JP7280116B2 - Cap mounting structure - Google Patents

Cap mounting structure Download PDF

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JP7280116B2
JP7280116B2 JP2019102538A JP2019102538A JP7280116B2 JP 7280116 B2 JP7280116 B2 JP 7280116B2 JP 2019102538 A JP2019102538 A JP 2019102538A JP 2019102538 A JP2019102538 A JP 2019102538A JP 7280116 B2 JP7280116 B2 JP 7280116B2
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cap
wall surface
cylindrical body
elastic member
insertion portion
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JP2020197026A (en
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秀敏 中村
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Sekisui Jushi Corp
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Description

本発明は、塀やフェンス等に用いられるパイプの端部を塞ぐためのキャップの取付構造に関するものである。 TECHNICAL FIELD The present invention relates to a mounting structure for a cap for closing the end of a pipe used for walls, fences, and the like.

一般に、住宅や工場等の敷地境界部や隣地境界部に設けられる塀やフェンス等に用いられるパネルには、メッシュ状の形態、多数の縦桟を有する縦格子状の形態、板状の形態等、様々な形態が用いられている。この中で、縦格子状の形態からなるパネルは、多数の縦材を横材で固定したものが多く、このうち、縦材は、鋼管やアルミ押出型材等の内部に中空部を有するパイプが用いられており、パイプの開口部には、パイプ材の中への雨水等の浸入や、塀等の付近を通行する通行人がパイプ材の端部に触れても怪我等をしないようにキャップが取付けられている。 In general, panels used for fences and fences installed at the boundaries of premises such as houses and factories and at the boundaries of adjacent land have mesh-like forms, vertical lattice-like forms with many vertical bars, plate-like forms, etc. , various forms are used. Of these, many vertical lattice panels are made up of many vertical members fixed by horizontal members. Among these, the vertical members are steel pipes, aluminum extrusions, or other pipes that have a hollow inside. A cap is placed at the opening of the pipe to prevent rainwater from entering the pipe material and to prevent injuries from passers-by who pass by the fence and touch the end of the pipe material. is installed.

キャップの形態としては、パイプ材に外嵌されるもの、パイプ材に内嵌されるもの、ビスやボルト等の締結部材でキャップとパイプ材とを接合するもの、キャップとパイプ材とを溶接や接着剤等を用いた接合手段で接合するもの、あるいはこれらを組み合わせたもの等が提案されている。 As for the form of the cap, it may be fitted on the outside of the pipe material, fitted on the inside of the pipe material, may be joined to the pipe material with a fastening member such as a screw or bolt, or may be welded or welded to the pipe material. It has been proposed to join by a joining means using an adhesive or the like, or to combine them.

例えば、特許文献1には、基板と、基板の周縁部に設けた周壁と、基板から周壁と同じ方向に延出しかつ中間部分を弾性変形可能としたアームの先端に設けた外向き係止爪を備え、周壁を建築用部材に外側から対向させて、外向き係止爪をアームとともに建築用部材の内部に位置させて建築用部材に設けた係止孔に内部から係止させ、周壁により係止孔を被覆した建築用部材の端部キャップが開示されている。 For example, Patent Document 1 discloses a substrate, a peripheral wall provided at the peripheral edge of the substrate, and an outward locking claw provided at the tip of an arm extending from the substrate in the same direction as the peripheral wall and having an elastically deformable intermediate portion. The peripheral wall is opposed to the building member from the outside, the outward locking claw is positioned inside the building member together with the arm, and is locked to the locking hole provided in the building member from the inside, and the peripheral wall A building component end cap is disclosed that covers a locking hole.

また、特許文献2には、管端に被せられるキャップ本体と、板状ばね鋼を折曲してなり前記キャップ本体の内側天井面に固定された複数の管壁係合脚とからなり、前記管壁係合脚は、キャップ本体の内側天井面に固定される基部と,この基部から管奥方向に向けて立ち上げた立ち上げ部と、この立ち上げ部の先端から外側に折り返した折り返し部とを有することを特徴とする管端用キャップが開示されている。 Further, Patent Document 2 discloses a cap body that covers a pipe end, and a plurality of pipe wall engaging legs that are formed by bending plate-shaped spring steel and are fixed to the inner ceiling surface of the cap body. The wall-engaging leg consists of a base fixed to the inner ceiling surface of the cap body, a rising portion raised from the base toward the inner part of the tube, and a folded portion folded outward from the tip of the raised portion. A tube end cap is disclosed comprising:

