JP3479011B2 - Side wall opening / closing device for mounting on vehicle bed - Google Patents
Side wall opening / closing device for mounting on vehicle bedInfo
- Publication number
- JP3479011B2 JP3479011B2 JP31832299A JP31832299A JP3479011B2 JP 3479011 B2 JP3479011 B2 JP 3479011B2 JP 31832299 A JP31832299 A JP 31832299A JP 31832299 A JP31832299 A JP 31832299A JP 3479011 B2 JP3479011 B2 JP 3479011B2
- Authority
- JP
- Japan
- Prior art keywords
- side wall
- expansion
- gas spring
- contraction
- contraction operation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、貨物自動車や鉄道
貨物車両等の車両の荷台に搭載する車両荷台搭載用の荷
箱、特に、側壁面が開閉自在の幌あるいはパネル等から
なる側壁面開閉装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loading box for loading a vehicle loading platform mounted on a loading platform of a vehicle such as a freight car or a railway freight vehicle, and in particular, opening / closing a side wall surface made of a hood or a panel whose side wall surface is openable / closable. It relates to the device.
【０００２】[0002]
【従来の技術】従来、この種の装置としては、リンク機
構、ラッチ機構、各種スプリングあるいは油圧シリンダ
等を用いて側壁面を開閉自在としたものが一般的であ
る。2. Description of the Related Art Conventionally, as a device of this kind, a device in which a side wall surface can be freely opened and closed by using a link mechanism, a latch mechanism, various springs or a hydraulic cylinder is generally used.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら上記従来
の車両荷台搭載用の側壁面開閉装置では、特公平８−５
３２１号公報に開示されているように、荷台上面中央に
支柱を設け、この支柱間にビ−ムを設け、このビ−ムを
支持部材としてこれに左右一対のウイングパネルが上下
に回動して荷台の左右両側を開閉できるように枢着され
ている。このため、側壁面の開操作に強い力（重い開操
作）を必要とし、重量的にも大となり、構成複雑でコス
ト高になるという問題点があった。However, in the above-mentioned conventional side wall surface opening / closing device for mounting a vehicle bed, the Japanese Patent Publication No. 8-5 is used.
As disclosed in Japanese Patent No. 321, No. 321, a pillar is provided in the center of the upper surface of the loading platform, a beam is provided between the pillars, and a pair of left and right wing panels are vertically rotated on the beam as a supporting member. It is pivotally attached so that both sides of the cargo bed can be opened and closed. Therefore, there is a problem in that a strong force (heavy opening operation) is required for the opening operation of the side wall surface, the weight is large, the configuration is complicated, and the cost is high.
【０００４】本発明の目的は、弱い力（軽い操作）で、
あるいはスイッチ操作一つで側壁面を開放でき、しかも
それが簡単かつ低コスト構造にて得られる車両荷台搭載
用側壁面開閉装置を提供することにある。The object of the present invention is to apply a weak force (light operation),
Alternatively, it is another object of the present invention to provide a side wall surface opening / closing device for mounting on a vehicle bed, which side wall surface can be opened by one switch operation, and which can be obtained with a simple and low cost structure.
【０００５】[0005]
【課題を解決するための手段】この目的を達成するた
め、本発明は、少なくとも左右いずれかの側壁面体がそ
の上端に沿った直線を回転軸として開閉自在の車両荷台
搭載用側面開閉装置において、前記側壁面体の各々の前
後に、それぞれ、第１ガススプリングと、第２ガススプ
リングとにより構成した側壁面体開閉機構を設け、前記
第１ガススプリングの固定部の後端を左右横架側天井枠
に軸支し、前記第２ガススプリングの固定部の後端を支
柱に軸支し、前記第１ガススプリングの伸縮作動部の先
端を前記第２ガススプリングの伸縮作動部の中間部分に
軸支し、前記第２ガススプリングの伸縮作動部の先端を
前記側壁面体の幅方向端部上方部に軸支し、前記側壁面
体の閉成状態にあっては両ガススプリングの伸縮作動部
が共に静止態を保持し、少なくともいずれかのガススプ
リングの伸縮作動部がそのデッドポイントを越える程度
の外力が前記側壁面体に加わり前記回転軸を支点として
所定角度初期回動すると、その後は両ガススプリングの
伸縮作動部及び固定部の各軸支部の回動と両伸縮作動部
の伸出しとの協働作用により外力なしで又は僅かな外力
で両伸縮作動部がその伸出し限界に伸びて行って前記側
壁面体を開回動して行き開閉側面を開状態となすように
したことを特徴とする。 In order to achieve this object, the present invention provides a side opening / closing device for mounting on a vehicle bed, in which at least one of the left and right side wall surface bodies can be opened and closed with a straight line along the upper end thereof as a rotation axis. In front of each of the side walls
Later, respectively, the first gas spring and the second gas spring
A side wall face opening / closing mechanism configured by a ring is provided, and
The rear end of the fixed part of the first gas spring is attached to the left and right ceiling frames.
