JP2007069672A - Movable bumper structure for small-sized vehicle - Google Patents

Movable bumper structure for small-sized vehicle Download PDF

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Publication number
JP2007069672A
JP2007069672A JP2005256759A JP2005256759A JP2007069672A JP 2007069672 A JP2007069672 A JP 2007069672A JP 2005256759 A JP2005256759 A JP 2005256759A JP 2005256759 A JP2005256759 A JP 2005256759A JP 2007069672 A JP2007069672 A JP 2007069672A
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Japan
Prior art keywords
bumper
main body
movable
bumper main
body portion
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JP2005256759A
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Japanese (ja)
Inventor
Yuya Sato
佑也 佐藤
Yoshinori Yoshii
芳徳 吉井
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Yamaha Motor Co Ltd
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Yamaha Motor Co Ltd
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Priority to JP2005256759A priority Critical patent/JP2007069672A/en
Priority to KR1020060068320A priority patent/KR20070025983A/en
Publication of JP2007069672A publication Critical patent/JP2007069672A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/24Arrangements for mounting bumpers on vehicles
    • B60R19/38Arrangements for mounting bumpers on vehicles adjustably or movably mounted, e.g. horizontally displaceable for securing a space between parked vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00Type of vehicle
    • B60Y2200/80Other vehicles not covered by groups B60Y2200/10 - B60Y2200/60
    • B60Y2200/86Carts; Golf carts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a movable bumper structure for a small-sized vehicle, capable of showing a shock absorbing function even when a posture of a bumper changes in a fore-and-aft direction of a vehicle body. <P>SOLUTION: A golf cart 10 equipped with a movable deck portion 31 capable of adjusting a tilting angle is provided with the bumper 24. A front end portion of a bumper main body portion 21 in the bumper is attached to a vehicle body rear portion 11a so as to vertically rotate about a rotating shaft 25. Front bumpers 22a, 22b are provided at a rear portion of a front end side part of the bumper main body portion 21 when a rear end portion of the bumper main body portion 21 is positioned on an upper side, and rear bumpers 23a, 23b are provided at the rear end portion of the bumper main body 21 when the rear end portion of the bumper main body portion 21 is positioned behind the vehicle body rear portion 11a. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、傾斜角度を調節可能にして車体後部に設けられた荷台を備えた小型車両の可動式バンパ構造に関する。   The present invention relates to a movable bumper structure for a small vehicle including a cargo bed provided at a rear portion of a vehicle body with an adjustable inclination angle.

従来から、ゴルフカート等の小型車両の中に、ゴルフバッグを積載するための荷台が上下方向に傾斜角度を調節可能な状態で車体後部に設けられたものがある。また、このような小型車両の中に、荷台とともに、バンパも傾斜角度を調節可能な状態で設けられたものがある(例えば、特許文献1参照)。このバンパは、荷台を回転可能に支持する荷台支点軸受を備えたリアフレームと、リアフレームに回転自在に取り付けられたリアバンパと、両端部が荷台とリアバンパとにそれぞれ回転自在に連結されたロッドとで構成されている。   2. Description of the Related Art Conventionally, among small vehicles such as golf carts, there is one in which a loading platform for loading a golf bag is provided at the rear of the vehicle body in a state in which an inclination angle can be adjusted in the vertical direction. In addition, among such small vehicles, there is one in which a bumper is provided in a state in which an inclination angle can be adjusted together with a loading platform (see, for example, Patent Document 1). The bumper includes a rear frame having a support fulcrum bearing that rotatably supports the loading platform, a rear bumper that is rotatably mounted on the rear frame, a rod that is rotatably connected to the loading platform and the rear bumper, respectively. It consists of

リアフレームは後方に延びて、その後端部にリアバンパが、荷台支点軸受と所定距離を保って取り付けられている。また、ロッドの上端部は荷台の下面下部側に連結され、ロッドの下端部は、リアバンパの前部側部分に連結されて、荷台、リアフレーム、リアバンパおよびロッドでリンク機構が構成されている。そして、荷台を上方に回転させると、ロッドに引っ張られてリアバンパも上方に回転し、荷台を下方に回転させると、リアバンパも下方に回転して略水平方向に延びるようになる。したがって、荷台が後方に延びた状態のときに、リアバンパも後方に延びるため、小型車両が後方の障害物と衝突した際にリアバンパがその衝撃を緩衝する。
特開2000−185126号公報
The rear frame extends rearward, and a rear bumper is attached to the rear end of the rear frame at a predetermined distance from the fulcrum fulcrum bearing. Further, the upper end portion of the rod is connected to the lower side of the lower surface of the loading platform, and the lower end portion of the rod is connected to the front portion of the rear bumper. When the loading platform is rotated upward, the rear bumper is also rotated upward by being pulled by the rod, and when the loading platform is rotated downward, the rear bumper is also rotated downward and extends in a substantially horizontal direction. Therefore, since the rear bumper also extends rearward when the loading platform extends rearward, the rear bumper cushions the impact when the small vehicle collides with an obstacle behind the rear.
JP 2000-185126 A

しかしながら、この従来の小型車両では、荷台が下方に回転してリアバンパが略水平方向に延びているときには、リアバンパはバンパとしての緩衝機能を発揮するが、荷台が上方に回転してリアバンパも荷台とともに上方に回転したときには、リアバンパはバンパとしての緩衝機能を発揮することができない。   However, in this conventional small vehicle, when the loading platform rotates downward and the rear bumper extends substantially in the horizontal direction, the rear bumper functions as a bumper, but the loading platform rotates upward and the rear bumper also moves together with the loading platform. When rotated upward, the rear bumper cannot exhibit a buffer function as a bumper.

本発明は、前述した問題に対処するためになされたもので、その目的は、バンパの姿勢が車体の前後方向で変化しても緩衝機能を発揮できる小型車両の可動式バンパ構造を提供することである。   The present invention has been made to address the above-described problems, and an object of the present invention is to provide a movable bumper structure for a small vehicle that can exhibit a buffer function even if the posture of the bumper changes in the front-rear direction of the vehicle body. It is.

前述した目的を達成するため、本発明に係る小型車両の可動式バンパ構造の構成上の特徴は、前端側部分を支点として上下方向に回転することにより傾斜角度が調節可能になった荷台と、バンパとが、車体後部に設けられた小型車両の可動式バンパ構造であって、バンパが、後端部の位置を前後方向に変更可能にして車体後部に取り付けられたバンパ本体部と、バンパ本体部に設けられた緩衝部とで構成され、バンパ本体部の後端部が車体後部の後方における前部側と後部側との双方の位置に位置したときのそれぞれの位置におけるバンパ本体部の後端に緩衝部が位置するようにしたことにある。   In order to achieve the above-mentioned object, the structural features of the movable bumper structure of the small vehicle according to the present invention include a loading platform whose tilt angle can be adjusted by rotating up and down with the front end side portion as a fulcrum, A bumper is a movable bumper structure for a small vehicle provided at the rear of the vehicle body, and the bumper is mounted at the rear of the vehicle body with the rear end position being changeable in the front-rear direction, and the bumper body The rear end of the bumper main body is located at both the front and rear positions behind the rear of the vehicle body. The buffer portion is located at the end.

このように、本発明に係る小型車両の可動式バンパ構造では、バンパ本体部が、後端部の位置を前後方向に変更可能にして車体後部に取り付けられている。そして、バンパ本体部の後端部が前部側に位置したときと、後部側に位置したときとの双方の場合に、緩衝部がバンパ本体部の後端に位置するようにしている。このため、荷台を車体の後方に突出するように下方に回転させたときには、バンパ本体部の後端部が後部側に位置するようにバンパの位置を調節することにより、バンパ機能を確保できる。   As described above, in the movable bumper structure for a small vehicle according to the present invention, the bumper main body portion is attached to the rear portion of the vehicle body such that the position of the rear end portion can be changed in the front-rear direction. The buffer portion is positioned at the rear end of the bumper main body in both the case where the rear end of the bumper main body is positioned on the front side and the position where the rear end is positioned on the rear side. For this reason, when the loading platform is rotated downward so as to protrude rearward of the vehicle body, the bumper function can be secured by adjusting the position of the bumper so that the rear end portion of the bumper main body portion is located on the rear side.

また、荷台を上方に回転させたときには、バンパ本体部の後端部が前部側に位置するようにバンパの位置を調節することにより、緩衝部を車体近傍に位置させた状態でバンパ機能を確保できる。そして、このように、バンパ本体部の後端部を前部側に位置させた場合、車体の前後方向の長さが短くなるため、複数の小型車両を前後に並べて車庫等に収納するときに、各小型車両を接近させることができ、収納スペースを狭くすることができる。また、この場合のバンパ本体部の後端部の前後方向への位置変更は、バンパ本体部を前端側部分を中心として回転させたり、バンパ全体を前後方向に進退させたりすることにより行える。 In addition, when the loading platform is rotated upward, the bumper function is adjusted with the shock absorber positioned near the vehicle body by adjusting the position of the bumper so that the rear end of the bumper main body is located on the front side. It can be secured. When the rear end portion of the bumper main body portion is positioned on the front side in this way, the length of the vehicle body in the front-rear direction is shortened. Therefore, when a plurality of small vehicles are arranged side by side and stored in a garage or the like Each small vehicle can be made to approach and a storage space can be narrowed. In this case, the rear end portion of the bumper main body can be changed in the front-rear direction by rotating the bumper main body around the front end portion or by moving the entire bumper forward and backward.