特開平10-2173号公報JP-A-10-2173 実開平07-28297号公報Japanese Utility Model Laid-Open No. 07-28297

このように、弾性変形可能な係止爪やばね鋼を用いたキャップを利用することによって、形材や管等の筒状体の端部に強固に取付けることができる。一般に合成樹脂やアルミニウム合金等で前記の係止爪を一体的に形成するものよりは、ばね鋼を用いた方が大きな弾性力を得やすく、特許文献2のように、前記のような基部と立ち上げ部と折り返し部を有するばね鋼であると、筒状体にキャップを取付けやすいが、キャップを筒状体に取付けた後、キャップを抜き出そうとすると、立ち上げ部の先端側である折り返し部に近い方が内側に弾性的に変形しうるので、抜き出しに抗する弾性力が低下するおそれがあった。 In this way, by using the elastically deformable locking claws and the cap made of spring steel, it is possible to firmly attach it to the end portion of a cylindrical body such as a shaped member or a pipe. In general, it is easier to obtain a large elastic force by using spring steel than by integrally forming the locking claws with synthetic resin, aluminum alloy, or the like. If the spring steel has a rising portion and a folded portion, it is easy to attach the cap to the cylindrical body, but after attaching the cap to the cylindrical body, if you try to pull out the cap, the tip of the rising portion will be stuck. Since the portion closer to the folded portion can be elastically deformed inward, there is a risk that the elastic force against the extraction may decrease.

本発明は、前記の如き問題点を解消し、筒状体に対して強固に取付けることができるキャップの取付構造を提供せんとするものである。 SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-described problems and to provide a mounting structure for a cap that can be firmly attached to a cylindrical body.

上記目的を達成するために、本発明は次のような構成としている。
すなわち本発明に係るキャップの取付構造は、筒状体の長手方向の端部に取付けられるキャップの取付構造であって、前記キャップは、前記筒状体の端部を覆う蓋部と前記蓋部の裏面から立設されて前記筒状体の内部に挿入される挿入部と、前記挿入部に取付けられるばね鋼からなる弾性部材とを備え、前記弾性部材は板状であって、前記挿入部より幅狭の基部と前記基部の両端部からそれぞれ蓋部側に折り曲げられて形成された爪部とを有し、前記挿入部は、前記弾性部材の基部が中央部を蓋部側に付勢された状態で固定される固定部を備え、前記爪部が前記筒状体の内壁面に圧接されていることを特徴とするものである。
In order to achieve the above object, the present invention has the following configuration.
That is, a cap mounting structure according to the present invention is a cap mounting structure to be mounted on a longitudinal end portion of a tubular body, wherein the cap includes a lid portion covering the end portion of the tubular body ; and an elastic member made of spring steel attached to the insertion portion. and claw portions formed by bending both end portions of the base portion toward the lid portion. It is characterized in that it has a fixing portion that is fixed in a biased state, and that the claw portion is pressed against the inner wall surface of the cylindrical body.

本発明に係るキャップの取付構造において、前記蓋部は、裏面から立設されて前記筒状体の外壁面に当接しうる複数の規制部を備え、前記挿入部は、前記筒状体の内壁面に対向する対向面を有し、前記固定部は、前記対向面とは反対側に向けて開口しており前記固定部に挿入された前記弾性部材の反力によって、該固定部の上壁面が上方に付勢されるとともに、前記対向面は、少なくともその一部が前記筒状体の内壁面に当接しうるようにしてもよい。 In the cap mounting structure according to the present invention , the lid portion includes a plurality of restricting portions erected from the rear surface and capable of coming into contact with the outer wall surface of the tubular body, and the insertion portion is provided inside the tubular body. The fixing portion has an opposing surface facing the wall surface, and the fixing portion opens toward the side opposite to the opposing surface . While the wall surface is urged upward, at least a portion of the opposing surface may contact the inner wall surface of the cylindrical body .

また、前記キャップの取付構造において、前記挿入部の対向面には、上下方向に沿って形成されて前記内壁面に当接しうる突条が複数形成されているようにしてもよい。 Further, in the mounting structure of the cap, a plurality of ridges may be formed on the opposing surface of the insertion portion so as to extend along the vertical direction and can come into contact with the inner wall surface.