Pivotally support the rear end of the fixed part of the second gas spring.
The end of the expansion and contraction operation part of the first gas spring is pivotally supported on the pillar.
The end to the middle part of the expansion and contraction operation part of the second gas spring.
The shaft is supported, and the tip of the expansion / contraction operation part of the second gas spring is attached.
The side wall surface member is axially supported above the widthwise end portion, and when the side wall surface member is in a closed state, the expansion and contraction operation portions of both gas springs both hold a static state, and the expansion and contraction operation of at least one of the gas springs. When an external force such that the portion exceeds the dead point is applied to the side wall surface body and is initially rotated about the rotation shaft as a fulcrum by a predetermined angle, after that, both the expansion and contraction operation portion of both gas springs and the rotation of each shaft support portion of the fixed portion are both rotated. With the cooperation of the extension and contraction of the expansion and contraction operating part, both expansion and contraction operating parts extend to the expansion limit without external force or with a slight external force to open and rotate the side wall surface body to open and close the open and close side surface. as eggplant
It is characterized by having done.
【０００６】更に、上述の目的を達成するため、本発明
は、少なくとも左右いずれかの側壁面体がその上端に沿
った直線を回転軸として開閉自在の車両荷台搭載用側面
開閉装置において、前記側壁面体の各々の前後に、それ
ぞれ、油圧シリンダと、ガススプリングとにより構成し
た側壁面体開閉機構を設け、前記油圧シリンダの固定部
の後端を左右横架側天井枠に軸支し、前記ガススプリン
グの固定部の後端を支柱に軸支し、 前記油圧シリンダの
伸縮作動部の先端を前記ガススプリングの伸縮作動部の
中間部分に軸支し、 前記ガススプリングの伸縮作動部の
先端を前記側壁面体の幅方向端部上方部に軸支し、前記
側壁面体の閉成状態にあっては油圧シリンダ及びガスス
プリングの伸縮作動部が共に静止状態を保持し、油圧シ
リンダが作動開始してその伸縮作動部が伸び出すとガス
スプリングの伸縮作動部も伸び出し、その後は油圧シリ
ンダ及びガススプリングの両伸縮作動部及び両固定部の
各軸支部の回動と両伸縮作動部の伸出しとの協働作用に
より両伸縮作動部がその伸出し限界に伸びて行って前記
側壁面体を開回動して行き開閉側面を開状態となすよう
にしたことを特徴とする。Furthermore, in order to achieve the object described above, the present invention is, at least either the left or right side wall tetrahedron in openable vehicle cargo bed mounting side switchgear as a rotational axis line along its upper end, the side wall face piece Before and after each of it
Each consists of a hydraulic cylinder and a gas spring.
A side wall face opening / closing mechanism is provided to fix the hydraulic cylinder.
The rear end of the gas is supported by the ceiling frame on the left and right sides,
The rear end of the fixed part of
Attach the tip of the expansion / contraction operating part to the expansion / contraction operating part of the gas spring.
It is axially supported in the middle part of the expansion and contraction operation part of the gas spring.
The tip is pivotally supported above the widthwise end of the side wall body, and when the side wall body is closed, both the hydraulic cylinder and the expansion / contraction operating part of the gas spring maintain a stationary state, and the hydraulic cylinder starts operating. to the expansion and contraction operation of the telescopic actuating portion extend out gas spring also out elongation, then the hydraulic Siri
The expansion and contraction operation parts of the spring and the gas spring and the pivotal support parts of the fixed parts cooperate with the extension of the expansion and contraction operation parts so that the expansion and contraction operation parts extend to the extension limit and the side wall is formed. so as to form the opening and closing side continue to open rotating the facepiece and opened
Characterized in that the.
【０００７】[0007]
【発明の実施の形態】以下、図面を参照して本発明の実
施形態を説明する。図１は、本発明による車両荷台搭載
用側壁面開閉装置の一実施形態を貨物自動車に搭載した
状態にて示す概略側面図、図２は、同じく概略平面図で
ある。この図１、図２において、１００は本発明に係る
側壁面開閉装置、２００は側壁面開閉装置１００を搭載
した貨物自動車である。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 is a schematic side view showing an embodiment of a side wall surface opening / closing device for loading a vehicle bed according to the present invention mounted on a freight vehicle, and FIG. 2 is a schematic plan view of the same. In FIGS. 1 and 2, 100 is a side wall surface opening / closing device according to the present invention, and 200 is a freight vehicle equipped with the side wall surface opening / closing device 100.