また、本発明に係る小型車両の可動式バンパ構造の他の構成上の特徴は、バンパ本体部の前端部を、回転軸を中心として回転可能な状態で車体後部に取り付けることにより、バンパ本体部の後端部の位置を前後方向に変更可能にするとともに、緩衝部を第1の緩衝部と第2の緩衝部とで構成し、バンパ本体部の後端部が車体後部の後方における前部側に位置したときのバンパ本体部の前端側部分の後部に第1の緩衝部を設け、バンパ本体部の後端部が車体後部における後部側に位置したときのバンパ本体部の後端部に第2の緩衝部を設けたことにある。   In addition, another structural feature of the movable bumper structure of the small vehicle according to the present invention is that the front end of the bumper main body is attached to the rear of the vehicle body in a state of being rotatable about the rotation axis. The position of the rear end portion can be changed in the front-rear direction, the buffer portion is composed of a first buffer portion and a second buffer portion, and the rear end portion of the bumper main body portion is a front portion behind the rear portion of the vehicle body. A first buffer portion is provided at the rear of the front end portion of the bumper main body when positioned on the side, and the rear end of the bumper main body is positioned at the rear end of the rear of the vehicle body. The second buffer portion is provided.

これによると、バンパを移動させるための構造を単純かつ安価に構成できる。この場合、バンパ本体部の後端部が前部側に位置したときのバンパ本体部の前端側部分の後部に、第1の緩衝部が設けられる。このため、バンパ本体部の後端部が車体後部の下部における通常、バンパが取り付けられる部分から離れた位置に移動しても、第1の緩衝部は、車体後部における適正な位置に位置する。したがって、良好なバンパ機能を発揮できる。また、バンパ本体部の後端部が後部側に位置したときのバンパ本体部の後端部に、第2の緩衝部が設けられるため、この場合も第2の緩衝部は、車体後部における適正な位置に位置して、良好なバンパ機能を発揮できる。 According to this, the structure for moving the bumper can be configured simply and inexpensively. In this case, the first buffer portion is provided at the rear portion of the front end side portion of the bumper main body when the rear end of the bumper main body is located on the front side. For this reason, even if the rear end portion of the bumper main body portion moves to a position away from the portion where the bumper is usually attached at the lower portion of the rear portion of the vehicle body, the first buffer portion is positioned at an appropriate position in the rear portion of the vehicle body. Therefore, a good bumper function can be exhibited. In addition, since the second buffer portion is provided at the rear end portion of the bumper main body portion when the rear end portion of the bumper main body portion is located on the rear side, the second buffer portion is also appropriate in the rear portion of the vehicle body in this case. It is located in a proper position and can exhibit a good bumper function.

また、本発明に係る小型車両の可動式バンパ構造のさらに他の構成上の特徴は、回転軸を車体の幅方向に配置し、バンパ本体部が回転軸の軸周り方向に沿って上方に回転したときに、バンパ本体部の前端側部分における後部に設けられた第1の緩衝部が後方に向かって突出し、バンパ本体部が回転軸の軸周り方向に沿って下方に回転したときに、バンパ本体部の後端部に設けられた第2の緩衝部が後方に向かって突出するようにしたことにある。   Further, another structural feature of the movable bumper structure of the small vehicle according to the present invention is that the rotation shaft is arranged in the width direction of the vehicle body, and the bumper main body portion rotates upward along the direction around the axis of the rotation shaft. When the bumper main body portion protrudes rearward in the rear portion of the front end side portion of the bumper main body portion and the bumper main body portion rotates downward along the direction of the axis of the rotation shaft, the bumper The second buffer portion provided at the rear end portion of the main body portion protrudes rearward.

これによると、バンパを上方と下方のいずれの方向に回転させても、使用しない方の緩衝部およびバンパ本体部におけるその使用しない緩衝部が取り付けられている部分を小型車両の走行等に支障を生じさせないようにして所定位置に移動させることができる。また、これによると、バンパが上下方向に回転するため、使用しない緩衝部およびバンパ本体部におけるその使用しない緩衝部が取り付けられている部分が車幅方向の外部側に突出して、傷害になることがない。さらに、バンパを上方に回転したときの第1の緩衝部の路面からの高さと、バンパを下方に回転したときの第2の緩衝部の路面からの高さとを同じにすることができる。 According to this, even if the bumper is rotated in either the upward or downward direction, the unused buffer portion and the portion of the bumper main body portion where the unused buffer portion is attached are obstructed for traveling of a small vehicle. It can be moved to a predetermined position without causing it. In addition, according to this, since the bumper rotates in the vertical direction, the unused buffer portion and the portion of the bumper main body portion where the unused buffer portion is attached protrude to the outside in the vehicle width direction, resulting in injury. There is no. Furthermore, the height from the road surface of the first buffer portion when the bumper is rotated upward can be made the same as the height from the road surface of the second buffer portion when the bumper is rotated downward.

また、本発明に係る小型車両の可動式バンパ構造のさらに他の構成上の特徴は、回転軸の軸方向から見て、バンパは、回転軸と第1の緩衝部とを結ぶ第1の仮想直線と、回転軸と第2の緩衝部とを結ぶ第2の仮想直線とが略L字形を形成するように構成され、バンパ本体部が回転軸の軸周り方向に沿って下方に回転したときに、第1の仮想直線が回転軸から下方に延び、第2の仮想直線が回転軸から後方水平方向に延びるようにしたことにある。これによると、バンパの構造を単純かつ安価に構成できる。   Further, another structural feature of the movable bumper structure of the small vehicle according to the present invention is that, as viewed from the axial direction of the rotating shaft, the bumper is a first virtual connecting the rotating shaft and the first buffer portion. The straight line and the second imaginary straight line connecting the rotation shaft and the second buffer portion are configured to form a substantially L shape, and the bumper main body portion rotates downward along the direction around the axis of the rotation shaft. In addition, the first imaginary straight line extends downward from the rotation axis, and the second imaginary straight line extends from the rotation axis in the rear horizontal direction. According to this, the structure of the bumper can be configured simply and inexpensively.

また、本発明に係る小型車両の可動式バンパ構造のさらに他の構成上の特徴は、バンパ本体部における回転軸と第2の緩衝部との間に、バンパ本体部が回転軸の軸周り方向に沿って下方に回転したときに、荷物を載置できる載置部を形成したことにある。これによると、バンパを荷台としても使用できるため、別途荷物を載置するための載置部を設ける必要がなくなる。また、回転軸と第2緩衝部との間の長さは、荷台を後方に突出させた際の突出距離に応じて設定されるため、比較的長くなり、大きな荷台を確保することができる。   In addition, another structural feature of the movable bumper structure of the small vehicle according to the present invention is that the bumper body portion is between the rotation shaft and the second buffer portion in the bumper body portion and the direction around the axis of the rotation shaft. When the baggage is rotated downward along the line, a loading part on which a load can be loaded is formed. According to this, since the bumper can also be used as a loading platform, there is no need to provide a placing portion for placing a load separately. Moreover, since the length between a rotating shaft and the 2nd buffer part is set according to the protrusion distance at the time of making a loading platform protrude back, it becomes comparatively long and can ensure a big loading platform.

(第1実施形態)
以下、本発明の第1実施形態を図面を用いて詳しく説明する。図1および図2は、同実施形態に係る可動式バンパ構造20を備えた本発明の小型車両としてのゴルフカート10を示している。このゴルフカート10は、車体11の下部における前部および後部の左右両側にそれぞれ設けられた4個の車輪12と、車体11内の中央部の前後にそれぞれ設けられた二人用の前部シート13aと三人用の後部シート13bとを備えている。また、前部シート13aの前部にハンドル14が設けられ、ハンドル14の下方にアクセルペダルとブレーキペダル(図示せず)とが並んで設けられている。さらに、車体11の上部に、車体11の四隅に設けられた支持枠15を介して屋根部16が設けられている。
(First embodiment)
Hereinafter, a first embodiment of the present invention will be described in detail with reference to the drawings. 1 and 2 show a golf cart 10 as a small vehicle of the present invention provided with a movable bumper structure 20 according to the embodiment. This golf cart 10 includes four wheels 12 provided on the left and right sides of the front and rear of the lower part of the vehicle body 11 and a front seat for two persons provided on the front and rear of the center part in the vehicle body 11, respectively. 13a and a rear seat 13b for three persons. A handle 14 is provided at the front portion of the front seat 13a, and an accelerator pedal and a brake pedal (not shown) are provided below the handle 14 side by side. Furthermore, a roof portion 16 is provided on the upper portion of the vehicle body 11 via support frames 15 provided at four corners of the vehicle body 11.