本発明に係るキャップによれば、キャップを筒状体内に取付ける時はキャップの挿入部を筒状体内に挿入しやすく、キャップを筒状体から抜き出そうとする時は、弾性部材の爪部からキャップの内壁面に対して弾性力が大きくなるように作用するので、キャップは筒状体から容易には抜け出しにくくなるので、筒状体に対してキャップを強固に取付けることができる。 According to the cap of the present invention, when the cap is attached to the cylindrical body, the insertion portion of the cap can be easily inserted into the cylindrical body, and when the cap is to be pulled out from the cylindrical body, the claw portion of the elastic member can be easily pulled out. Since the elastic force acts on the inner wall surface of the cap to increase, the cap is not easily removed from the cylindrical body, so that the cap can be firmly attached to the cylindrical body.

本発明に係るキャップを用いたフェンスの第一の実施形態を示す正面図である。It is a front view showing a first embodiment of a fence using a cap according to the present invention. 本発明に係るキャップを用いたフェンスの第一の実施形態を示す側面図である。It is a side view which shows 1st embodiment of the fence using the cap which concerns on this invention. 図1の支柱付近の拡大平面図である。FIG. 2 is an enlarged plan view of the vicinity of the pillar in FIG. 1; 図2のA-A線拡大断面図である。3 is an enlarged cross-sectional view taken along line AA of FIG. 2; FIG. キャップが取付けられた筒状体の説明図である。FIG. 4 is an explanatory diagram of a tubular body to which a cap is attached; 図5のキャップの説明図である。FIG. 6 is an explanatory diagram of the cap of FIG. 5; 図6の弾性部材の説明図であって、(a)は正面図、(b)は平面図である。FIG. 7 is an explanatory diagram of the elastic member in FIG. 6, where (a) is a front view and (b) is a plan view; 図6のB-B線拡大断面図である。FIG. 7 is an enlarged cross-sectional view taken along line BB of FIG. 6; 図5のC-C線拡大断面図である。6 is an enlarged cross-sectional view taken along line CC of FIG. 5; FIG. 本発明に係るキャップの他の実施形態を示す説明図である。FIG. 4 is an explanatory diagram showing another embodiment of the cap according to the present invention;

次に、本発明を実施するための最良の形態について図面を参照し、具体的に説明する。 BEST MODE FOR CARRYING OUT THE INVENTION Next, the best mode for carrying out the present invention will be specifically described with reference to the drawings.

図において、10は筒状体、20は筒状体10の長手方向の端部に取付けられるキャップである。そして図1~図3は本発明に係るキャップ20を取付けた筒状体10を用いたフェンス100を示すものであって、図1は正面図、図2は側面図、図3は図1の支柱110付近の拡大平面図である。すなわち、このフェンス100は、複数の支柱110が立設され、支柱110の間に上下に間隔をおいて複数の胴縁120が取付けられ、更に複数の縦桟としての筒状体10と、他の形態の縦桟130と、これらを支持する横桟140とからなる縦格子パネル150が胴縁120に取付けたものである。 In the figure, 10 is a cylindrical body, and 20 is a cap attached to the end of the cylindrical body 10 in the longitudinal direction. 1 to 3 show a fence 100 using a tubular body 10 with a cap 20 attached thereto according to the present invention, FIG. 1 being a front view, FIG. 2 being a side view, and FIG. 4 is an enlarged plan view of the vicinity of a support 110; FIG. That is, the fence 100 has a plurality of posts 110 erected, a plurality of furring strips 120 attached at intervals between the posts 110, a plurality of vertical bars 10, and other members. Attached to the furrings 120 is a vertical lattice panel 150 consisting of vertical bars 130 in the form of .

図4は図2のA-A線拡大断面図であって筒状体10の断面図を示すものである。筒状体10は、本形態では、前後方向に間隔をあけて略平行に配置された二個の平板部11,12と、半円筒状であって凸側が対向しており平板部11,12間に配置された湾曲部13,14と、湾曲部13,14の前後方向中間部を接続して平板部11,12と略平行に配置された中間壁部15とを備えており、更に平板部11、湾曲部13,14、中間壁部15に囲まれて形成された中空部16と、平板部12、湾曲部13,14、中間壁部15に囲まれて形成された中空部17とを有している。 FIG. 4 is an enlarged cross-sectional view taken along line AA of FIG. In this embodiment, the cylindrical body 10 has two flat plate portions 11 and 12 arranged substantially parallel to each other with a space therebetween in the front-rear direction. curved portions 13 and 14 disposed therebetween; and an intermediate wall portion 15 disposed substantially parallel to the flat plate portions 11 and 12 by connecting intermediate portions in the front-rear direction of the curved portions 13 and 14; A hollow portion 16 formed by being surrounded by the portion 11, the curved portions 13 and 14, and the intermediate wall portion 15, and a hollow portion 17 formed by being surrounded by the flat plate portion 12, the curved portions 13 and 14, and the intermediate wall portion 15. have.