【０００８】上記側壁面開閉装置１００には、四角形の
各角部に相当する位置に立設された４つの支柱１１〜１
４と、各支柱１１〜１４相互間に横架された４つの天井
枠１５〜１８とで前後面１９、２０、左右側面２１、２
２及び天井面２３が形成されている。In the side wall opening / closing device 100, four columns 11 to 1 are provided upright at positions corresponding to the corners of a quadrangle.
4 and four ceiling frames 15 to 18 which are laterally bridged between the columns 11 to 14, front and rear surfaces 19 and 20, left and right side surfaces 21, 2
2 and the ceiling surface 23 are formed.
【０００９】また、側壁面開閉装置１００には、上記左
右側面２１、２２の少なくとも一側面２１又は２２に、
ここでは両側面２１、２２に支柱１１、１２、１３、１
４間に横架された前後横架側天井枠１７、１８に沿った
直線を回転軸（仮想軸）として回動自在で当該側面２
１、２２を開閉する側壁面体２４、２４を備えている。Further, in the side wall surface opening / closing device 100, at least one side surface 21 or 22 of the left and right side surfaces 21, 22 is
Here, the columns 11, 12, 13, 1 are provided on both side surfaces 21, 22.
The side surface 2 is rotatable about a straight line along the front and rear side ceiling frames 17 and 18 which are horizontally mounted between the four as a rotation axis (virtual axis).
It is provided with side wall face bodies 24, 24 for opening and closing 1, 22.
【００１０】側壁面体２４は、軽量パネル又は適宜部に
補強枠が設けられた幌等からなる。ここでは上下方向中
間部で二つ折可能の側壁面体２４を例示するが、これの
みに限定されない。平板状（折曲不能）であっても、あ
るいは上下方向中間部２箇所で折り曲げられるようにし
た三つ折可能のものであってもよい。The side wall face 24 is composed of a lightweight panel or a hood or the like having a reinforcing frame provided at an appropriate portion. Here, the side wall surface body 24 that can be folded in two at the intermediate portion in the vertical direction is illustrated, but the present invention is not limited thereto. It may be in the form of a flat plate (unfoldable) or may be folded in three so that it can be folded at two intermediate portions in the vertical direction.
【００１１】このように側壁面開閉装置１００は、少な
くとも左右いずれかの側壁面体２４、ここでは左右両方
の側壁面体２４、２４がその上端に沿った直線を回転軸
（仮想軸）として開閉自在である。各側壁面体２４は、
その側壁面体２４の幅方向両端側（支柱１１、１２側；
支柱１３、１４側）に各々設けられた側壁面体開閉機構
２５により開閉自在になされており、各側壁面体開閉機
構２５は第１、第２の２つのガススプリング２５ａ、２
５ｂで構成されている。As described above, in the side wall surface opening / closing device 100, at least one of the left and right side wall surface bodies 24, here both the left and right side wall surface bodies 24, 24 can be freely opened and closed by using a straight line along the upper end thereof as a rotation axis (virtual axis). is there. Each side wall face 24 is
Both end sides in the width direction of the side wall face member 24 (on the side of the columns 11 and 12;
The side wall face opening / closing mechanism 25 provided on each of the columns 13 and 14) is openable / closable, and each side wall face opening / closing mechanism 25 has two first and second gas springs 25a, 2a.
5b.
【００１２】以下、図３及び図４を併用してこの側壁面
体開閉機構２５について詳述する。図３は側壁面体開閉
機構２５の構成、ここでは側壁面開閉装置１００の側壁
面体２４を開閉する側壁面体開閉機構２５のうち、側壁
面体２４の幅方向左側（支柱１１側）の側壁面体開閉機
構２５の構成の説明図、図４は図３中の側壁面体開閉機
構２５の要部を拡大して示す斜視図である。The side wall face opening / closing mechanism 25 will be described in detail below with reference to FIGS. 3 and 4. FIG. 3 shows the configuration of the side wall face opening / closing mechanism 25, here, of the side wall face body opening / closing mechanism 25 that opens / closes the side wall face body 24 of the side wall face opening / closing device 100, the side wall face body opening / closing mechanism on the left side in the width direction of the side wall face body 24 (the column 11 side). 25 is an explanatory view of the configuration of FIG. 25, and FIG. 4 is an enlarged perspective view showing a main part of the side wall face opening / closing mechanism 25 in FIG.