また、車体後部11aの後端下部に可動式バンパ構造20が設けられ、車体11の前端下部にフロントバンパ17が取り付けられている。そして、車体後部11aの上部にはゴルフバッグ18を積載するための可動式荷台構造19が設けられている。このゴルフカート10は、前部シート13aに座った運転者がハンドル14を回転操作することにより前部の両車輪12が左右に向きを変更して、ゴルフカート10は左旋回したり右旋回したりしながら進行方向を変えて走行する。また、運転者がアクセルペダルを踏み込むとアクセルペダルの踏込み量に応じてゴルフカート10は加速しながら走行する。   A movable bumper structure 20 is provided at the lower rear end of the vehicle body rear portion 11a, and a front bumper 17 is attached to the lower front end of the vehicle body 11. A movable carrier structure 19 for loading the golf bag 18 is provided on the upper portion of the vehicle body rear portion 11a. In this golf cart 10, the driver sitting on the front seat 13 a rotates the handle 14 to change the direction of the front wheels 12 to the left and right, and the golf cart 10 turns left or right. While traveling, change the direction of travel. When the driver depresses the accelerator pedal, the golf cart 10 travels while accelerating according to the amount of depression of the accelerator pedal.

この場合、アクセルペダルの踏込み量が大きいほどゴルフカート10の加速度は大きくなり、アクセルペダルの踏込み量が小さいほどゴルフカート10の加速度は小さくなる。また、アクセルペダルの踏込み量を一定に維持するとゴルフカート10は一定速度で走行する。また、運転者がブレーキペダルを踏込むと、ブレーキペダルの踏込み量に応じて各車輪12の回転駆動が制動される。この場合、各車輪12に掛かる制動力は、ブレーキペダルの踏込み量に比例する。   In this case, the acceleration of the golf cart 10 increases as the amount of depression of the accelerator pedal increases, and the acceleration of the golf cart 10 decreases as the amount of depression of the accelerator pedal decreases. Further, if the accelerator pedal depression amount is kept constant, the golf cart 10 travels at a constant speed. When the driver depresses the brake pedal, the rotational drive of each wheel 12 is braked according to the amount of depression of the brake pedal. In this case, the braking force applied to each wheel 12 is proportional to the depression amount of the brake pedal.

可動式バンパ構造20は、図3ないし図5に示したように、枠状のバンパ本体部21と、本発明に係る第1の緩衝部としての一対の前部パンパ22a,22b(図6参照)と、本発明に係る第2の緩衝部としての一対の後部バンパ23a,23bとで構成されるバンパ24を備えている。バンパ本体部21は、車体後部11aの後部下端の両側から車体11の外部に向かって延びる一対の棒状部材21a,21bと、棒状部材21a,21bの前端側部分に掛け渡された棒状の補強部材21cとで構成されている。すなわち、車体後部11aの表面部を構成するカウルの後部下端の両側に縦長の切欠き凹部11b,11cが形成されており、棒状部材21a,21bは、前端部を中心として、切欠き凹部11b,11c内を上下方向に回転可能になっている。 As shown in FIGS. 3 to 5, the movable bumper structure 20 includes a frame-shaped bumper main body 21 and a pair of front bumpers 22a and 22b (see FIG. 6) as a first buffer according to the present invention. ) And a pair of rear bumpers 23a and 23b as a second buffer portion according to the present invention. The bumper main body portion 21 includes a pair of rod-like members 21a and 21b extending from both sides of the rear lower end of the vehicle body rear portion 11a toward the outside of the vehicle body 11, and a rod-like reinforcing member spanned between the front end side portions of the rod-like members 21a and 21b. 21c. That is, vertically long notch recesses 11b and 11c are formed on both sides of the lower end of the rear portion of the cowl constituting the surface portion of the vehicle body rear portion 11a. The rod-like members 21a and 21b are formed with the notch recesses 11b and 11b centered on the front end. The inside of 11c can be rotated up and down.

前部パンパ22a,22bは、硬質ゴムを略円筒状に形成して構成されており、棒状部材21a,21bの前端側部分の下面(図3ないし図5に示した状態での下面)にそれぞれ固定されている。また、後部バンパ23a,23bは、前部パンパ22a,22bと同一のもので構成され、棒状部材21a,21bの後端部にそれぞれ固定されている。また、棒状部材21a,21bの前端部には、車体11の幅方向に延びる回転軸25がそれぞれ設けられており(一方しか図示せず)、この回転軸25を、車体後部11aに設けられたブラケット26a,26bに回転可能に係合させることにより、バンパ24は上下方向に回転可能な状態で車体後部11aに取り付けられている。 The front bumpers 22a and 22b are formed by forming hard rubber in a substantially cylindrical shape, and are respectively formed on the lower surfaces (lower surfaces in the state shown in FIGS. 3 to 5) of the front end side portions of the rod-shaped members 21a and 21b. It is fixed. The rear bumpers 23a and 23b are the same as the front bumpers 22a and 22b, and are fixed to the rear ends of the rod-like members 21a and 21b, respectively. In addition, rotation shafts 25 extending in the width direction of the vehicle body 11 are provided at the front ends of the rod-like members 21a and 21b (only one is shown), and the rotation shaft 25 is provided at the vehicle body rear portion 11a. The bumper 24 is attached to the rear part 11a of the vehicle body so as to be rotatable in the vertical direction by being engaged with the brackets 26a and 26b so as to be rotatable.

また、可動式荷台構造19は、後述するように上下方向に回転可能になっており、可動式荷台構造19が上方に回転したときに、図6および図7に示したように、バンパ24も上方に回転することができる。そして、図6および図7に示したように、棒状部材21a,21bの前端部(図6および図7の状態では下端部)から前方(下方)に向かって、係合片27a,27bが突出している。ブラケット26a,26bは、それぞれ対向して配置された略直角三角形の片を備えており、直角を挟んだ両側部分をそれぞれ後方および上方に向けた状態で両片の直角部分が、車体後部11aの下部に車幅方向に沿って設けられた支持軸28に固定されている。この支持軸28は、車体11側に設けられたフレーム28aを介して取り付けられている。   Further, as will be described later, the movable bed structure 19 is rotatable in the vertical direction. When the movable bed structure 19 is rotated upward, the bumper 24 is also provided as shown in FIGS. Can rotate upward. Then, as shown in FIGS. 6 and 7, the engaging pieces 27a and 27b protrude from the front ends (lower ends in the state of FIGS. 6 and 7) of the rod-shaped members 21a and 21b toward the front (downward). ing. The brackets 26a and 26b are provided with substantially right-angled triangular pieces arranged opposite to each other, and the right-angle portions of both pieces are directed to the rear part 11a of the vehicle body in a state where both side parts sandwiching the right angle are directed rearward and upward, respectively. It is being fixed to the support shaft 28 provided in the lower part along the vehicle width direction. The support shaft 28 is attached via a frame 28a provided on the vehicle body 11 side.

そして、ブラケット26a,26bは、両片の後部下部側に形成された支持穴に回転軸25を回転可能に係合させてバンパ24を支持している。また、この可動式バンパ構造20では、バンパ24が下方に回転して略水平状態になったときには、係合片27a,27bが支持軸28に係合するように構成されており、これによって、バンパ24はそれ以上、下方に回転することを防止される。また、ブラケット26a,26bの前部上部側にも支持穴(図示せず)が形成されている。 The brackets 26a and 26b support the bumper 24 by rotatably engaging the rotary shaft 25 with a support hole formed on the lower rear side of both pieces. Further, the movable bumper structure 20 is configured such that when the bumper 24 rotates downward and becomes substantially horizontal, the engagement pieces 27a and 27b are engaged with the support shaft 28. The bumper 24 is prevented from further rotating downward. A support hole (not shown) is also formed on the upper front side of the brackets 26a and 26b.

可動式荷台構造19は、本発明の荷台としての可動式荷台部31と、支持アーム部32とで構成されている。また、可動式荷台部31は、車体11の後部下部側に上下方向に回転可能に取り付けられたバッグ受け荷台33と、バッグ受け荷台33の下端側部分に回転可能に連結された一対のバッグ止部支持部34a,34bと、一対のバッグ止部支持部34a,34bに取り付けられた板状のバッグ止部35とで構成されている。バッグ受け荷台33は、前端部(下端部)を支点として上下方向に回転可能な状態で車体後部11aの後部に取り付けられた一対の棒状本体36a,36bと、棒状本体36a,36bの後端部に掛け渡された棒状本体36cと、棒状本体36a,36bの前部側部分の上面に掛け渡された前部支持部材37aと、棒状本体36cの上面に取り付けられた後部支持部材37bとで構成されている。   The movable bed structure 19 includes a movable bed portion 31 as a load bed of the present invention and a support arm portion 32. In addition, the movable loading platform 31 includes a bag loading platform 33 that is rotatably mounted on the lower rear side of the vehicle body 11 and a pair of bag stoppers that are rotatably coupled to a lower end portion of the bag loading platform 33. It is comprised by the part support part 34a, 34b and the plate-shaped bag stop part 35 attached to a pair of bag stop part support part 34a, 34b. The bag carrier 33 has a pair of rod-like main bodies 36a and 36b attached to the rear portion of the vehicle body rear portion 11a in a state of being rotatable in the vertical direction with the front end portion (lower end portion) as a fulcrum, and the rear end portions of the rod-like main bodies 36a and 36b. A rod-like main body 36c that is stretched over, a front support member 37a that is stretched over the upper surfaces of the front-side portions of the rod-shaped main bodies 36a and 36b, and a rear support member 37b that is attached to the upper surface of the rod-shaped main body 36c. Has been.

