JP2009062012A - Joint structure of hollow panel - Google Patents

Joint structure of hollow panel Download PDF

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JP2009062012A
JP2009062012A JP2007233898A JP2007233898A JP2009062012A JP 2009062012 A JP2009062012 A JP 2009062012A JP 2007233898 A JP2007233898 A JP 2007233898A JP 2007233898 A JP2007233898 A JP 2007233898A JP 2009062012 A JP2009062012 A JP 2009062012A
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engagement
piece
hollow panel
wall
engaging
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JP5137067B2 (en
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Kunimori Motegi
邦盛 茂手木
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MA Aluminum Corp
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Mitsubishi Aluminum Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To add and fit hollow panels constituting a gate or the like to each other with high productivity, and obtain a stable fitting state. <P>SOLUTION: A retaining piece which extends forward along an outer face wall, and a fitting piece which extends forward more than the retaining piece while keeping a clearance to the retaining piece on an inner side of the retaining piece and includes a fitting recess part facing the outside or the inside on a tip end side are provided on one end side of the hollow panel. An extending piece which extends forward along the outer face wall to reach the tip end side of the retaining piece, an insertion locking piece which is joined to the inner side of the extending piece on the tip end side of the extending piece to extend forward, inserted into and locked to the clearance between the retaining piece and the fitting piece, and a fitting projection part which is fitted in the fitting recess part and faces the inside or the outside are provided on the other end side of the hollow panel. The fitting projection part includes a rear fitting outer wall face and a front fitting outer wall face, and the fitting recess part includes a front fitting inner wall face fitted to the rear fitting outer wall face in the fitting projection part and a rear fitting inner wall face fitted to the front fitting outer wall face in the fitting projection part. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

この発明は、複数の中空パネルを継ぎ足して貨物車両の荷台の壁部などを構成する際に中空パネル同士を連結するための中空パネルの連結構造に関するものである。   The present invention relates to a hollow panel connection structure for connecting hollow panels to each other when a plurality of hollow panels are added to form a cargo bed wall portion or the like.

トラックやダンプのアオリ、保冷車の扉パネルなどでは、複数の中空のアルミ製パネルを継ぎ足して連結固定したものが使用されており、パネルの継ぎ足し方法としては幾つかの方法が採用、提案されている。その例を以下に示す。   For trucks and dump trucks, door panels for cold trucks, etc., a plurality of hollow aluminum panels are connected and fixed together, and several methods of panel addition have been adopted and proposed. Yes. An example is shown below.

第１の方法は、中空パネルのそれぞれに、継ぎ足したときに同一軸上に揃うように貫通孔を開けておき、組み付け時に複数の中空パネルを所要数継ぎ足し前記貫通孔に通しボルトを貫通させて、ナットなどによって締結することで連結固定をする。   In the first method, through holes are formed in each of the hollow panels so that they are aligned on the same axis when the hollow panels are added, and a plurality of hollow panels are added at the time of assembly, and bolts are passed through the through holes. The connection is fixed by fastening with nuts.

第２の方法の一つは、一方の中空パネルの先端に内側係止板を設け、他方の中空パネルの先端に外側係止板を設ける。中空パネルは、係止板同士を対向させて、内側係止板を外側係止板の内側に挿入して、内側係止板の先端に外側に向けて形成した係止片を、外側係止板の基端内側に設けた係止溝に水平スプリング嵌合させることで連結固定される（特許文献１参照）。   One of the second methods is to provide an inner locking plate at the tip of one hollow panel and an outer locking plate at the tip of the other hollow panel. The hollow panel has the locking plates facing each other, the inner locking plate is inserted inside the outer locking plate, and the locking piece formed outward at the tip of the inner locking plate is locked to the outer side. It is connected and fixed by fitting a horizontal spring into a locking groove provided inside the base end of the plate (see Patent Document 1).

また、第２の方法の他の一つは、一方の中空パネルの一端部の一側壁側に斜め外側に向けた係止片を設け、その後方側に内側に向けて押圧壁を設ける。他方の中空パネルの一端部一側壁側に前記係止片が嵌合する係止溝を設け、さらに先端側の他側壁側には、前記押圧壁を後方側に抑える押圧壁を設ける。中空パネルと中空パネルとは、前記係止片を係止溝に係止した状態で中空パネルと中空パネルとを相対的に回転させ、前記押圧壁と前記押圧壁とを押し込んで重ね合わせることで回転スプリング嵌合させる（特許文献２参照）。
特開平７−１３７６６５号公報 特開平１１−２２９７２４号公報 Another one of the second methods is to provide a locking piece obliquely outward on one side wall of one end of one hollow panel and provide a pressing wall on the rear side thereof inward. A locking groove into which the locking piece is fitted is provided on one side wall side of the other hollow panel, and a pressing wall that holds the pressing wall to the rear side is provided on the other side wall side of the distal end side. The hollow panel and the hollow panel are formed by rotating the hollow panel and the hollow panel relatively with the locking piece locked in the locking groove, and pushing the pressing wall and the pressing wall together. A rotary spring is fitted (see Patent Document 2).
JP-A-7-137665 JP-A-11-229724

中空パネルの連結方法としてよく使われるのは、上記したように、その内部に通しボルトを貫通させてナットなどにより締結する方法であるが、この方法では連結ボルトを通す為の穴明け加工が必要であり、切粉によって中空パネルにキズが発生する原因となる。また、連結ボルトはアオリなどの高さに合わせた長さが必要となり過剰在庫の原因になり、さらに質量が増大するという問題がある。さらには、断面形状は穴が明けられる形状、連結ボルトの廻り留めに適した形状、締結ナットを締める工具が使用できる空間確保など、形状を決定するときの制約が大きく、部品数の増大、ボルト適正トルク管理など作業工数、管理が多くなり作業時間が掛かるなどして生産効率が低下する。   As described above, the method of connecting the hollow panels is often the method of passing through the bolts and fastening them with nuts, etc., as described above, but this method requires drilling to pass the connection bolts. It becomes a cause which a crack generate | occur | produces in a hollow panel by chip. In addition, the connecting bolt needs to have a length that matches the height of the tilt, causing excess inventory and increasing the mass. In addition, the cross-sectional shape is a shape that allows holes to be drilled, a shape that is suitable for fastening a connection bolt, and a space that can be used for a tool that tightens a fastening nut. Production efficiency decreases due to increased work man-hours and management, such as proper torque management, and increased work time.