【００１３】側壁面体開閉機構２５は、側壁面体２４の
閉成状態にあっては両ガススプリング２５ａ、２５ｂの
伸縮作動部２５ａ１、２５ｂ１が共に静止状態を保持し
（図３中、位置イ参照）、少なくともいずれかのガスス
プリング伸縮作動部２５ａ１又は２５ｂ１がそのデッド
ポイントを越える程度の外力が側壁面体２４に加わり前
記回転軸（仮想軸）を支点として所定角度初期回動する
と、その後は次のように動作するよう構成されている。In the side wall face opening / closing mechanism 25, when the side wall face body 24 is closed, the expansion / contraction actuating portions 25a1 and 25b1 of both gas springs 25a and 25b are held stationary (see position a in FIG. 3). , When at least one of the gas spring expansion / contraction operating parts 25a1 and 25b1 exceeds the dead point thereof, an external force is applied to the side wall surface member 24, and when the rotary shaft (virtual shaft) is initially rotated by a predetermined angle, the following operation is performed. Is configured to work.
【００１４】すなわち、上記初期回動すると、両ガスス
プリング２５ａ、２５ｂの伸縮作動部２５ａ１、２５ｂ
１及び固定部２５ａ２、２５ｂ２の各軸支部の回動と両
伸縮作動部２５ａ１、２５ｂ１の伸出しとの協働作用に
より、外力なしで又は僅かな外力で両伸縮作動部２５ａ
１、２５ｂ１がその伸出し限界まで伸びて行って側壁面
体２４を開回動して行き（矢印Ａ〜Ｃ参照）、開閉側面
（左側面２１）を開放状態（図３中、位置ロ、ハ及び図
４中、位置ハ参照）となすよう構成されている。That is, when the above-mentioned initial rotation is carried out, the expansion / contraction operating portions 25a1 and 25b of both gas springs 25a and 25b.
1 and the fixed portions 25a2 and 25b2 rotate together with the shaft support portions and the extension and contraction operation portions 25a1 and 25b1 extend, so that the extension and contraction operation portions 25a can be operated without an external force or with a slight external force.
1, 25b1 extend to the extension limit to open and rotate the side wall face body 24 (see arrows A to C), and the open / close side face (left side face 21) is opened (position B, position B in FIG. 3). 4 and position C in FIG. 4).
【００１５】具体的には、第１のガススプリング２５ａ
は左右横架側天井枠１５にその固定部２５ａ２の後端が
軸支されている。そして、第２のガススプリング２５ｂ
は、支柱１１にその固定部２５ｂ２の後端が軸支される
と共に伸縮作動部２５ｂ１の先端が側壁面体２４の幅方
向端部上方部に軸支され、かつ伸縮作動部２５ｂ１の中
間部分に前記第１のガススプリング伸縮作動部２５ａ１
の先端が軸支されている。Specifically, the first gas spring 25a
The rear end of the fixed portion 25a2 is pivotally supported by the left and right lateral ceiling frames 15. And the second gas spring 25b
The rear end of the fixed portion 25b2 is pivotally supported by the column 11, the tip of the expansion / contraction operation portion 25b1 is pivotally supported above the widthwise end portion of the side wall surface member 24, and the intermediate portion of the expansion / contraction operation portion 25b1 is provided with First gas spring expansion / contraction operating portion 25a1
The tip of is pivotally supported.
【００１６】次に、動作について説明する。まず、側壁
面体２４が閉じた休止状態（図３中、位置イ参照）にあ
っては、ガススプリング２５ａ、２５ｂは、側壁面体２
４を図３中、時計回り方向に付勢させない位置でバラン
スしているので、この休止状態を保つ。この時、側壁面
体２４が掛止具（図示省略）により掛止めされているの
で、側壁面体２４に上記時計回り方向の外力が誤って掛
かっても、ガススプリング２５ａ、２５ｂは作動しな
い。Next, the operation will be described. First, in the resting state in which the side wall face member 24 is closed (see position a in FIG. 3), the gas springs 25a and 25b are not connected to the side wall face member 2.
4 is balanced at a position where it is not biased clockwise in FIG. 3, so this rest state is maintained. At this time, since the side wall surface member 24 is locked by the hooking device (not shown), even if the external force in the clockwise direction is erroneously applied to the side wall surface member 24, the gas springs 25a and 25b do not operate.