前部支持部材37aと後部支持部材37bとの左右両側部分は、それぞれ斜め上方に向かって湾曲しており、これによって、ゴルフバッグ18をバッグ受け荷台33に載せたときに、ゴルフバッグ18が前部支持部材37aと後部支持部材37bとの両側から落下しないようになっている。また、棒状本体36cの中央前部には、回転支持部38が取り付けられ、棒状本体36aの前端側部分には、バンパ24の棒状部材21aが着脱自在に係合できる係合部36dが設けられている。 The left and right side portions of the front support member 37a and the rear support member 37b are respectively curved obliquely upward, so that when the golf bag 18 is placed on the bag receiving platform 33, the golf bag 18 is The part support member 37a and the rear support member 37b are prevented from dropping from both sides. In addition, a rotation support portion 38 is attached to the central front portion of the rod-shaped main body 36c, and an engagement portion 36d that can removably engage the rod-shaped member 21a of the bumper 24 is provided on the front end side portion of the rod-shaped main body 36a. ing.

この係合部36dは対向する2個の片を備えており、2個の片で棒状部材21aを挟むことにより、バンパ24をバッグ受け荷台33の下面に沿わせる。また、棒状本体36a,36bの前端部には、それぞれ車幅方向に中心軸を沿わせた軸穴(図示せず)が形成されている。そして、棒状本体36a,36bは、この軸穴を、車体後部11aの支持軸28に取り付けられたブラケット26a,26bの上部の支持穴に合わせ両穴にボルト39を係合させることにより、上下方向に回転可能な状態で車体後部11aに連結されている。 The engaging portion 36d includes two pieces facing each other, and sandwiches the rod-shaped member 21a between the two pieces, thereby causing the bumper 24 to be along the lower surface of the bag receiving platform 33. Further, shaft holes (not shown) are formed at the front end portions of the rod-like main bodies 36a and 36b, respectively, along the central axis in the vehicle width direction. The rod-shaped main bodies 36a and 36b are aligned in the vertical direction by aligning the shaft holes with the support holes on the upper portions of the brackets 26a and 26b attached to the support shaft 28 of the vehicle body rear portion 11a and engaging the bolts 39 with both holes. It is connected to the rear part 11a of the vehicle body in a rotatable state.

また、棒状本体36a,36bの下端側部分には、それぞれ、前述したバッグ止部支持部34a,34bがボルト41a,41bを介して上下方向に回転可能な状態で連結されている。このバッグ止部支持部34a,34bは、それぞれ前部側部分と、その前部側部分から左右に対向した状態で後方に延びる軸挿通穴付きの一対の支持片を備えており、一対の支持片間に棒状本体36a,36bを配置させて、ボルト41a,41bを介して棒状本体36a,36bに支持されている。そして、一対のバッグ止部支持部34a,34bの上部に、車体11の幅方向に延びるバッグ止部35が上面を後方上部に向けた状態で取り付けられている。 Further, the above-described bag stopper support portions 34a and 34b are connected to the lower end portions of the rod-shaped main bodies 36a and 36b through bolts 41a and 41b, respectively, so as to be rotatable in the vertical direction. Each of the bag stopper support portions 34a and 34b includes a front side portion and a pair of support pieces with shaft insertion holes extending rearward from the front side portion in a state of facing the left and right sides. The rod-shaped main bodies 36a and 36b are arranged between the pieces, and are supported by the rod-shaped main bodies 36a and 36b via bolts 41a and 41b. And the bag stop part 35 extended in the width direction of the vehicle body 11 is attached to the upper part of a pair of bag stop part support part 34a, 34b in the state which orient | assigned the upper surface to the back upper part.

また、支持アーム部32は、一対の棒状部材42a,42bからなる折り畳み式支持部42と、伸縮ロッド43とからなるリンク機構で構成されている。また、折り畳み式支持部42を構成する棒状部材42a,42bは、回転連結部44を介して互いに回転可能な状態で連結されている。この回転連結部44は、棒状部材42bの一端部に設けられ対向する左右一対の支持片を備えた回転支持部44aと、棒状部材42aの他端部から左右水平方向に延び、回転支持部44aに回転可能に連結された回転軸44bとで構成されており、回転軸44bは水平方向に延びる軸の軸周り方向にのみ回転可能になっている。 Further, the support arm portion 32 includes a link mechanism including a foldable support portion 42 including a pair of rod-like members 42 a and 42 b and an extendable rod 43. Further, the rod-like members 42 a and 42 b constituting the foldable support part 42 are connected to each other via a rotary connection part 44 in a rotatable state. The rotation connecting portion 44 is provided at one end portion of the rod-shaped member 42b and includes a rotation support portion 44a provided with a pair of left and right support pieces facing each other, and extends in the horizontal direction from the other end portion of the rod-shaped member 42a. The rotary shaft 44b is rotatably connected to the rotary shaft 44b. The rotary shaft 44b is rotatable only in the direction around the axis extending in the horizontal direction.

そして、棒状部材42aの一端部は、回転連結部45を介して、車体後部11aの上部側部分に連結され、棒状部材42bの他端部は、回転連結部46を介してバッグ受け荷台33の棒状本体36cに連結されている。回転連結部45は、車体後部11aの上部側部分に設けられ対向する左右一対の支持片を備えた回転支持部45aと、棒状部材42aの一端部から左右水平方向に延び、回転支持部45aに回転可能に連結された回転軸45bとで構成されており、回転軸45bは水平方向に延びる軸の軸周り方向にのみ回転可能になっている。   One end portion of the rod-shaped member 42 a is connected to the upper side portion of the vehicle body rear portion 11 a via the rotation connecting portion 45, and the other end portion of the rod-shaped member 42 b is connected to the bag receiving bed 33 via the rotation connecting portion 46. It is connected to the rod-shaped main body 36c. The rotation connecting portion 45 is provided in the upper side portion of the vehicle body rear portion 11a and includes a rotation support portion 45a provided with a pair of left and right support pieces facing each other, and extends from one end portion of the rod-shaped member 42a in the left-right horizontal direction, to the rotation support portion 45a. The rotary shaft 45b is rotatably connected to the rotary shaft 45b. The rotary shaft 45b is rotatable only around the axis extending in the horizontal direction.

また、回転連結部46は、前述した回転支持部38と、棒状部材42bの他端部から左右水平方向に延び、回転支持部38に回転可能に連結された回転軸46aとで構成されており、回転軸46aは水平方向に延びる軸の軸周り方向にのみ回転可能になっている。このため、棒状部材42a,42bが直線状に延びると、バッグ受け荷台33は、図1に示したように、下方に位置するようになり、棒状部材42a,42bが屈曲し、その屈曲角度が大きくなるとバッグ受け荷台33は、図2に示した直立状態になる。 The rotation connecting portion 46 includes the rotation support portion 38 described above and a rotation shaft 46a that extends in the horizontal direction from the other end of the rod-like member 42b and is rotatably connected to the rotation support portion 38. The rotation shaft 46a is rotatable only in the direction around the axis extending in the horizontal direction. For this reason, when the rod-shaped members 42a and 42b extend in a straight line, the bag carrier 33 is positioned below as shown in FIG. 1, the rod-shaped members 42a and 42b are bent, and the bending angle thereof is If it becomes large, the bag receiving platform 33 will be in the upright state shown in FIG.

伸縮ロッド43は、シリンダ43aと、シリンダ43a内を進退可能なロッド43bと、シリンダ43aの軸周り方向に回転可能な状態でシリンダ43aに取り付けられたレバー(図示せず)と、シリンダ43aの内部におけるレバーの両側にそれぞれ設置されたコイル状のスプリング(図示せず)とを備えている。スプリングは、それぞれ外側の端部がシリンダ43aに固定され、内側の端部がレバーに固定されており、通常時は、ロッド43bを締め付けて固定する。また、レバーを、一方に回転させると、スプリングによるロッド43bの締付力が小さくなって、ロッド43bをシリンダ43aの長手方向に沿った所定位置に移動させることができる。   The telescopic rod 43 includes a cylinder 43a, a rod 43b that can move forward and backward in the cylinder 43a, a lever (not shown) that is attached to the cylinder 43a so as to be rotatable about the axis of the cylinder 43a, and an interior of the cylinder 43a. And coiled springs (not shown) installed on both sides of the lever. Each of the springs has an outer end fixed to the cylinder 43a and an inner end fixed to the lever. Normally, the spring 43 is fixed by tightening the rod 43b. When the lever is rotated in one direction, the tightening force of the rod 43b by the spring is reduced, and the rod 43b can be moved to a predetermined position along the longitudinal direction of the cylinder 43a.