また、前記スプリング嵌合では、外れやすく、強固な嵌合にすると、嵌合が困難になる。さらに、型材の寸法精度よって面体にした時のガタつきやカン合不良が発生する為、高い寸法精度が必要になり、製造コストが嵩むという問題がある。   In addition, the spring fitting is easy to come off, and the fitting becomes difficult if the fitting is strong. In addition, there is a problem in that the dimensional accuracy of the mold material causes rattling and poor alignment when it is made into a face, so that high dimensional accuracy is required and the manufacturing cost increases.

本発明は、上記事情を背景としてなされたものであり、連結作業が容易で、かつ連結強度に優れた中空パネルの連結構造を提供することを目的とする。   The present invention has been made against the background of the above circumstances, and an object of the present invention is to provide a hollow panel connection structure that is easy to connect and excellent in connection strength.

すなわち、本発明の中空パネルの結合構造のうち、第１の本発明は、複数の中空パネルが継ぎ足されて互いに連結されるパネル連結構造であって、前記中空パネルの連結端同士の一方端側に、該中空パネルの外面壁に沿って前方に伸張する保持片と、該保持片の内側にあって該保持片と間隙を有しつつ該保持片のさらに前方に伸張し、先端側に外側または内側に向けた係合凹部を有する係合片とを有し、前記中空パネルの連結端同士の他方端側に、該中空パネルの外面壁に沿って前方に伸張して前記保持片の先端側に至る伸張片と、該伸張片の先端側で該伸張片の内側に連結され前方に伸張して前記保持片と前記係合片と間の間隙に挿入、係止される挿入係止片と、前記係合片の係合凹部と係合する内側または外側に向けた係合凸部とを有しており、該係合凸部は、後方係合外壁面と前方係合外壁面とを有しており、前記係合凹部は、前記係合凸部の後方係合外壁面と係合する前方係合内壁面と、前記係合凸部の前方係合外壁面と係合する後方係合内壁面とを有していることを特徴とする。   That is, of the hollow panel coupling structure according to the present invention, the first aspect of the present invention is a panel connection structure in which a plurality of hollow panels are joined and connected to each other, and one end side of the connection ends of the hollow panels. A holding piece extending forward along the outer surface wall of the hollow panel, and extending further forward of the holding piece inside the holding piece and having a gap with the holding piece, and outward on the tip side. Or an engagement piece having an engagement recess facing inward, and extending forward on the other end side of the coupling ends of the hollow panel along the outer surface wall of the hollow panel. An extension piece extending to the side, and an insertion locking piece connected to the inside of the extension piece at the distal end side of the extension piece and extending forward to be inserted and locked in a gap between the holding piece and the engagement piece And an engaging convex portion directed inward or outward to engage with the engaging concave portion of the engaging piece. The engaging convex portion has a rear engaging outer wall surface and a front engaging outer wall surface, and the engaging concave portion engages with the rear engaging outer wall surface of the engaging convex portion. It has a combined inner wall surface and a rear engagement inner wall surface that engages with a front engagement outer wall surface of the engagement convex portion.

第１の本発明によれば、挿入係止片が前記間隙に挿入係止されることで、外壁側が係止されて保持片と伸張片で外壁面が連結構造部分において中空パネルに沿った形状となり、さらにその内部で係合凹部と係合凸部がスプリング作用が得られる状態で係合する。この係合部は、中空パネルの内部側に位置し、しかも係合凹部と係合凸部の内外壁が前方側と後方側とで係合することで中空パネルの外壁に加わる負荷が直接伝達されず、係合状態が安定して維持される。   According to the first aspect of the present invention, the insertion locking piece is inserted and locked in the gap, so that the outer wall side is locked and the outer wall surface is formed along the hollow panel in the connecting structure portion by the holding piece and the extension piece. Furthermore, the engagement recess and the engagement projection are engaged with each other in a state where a spring action is obtained. The engaging portion is located on the inner side of the hollow panel, and the inner and outer walls of the engaging concave portion and the engaging convex portion are engaged on the front side and the rear side, so that the load applied to the outer wall of the hollow panel is directly transmitted. The engagement state is stably maintained.

第２の本発明の中空パネルの連結構造は、前記第１の本発明において、連結される中空パネルは、それぞれ連結端の一側に前記保持片と前記係合片および係合凹部とが設けられ、他側に前記伸張片および前記挿入係止片と前記係合凸部が設けられていることを特徴とする。   The hollow panel connection structure of the second aspect of the present invention is the first aspect of the present invention, wherein the hollow panel to be connected is provided with the holding piece, the engagement piece, and the engagement recess on one side of the connection end, respectively. The extension piece, the insertion locking piece, and the engagement projection are provided on the other side.

第２の本発明は、中空パネルの各連結端の両側に対となる係合構造を有することで、同様の係合状態で複数の中空パネルを継ぎ足すことが可能になる。   The second aspect of the present invention has a pair of engagement structures on both sides of each connecting end of the hollow panel, so that a plurality of hollow panels can be added in the same engagement state.

