 21a of the tire wheel 8 is provided, the bicycle parking mechanism provided in the vicinity of the operation unit 20 18, the rotation of the tire wheel 8 can be restricted, and a stable parking state of the rear car 1 can be easily obtained regardless of the form of the road surface R.

その結果、例えばリヤカー１上に負傷者を乗せた担架１２を載置して移動させる場合や、比較的重量のある荷物を荷台部２の後部に積載した場合等で、路面Ｒが濡れていたり路面Ｒが傾斜等していても、脚２５の移動規制効果に加えて駐輪機構１８による移動規制効果が加わり、リヤカー１に路面Ｒの形態等に係わらず、常に安定した駐輪状態を容易に得ることができて、防災用のリヤカー１等に好適に使用することが可能になる。   As a result, for example, when the stretcher 12 carrying an injured person is placed on the rear car 1 and moved, or when a relatively heavy load is loaded on the rear part of the loading platform 2, the road surface R is wet. Even if the road surface R is inclined, the movement restriction effect by the bicycle parking mechanism 18 is added in addition to the movement restriction effect of the legs 25, so that the rear car 1 can always be easily parked regardless of the form of the road surface R, etc. And can be suitably used for the rear car 1 for disaster prevention.

また、駐輪機構１８の操作部２０を引き上げ操作することで、操作部２０に連結されたリンク機構１９に設けたタイヤ押圧部２１がタイヤ車輪８方向に移動して当該タイヤ車輪８の外周面に当接するため、駐輪機構１８をリンク機構１９等で構成できて、構成簡易で安価に形成できると共にその操作性を向上させることができる。また、駐輪機構１８のタイヤ押圧部２１がタイヤ車輪８の駐輪機構１８側の下半分の外周面に当接するため、タイヤ車輪８の回転を確実かつ効果的に阻止して、一層安定した駐輪状態を容易に得ることができる。   Further, by pulling up the operation portion 20 of the parking mechanism 18, the tire pressing portion 21 provided in the link mechanism 19 connected to the operation portion 20 moves in the direction of the tire wheel 8 and the outer peripheral surface of the tire wheel 8. Therefore, the bicycle parking mechanism 18 can be constituted by the link mechanism 19 or the like, and can be formed with a simple structure at low cost and its operability can be improved. Further, since the tire pressing portion 21 of the bicycle parking mechanism 18 abuts on the outer peripheral surface of the lower half of the tire wheel 8 on the bicycle parking mechanism 18 side, the rotation of the tire wheel 8 is surely and effectively prevented and further stabilized. The parking state can be easily obtained.

さらに、リヤカー１の荷台部２の後端両側部分の下面に、荷台部２後端の路面Ｒ方向への傾動を規制する傾動防止機構２３を折り畳み可能に配設しているため、担架１２や重量のある荷物の荷台部２上への積載時に傾動防止機構２３を作動させることにより、荷台部２後部の急な傾動による路面Ｒへの当接を規制（阻止）できると共に、ハンドル６の急な上昇も防止できて、リヤカー１上への荷物等の積載作業を容易かつ安全に行うことができる。   Further, since the tilt prevention mechanism 23 for restricting the tilting of the rear end of the loading platform portion 2 in the direction of the road surface R is foldably disposed on the lower surfaces of both sides of the rear end of the loading platform portion 2 of the rear car 1, By actuating the tilt prevention mechanism 23 when a heavy load is loaded on the loading platform 2, contact with the road surface R due to sudden tilting of the rear of the loading platform 2 can be restricted (blocked) and the handle 6 can be suddenly moved. Therefore, it is possible to easily and safely carry loads such as luggage on the rear car 1.