また、伸縮ロッド43の一端部は、回転連結部47を介して、棒状部材42aの下面における一端側部分に連結され、伸縮ロッド43の他端部は、回転連結部48を介して棒状部材42bの下面における略中央部に連結されている。回転連結部47は、ロッド43bの一端部に設けられ左右水平方向に延びる回転軸47aと、棒状部材42aの下面に設けられ回転軸47aを回転可能に支持する回転支持部47bとで構成されており、回転軸47aは水平方向に延びる軸の軸周り方向にのみ回転可能になっている。   Further, one end of the telescopic rod 43 is connected to one end side portion of the lower surface of the rod-shaped member 42 a via the rotation connecting portion 47, and the other end of the telescopic rod 43 is connected to the rod-shaped member 42 b via the rotating connecting portion 48. It is connected to a substantially central portion on the lower surface of the. The rotation connecting portion 47 includes a rotation shaft 47a provided at one end of the rod 43b and extending in the horizontal direction, and a rotation support portion 47b provided on the lower surface of the rod-like member 42a and rotatably supporting the rotation shaft 47a. The rotation shaft 47a is rotatable only in the direction around the axis extending in the horizontal direction.

また、回転連結部48は、シリンダ43aの他端部に設けられ、左右方向に延びる回転軸48aと、棒状部材42bの下面に設けられ回転軸48aを回転可能に支持する回転支持部48bとで構成されており、回転軸48aは水平方向に延びる軸の軸周り方向にのみ回転可能になっている。また、レバーには、ケーブル49aを介してロック解除レバー49が連結されている。このロック解除レバー49は、棒状本体36cの長手方向に沿うようにして、棒状本体36cの下面における右側部分に取り付けられており、ばね部材(図示せず)によって、棒状本体36cから遠ざかるように付勢されている。   The rotation connecting portion 48 is provided at the other end of the cylinder 43a, and includes a rotation shaft 48a extending in the left-right direction, and a rotation support portion 48b provided on the lower surface of the rod-like member 42b and rotatably supporting the rotation shaft 48a. The rotary shaft 48a is configured to be rotatable only in the direction around the axis extending in the horizontal direction. In addition, an unlock lever 49 is connected to the lever via a cable 49a. The unlocking lever 49 is attached to the right side portion of the lower surface of the rod-shaped main body 36c along the longitudinal direction of the rod-shaped main body 36c, and is attached so as to be separated from the rod-shaped main body 36c by a spring member (not shown). It is energized.

そして、ロック解除レバー49を操作して、棒状本体36cに近づけるとレバーが、回転してスプリングによるロッド43bの締付力を小さくして、ロッド43bを移動可能にする。また、ロック解除レバー49を放して、棒状本体36cから遠ざけると、レバーが元の位置に戻ってスプリングによるロッド43bの締付力が大きくなりロッド47bをシリンダ43aに固定する。このため、ロック解除レバー49を操作しながら可動式荷台部31を上下移動させることにより、可動式荷台部31の傾斜角度を任意の角度に調節することができる。 Then, when the lock release lever 49 is operated to approach the rod-shaped main body 36c, the lever rotates to reduce the tightening force of the rod 43b by the spring so that the rod 43b can be moved. Further, when the lock release lever 49 is released and moved away from the rod-shaped main body 36c, the lever returns to its original position, and the tightening force of the rod 43b by the spring increases and the rod 47b is fixed to the cylinder 43a. For this reason, the inclination angle of the movable platform 31 can be adjusted to an arbitrary angle by moving the movable platform 31 up and down while operating the lock release lever 49.

つぎに、以上のように構成された可動式バンパ構造20を備えたゴルフカート10を使用する場合について説明する。この場合、まず、バンパ24を下方に回転して係合片27a,27bを支持軸28に係合させる。これによって、バンパ24は略水平状態になって後方に延び、その後端部に後部バンパ23a,23bが位置するようになる。つぎに、ロック解除レバー49を棒状本体36c側に押した状態で、伸縮ロッド43を伸長または収縮させて、バッグ受け荷台33の位置を、図1の状態か、または図1の状態よりもやや高い任意の位置になるように調節する。   Next, a case where the golf cart 10 including the movable bumper structure 20 configured as described above is used will be described. In this case, first, the bumper 24 is rotated downward to engage the engagement pieces 27 a and 27 b with the support shaft 28. As a result, the bumper 24 becomes substantially horizontal and extends rearward, and the rear bumpers 23a and 23b are positioned at the rear ends thereof. Next, the telescopic rod 43 is extended or contracted in a state where the lock release lever 49 is pushed toward the rod-shaped main body 36c, so that the position of the bag carrier 33 is in the state of FIG. 1 or slightly from the state of FIG. Adjust it so that it is at a high arbitrary position.

ついで、ロック解除レバー49を放してバッグ受け荷台33をその位置に固定したのちに、バッグ止部35を回転させて棒状本体36a,36bから離間させる。このときのバッグ止部35と棒状本体36a,36bとの角度は略直角になる。そして、ゴルフバッグ18を、可動式荷台部31の上に載せる。この場合、可動式荷台部31には、支持アーム部32を挟んで、両側に2個ずつ、合計4個のゴルフバッグ18を載せることができ、各ゴルフバッグ18は、底部をバッグ止部35に当て、側部における下部側部分と上部側部分とをそれぞれ前部支持部材37aと後部支持部材37bとに当てた状態で可動式荷台部31に積載される。 Next, after releasing the lock release lever 49 and fixing the bag receiving platform 33 in that position, the bag stopper 35 is rotated to be separated from the rod-shaped main bodies 36a, 36b. At this time, the angle between the bag stopper 35 and the rod-shaped main bodies 36a, 36b is substantially a right angle. Then, the golf bag 18 is placed on the movable bed 31. In this case, a total of four golf bags 18, two on each side, can be placed on both sides of the movable loading platform 31 with the support arm 32 interposed therebetween. And the lower side portion and the upper side portion of the side portion are loaded on the movable platform 31 with the front support member 37a and the rear support member 37b being in contact with each other.

また、バッグ受け荷台33の下面には、図8に示したように、ゴルフクラブや傘などをを収容するためのケース18aを取り付けることができるようになっており、ケース18aを取り付けた場合でもバッグ受け荷台33は、ケース18aをバンパ24に干渉させることなくその傾斜角度を調節できる。この状態で、ゴルフカート10を運転して走行させ、ゴルフ場のコースを回る。そして、ゴルフカート10が走行しているときに、後続の他のゴルフカート10が接近して、図9に示したように、両ゴルフカート10が衝突した場合には、バンパ24の後部バンパ23a,23bが、後続のゴルフカート10のフロントバンパ17に当たる。 Further, as shown in FIG. 8, a case 18a for accommodating a golf club, an umbrella, or the like can be attached to the lower surface of the bag carrier 33, even when the case 18a is attached. The bag receiving platform 33 can adjust the inclination angle of the case 18 a without causing the case 18 a to interfere with the bumper 24. In this state, the golf cart 10 is driven and traveled to go around the course of the golf course. Then, when the golf cart 10 is traveling, when another golf cart 10 approaches and the two golf carts 10 collide as shown in FIG. 9, the rear bumper 23a of the bumper 24 is reached. , 23b hits the front bumper 17 of the subsequent golf cart 10.

このため、後部バンパ23a,23bとフロントバンパ17によって両ゴルフカート10の衝撃が緩衝される。また、バンパ24が後方に延びているため、後続のゴルフカート10が前方のゴルフカート10の可動式荷台構造19に衝突することが防止される。そして、ゴルフカート10の使用が終了して、ゴルフカート10を所定の場所に回収する際には、可動式荷台部31から、ゴルフバッグ18を降ろす。ついで、ロック解除レバー49を棒状本体36c側に押した状態で、可動式荷台部31を上方に押し上げる。 For this reason, the impacts of both the golf carts 10 are buffered by the rear bumpers 23 a and 23 b and the front bumper 17. Further, since the bumper 24 extends rearward, the subsequent golf cart 10 is prevented from colliding with the movable bed structure 19 of the front golf cart 10. Then, when the use of the golf cart 10 is finished and the golf cart 10 is collected in a predetermined place, the golf bag 18 is lowered from the movable loading platform 31. Next, in a state where the lock release lever 49 is pushed toward the rod-shaped main body 36c, the movable loading platform 31 is pushed up.

そして、可動式荷台部31が略垂直状態になったときに、ロック解除レバー49を放して可動式荷台部31をその位置に固定する。この場合、ロック解除レバー49と棒状本体36cとを片手で持って操作することができる。つぎに、バンパ24を上方に回転して係合片27a,27bと支持軸28との係合を解除させる。そして、バンパ24の棒状部材21aが、可動式荷台部31の棒状本体36aに設けられた係合部36dに係合するまでバンパ24を上方に回転させ、図10の状態にする。これによって、バンパ24は略垂直状態になって上方に延び、その下端後端部に前部バンパ22a,22bが位置する。 When the movable platform 31 is in a substantially vertical state, the lock release lever 49 is released to fix the movable platform 31 in that position. In this case, the lock release lever 49 and the rod-like main body 36c can be operated with one hand. Next, the bumper 24 is rotated upward to release the engagement between the engagement pieces 27a and 27b and the support shaft 28. Then, the bumper 24 is rotated upward until the rod-shaped member 21a of the bumper 24 engages with the engaging portion 36d provided on the rod-shaped main body 36a of the movable loading platform 31, and the state shown in FIG. As a result, the bumper 24 is in a substantially vertical state and extends upward, and the front bumpers 22a and 22b are located at the rear end of the lower end.