第３の本発明の中空パネルの連結構造は、前記第１の本発明において、前記中空パネルの連結端同士の一方端側の両側に、前記保持片と前記係合片および係合凹部とがそれぞれ設けられ、前記中空パネルの連結端同士の他方端側の両側に、前記伸張片および前記挿入係止片と前記係合凸部がそれぞれ設けられていることを特徴とする。   According to a third aspect of the present invention, there is provided the hollow panel connection structure according to the first aspect, wherein the holding piece, the engagement piece, and the engagement recess are provided on both sides of one end side of the connection ends of the hollow panel. The extending piece, the insertion locking piece, and the engaging convex portion are provided on both sides of the other end side of the connecting ends of the hollow panel.

第３の本発明は、中空パネルの各連結端の両側に同一の係合構造を有しており、該係合構造と対になる係合構造を連結端の両側に有する中空パネルとの連結に用いられる。   The third aspect of the present invention has the same engagement structure on both sides of each connection end of the hollow panel, and the connection with the hollow panel having the engagement structure paired with the engagement structure on both sides of the connection end. Used for.

第４の本発明の中空パネルの連結構造は、前記第１〜第３の本発明のいずれかにおいて、前記係合凹部が外側に向けて設けられ、前記係合凸部が内側に向けて設けられていることを特徴とする。   According to a fourth aspect of the present invention, there is provided the hollow panel connection structure according to any one of the first to third aspects, wherein the engagement recess is provided outward and the engagement protrusion is provided inward. It is characterized by being.

第４の本発明によれば、係合凹部と係合凸部との係合によるスプリング効果を外側に向けて作用させることができ、中空パネルの外側から加わる負荷に対し、安定した係合状態を得ることができる。   According to the fourth aspect of the present invention, the spring effect due to the engagement between the engagement concave portion and the engagement convex portion can be exerted outwardly, and the engagement state is stable with respect to the load applied from the outside of the hollow panel. Can be obtained.

第５の本発明の中空パネルの連結構造は、前記第４の本発明において、前記係合凹部は、前方側ほど内側に位置するように傾斜して設けられ、前記係合凸部が前方側ほど外側に位置するように傾斜して設けられていることを特徴とする。   According to a fifth aspect of the present invention, there is provided the hollow panel connection structure according to the fourth aspect, wherein the engagement recess is provided so as to be inclined inwardly toward the front side, and the engagement projection is on the front side. It is provided with an inclination so as to be located on the outer side.

第５の本発明によれば、係合部に対し外側に向けた変形力が作用する際に、係合凹部と係合凸部との係合が外れにくくなり、係合状態をより安定させることができる。   According to the fifth aspect of the present invention, when the outward deformation force acts on the engagement portion, the engagement between the engagement recess and the engagement projection becomes difficult to disengage, and the engagement state is further stabilized. be able to.

第６の本発明の中空パネルの連結構造は、前記第４または第５の本発明において、前記係合凸部の前方係合外壁面と前記係合凹部の後方係合内壁面とは、壁面が外側ほど前記係合凸部が設けられた中空パネルの後方側に位置するように傾斜していることを特徴とする。   The hollow panel connection structure of the sixth aspect of the present invention is the fourth or fifth aspect of the present invention, wherein the front engaging outer wall surface of the engaging convex portion and the rear engaging inner wall surface of the engaging concave portion are wall surfaces. Is inclined so as to be located on the rear side of the hollow panel provided with the engaging convex portion toward the outside.

第６の本発明によれば、係合部に対し外側に向けた変形力が作用する際に、上記係合面が抵抗になって係合が外れにくくなり、係合状態を安定させることができる。   According to the sixth aspect of the present invention, when the outward deformation force acts on the engagement portion, the engagement surface becomes a resistance and the engagement is difficult to be released, and the engagement state is stabilized. it can.

第７の本発明の中空パネルの連結構造は、前記第１〜第６の本発明のいずれかにおいて、前記係合凸部は、中空パネル外壁内側に連結した横壁を介して設けられていることを特徴とする。   According to a seventh aspect of the present invention, there is provided the hollow panel connection structure according to any one of the first to sixth aspects, wherein the engagement convex portion is provided via a lateral wall connected to the inside of the outer wall of the hollow panel. It is characterized by.

第７の本発明によれば、中空パネルの外壁側に加わる負荷は、横壁を介して係合部に伝わるため、負荷の伝達制御を行うことが容易になり、係合状態の安定を図ることができる。   According to the seventh aspect of the present invention, since the load applied to the outer wall side of the hollow panel is transmitted to the engaging portion via the lateral wall, it is easy to perform load transmission control and to stabilize the engaged state. Can do.

第８の本発明の中空パネルの連結構造は、前記第７の本発明において、前記係合凸部は、前記前方係合内壁面側よりも後方で前記後方係合外壁面側に位置している前記横壁に設けられていることを特徴とする。   The hollow panel connection structure according to an eighth aspect of the present invention is the seventh aspect of the present invention, wherein the engagement convex portion is located rearward of the front engagement inner wall surface and closer to the rear engagement outer wall surface. It is provided in the said horizontal wall.

第８の本発明によれば、中空パネルの外壁側に加わる負荷が横壁を介して後方係合外壁側に伝わることになり、前方係合外壁側と後方係合内壁側との係合面に対しては、モーメントが生じて係合が外れにくく、係合状態をより安定させることができる。   According to the eighth aspect of the present invention, the load applied to the outer wall side of the hollow panel is transmitted to the rear engagement outer wall side via the lateral wall, and the engagement surface between the front engagement outer wall side and the rear engagement inner wall side is transmitted. On the other hand, the moment is generated and the engagement is hardly disengaged, and the engaged state can be further stabilized.

第９の本発明の中空パネルの連結構造は、前記第７または第８の本発明において、前記係合凹部の前方側係合壁は、前記係合凸部の後方側係合壁と前記横壁との間の間隙に挿入・係止されていることを特徴とする。   According to a ninth aspect of the present invention, there is provided the hollow panel connection structure according to the seventh or eighth aspect, wherein the front engagement wall of the engagement recess is a rear engagement wall of the engagement projection and the lateral wall. It is inserted and locked in the gap between the two.