また、リヤカー１が、前壁部材４と後壁部材５の幅方向上部両端部にそれぞれ設けられた担架１２載置用の係止部１３を有しているため、災害発生時に使用される担架１２をリヤカー１上に最適角度で安定載置できて、担架１２上の負傷者を安心かつ安定した姿勢で運搬することができる。また同時に、係止部１３を設けた前壁部材４と後壁部材５が側壁部材３に着脱可能に配設されているため、前壁部材４と後壁部材５を補給部品として提供することで、既存の折り畳み式のリヤカーにも簡単に適用することができる。   Moreover, since the rear car 1 has the latching | locking part 13 for mounting the stretcher 12 each provided in the width direction upper both ends of the front wall member 4 and the rear wall member 5, the stretcher used at the time of disaster occurrence 12 can be stably placed on the rear car 1 at an optimum angle, and the injured person on the stretcher 12 can be transported in a safe and stable posture. At the same time, since the front wall member 4 and the rear wall member 5 provided with the locking portion 13 are detachably disposed on the side wall member 3, the front wall member 4 and the rear wall member 5 are provided as supply parts. Thus, it can be easily applied to an existing folding rear car.

なお、前記実施形態においては、駐輪機構１８を一対の側壁部材３の一方の外面に配設したが、本発明はこれに限定されず、一対の側壁部材３の外面にそれぞれ配設しても良く、この場合、駐輪機構１８の一方の側壁部材３に設けた操作部２０の操作で両駐輪機構１８が作動するように構成されることが好ましい。また、駐輪機構１８の構成としては、リンク機構１９等の採用に限らず、シリンダ等を使用して、そのシャフト先端に設けた押圧部でタイヤ車輪８の回転を規制する構成を採用することもできる。 In the above embodiment has been arranged bicycle parking mechanism 18 on one outer surface of the pair of side wall members 3, the present invention is not limited thereto, respectively disposed on the outer surfaces of the pair of side wall members 3 In this case, it is preferable that both the parking mechanisms 18 are operated by the operation of the operation unit 20 provided on one side wall member 3 of the parking mechanism 18. Further, the configuration of the parking mechanism 18 is not limited to the adoption of the link mechanism 19 or the like, and a configuration in which the rotation of the tire wheel 8 is regulated by a pressing portion provided at the tip of the shaft using a cylinder or the like is adopted. You can also.

また、前記実施形態においては、リヤカー１に駐輪機構１８と傾動防止機構２３の両方を配設する構成としたが、駐輪機構１８のみあるいは傾動防止機構２３のみを配設するリヤカー１であっても良い。さらに、前記実施形態における、リヤカー１の各部の構成、傾動防止機構２３の構成、ハンドル６の構成等は一例であって、例えば側壁部材３や荷台部２を板状ではなく格子形状としたり、前壁部材４と後壁部材５を板状とする等、本発明に係わる各発明の要旨を逸脱しない範囲において適宜に変更することができる。   In the above embodiment, the rear car 1 has both the parking mechanism 18 and the tilt prevention mechanism 23. However, the rear car 1 has only the parking mechanism 18 or only the tilt prevention mechanism 23. May be. Furthermore, the configuration of each part of the rear car 1, the configuration of the tilt prevention mechanism 23, the configuration of the handle 6 and the like in the embodiment are examples, and for example, the side wall member 3 and the loading platform 2 are not in a plate shape but in a lattice shape, The front wall member 4 and the rear wall member 5 can be appropriately changed without departing from the gist of each invention according to the present invention, such as a plate shape.

本発明は、折り畳み式のリヤカーに限らず、一部が折り畳みや取り外し可能なリヤカー、あるいは全ての部材が固定的なリヤカー等、運搬用の全てのリヤカーに利用することができる。   The present invention is not limited to a foldable rear car, and can be used for all rear cars for transportation, such as a rear car that is partially foldable and removable, or a rear car in which all members are fixed.