この状態のゴルフカート10が走行しているときに、後続の他のゴルフカート10が接近して、図11に示したように、両ゴルフカート10が衝突した場合には、バンパ24の前部バンパ22a,22bが、後続のゴルフカート10のフロントバンパ17に当たる。このため、前部バンパ22a,22bとフロントバンパ17によって両ゴルフカート10の衝撃が緩衝される。また、図11のように、バッグ受け荷台33にケース18aが取り付けられていても、ケース18aが、後続のゴルフカート10に衝突することはない。また、このように、可動式荷台部31およびバンパ24を略垂直状態にしたときには、可動式荷台部31やバンパ24が後方に突出しなくなるため、邪魔になることがなくなる。この結果、複数のゴルフカート10を前後に接近させて効率よく車庫等に収容することができる。 When the golf cart 10 in this state is traveling, when the other golf carts 10 approach and the two golf carts 10 collide as shown in FIG. The bumpers 22 a and 22 b hit the front bumper 17 of the subsequent golf cart 10. For this reason, the impacts of both the golf carts 10 are buffered by the front bumpers 22 a and 22 b and the front bumper 17. Further, as shown in FIG. 11, even if the case 18 a is attached to the bag receiving platform 33, the case 18 a does not collide with the subsequent golf cart 10. In addition, when the movable platform 31 and the bumper 24 are in a substantially vertical state as described above, the movable platform 31 and the bumper 24 do not protrude rearward, so that they do not get in the way. As a result, the plurality of golf carts 10 can be accommodated in a garage or the like efficiently by approaching the front and rear.

このように、本実施形態に係る可動式バンパ構造20では、バンパ24が、所定の長さを備えた枠状のバンパ本体部21と、バンパ本体部21の前端下部に設けられた前部パンパ22a,22bと、バンパ本体部21の後端部に設けられた後部バンパ23a,23bとで構成されている。そして、バンパ24は、上下方向に回転可能な状態で車体後部11aに取り付けられている。このため、可動式荷台部31を車体11の後方に突出するように下方に回転させたときには、バンパ24を水平状態にして後方に延ばすことにより、後部バンパ23a,23bでバンパ機能を確保できる。   As described above, in the movable bumper structure 20 according to the present embodiment, the bumper 24 includes the frame-shaped bumper main body portion 21 having a predetermined length, and the front bumper provided at the lower front end of the bumper main body portion 21. 22a and 22b, and rear bumpers 23a and 23b provided at the rear end of the bumper main body 21. The bumper 24 is attached to the vehicle body rear portion 11a so as to be rotatable in the vertical direction. For this reason, when the movable loading platform 31 is rotated downward so as to protrude rearward of the vehicle body 11, the bumper 24 can be secured in the rear bumpers 23a and 23b by extending the bumper 24 in the horizontal state.

また、可動式荷台部31を上方に回転させたときには、バンパ24を垂直状態にして上方に延ばすことにより、前部バンパ22a,22bでバンパ機能を確保できる。また、可動式荷台部31とバンパ24の双方を上方に回転して垂直状態にした場合には、車体11の前後方向の長さが短くなるため、複数のゴルフカート10を前後に並べて収納するときに、各ゴルフカート10を接近させることができ、収納スペースを狭くすることができる。また、バンパ24を上下に回転させるための機構が、回転軸25を介してバンパ24をブラケット26a,26bに対して回転可能にするだけであるため、構造が単純でかつ安価に構成できる。 Further, when the movable platform 31 is rotated upward, the bumper 24 can be secured by the front bumpers 22a and 22b by extending the bumper 24 in a vertical state. Further, when both the movable platform 31 and the bumper 24 are rotated upward to be in a vertical state, the length of the vehicle body 11 in the front-rear direction is shortened, so that a plurality of golf carts 10 are stored side by side. Sometimes, the golf carts 10 can be brought close to each other, and the storage space can be narrowed. Further, since the mechanism for rotating the bumper 24 up and down only allows the bumper 24 to rotate with respect to the brackets 26a and 26b via the rotary shaft 25, the structure can be simple and inexpensive.

さらに、前述した実施形態に係る可動式バンパ構造20では、バンパ24を上方と下方のいずれの方向に回転させても、使用しない方の前部バンパ22a,22bまたは後部バンパ23a,23bがゴルフカート10の走行等に支障を生じさせないようにしてバンパ本体部21、前部パンパ22a,22bおよび後部バンパ23a,23bが配置されている。したがって、バンパ24が、ゴルフカート10の走行の傷害になることがない。さらに、バンパ24を上方に回転したときの前部バンパ22a,22bの路面からの高さと、バンパ24を下方に回転したときの後部バンパ23a,23bの路面からの高さが同じであるため、同じゴルフカート10と衝突した場合の緩衝機能が同じになる。また、棒状部材21a,21bの前端側部分が補強部材21cで連結されているため、棒状部材21a,21bの一方だけを操作してもバンパ24全体を回転させることができ回転作業性がよくなる。   Furthermore, in the movable bumper structure 20 according to the above-described embodiment, the front bumpers 22a and 22b or the rear bumpers 23a and 23b which are not used are not used when the bumper 24 is rotated in either the upper or lower direction. The bumper main body 21, the front bumpers 22a and 22b, and the rear bumpers 23a and 23b are arranged so as not to hinder the traveling of the vehicle 10 or the like. Therefore, the bumper 24 does not cause an injury in running the golf cart 10. Further, the height from the road surface of the front bumpers 22a and 22b when the bumper 24 is rotated upward is the same as the height from the road surface of the rear bumpers 23a and 23b when the bumper 24 is rotated downward. The shock absorbing function when colliding with the same golf cart 10 is the same. Further, since the front end side portions of the rod-like members 21a and 21b are connected by the reinforcing member 21c, the entire bumper 24 can be rotated even if only one of the rod-like members 21a and 21b is operated, and the rotation workability is improved.

(第2実施形態)
図12ないし図14は、本発明の第2実施形態に係る可動式バンパ構造50を示している。この可動式バンパ構造20では、バンパ54のバンパ本体部51が、平面視が略台形の板状に形成されている。そして、バンパ本体部51の前端部下面(図14では、下端部後面)に前部バンパ52がバンパ本体部51の縁部に沿って形成されている。また、バンパ本体部51の後端部の両側に緩やかな突起状の後部バンパ53a,53bが形成されている。
(Second Embodiment)
12 to 14 show a movable bumper structure 50 according to a second embodiment of the present invention. In the movable bumper structure 20, the bumper main body 51 of the bumper 54 is formed in a plate shape having a substantially trapezoidal shape in plan view. A front bumper 52 is formed along the edge of the bumper main body 51 on the lower surface of the front end of the bumper main body 51 (in FIG. 14, the rear surface of the lower end). In addition, gentle bump-like rear bumpers 53a and 53b are formed on both sides of the rear end portion of the bumper main body 51.

これらのバンパ本体部51、前部バンパ52および後部バンパ53a,53bは一体として形成されている。また、バンパ本体部51の上面における両側部分には、間隔を保って、砂や水等を収容する容器55を載置できる凹部からなる載置部56a,56bが形成されている。この可動式バンパ構造50のそれ以外の部分の構成は、前述した第1実施形態の可動式バンパ構造20と同一である。したがって、同一部分に同一符号を記して説明は省略する。 The bumper body 51, the front bumper 52, and the rear bumpers 53a and 53b are integrally formed. In addition, on both side portions of the upper surface of the bumper main body 51, mounting portions 56a and 56b each including a recess in which a container 55 for storing sand, water, or the like can be placed with a space therebetween. The rest of the configuration of the movable bumper structure 50 is the same as that of the movable bumper structure 20 of the first embodiment described above. Accordingly, the same parts are denoted by the same reference numerals and the description thereof is omitted.

この可動式バンパ構造50においては、バンパ54を後方に延ばした状態のときには、載置部56a,56bに容器55等を載置することができるが、図14のように、バンパ54を垂直状態にしたときには、容器55等を載置部56a,56bから降ろしておく。また、この可動式バンパ構造50では、前部バンパ52および後部バンパ53a,53bの車幅方向の長さが長いため、後続のゴルフカート10が真っ直ぐな方向でなく多少の角度を持って衝突してきても良好な緩衝機能を発揮することができる。この可動式バンパ構造50のそれ以外の作用効果については、前述した可動式バンパ構造20と同様である。   In the movable bumper structure 50, when the bumper 54 is extended rearward, the container 55 or the like can be placed on the placement portions 56a and 56b. However, as shown in FIG. When this is done, the container 55 and the like are lowered from the placement portions 56a and 56b. Further, in this movable bumper structure 50, the front bumper 52 and the rear bumpers 53a and 53b are long in the vehicle width direction, so that the subsequent golf cart 10 collides with a slight angle rather than a straight direction. However, a good buffer function can be exhibited. Other functions and effects of the movable bumper structure 50 are the same as those of the movable bumper structure 20 described above.