第９の本発明によれば、係合凹部の前方側係合壁が上記間隙に挿入、係止されることで係合強度が高まり、係合状態の安定性が向上する。   According to the ninth aspect of the present invention, the engagement strength is increased by inserting and locking the front engagement wall of the engagement recess in the gap, and the stability of the engagement state is improved.

以上説明したように、本発明の中空パネルの結合構造によれば、複数の中空パネルが継ぎ足されて互いに連結されるパネル連結構造であって、前記中空パネルの連結端同士の一方端側に、該中空パネルの外面壁に沿って前方に伸張する保持片と、該保持片の内側にあって該保持片と間隙を有しつつ該保持片のさらに前方に伸張し、先端側に外側または内側に向けた係合凹部を有する係合片とを有し、前記中空パネルの連結端同士の他方端側に、該中空パネルの外面壁に沿って前方に伸張して前記保持片の先端側に至る伸張片と、該伸張片の先端側で該伸張片の内側に連結され前方に伸張して前記保持片と前記係合片と間の間隙に挿入、係止される挿入係止片と、前記係合片の係合凹部と係合する内側または外側に向けた係合凸部とを有しており、該係合凸部は、後方係合外壁面と前方係合外壁面とを有しており、前記係合凹部は、前記係合凸部の後方係合外壁面と係合する前方係合内壁面と、前記係合凸部の前方係合外壁面と係合する後方係合内壁面とを有しているので、連結作業が容易であるとともに、連結された中空パネル同士の係合が安定して維持される効果がある。   As described above, according to the hollow panel coupling structure of the present invention, a panel coupling structure in which a plurality of hollow panels are joined and coupled to each other, on one end side of the coupling ends of the hollow panel, A holding piece extending forward along the outer surface wall of the hollow panel, and extending further forward of the holding piece inside the holding piece and having a gap with the holding piece, outward or inward on the distal end side And an engagement piece having an engagement recess facing toward the other end of the hollow panel. The other end side of the coupling ends of the hollow panel extends forward along the outer wall of the hollow panel and extends toward the distal end side of the holding piece. An extending piece, an insertion locking piece connected to the inside of the extending piece on the distal end side of the extending piece and extending forward to be inserted and locked in a gap between the holding piece and the engaging piece; An engaging convex portion directed inward or outward to engage with the engaging concave portion of the engaging piece. The engaging convex portion has a rear engaging outer wall surface and a front engaging outer wall surface, and the engaging concave portion is engaged with the rear engaging outer wall surface of the engaging convex portion. Since it has an inner wall surface and a rear engagement inner wall surface that engages with a front engagement outer wall surface of the engagement convex portion, the connection work is easy and the engagement between the connected hollow panels is easy. There is an effect of being stably maintained.

以下に、本発明の一実施形態を添付図面に基づいて説明する。
トラックのアオリを構成する中空パネル１０は、図５に示すように、複数が継ぎ足されてトラック１の荷台２上に配置される。該中空パネル１０は、押出加工によって得られ、この実施形態では、アルミニウム合金製からなる。なお、本発明としては、中空パネルの材質が特定のものに限定されるものではないが、軽量のアルミニウム合金が好適である。 Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in FIG. 5, a plurality of the hollow panels 10 constituting the tilt of the truck are arranged on the loading platform 2 of the truck 1. The hollow panel 10 is obtained by extrusion, and in this embodiment is made of an aluminum alloy. In addition, although the material of a hollow panel is not limited to a specific thing as this invention, a lightweight aluminum alloy is suitable.

上記中空パネル１０は、図１に示すように、連結端において、一側壁側に、外壁面に沿って前方に伸びる短尺な保持片１１が幅方向に沿って形成されており、該保持片１１の内側に、保持片１１の厚さと同程度の間隙を有して保持片１１よりも長尺な係合片１２が前方に伸びて幅方向に沿って形成されている。係合片１２は、保持片１１の基端側において中空パネルの外壁間に亘って設けられてた横壁１３に連結されている。係合片１２は、先端側に、外側に向け、かつ先端側ほど内側に位置するように傾斜した係合凹部１４が中空パネルの幅方向に沿って形成されている。該係合凹部１４の前方側および後方側には、前方係合内壁面１４ａと後方係合内壁面１４ｂを有しており、前方係合内壁面１４ａ、後方係合内壁面１４ｂは、外側ほど前方に位置するように傾斜している。   As shown in FIG. 1, in the hollow panel 10, a short holding piece 11 extending forward along the outer wall surface is formed along the width direction on one side wall side at the connection end. On the inner side, an engagement piece 12 having a gap approximately equal to the thickness of the holding piece 11 and longer than the holding piece 11 extends forward and is formed along the width direction. The engagement piece 12 is connected to a lateral wall 13 provided across the outer wall of the hollow panel on the proximal end side of the holding piece 11. The engagement piece 12 is formed with an engagement recess 14 that is inclined toward the outer side toward the outer side and is positioned so as to be positioned on the inner side toward the front side along the width direction of the hollow panel. A front engagement inner wall surface 14 a and a rear engagement inner wall surface 14 b are provided on the front side and the rear side of the engagement recess 14. The front engagement inner wall surface 14 a and the rear engagement inner wall surface 14 b It is inclined so as to be located in front.