【００１７】上述休止状態から、上記掛止具を外して側
壁面体２４下方を手前（図３中、左方向）に少し引く
と、そこからガススプリング２５ａ、２５ｂの伸縮作動
部２５ａ１、２５ｂ１が伸出し始め、ガススプリング２
５ａは図４中の矢印Ａ方向に、ガススプリング２５ｂは
同図中の矢印Ｂ方向に、各々付勢力が働いてきて、側壁
面体２４を同図中の矢印Ｃ方向（時計回り方向）に開き
始める。From the rest state, when the hook is removed and the lower portion of the side wall surface member 24 is pulled slightly toward the front (to the left in FIG. 3), the expansion / contraction operating portions 25a1 and 25b1 of the gas springs 25a and 25b extend therefrom. Gas spring 2 started
5a is in the direction of arrow A in FIG. 4, and the gas spring 25b is in the direction of arrow B in FIG. 4, with biasing forces acting to open the side wall face member 24 in the direction of arrow C (clockwise direction) in FIG. start.
【００１８】ガススプリング２５ａ、２５ｂの付勢力に
より側壁面体２４が全開した状態でガススプリング伸縮
作動部２５ａ１、２５ｂ１の伸出しは限界に達し、そこ
で作動を停止し、側壁面体２４は全開状態で静止する
（図３、図４中、位置ハ参照）。When the side wall face 24 is fully opened by the biasing force of the gas springs 25a and 25b, the extension of the gas spring expansion / contraction actuating portions 25a1 and 25b1 reaches the limit, and the operation is stopped there, and the side wall face 24 remains stationary in the fully open state. (See position C in FIGS. 3 and 4).
【００１９】なお、側壁面体２４を閉じるときは、側壁
面体２４に結ばれた紐（図示省略）を下方に引っ張って
ガススプリング２５ａ、２５ｂを開くときとは逆方向に
駆動させ、側壁面体２４を休止状態に戻し、上記掛止具
（図示省略）により掛止めすればよい。掛止具に代えて
ラチェットを設け、側壁面体２４を休止状態に保持させ
るようにしてもよい。この場合は、ラチェットを一旦、
回動操作すれば側壁面体２４の休止状態保持が解かれる
ようになされる。When the side wall face 24 is closed, a string (not shown) tied to the side wall face 24 is pulled downward to drive the gas springs 25a and 25b in the direction opposite to the direction in which the gas springs 25a and 25b are opened. It may be returned to the rest state and locked by the above-mentioned hook (not shown). A ratchet may be provided instead of the latch to hold the side wall surface member 24 in a resting state. In this case, once ratchet
When the turning operation is performed, the holding of the side wall face body 24 in the rest state is released.
【００２０】図５、図６は各々側壁面体開閉機構２５の
他の実施形態の要部構成を後方側から示す図で、図５は
休止状態を、図６は開放状態を示す。両図において、５
５ａは油圧シリンダ、５５ａ１は油圧シリンダ５５ａの
伸縮作動部、５５ａ２は同固定部である。その他、図
５、図６において、図３、図４と同一符号は同一又は相
当部分を示す。FIGS. 5 and 6 are views showing the construction of the main part of another embodiment of the side wall face opening / closing mechanism 25 from the rear side. FIG. 5 shows a rest state and FIG. 6 shows an open state. 5 in both figures
Reference numeral 5a is a hydraulic cylinder, 55a1 is a telescopic operating portion of the hydraulic cylinder 55a, and 55a2 is a fixed portion thereof. In addition, in FIGS. 5 and 6, the same reference numerals as those in FIGS. 3 and 4 indicate the same or corresponding portions.
【００２１】ここでは、上述実施形態中のガススプリン
グ２５ａを油圧シリンダ５５a に代えた例を示してい
る。具体的には、油圧シリンダ５5 a は左右横架側天井
枠１５にその固定部５５ａ２の後端が軸支されていると
共に、伸縮作動部５５a １の先端は側壁面体２４に軸支
されている。そして、ガススプリング２５ｂは、支柱１
１にその固定部２５ｂ２の後端が軸支されると共に、伸
縮作動部２５ｂ１の先端が側壁面体２４の幅方向端部上
方部に軸支されている。すなわち、図５に示す側壁面体
２４の閉成状態（休止状態）にあっては、ガススプリン
グ２５ｂ及び油圧シリンダ５５ａの両伸縮作動部２５ｂ
１、５５ａ１が共に静止状態を保持している（図５中、
位置イ参照）。Here, an example is shown in which the gas spring 25a in the above embodiment is replaced with a hydraulic cylinder 55a. Specifically, the hydraulic cylinder 55 a has a rear end of a fixed portion 55 a 2 pivotally supported by the left and right side ceiling frames 15, and a tip end of the expansion / contraction actuating portion 55 a 1 is pivotally supported by the side wall face member 24. . And, the gas spring 25b is the support 1
1, the rear end of the fixed portion 25b2 is pivotally supported, and the tip end of the expansion / contraction actuating portion 25b1 is pivotally supported above the widthwise end portion of the side wall face member 24. That is, in the closed state (rest state) of the side wall face member 24 shown in FIG. 5, both the expansion and contraction operation portions 25b of the gas spring 25b and the hydraulic cylinder 55a.