(第3実施形態)
図15は、本発明の第3実施形態に係る可動式バンパ構造60を示している。この可動式バンパ構造60では、バンパ64のバンパ本体部61a,61bが、それぞれ垂直方向に配置された回転軸65a,65bを中心として、後方から車体後部11aの幅方向にかけての水平方向に回転可能に取り付けられている。そして、バンパ本体部61a,61bの前端側部分の外側面(二点鎖線で示した状態では、後面)にそれぞれ前部バンパ62a,62bが形成され、バンパ本体部61a,61bの後端部に後部バンパ63a,63bが形成されている。
(Third embodiment)
FIG. 15 shows a movable bumper structure 60 according to a third embodiment of the present invention. In this movable bumper structure 60, the bumper main body portions 61a and 61b of the bumper 64 can rotate in the horizontal direction from the rear to the width direction of the vehicle body rear portion 11a around the rotation shafts 65a and 65b arranged in the vertical direction. Is attached. Front bumpers 62a and 62b are formed on the outer surfaces of the front end portions of the bumper main body portions 61a and 61b (rear surfaces in the state indicated by the two-dot chain line), respectively, and the rear end portions of the bumper main body portions 61a and 61b are formed. Rear bumpers 63a and 63b are formed.

この可動式バンパ構造60のそれ以外の部分の構成は、前述した第1実施形態の可動式バンパ構造20と同一である。この可動式バンパ構造60においては、前部バンパ62a,62bを使用するときには、バンパ64が車体11に沿った状態になって、外部に突出しなくなるため邪魔になることがない。この可動式バンパ構造60のそれ以外の作用効果については、前述した可動式バンパ構造20と同様である。   The rest of the configuration of the movable bumper structure 60 is the same as that of the movable bumper structure 20 of the first embodiment described above. In the movable bumper structure 60, when the front bumpers 62a and 62b are used, the bumper 64 is in a state along the vehicle body 11 and does not protrude outside, so that it does not get in the way. Other functions and effects of the movable bumper structure 60 are the same as those of the movable bumper structure 20 described above.

(第4実施形態)
図16および図17は、本発明の第4実施形態に係る可動式バンパ構造70を示している。なお、この可動式バンパ構造70は左右一対のもので構成されるが図16および図17では一方の可動式バンパ構造70を示している。この可動式バンパ構造70では、バンパ74のバンパ本体部71が棒状に形成されている。また、前部バンパと後部バンパとが1個の前後バンパ72で構成されて、バンパ本体部71の後端部に固定されている。そして、バンパ本体部71の前端部に円板状の係止部73が設けられ、バンパ本体部71の前部側部分と後部側部分とにそれぞれ係合凹部75a,75bが形成されている。
(Fourth embodiment)
16 and 17 show a movable bumper structure 70 according to a fourth embodiment of the present invention. Although this movable bumper structure 70 is composed of a pair of left and right, FIGS. 16 and 17 show one movable bumper structure 70. In this movable bumper structure 70, the bumper main body 71 of the bumper 74 is formed in a rod shape. Further, the front bumper and the rear bumper are constituted by one front and rear bumper 72 and are fixed to the rear end portion of the bumper main body 71. A disc-shaped locking portion 73 is provided at the front end portion of the bumper main body 71, and engagement concave portions 75 a and 75 b are formed in the front side portion and the rear side portion of the bumper main body portion 71, respectively.

そして、このバンパ74は、バンパ本体部71を車体後部11aに設けられた支持部材76の挿通穴76a内に位置させて、前後バンパ72と係止部73とで挿通穴76a内から抜け止めされた状態で移動可能に取り付けられている。また、支持部材76の後部側部分には、支持部材76の外面と内面とに貫通する穴部76bが形成されており、この穴部76bにばね78を介して係合凹部75a,75bに係合可能なロック用ノブ79が取り付けられている。また、ばね78は、穴部76bから抜け止めされて、ロック用ノブ79を挿通穴76a内側に付勢する。 The bumper 74 is prevented from being removed from the insertion hole 76a by the front and rear bumpers 72 and the locking portion 73, with the bumper main body 71 positioned in the insertion hole 76a of the support member 76 provided in the vehicle body rear portion 11a. It is attached so that it can be moved. In addition, a hole 76b that penetrates the outer surface and the inner surface of the support member 76 is formed in the rear portion of the support member 76, and the hole 76b is engaged with the engagement recesses 75a and 75b via a spring 78. A lockable knob 79 is attached. The spring 78 is prevented from coming off from the hole 76b and biases the locking knob 79 to the inside of the insertion hole 76a.

このため、ロック用ノブ79を引っ張った状態で、バンパ本体部71を前後方向に移動させ、ロック用ノブ79を係合凹部75aに係合させることにより、図17のように、バンパ74を後方に突出させた状態にでき、ロック用ノブ79を係合凹部75bに係合させることにより、図16のように、バンパ74の前後バンパ72以外の部分を車体後部11a内に後退させた状態にできる。この可動式バンパ構造70のそれ以外の部分の構成は、前述した第1実施形態の可動式バンパ構造20と同一である。この可動式バンパ構造70においては、バンパ74を車体後部11a内に後退させて使用するときには、バンパ74の前後バンパ72以外の部分が車体後部11a内に入ってしまうため、邪魔になることがない。この可動式バンパ構造70のそれ以外の作用効果については、前述した可動式バンパ構造20と同様である。 Therefore, the bumper main body 71 is moved in the front-rear direction while the locking knob 79 is pulled, and the locking knob 79 is engaged with the engaging recess 75a, so that the bumper 74 is moved backward as shown in FIG. By engaging the locking knob 79 with the engaging recess 75b, the portion other than the front and rear bumpers 72 of the bumper 74 is retracted into the vehicle body rear portion 11a as shown in FIG. it can. The rest of the configuration of the movable bumper structure 70 is the same as that of the movable bumper structure 20 of the first embodiment described above. In the movable bumper structure 70, when the bumper 74 is used by being retracted into the vehicle body rear portion 11a, the portions other than the front and rear bumpers 72 of the bumper 74 enter the vehicle body rear portion 11a, so that there is no obstacle. . Other functions and effects of the movable bumper structure 70 are the same as those of the movable bumper structure 20 described above.

また、本発明は、前述した実施形態に限定するものでなく、本発明の技術的範囲内で適宜変更して実施することができる。例えば、前述した実施形態では、小型車両をゴルフカート10としたが、この小型車両は、ゴルフカートに限定されるものでなく、傾斜角度を調整可能な荷台を備えた小型車両であればなんでもよい。また、それ以外のゴルフカート10や可動式バンパ構造20等を構成する各部分についても適宜変更することができる。   The present invention is not limited to the above-described embodiment, and can be implemented with appropriate modifications within the technical scope of the present invention. For example, in the above-described embodiment, the small vehicle is the golf cart 10, but the small vehicle is not limited to the golf cart, and may be any small vehicle provided with a loading platform capable of adjusting an inclination angle. . Moreover, it can change suitably also about each part which comprises the golf cart 10, the movable bumper structure 20, etc. other than that.

本発明の第1実施形態に係る可動式バンパ構造を備えたゴルフカートを示した側面図である。It is the side view which showed the golf cart provided with the movable bumper structure which concerns on 1st Embodiment of this invention. ゴルフカートが備えるバンパを上方に回転させた状態を示した側面図である。It is the side view which showed the state which rotated the bumper with which a golf cart is provided upwards. 可動式バンパ構造を後方から見た状態を示した斜視図である。It is the perspective view which showed the state which looked at the movable bumper structure from back. バンパの取付構造を示した一部切欠き斜視図である。It is the partially cutaway perspective view which showed the attachment structure of the bumper. 可動式荷台部とバンパとの取付構造を示した側面図である。It is the side view which showed the attachment structure of a movable loading platform part and a bumper. バンパが略垂直状態になったときのバンパの取付構造を示した一部切欠き斜視図である。FIG. 5 is a partially cutaway perspective view showing a bumper mounting structure when the bumper is in a substantially vertical state. バンパが略垂直状態になったときのバンパの取付構造を示した側面図である。底受部とバッグ受け荷台との連結状態を示した斜視図である。It is the side view which showed the attachment structure of the bumper when a bumper will be in a substantially perpendicular state. It is the perspective view which showed the connection state of a bottom receiving part and a bag receiving platform. バッグ受け荷台にケースを取り付けた状態を示した側面図である。It is the side view which showed the state which attached the case to the bag receiving platform. バンパを後方に延ばした状態のゴルフカートが追突した状態を示した側面図である。It is the side view which showed the state which the golf cart of the state which extended the bumper rearward collided. ケースが取り付けられたバッグ受け荷台を垂直に向けた状態を示した側面図である。It is the side view which showed the state which orient | assigned the bag receiving platform to which the case was attached vertically. バンパを上方に延ばした状態のゴルフカートが追突した状態を示した側面図である。It is the side view which showed the state which the golf cart of the state which extended the bumper protruded. 本発明の第2実施形態に係る可動式バンパ構造を示した側面図である。It is the side view which showed the movable bumper structure which concerns on 2nd Embodiment of this invention. 図12の底面図である。It is a bottom view of FIG. 図12の可動式バンパ構造のバンパを上方に回転させた状態を示した側面図である。It is the side view which showed the state which rotated the bumper of the movable bumper structure of FIG. 12 upwards. 本発明の第3実施形態に係る可動式バンパ構造を示した平面図である。It is the top view which showed the movable bumper structure which concerns on 3rd Embodiment of this invention. 本発明の第4実施形態に係る可動式バンパ構造を示した断面図である。It is sectional drawing which showed the movable bumper structure which concerns on 4th Embodiment of this invention. 図16の可動式バンパ構造のバンパが後方に延びた状態を示した断面図である。FIG. 17 is a cross-sectional view illustrating a state in which the bumper of the movable bumper structure of FIG. 16 extends rearward.