また、中空パネルの連結端の他側壁側には、外壁面に沿った長尺な伸張片１５が前記係合片１２とほぼ同程度の長さで前方に伸張するように幅方向にそって形成されており、該伸張片１５の先端側には、内側に位置して前方に伸びる短尺な挿入係止片１６が幅方向に沿って形成されている。該挿入係止片１６の先端は、前記係合凹部１４の先端とほぼ同じに位置にあり、前記保持片１１とほぼ同じ長さ（前後方向）に形成されている。   In addition, on the other side wall side of the connecting end of the hollow panel, a long extending piece 15 along the outer wall surface extends along the width direction so as to extend forward with approximately the same length as the engaging piece 12. At the distal end side of the extension piece 15, a short insertion locking piece 16 positioned inward and extending forward is formed along the width direction. The distal end of the insertion locking piece 16 is located at substantially the same position as the distal end of the engagement recess 14 and is formed to have substantially the same length (front-rear direction) as the holding piece 11.

前記横壁１３は、伸張片１５側において前方に伸張しつつ外壁内側に連結されている。この横壁１３には、伸張片１５に近接した側で内側に向けた係合凸部１７が形成されており、該係合凸部１７は、前方側ほど外側に位置するように傾斜して形成されており、該係合凸部凸部１７の前方側および後方側は、前方係合外壁面１７ａと後方係合外壁面１７ｂとなっている。後方係合外壁面１７ａ、前方係合外壁面１７ｂは、内側ほど前方に位置するように傾斜している。   The lateral wall 13 is connected to the inside of the outer wall while extending forward on the extending piece 15 side. On the side wall 13, an engagement convex portion 17 is formed inwardly on the side close to the extension piece 15, and the engagement convex portion 17 is formed so as to be inclined outwardly toward the front side. The front side and the rear side of the engagement convex portion 17 are a front engagement outer wall surface 17a and a rear engagement outer wall surface 17b. The rear engagement outer wall surface 17a and the front engagement outer wall surface 17b are inclined so as to be positioned forward inward.

上記中空パネル１０は、同じ連結構造を有する中空パネル同士を対象位置に対向させて連結を行う。すなわち、保持片１１、係合片１２がある側を雄側とし、伸張片１５がある側を雌側として、雄雌が対向するように位置させる。なお、同じ連結構造を有していればよく、中空パネル同士が同じ形状を有していることが必要とされるものではない。   The hollow panel 10 is connected by causing the hollow panels having the same connection structure to face each other at a target position. That is, the side where the holding piece 11 and the engagement piece 12 are located is the male side, and the side where the extending piece 15 is located is the female side, and the male and female are positioned to face each other. In addition, what is necessary is just to have the same connection structure, and it is not required for hollow panels to have the same shape.

図２に示すように対象位置にある連結構造を対向させ、両者を接近させることで、それぞれの中空パネル１０、１０の係合片１２を伸張片１５の内側で前進させる。すると、相手方の伸張片１５先端の挿入係止片１６が、保持片１１と係合片１２の間の間隙に挿入される。この挿入に際し、係合片１２先端の係合凹部１４が相手方の係合凸部１７に接近し、該係合凸部１７を乗り越えて係合凹部１４が係合凸部１７に係合され、該係合によって係合凹部１４の前方係合内壁面１４ａと、相手方の係合凸部１７の後方係合外壁面１７ｂとが係合し、係合凹部１４の後方係合内壁面１４ｂと、相手方の係合凸部１７の前方係合外壁面１７ａとが係合する。該係合においては、係合片１２の弾性力が作用してスプリング嵌合される。なお、係合凹部１４の前方係合壁は、係合凸部１７の後方係合外壁面１７ｂと横壁１３との間隙に挿入・係止される。これら係合は、連結構造の両側壁側で対象な位置関係で同様になされる。   As shown in FIG. 2, the coupling structures 12 at the target positions are opposed to each other, and both are brought close to each other, whereby the engagement pieces 12 of the respective hollow panels 10 and 10 are advanced inside the extension pieces 15. Then, the insertion locking piece 16 at the distal end of the other extension piece 15 is inserted into the gap between the holding piece 11 and the engagement piece 12. In this insertion, the engagement concave portion 14 at the tip of the engagement piece 12 approaches the mating engagement convex portion 17, gets over the engagement convex portion 17, and the engagement concave portion 14 is engaged with the engagement convex portion 17, By the engagement, the front engagement inner wall surface 14a of the engagement recess 14 and the rear engagement outer wall surface 17b of the mating engagement projection 17 are engaged, and the rear engagement inner wall surface 14b of the engagement recess 14 is The front engaging outer wall surface 17a of the mating engaging projection 17 is engaged. In the engagement, the elastic force of the engagement piece 12 acts and the spring is fitted. The front engaging wall of the engaging concave portion 14 is inserted and locked in the gap between the rear engaging outer wall surface 17 b of the engaging convex portion 17 and the lateral wall 13. These engagements are similarly performed in a target positional relationship on both side walls of the connection structure.

次に、上記連結構造における作用を図３を参照しつつ説明する。
上記連結構造によって、図３（ａ）に示されるように連結された中空パネル１０、１０に、図３（ｂ）に示すように、一側壁側で、係合凹部１４と係合凸部１７との係合部に近い側に荷重負荷が生じると、荷重負荷側では荷重は横壁１３を通して係合凸部１７に伝わる。この荷重は、係合凸部１７を係合凹部１４に押しつけるように作用するため、該係合面での係合は容易に外れることがない。一方、荷重負荷の反対側でも、荷重は横壁１３、係合片１２を介して係合凹部１４に伝わる。この荷重は、係合凹部１４を係合凸部１７に押しつけるように作用するため、該係合面での係合は容易に外れることがない。図に示すように連結構造部に約１°の傾斜変形が生じても係合状態は安定している。 Next, the operation of the connection structure will be described with reference to FIG.
With the connecting structure, the hollow recesses 10 and 10 connected as shown in FIG. 3A are engaged with the engagement concave portion 14 and the engagement convex portion 17 on one side wall side as shown in FIG. 3B. When a load is generated on the side close to the engagement portion, the load is transmitted to the engagement convex portion 17 through the lateral wall 13 on the load load side. Since this load acts so as to press the engaging convex portion 17 against the engaging concave portion 14, the engagement on the engaging surface is not easily disengaged. On the other hand, the load is transmitted to the engaging recess 14 via the lateral wall 13 and the engaging piece 12 on the opposite side of the load. Since this load acts so as to press the engagement concave portion 14 against the engagement convex portion 17, the engagement on the engagement surface is not easily disengaged. As shown in the figure, the engagement state is stable even when the connecting structure portion is inclined by about 1 °.