１・・・・・・・・・リヤカー
２・・・・・・・・・荷台部
３・・・・・・・・・側壁部材
４・・・・・・・・・前壁部材
５・・・・・・・・・後壁部材
６・・・・・・・・・ハンドル
８・・・・・・・・・タイヤ車輪
１２・・・・・・・・担架
１８・・・・・・・・駐輪機構
１９・・・・・・・・リンク機構
１９ａ・・ ・・・・固定板
１９ｂ〜１９ｄ・・・リンク板
２０・・・・・・・・操作部
２０ａ・・・・・・・摘み
２０ｂ・・・・・・・ガイド板
２１・・・・・・・・タイヤ押圧部
２１ａ・・・・・・・当接部
２３・・・・・・・・傾動防止機構
２３ａ・・・・・・・当接板
２３ｂ・・・・・・・ロッド
２３ｃ・・・・・・・支持金具
２３ｅ・・・・・・・スプリング
２５・・・・・・・・脚 1 ····· Rear car 2 ······································································・ ・ ・ ・ ・ ・ ・ ・ Rear wall member 6 ・ ・ ・ ・ ・ ・ ・ ・ Handle 8 ・ ・ ・ ・ ・ ・ ・ ・ Tire wheel 12 ・ ・ ・ ・ ・ ・ ・ ・ Stretcher 18 ・ ・ ・・ ・ ・ Parking mechanism 19 ・ ・ ・ ・ ・ ・ ・ ・ Link mechanism 19a ・ ・ ・ ・ Fixing plate 19b ~ 19d ・ ・ ・ Link plate 20 ・ ・ ・ ・ ・ ・ ・ ・ Operation unit 20a ・ ・ ・ ・・ ・ ・ Tip 20b ···················································· Tire pressing portion 21a ········· Contact plate 23b ·······················································…

Claims (3)

平坦な荷台部と、該荷台部の幅方向両側に配設されて外面にタイヤ車輪が回転自在に取り付けられる左右一対の側壁部材と、該側壁部材の先端下部に配設される脚と、前記荷台部の前後に配設される前壁部材及び後壁部材と、前記荷台部の前端両側に配設されるハンドルと、を備え、
前記タイヤ車輪の前方で前記ハンドルとの間の前記一対の側壁部材の一方の外面に、前記タイヤ車輪の回転を規制する駐輪機構を配設し、当該駐輪機構は、前記一方の外面に配設された操作部を引き上げ操作することで、当該操作部に連結されたリンク機構に設けたタイヤ押圧部がタイヤ車輪方向に移動し当該タイヤ車輪の外周面に当接してその回転を規制することを特徴とするリヤカー。 The Tan Taira of cargo portion, a pair of left and right side wall members of the tire wheel is mounted rotatably on the outer surface are disposed on both sides in the width direction of該荷base portion, and a leg which is arranged at the distal end lower portion of the side wall member comprises a front wall member and the rear wall member disposed before and after the loading platform portion, and a handle that is disposed on the front end sides of the loading platform part,
Outside surface of the hand of the pair of side wall members between the handle in front of the tire wheel, and arranged bicycle mechanism for restricting the rotation of the tire wheel, the bicycle parking mechanism, the one By pulling up the operating part arranged on the outer surface, the tire pressing part provided in the link mechanism connected to the operating part moves in the direction of the tire wheel and contacts the outer peripheral surface of the tire wheel to rotate it. A rear car characterized by regulation . 前記駐輪機構は、前記タイヤ押圧部が前記タイヤ車輪の軸芯を結ぶ水平線よりハンドル側の下半分の外周面に当接することを特徴とする請求項１に記載のリヤカー。 The bicycle parking mechanism Carts of claim 1, wherein the tire pressing section abuts on the outer peripheral surface of the lower half of the handle side of the horizontal line connecting the axis of the tire wheel. 前記荷台部の後端両側部分の下面に、荷台部後端の路面方向への傾動を規制する傾動防止機構を折り畳み可能に配設し、当該傾動防止機構のロッドの当接板下端の高さ位置が前記脚の高さより所定寸法高く設定されていることを特徴とする請求項１または２に記載のリヤカー。 A tilt prevention mechanism for restricting the tilt of the rear end of the load carrier portion in the road surface direction is foldably disposed on the lower surface of both sides of the rear end of the load carrier portion, and the height of the lower end of the contact plate of the rod of the tilt prevention mechanism Carts of claim 1 or 2 position, characterized in that it is set higher predetermined dimension than the height of the leg.
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JP3253564B2 (en) * 1997-07-03 2002-02-04 俊雄 森田 Vehicle braking mechanism
CN2719678Y (en) * 2004-08-02 2005-08-24 贵州七星实业有限公司 Handcart brake device
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