なお、筒状体10の内壁面とは、筒状体10の側面を形成する面において中空部を形成する壁面を指し、それ以外の面は特に説明のない限り外壁面と記載する。すなわち、中空部16は、平板部11、湾曲部13,14、中間壁部15において中空部16に面する内壁面11a、13a、14a、15aに囲まれて形成されている。また、中空部17は、平板部12、湾曲部13,14、中間壁部15において中空部17に面する内壁面12a、13a、14a、15bに囲まれて形成されている。 The inner wall surface of the tubular body 10 refers to the wall surface forming the hollow portion in the surface forming the side surface of the tubular body 10, and the other surfaces are referred to as the outer wall surface unless otherwise specified. That is, the hollow portion 16 is surrounded by inner wall surfaces 11a, 13a, 14a, and 15a facing the hollow portion 16 in the flat portion 11, the curved portions 13 and 14, and the intermediate wall portion 15. As shown in FIG. The hollow portion 17 is surrounded by inner wall surfaces 12a, 13a, 14a, and 15b facing the hollow portion 17 in the flat plate portion 12, the curved portions 13 and 14, and the intermediate wall portion 15. As shown in FIG.

筒状体10は、長手方向に中空部が連続的に形成されたものであればよく、断面形状は、本形態に限定されるものではなく、例えば、矩形状、小判型等でもよい。また筒状体10の素材としては、合成樹脂、アルミニウム合金等を押出成形により製造された成形体や、鋼管のような金属管を挙げることができる。 The cylindrical body 10 may have a hollow portion continuously formed in the longitudinal direction, and the cross-sectional shape is not limited to this embodiment, and may be, for example, a rectangular shape, an oval shape, or the like. Examples of the material for the cylindrical body 10 include molded bodies produced by extrusion molding of synthetic resins, aluminum alloys, etc., and metal pipes such as steel pipes.

図5はキャップ20が取付けられた筒状体10の説明図、図6は図5のキャップ20の説明図、図7は図6の弾性部材30の説明図であって、(a)は正面図、(b)は平面図である。図5に示すように、キャップ20は筒状体10の上下端部にそれぞれ取付けられたものである。なお、キャップ20については、以後、筒状体10の下端部に取付けた形態について主に説明し、筒状体10の上端部に取付けた形態については相違点のみ説明する。 5 is an explanatory view of the cylindrical body 10 to which the cap 20 is attached, FIG. 6 is an explanatory view of the cap 20 of FIG. 5, FIG. 7 is an explanatory view of the elastic member 30 of FIG. 6, and (a) is a front view. FIG. (b) is a plan view. As shown in FIG. 5, the caps 20 are attached to the upper and lower ends of the cylindrical body 10, respectively. Regarding the cap 20, the form attached to the lower end portion of the cylindrical body 10 will be mainly described below, and only the difference in the form attached to the upper end portion of the cylindrical body 10 will be described.

キャップ20は、図6に示すように、筒状体10の下端部を覆う蓋部21と、筒状体10内に挿入される挿入部22とを備えている。蓋部21は、薄い平板状に形成されており、一部に水抜き孔21aが上下方向に貫通して形成されている。なお、筒状体10の上端部に取付けられるキャップ20は、図5に示すように水抜き孔を備えていないものである。 As shown in FIG. 6, the cap 20 includes a lid portion 21 that covers the lower end portion of the tubular body 10 and an insertion portion 22 that is inserted into the tubular body 10 . The lid portion 21 is formed in the shape of a thin flat plate, and a portion of the lid portion 21 is formed with a drain hole 21a penetrating therethrough in the vertical direction. Note that the cap 20 attached to the upper end portion of the tubular body 10 does not have a drain hole as shown in FIG.

挿入部22は、蓋部21の裏面(図6において蓋部21の上面)に立設されている。本形態において、筒状体10は二個の中空部16,17を有しているので、本形態に係る挿入部22は、中空部16内に挿入される第一の挿入部23と、中空部17内に挿入される第二の挿入部24とを備えている。 The insertion portion 22 is erected on the rear surface of the lid portion 21 (the upper surface of the lid portion 21 in FIG. 6). In this embodiment, the cylindrical body 10 has two hollow portions 16 and 17, so the insertion portion 22 according to this embodiment includes a first insertion portion 23 inserted into the hollow portion 16 and a hollow and a second insertion portion 24 that is inserted into the portion 17 .