また、図３（ｃ）に示すように、一側壁側で、係合凹部と係合凸部との係合部に遠い側に荷重負荷が生じると、荷重負荷側では、荷重は横壁１３、係合片１２を介して通して係合凹部１４に伝わる。この荷重は、荷重負荷側では、係合凹部１４と係合凸部１７とを引き離す方向に作用するが、係合片１２を介することで係合面に加わる荷重は緩和される。さらに、係合凹部１４の後方係合内壁面１４ｂと係合凸部１７の前方係合外壁面１７ａとの係合面では、係合面が外側ほど荷重負荷側から遠くなるように傾斜しているので、上記負荷の作用によって係合面の面圧が増大し、係合力を高めて係合が容易に外れるのを防止する。また、係合凹部１４の前方係合壁は、係合凸部１７と横壁との間に挿入係止されており、上記荷重は回転力として作用し、係止が容易に外れるのを防止する。   Further, as shown in FIG. 3 (c), when a load load is generated on the one side wall side on the side far from the engagement portion between the engagement concave portion and the engagement convex portion, on the load load side, the load is It is transmitted to the engagement recess 14 through the engagement piece 12. This load acts on the load load side in a direction in which the engagement concave portion 14 and the engagement convex portion 17 are separated from each other, but the load applied to the engagement surface is relaxed through the engagement piece 12. Further, in the engagement surface between the rear engagement inner wall surface 14b of the engagement recess 14 and the front engagement outer wall surface 17a of the engagement protrusion 17, the engagement surface is inclined so that it is farther from the load load side toward the outer side. Therefore, the surface pressure of the engagement surface is increased by the action of the load, and the engagement force is increased to prevent the engagement from being easily disengaged. The front engagement wall of the engagement recess 14 is inserted and locked between the engagement projection 17 and the lateral wall, and the load acts as a rotational force to prevent the lock from being easily released. .

一方、荷重負荷の反対側では、係合凹部１４の後方係合内壁面１４ｂと係合凸部１７の前方係合外壁面１７ａとの係合面では、係合面が外側ほど荷重負荷側に近くなるように傾斜しているので、上記負荷の作用によって係合面の面圧が増大し、係合力を高めて係合が容易に外れるのを防止する。また、負荷の作用は、該係合面から遠い横壁１３を介して該係合面に作用するので係合面に回転力として作用することで係合安定性を高める。図に示すようにこの荷重負荷の場合にも、連結構造部に約１°の傾斜変形が生じても係合状態は安定している。   On the other hand, on the opposite side of the load load, the engagement surface between the rear engagement inner wall surface 14b of the engagement recess 14 and the front engagement outer wall surface 17a of the engagement projection 17 is closer to the load load side as the engagement surface is outward. Since it is inclined so as to be close, the surface pressure of the engagement surface is increased by the action of the load, and the engagement force is increased to prevent the engagement from being easily disengaged. In addition, since the load acts on the engagement surface via the lateral wall 13 far from the engagement surface, the engagement stability is enhanced by acting on the engagement surface as a rotational force. As shown in the figure, even in the case of this load load, the engagement state is stable even when the connecting structure portion is inclined by about 1 °.

なお、上記実施形態では、中空パネルの連結構造は、連結端の両側が雄雌の関係を有することで、複数の中空パネルの継ぎ足しを可能にしているが、連結端の両側をいずれも雄形状とした中空パネルと、連結端の両側をいずれも雌形状とした中空パネルを連結した連結構造とすることもできる。以下に、その連結構造を図４に基づいて説明する。なお、上記実施形態と同様の構成については同一の符号を付してその説明を省略または簡略化する。   In addition, in the said embodiment, although the connection structure of a hollow panel has a male-female relationship on both sides of a connection end, the hollow panel can be added, but both sides of a connection end are male shape. It is also possible to have a connection structure in which the hollow panel is connected to a hollow panel in which both sides of the connection end are female. Below, the connection structure is demonstrated based on FIG. In addition, about the structure similar to the said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted or simplified.

中空パネル２０は、両側の連結端のうち一方側では雄側として、両側にそれぞれ保持片１１、１１と係合片１２、１２を有しており、係合片１２の先端側には、外向きに配置した係合凹部１４、１４を有している。また、保持片１１、１１間には上記保持片１１、１１が連結された横壁１３ａが形成されている。また、連結端のうち他方側では雌側として、両側にそれぞれ伸張片１５、１５を有しており、伸張片１５、１５の先端側には挿入係止片１６、１６が形成されている。伸張片１５、１５間には、横壁１３ｂが形成されており、伸張片１５、１５に近接して係合凸部１７、１７が形成されており、該係合凸部１７、１７の内側近くで、横壁１３ｂの一部が後方側に屈曲することで、係合凸部１７、１７間では横壁１３ｂが後方側に位置している。   The hollow panel 20 has a holding piece 11, 11 and an engagement piece 12, 12 on both sides as a male side on one side of the connecting ends on both sides, and an outer side on the distal end side of the engagement piece 12. It has the engagement recessed parts 14 and 14 arrange | positioned in direction. Further, a horizontal wall 13 a to which the holding pieces 11, 11 are connected is formed between the holding pieces 11, 11. Further, the other end of the connecting end is a female side and has extension pieces 15 and 15 on both sides, respectively, and insertion locking pieces 16 and 16 are formed on the distal ends of the extension pieces 15 and 15. A lateral wall 13b is formed between the extension pieces 15 and 15, and engaging projections 17 and 17 are formed in the vicinity of the extension pieces 15 and 15, near the inside of the engagement projections 17 and 17. Thus, a part of the lateral wall 13b is bent rearward, so that the lateral wall 13b is positioned on the rear side between the engaging convex portions 17 and 17.