1, 55a1 both hold a stationary state (in FIG. 5,
See position a).
【００２２】次に、油圧シリンダ５５ａが作動開始して
その伸縮作動部５５ａ１が伸び出すとガススプリング伸
縮作動部２５ｂ１も伸び出す。その後は、両伸縮作動部
５５ａ１、２５ｂ１、ガススプリング２５ｂ及び油圧シ
リンダ５５ａの両固定部２５ｂ２、５５ａ２の各軸支部
の回動と両伸縮作動部２５ｂ１、５５ａ１の伸出しとの
協働作用により両伸縮作動部２５ｂ１、５５ａ１がその
伸出し限界まで伸びて行って側壁面体２４を開回動して
行き開閉側面を開放状態となすものである（図６中、位
置ハ参照）。この油圧シリンダ５５a の作動は運転席又
は荷台の前部等に設けた駆動部（図示省略）によって自
動的に作動可能となっている。Next, when the hydraulic cylinder 55a starts operating and the expansion / contraction operating portion 55a1 thereof extends, the gas spring expansion / contraction operating portion 25b1 also extends. After that, both expansion / contraction operation parts 55a1 and 25b1, the gas spring 25b, and the rotation of each shaft support part of both fixed parts 25b2 and 55a2 of the hydraulic cylinder 55a and the extension of both expansion / contraction operation parts 25b1 and 55a1 cooperate. The expansion / contraction operation parts 25b1 and 55a1 extend to the extension limit thereof to open and rotate the side wall face member 24 to open and close the open / close side surface (see position C in FIG. 6). The operation of the hydraulic cylinder 55a can be automatically operated by a driving unit (not shown) provided in the driver's seat or the front part of the loading platform.
【００２３】[0023]
【発明の効果】以上説明したように本発明によれば、側
壁面体開閉機構２５を２つのガススプリング２５ａ、２
５ｂ又は１つの油圧シリンダ５５ａと１つのガススプリ
ング２５ｂとで構成したので、弱い力（軽い操作）で、
あるいはスイッチ操作一つで側壁面を開放でき、しかも
それが簡単かつ低コスト構造にて得られる車両荷台搭載
用側壁面開閉装置を提供できるという効果がある。As described above, according to the present invention, the side wall face opening / closing mechanism 25 is provided with the two gas springs 25a and 2a.
5b or one hydraulic cylinder 55a and one gas spring 25b, so with a weak force (light operation),
Alternatively, there is an effect that it is possible to provide a side wall surface opening / closing device for mounting on a vehicle bed that can open the side wall surface by a single switch operation and that can be obtained with a simple and low-cost structure.
【図１】本発明に係る側壁面開閉装置の一実施形態を示
す概略側面図である。FIG. 1 is a schematic side view showing an embodiment of a side wall opening / closing device according to the present invention.
【図２】同じく概略平面図である。FIG. 2 is a schematic plan view of the same.
【図３】図１、図２中の側壁面体開閉機構の構成の説明
図である。FIG. 3 is an explanatory diagram of a configuration of a side wall face body opening / closing mechanism in FIGS. 1 and 2.
【図４】図３中の側壁面体開閉機構の要部を拡大して示
す斜視図である。FIG. 4 is an enlarged perspective view showing a main part of the side wall surface opening / closing mechanism in FIG.
【図５】側壁面体開閉機構の他の実施形態の要部構成を
後方側から示す図である。FIG. 5 is a view showing a configuration of a main part of another embodiment of the side wall face opening / closing mechanism from the rear side.
【図６】同じく他の実施形態の要部構成を後方側から示
す図である。FIG. 6 is a view showing the configuration of the main part of another embodiment from the rear side.