符号の説明Explanation of symbols

10…ゴルフカート、11…車体、11a…車体後部、20,50,60,70…可動式バンパ構造、21,51,61a,61b,71…バンパ本体部、22a,22b,52,62a,62b,72…前部バンパ、23a,23b,53a,53b,63a,63b…後部バンパ、24,54,64,74…バンパ、25,65a,65b…回転軸、31…可動式荷台部、55…容器、56a,56b…載置部。
DESCRIPTION OF SYMBOLS 10 ... Golf cart, 11 ... Car body, 11a ... Car body rear part, 20, 50, 60, 70 ... Movable bumper structure, 21, 51, 61a, 61b, 71 ... Bumper main-body part, 22a, 22b, 52, 62a, 62b 72 ... Front bumper, 23a, 23b, 53a, 53b, 63a, 63b ... Rear bumper, 24, 54, 64, 74 ... Bumper, 25, 65a, 65b ... Rotating shaft, 31 ... Movable bed, 55 ... Container, 56a, 56b ... placement part.

Claims (5)

前端側部分を支点として上下方向に回転することにより傾斜角度が調節可能になった荷台と、バンパとが、車体後部に設けられた小型車両の可動式バンパ構造であって、
前記バンパが、後端部の位置を前後方向に変更可能にして前記車体後部に取り付けられたバンパ本体部と、前記バンパ本体部に設けられた緩衝部とで構成され、前記バンパ本体部の後端部が前記車体後部の後方における前部側と後部側との双方の位置に位置したときのそれぞれの位置における前記バンパ本体部の後端に前記緩衝部が位置するようにしたことを特徴とする小型車両の可動式バンパ構造。
A load carrier structure of a small vehicle provided at the rear part of the vehicle body, and a loading platform whose inclination angle can be adjusted by rotating in the vertical direction with the front end side portion as a fulcrum,
The bumper includes a bumper main body portion attached to the rear portion of the vehicle body with a rear end position being changeable in the front-rear direction, and a buffer portion provided in the bumper main body portion, and the rear of the bumper main body portion. The buffer portion is positioned at the rear end of the bumper main body portion at each position when the end portion is positioned at both the front side and the rear side at the rear of the rear of the vehicle body. Movable bumper structure for small vehicles.
前記バンパ本体部の前端部を、回転軸を中心として回転可能な状態で前記車体後部に取り付けることにより、前記バンパ本体部の後端部の位置を前後方向に変更可能にするとともに、前記緩衝部を第1の緩衝部と第2の緩衝部とで構成し、前記バンパ本体部の後端部が前記車体後部の後方における前部側に位置したときの前記バンパ本体部の前端側部分の後部に前記第1の緩衝部を設け、前記バンパ本体部の後端部が前記車体後部における後部側に位置したときの前記バンパ本体部の後端部に前記第2の緩衝部を設けた請求項1に記載の小型車両の可動式バンパ構造。   By attaching the front end portion of the bumper main body portion to the rear portion of the vehicle body so as to be rotatable about a rotation axis, the position of the rear end portion of the bumper main body portion can be changed in the front-rear direction, and the buffer portion Of the front end side portion of the bumper main body when the rear end of the bumper main body is positioned on the front side behind the rear of the vehicle body. The first buffer portion is provided, and the second buffer portion is provided at the rear end portion of the bumper main body portion when the rear end portion of the bumper main body portion is positioned on the rear side in the rear portion of the vehicle body. 2. A movable bumper structure for a small vehicle according to 1. 前記回転軸を前記車体の幅方向に配置し、前記バンパ本体部が前記回転軸の軸周り方向に沿って上方に回転したときに、前記バンパ本体部の前端側部分における後部に設けられた前記第1の緩衝部が後方に向かって突出し、前記バンパ本体部が前記回転軸の軸周り方向に沿って下方に回転したときに、前記バンパ本体部の後端部に設けられた前記第2の緩衝部が後方に向かって突出するようにした請求項2に記載の小型車両の可動式バンパ構造。   The rotating shaft is disposed in the width direction of the vehicle body, and the bumper main body portion is provided at a rear portion of a front end side portion of the bumper main body portion when the bumper main body portion is rotated upward along a direction around the axis of the rotating shaft. The second buffer provided at the rear end portion of the bumper main body portion when the first buffer portion protrudes rearward and the bumper main body portion rotates downward along the direction around the axis of the rotation shaft. The movable bumper structure for a small vehicle according to claim 2, wherein the buffer portion protrudes rearward. 前記回転軸の軸方向から見て、前記バンパは、前記回転軸と前記第1の緩衝部とを結ぶ第1の仮想直線と、前記回転軸と前記第2の緩衝部とを結ぶ第2の仮想直線とが略L字形を形成するように構成され、前記バンパ本体部が前記回転軸の軸周り方向に沿って下方に回転したときに、前記第1の仮想直線が前記回転軸から下方に延び、前記第2の仮想直線が前記回転軸から後方水平方向に延びるようにした請求項3に記載の小型車両の可動式バンパ構造。   When viewed from the axial direction of the rotating shaft, the bumper includes a first imaginary straight line connecting the rotating shaft and the first buffer portion, and a second linking line connecting the rotating shaft and the second buffer portion. The virtual straight line is configured to form a substantially L shape, and when the bumper main body portion is rotated downward along the direction around the axis of the rotation axis, the first virtual line is downward from the rotation axis. The movable bumper structure for a small vehicle according to claim 3, wherein the second imaginary straight line extends in a rearward horizontal direction from the rotation axis. 前記バンパ本体部における前記回転軸と前記第2の緩衝部との間に、前記バンパ本体部が前記回転軸の軸周り方向に沿って下方に回転したときに、荷物を載置できる載置部を形成した請求項4に記載の小型車両の可動式バンパ構造。
A placement portion on which a load can be placed when the bumper body portion rotates downwardly along the direction of the axis of the rotation shaft between the rotation shaft and the second buffer portion in the bumper body portion. The movable bumper structure for a small vehicle according to claim 4, wherein:
JP2005256759A 2005-09-05 2005-09-05 Movable bumper structure for small-sized vehicle Pending JP2007069672A (en)

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JP2005256759A JP2007069672A (en) 2005-09-05 2005-09-05 Movable bumper structure for small-sized vehicle
KR1020060068320A KR20070025983A (en) 2005-09-05 2006-07-21 Movable bumper structure of small vehicle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190071041A1 (en) * 2017-09-01 2019-03-07 Brett A. Levy Bumper used in a Motorized Vehicle

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JPH08175275A (en) * 1994-12-27 1996-07-09 Toyota Autom Loom Works Ltd Carrier installation for automobile
JPH09136579A (en) * 1995-11-13 1997-05-27 Toyota Autom Loom Works Ltd Carrier
JP2001224722A (en) * 2000-02-16 2001-08-21 Shin Kobe Electric Mach Co Ltd Sulky golf cart
JP2002331056A (en) * 2001-05-09 2002-11-19 Shin Kobe Electric Mach Co Ltd Riding golf cart
JP2002347545A (en) * 2001-05-23 2002-12-04 Araco Corp Vehicle equipped with carrier

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08175275A (en) * 1994-12-27 1996-07-09 Toyota Autom Loom Works Ltd Carrier installation for automobile
JPH09136579A (en) * 1995-11-13 1997-05-27 Toyota Autom Loom Works Ltd Carrier
JP2001224722A (en) * 2000-02-16 2001-08-21 Shin Kobe Electric Mach Co Ltd Sulky golf cart
JP2002331056A (en) * 2001-05-09 2002-11-19 Shin Kobe Electric Mach Co Ltd Riding golf cart
JP2002347545A (en) * 2001-05-23 2002-12-04 Araco Corp Vehicle equipped with carrier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190071041A1 (en) * 2017-09-01 2019-03-07 Brett A. Levy Bumper used in a Motorized Vehicle
US10543797B2 (en) * 2017-09-01 2020-01-28 Brett A. Levy Bumper used in a motorized vehicle

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