上記中空パネル２０、他の中空パネル２０を継ぎ足すために雄側と雌側とが対向するように配置し、雄側と雌側とを結合する。この結合では、上記実施形態と同様に、保持片１１、係合片１２側と、伸張片１５、挿入係止片１６側とが係合され、さらに係合凹部１４と係合凸部１７とが係合される。   In order to add the hollow panel 20 and the other hollow panel 20, the male side and the female side are arranged to face each other, and the male side and the female side are coupled. In this connection, similarly to the above-described embodiment, the holding piece 11 and the engaging piece 12 side are engaged with the extending piece 15 and the insertion locking piece 16 side, and the engaging concave portion 14 and the engaging convex portion 17 are further engaged. Are engaged.

上記連結構造によって、図４（ａ）に示されるように連結された中空パネル１０、１０に、図４（ｂ）（ｃ）に示すように、荷重負荷による変形が生じると、荷重負荷側では、荷重は横壁１３ａを通して係合凸部１７を係合凹部１４に押しつけるように係合を深める方向に作用し、該係合面での係合は容易に外れることがない。   When the hollow structure 10 and 10 connected as shown in FIG. 4 (a) is deformed by a load as shown in FIGS. 4 (b) and 4 (c) by the above connecting structure, The load acts in the direction of deepening the engagement so as to press the engagement convex portion 17 against the engagement concave portion 14 through the lateral wall 13a, and the engagement at the engagement surface is not easily released.

一方、荷重負荷の反対側では、荷重は横壁１３ａ、係合片１２を介して通して係合凸部１７に伝わり、係合凹部１４の後方係合内壁面１４ｂと係合凸部１７の前方係合外壁面１７ａとの係合面で、係合面が外側ほど荷重負荷側に近くなるように傾斜しているので、上記負荷の作用によって係合面の面圧が増大し、係合力を高めて係合が容易に外れるのを防止する。また、負荷の作用は、該係合面から遠い横壁１３ａを介して該係合面に作用するので係合面に回転力として作用することで係合安定性を高める。図に示すように、連結構造部に約１°の傾斜変形が生じても係合状態は安定している。   On the other hand, on the opposite side of the load load, the load passes through the lateral wall 13a and the engagement piece 12 and is transmitted to the engagement convex portion 17, and the rear engagement inner wall surface 14b of the engagement concave portion 14 and the front of the engagement convex portion 17 are transmitted. Since the engagement surface is inclined with the engagement outer wall surface 17a so that the engagement surface is closer to the load load side toward the outer side, the surface pressure of the engagement surface is increased by the action of the load, and the engagement force is increased. To prevent disengagement easily. In addition, since the load acts on the engagement surface via the lateral wall 13a far from the engagement surface, the engagement stability is enhanced by acting on the engagement surface as a rotational force. As shown in the figure, the engaged state is stable even when the connecting structure portion is inclined by about 1 °.

以上、上記実施形態に基づいて本発明の説明を行ったが、本発明は、上記実施形態の説明の内容に限定されるものではなく、本発明の範囲内において当然に適宜の変更が可能である。   As described above, the present invention has been described based on the above embodiment, but the present invention is not limited to the content of the description of the above embodiment, and can be appropriately changed within the scope of the present invention. is there.

本発明の一実施形態における連結構造を有する中空パネルを示す側面図である。It is a side view which shows the hollow panel which has the connection structure in one Embodiment of this invention. 同じく連結動作を示す中空パネルの一部を示す側面図である。It is a side view which shows a part of hollow panel which similarly shows connection operation | movement. 同じく連結構造の作用を説明する中空パネルの側面図である。It is a side view of the hollow panel which similarly demonstrates the effect | action of a connection structure. 他の実施形態の連結構造の作用を説明する中空パネルの側面図である。It is a side view of the hollow panel explaining the effect | action of the connection structure of other embodiment. 本発明の使用状態を示す概略図である。It is the schematic which shows the use condition of this invention.

符号の説明Explanation of symbols

１０ 中空パネル
１１ 保持片
１２ 係合片
１３ 横壁
１３ａ 横壁
１３ｂ 横壁
１４ 係合凹部
１４ａ 前方係合内壁
１４ｂ 後方係合内壁
１５ 伸張片
１６ 挿入係止片
１７ 係合凸部
１７ａ 前方係合外壁
１７ｂ 後方係合外壁
２０ 中空パネル DESCRIPTION OF SYMBOLS 10 Hollow panel 11 Holding piece 12 Engagement piece 13 Lateral wall 13a Lateral wall 13b Lateral wall 14 Engagement recessed part 14a Front engagement inner wall 14b Rear engagement inner wall 15 Extension piece 16 Insertion locking piece 17 Engagement convex part 17a Front engagement outer wall 17b Back Engaging outer wall 20 hollow panel

Claims (9)