１００ 側壁面開閉装置 １１〜１４ 支柱 １５〜１８ 天井枠 １９、２０ 前後面 ２１、２２ 左右側面 ２３ 天井面 ２４ 側壁面体 ２５ 側壁面体開閉機構 ２５ａ、２５ｂ 第１、第２のガススプリング ２５ａ１、２５ｂ１ ガススプリング伸縮作動部 ２５ａ２、２５ｂ２ ガススプリング固定部 ５５ａ 油圧シリンダ ５５ａ１ 油圧シリンダ伸縮作動部 ５５ａ２ 油圧シリンダ固定部 ２００ 貨物自動車 100 Side wall opening / closing device 11-14 props 15-18 Ceiling frame 19, 20 front and back 21, 22 left and right side 23 Ceiling surface 24 Side wall face piece 25 Side wall opening / closing mechanism 25a, 25b First and second gas springs 25a1 and 25b1 Gas spring expansion / contraction operation unit 25a2, 25b2 Gas spring fixing part 55a hydraulic cylinder 55a1 Hydraulic cylinder expansion / contraction operating unit 55a2 Hydraulic cylinder fixed part 200 lorry
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) E05F 3/02 E05F 15/00 - 15/20 B60J 7/08 B60J 5/04 B62D 33/04 ─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. 7 , DB name) E05F 3/02 E05F 15/00-15/20 B60J 7/08 B60J 5/04 B62D 33/04
Claims (2)
４，２４）がその上端に沿った直線を回転軸として開閉
自在の車両荷台搭載用側面開閉装置において、前記側壁面体（２４，２４）の各々の前後に、それぞ
れ、第１ガススプリング（２５ａ）と、第２ガススプリ
ング（２５ｂ）とにより構成した側壁面体開閉機構（２
５）を設け、 前記第１ガススプリング（２５ａ）の固定部（２５ａ
２）の後端を左右横架側天井枠（１５，１６）に軸支
し、 前記第２ガススプリング（２５ｂ）の固定部（２５ｂ
２）の後端を支柱（１１又は１３，１２又は１４）に軸
支し、 前記第１ガススプリング（２５ａ）の伸縮作動部（２５
ａ１）の先端を前記第２ガススプリング（２５ｂ）の伸
縮作動部（２５ｂ１）の中間部分に軸支し、 前記第２ガススプリング（２５ｂ）の伸縮作動部（２５
ｂ１）の先端を前記側壁面体（２４、２４）の幅方向端
部上方部に軸支し、 前記側壁面体の閉成状態にあっては両ガスプリング（２
５ａ，２５ｂ）の伸縮作動部（２５ａ１，２５ｂ１）が
共に静止状態を保持し、少なくともいずれかのガススプ
リングの伸縮作動部がそのデッドポイントを越える程度
の外力が前記側壁面体に加わり前記回転軸を支点として
所定角度初期回動すると、その後は両ガススプリング
（２５ａ，２５ｂ）の伸縮作動部（２５ａ１，２５ｂ
１）及び固定部（２５ａ２，２５ｂ２）の各軸支部の回
動と両伸縮作動部の伸出しとの協働作用により外力なし
で又は僅かな外力で両伸縮作動部がその伸出し限界に伸
びて行って前記側壁面体を開回動して行き開閉側面を開
状態となすようにしたことを特徴とする車両荷台搭載用
側壁面開閉装置。1. A side wall surface member ( 2
4, 24 ) is a side surface opening / closing device for mounting a vehicle bed, which is openable / closable with a straight line along the upper end thereof as a rotation axis , in front of and behind each of the side wall bodies (24, 24).
The first gas spring (25a) and the second gas spring
Side wall face opening / closing mechanism (2
5) is provided, and the fixing portion (25a) of the first gas spring (25a ) is provided.
2) Support the rear end on the left and right side ceiling frames (15, 16).
And, the fixing portion of the second gas spring (25b) (25b
2) Shaft the rear end to the column (11 or 13, 12 or 14)
Stretching operation of supporting, and the first gas spring (25a) (25
a1) to the extension of the second gas spring (25b).
The expansion / contraction operation part (25) of the second gas spring (25b) is axially supported by the intermediate part of the compression operation part (25b1).
b1) the end in the width direction of the side wall surface body (24, 24)
Rotatably supported in part upper part, the side In the closed state of the wall body both gas springs (2
5a, 25b ) both of the expansion / contraction operation parts ( 25a1, 25b1 ) maintain a stationary state, and an external force of at least one of the expansion / contraction operation parts of the gas springs exceeds the dead point thereof is applied to the side wall surface member to rotate the rotary shaft. After the initial rotation by a predetermined angle as a fulcrum, thereafter , the expansion and contraction operation parts ( 25a1 , 25b ) of both gas springs ( 25a, 25b ).
1 ) and the fixed parts ( 25a2, 25b2 ) rotate together with the pivotal support parts and the extension and contraction of both expansion and contraction operation parts cause the expansion and contraction operation parts to reach their extension limits without an external force or with a slight external force. It went the sidewall tetrahedron open rotation to go off side vehicle loading platform for mounting side wall switchgear, characterized in that was to form the open state.