複数の中空パネルが継ぎ足されて互いに連結されるパネル連結構造であって、前記中空パネルの連結端同士の一方端側に、該中空パネルの外面壁に沿って前方に伸張する保持片と、該保持片の内側にあって該保持片と間隙を有しつつ該保持片のさらに前方に伸張し、先端側に外側または内側に向けた係合凹部を有する係合片とを有し、前記中空パネルの連結端同士の他方端側に、該中空パネルの外面壁に沿って前方に伸張して前記保持片の先端側に至る伸張片と、該伸張片の先端側で該伸張片の内側に連結され前方に伸張して前記保持片と前記係合片と間の間隙に挿入、係止される挿入係止片と、前記係合片の係合凹部と係合する内側または外側に向けた係合凸部とを有しており、該係合凸部は、後方係合外壁面と前方係合外壁面とを有しており、前記係合凹部は、前記係合凸部の後方係合外壁面と係合する前方係合内壁面と、前記係合凸部の前方係合外壁面と係合する後方係合内壁面とを有していることを特徴とする中空パネルの連結構造。   A panel connection structure in which a plurality of hollow panels are connected to each other and connected to each other on one end side of the connection ends of the hollow panels, and a holding piece extending forward along the outer wall of the hollow panel; An engagement piece which is inside the holding piece and extends further forward of the holding piece while having a gap with the holding piece, and has an engaging recess on the tip side toward the outside or the inside. An extension piece extending forward along the outer wall of the hollow panel to the other end side of the connecting ends of the panels and reaching the distal end side of the holding piece, and inside the extension piece on the distal end side of the extension piece An insertion locking piece that is connected and extends forward to be inserted and locked in a gap between the holding piece and the engagement piece, and toward an inner side or an outer side that engages with an engagement recess of the engagement piece. An engaging convex portion, and the engaging convex portion has a rear engaging outer wall surface and a front engaging outer wall surface. The engagement recess includes a front engagement inner wall surface that engages with a rear engagement outer wall surface of the engagement protrusion, and a rear engagement inner wall surface that engages with a front engagement outer wall surface of the engagement protrusion. The connection structure of the hollow panel characterized by having. 連結される中空パネルは、それぞれ連結端の一側に前記保持片と前記係合片および係合凹部とが設けられ、他側に前記伸張片および前記挿入係止片と前記係合凸部が設けられていることを特徴とする請求項１記載の中空パネルの連結構造。   Each of the hollow panels to be connected is provided with the holding piece, the engaging piece, and the engaging concave portion on one side of the connecting end, and the extending piece, the insertion locking piece, and the engaging convex portion on the other side. The hollow panel connection structure according to claim 1, wherein the hollow panel connection structure is provided. 前記中空パネルの連結端同士の一方端側の両側に、前記保持片と前記係合片および係合凹部とがそれぞれ設けられ、前記中空パネルの連結端同士の他方端側の両側に、前記伸張片および前記挿入係止片と前記係合凸部がそれぞれ設けられていることを特徴とする請求項１記載の中空パネルの連結構造。   The holding piece, the engagement piece, and the engagement recess are respectively provided on both sides of one end side of the connection ends of the hollow panel, and the extension is provided on both sides of the other end side of the connection ends of the hollow panel. The hollow panel connection structure according to claim 1, wherein a piece, the insertion locking piece, and the engagement protrusion are provided. 前記係合凹部が外側に向けて設けられ、前記係合凸部が内側に向けて設けられていることを特徴とする請求項１〜３のいずれかに記載の中空パネルの連結構造。   The hollow panel connection structure according to claim 1, wherein the engagement concave portion is provided outward, and the engagement convex portion is provided inward. 前記係合凹部は、前方側ほど内側に位置するように傾斜して設けられ、前記係合凸部が前方側ほど外側に位置するように傾斜して設けられていることを特徴とする請求項４記載の中空パネルの連結構造。   The engagement concave portion is provided so as to be inclined so as to be located inward as the front side is located, and the engagement convex portion is provided as inclined so as to be located as far as the front side. 4. The connection structure of hollow panels according to 4. 前記係合凸部の前方係合外壁面と前記係合凹部の後方係合内壁面とは、壁面が外側ほど前記係合凸部が設けられた中空パネルの後方側に位置するように傾斜していることを特徴とする請求項４または５に記載の中空パネルの連結構造。   The front engaging outer wall surface of the engaging convex portion and the rear engaging inner wall surface of the engaging concave portion are inclined so that the outer wall surface is positioned on the rear side of the hollow panel provided with the engaging convex portion. The hollow panel connection structure according to claim 4, wherein the hollow panel connection structure is provided. 前記係合凸部は、中空パネル外壁内側に連結した横壁を介して設けられていることを特徴とする請求項１〜６のいずれかに記載の中空パネル構造。   The said engaging convex part is provided through the horizontal wall connected with the hollow panel outer wall inner side, The hollow panel structure in any one of Claims 1-6 characterized by the above-mentioned. 前記係合凸部は、前記前方係合内壁面側よりも後方で前記後方係合外壁面側に位置している前記横壁に設けられていることを特徴とする請求項７記載の中空パネル構造。   The hollow panel structure according to claim 7, wherein the engagement convex portion is provided on the lateral wall located rearward of the front engagement inner wall surface side and on the rear engagement outer wall surface side. . 前記係合凹部の前方側係合壁は、前記係合凸部の後方側係合壁と前記横壁との間の間隙に挿入・係止されていることを特徴とする請求項７または８に記載の中空パネル構造。   The front engagement wall of the engagement recess is inserted and locked in a gap between a rear engagement wall of the engagement projection and the lateral wall. The hollow panel structure described.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61204878U (en) * 1985-06-14 1986-12-24
JPH10181640A (en) * 1996-12-24 1998-07-07 Mitsubishi Alum Co Ltd Panel material joining structure
JP2006232253A (en) * 2005-01-27 2006-09-07 Sumitomo Light Metal Ind Ltd Hollow core fitting panel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61204878U (en) * 1985-06-14 1986-12-24
JPH10181640A (en) * 1996-12-24 1998-07-07 Mitsubishi Alum Co Ltd Panel material joining structure
JP2006232253A (en) * 2005-01-27 2006-09-07 Sumitomo Light Metal Ind Ltd Hollow core fitting panel

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