４，２４）がその上端に沿った直線を回転軸として開閉
自在の車両荷台搭載用側面開閉装置において、前記側壁面体（２４，２４）の各々の前後に、それぞ
れ、油圧シリンダ（５５ａ）と、ガススプリング（２５
ｂ）とにより構成した側壁面体開閉機構（２５） を設
け、 前記油圧シリンダ（５５ａ）の固定部（５５ａ２）の後
端を左右横架側天井枠（１５，１６）に軸支し、 前記ガススプリング（２５ｂ）の固定部（２５ｂ２）の
後端を支柱（１１又は１３，１２又は１４）に軸支し、 前記油圧シリンダ（５５ａ）の伸縮作動部（５５ａ１）
の先端を前記ガススプリング（２５ｂ）の伸縮作動部
（２５ｂ１）の中間部分に軸支し、 前記ガススプリング（２５ｂ）の伸縮作動部（２５ｂ
１）の先端を前記側壁面体（２４，２４）の幅方向端部
上方部に軸支し、 前記側壁面体の閉成状態にあっては油圧シリンダ（５
５）及びガススプリング（２５ｂ）の伸縮作動部（５５
ａ１，２５ｂ１）が共に静止状態を保持し、油圧シリン
ダ（５５）が作動開始してその伸縮作動部（５５ａ１）
が伸び出すとガススプリングの伸縮作動部（２５ｂ１）
も伸び出し、その後は油圧シリンダ（５５）及びガスス
プリング（２５ｂ）の両伸縮作動部（５５ａ１，２５ｂ
１）及び両固定部（５５ａ２，２５ｂ２）の各軸支部の
回動と両伸縮作動部の伸出しとの協働作用により両伸縮
作動部（５５ａ１，２５ｂ１）がその伸出し限界に伸び
て行って前記側壁面体を開回動して行き開閉側面を開状
態となすようにしたことを特徴とする車両荷台搭載用側
壁面開閉装置。2. A side wall surface body ( 2
4, 24 ) is a side surface opening / closing device for mounting a vehicle bed, which is openable / closable with a straight line along the upper end thereof as a rotation axis , in front of and behind each of the side wall bodies (24, 24).
The hydraulic cylinder (55a) and the gas spring (25
b) a set of configuration sidewalls facepiece opening and closing mechanism (25) by
Only after the fixed part of the hydraulic cylinder (55a) (55a2)
The ends are pivotally supported on the left and right side ceiling frames (15, 16), and the fixed portion (25b2) of the gas spring (25b) is fixed.
The rear end of the hydraulic cylinder (55a) is pivotally supported by the support column (11 or 13, 12 or 14), and the expansion and contraction operation section (55a1) is provided.
The distal end of the gas spring (25b) expansion and contraction operation part
(25b1) is pivotally supported at an intermediate portion of the gas spring (25b) to extend and retract (25b).
1) is the end of the side wall face body (24, 24) in the width direction.
Rotatably supported in the upper portion, the side wall member hydraulic cylinder In the closed state of the (5
5 ) and the expansion / contraction operation part ( 55 ) of the gas spring ( 25b ) .
a1, 25b1 ) both remain stationary, the hydraulic cylinder ( 55 ) starts operating, and its expansion / contraction operation part ( 55a1 ).
Extension of the gas spring ( 25b1 )
Also extends, and after that, both expansion and contraction operation parts ( 55a1, 25b ) of the hydraulic cylinder ( 55 ) and the gas spring ( 25b ).
1 ) and both fixed parts ( 55a2, 25b2 ) pivoting of each shaft support part and the extension and contraction of both expansion and contraction operating parts cooperate to extend and contract both expansion and contraction operating parts ( 55a1, 25b1 ) to its extension limit. it has an opening and closing side continue to open rotating the side wall face piece so as to form an open state Te vehicle loading platform for mounting side wall switchgear according to claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31832299A JP3479011B2 (en) | 1999-11-09 | 1999-11-09 | Side wall opening / closing device for mounting on vehicle bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31832299A JP3479011B2 (en) | 1999-11-09 | 1999-11-09 | Side wall opening / closing device for mounting on vehicle bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001132323A JP2001132323A (en) | 2001-05-15 |
| JP3479011B2 true JP3479011B2 (en) | 2003-12-15 |
Family
ID=18097901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31832299A Expired - Fee Related JP3479011B2 (en) | 1999-11-09 | 1999-11-09 | Side wall opening / closing device for mounting on vehicle bed |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3479011B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100718580B1 (en) * | 2007-02-15 | 2007-05-16 | (주)백용 | The upper part opening wing body truck |
| CN110439416B (en) * | 2019-09-06 | 2024-02-27 | 法美瑞控股有限公司 | Electric luggage compartment door |
-
1999
- 1999-11-09 JP JP31832299A patent/JP3479011B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001132323A (en) | 2001-05-15 |
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