第一の挿入部23には、ばね鋼からなる弾性部材30が取付けられている。弾性部材30は板状であって、第一の挿入部23の前後方向の幅よりも狭い幅狭の基部31と、基部31の両端部から蓋部21側に向けて折り曲げられて形成された爪部32,33を備えており、基部31と爪部32,33とにより略コ字状に形成されている。弾性部材30で用いるばね鋼としては、例えば、ばね用ステンレス鋼帯(JIS G4313)、ばね用冷間圧延鋼帯(JIS G4802)等を用いることができる。 An elastic member 30 made of spring steel is attached to the first insertion portion 23 . The elastic member 30 has a plate-like shape and is formed by bending a narrow base portion 31 that is narrower than the width of the first insertion portion 23 in the front-rear direction and both ends of the base portion 31 toward the lid portion 21 side. Claw portions 32 and 33 are provided, and the base portion 31 and the claw portions 32 and 33 form a substantially U-shape. As the spring steel used for the elastic member 30, for example, a spring stainless steel strip (JIS G4313), a spring cold-rolled steel strip (JIS G4802), or the like can be used.

筒状体10の中空部16に挿入された第一の挿入部23は、柱状に形成されており、図4に示すように、中空部16を囲む内壁面13aに対向する対向面25を有し、対向面25の反対側には弾性部材30が取付けられている。そして、弾性部材30の爪部32,33の先端部が中空部16を囲む内壁面11a、15aに圧接されており、この構造により、筒状体10に対してキャップ20を強固に取付けることができる。なお、第二の挿入部24は第一の挿入部23と同様な構造であり、中空部17は中空部16と同様な構造であるので、その説明は省略する。 The first insertion portion 23 inserted into the hollow portion 16 of the cylindrical body 10 is formed in a columnar shape and has a facing surface 25 facing the inner wall surface 13a surrounding the hollow portion 16 as shown in FIG. An elastic member 30 is attached to the opposite side of the facing surface 25 . The tips of the claws 32 and 33 of the elastic member 30 are in pressure contact with the inner wall surfaces 11a and 15a surrounding the hollow portion 16. With this structure, the cap 20 can be firmly attached to the cylindrical body 10. can. The second insertion portion 24 has a structure similar to that of the first insertion portion 23, and the hollow portion 17 has a structure similar to that of the hollow portion 16, so the description thereof will be omitted.

また、図4,図6に示すように、キャップ20は、蓋部21の裏面から立設された複数の規制部21b,21cを有している。規制部21b,21cは、それぞれ筒状体10の外壁面に対向して配置されており、左右に間隔をあけて配置された規制部21b,21bによって筒状体10に対するキャップ20の左右方向の移動を規制し、前後に間隔をあけて配置された規制部21c,21cによって筒状体10に対するキャップ20の前後方向の移動を規制する。これにより、中空部16に挿入された第一の挿入部23と相まって、筒状体10に取付けられたキャップ20の前後方向、左右方向の位置ずれを抑えることができる。 4 and 6, the cap 20 has a plurality of regulating portions 21b and 21c erected from the rear surface of the lid portion 21. As shown in FIGS. The restricting portions 21b and 21c are arranged to face the outer wall surface of the cylindrical body 10, respectively, and the restricting portions 21b and 21b, which are spaced apart in the left and right direction, move the cap 20 in the lateral direction with respect to the cylindrical body 10. The cap 20 is restricted from moving in the front-rear direction with respect to the cylindrical body 10 by the restricting portions 21c, 21c arranged with a space therebetween in the front-rear direction. As a result, together with the first insertion portion 23 inserted into the hollow portion 16, it is possible to suppress positional displacement of the cap 20 attached to the cylindrical body 10 in the front-back direction and the left-right direction.

図8は図のB-B線拡大断面図である。次に、キャップ20に対する弾性部材30の取付構造について図6,図8を用いて説明する。第一の挿入部23は、弾性部材30の基部31が取付けられる固定部41と爪部32が配置可能な切欠部42とを備えている。固定部41は、対向面25とは反対側に向けて連続して形成されている。 FIG. 8 is an enlarged sectional view taken along line BB of FIG . Next, a mounting structure of the elastic member 30 to the cap 20 will be described with reference to FIGS. 6 and 8. FIG. The first insertion portion 23 includes a fixing portion 41 to which the base portion 31 of the elastic member 30 is attached and a notch portion 42 in which the claw portion 32 can be arranged. The fixing portion 41 is formed continuously toward the side opposite to the facing surface 25 .

固定部41は、上壁面43と下壁面44と有しており、対向面25側に当たる右側は有底であり、左側、前後両側は開口されている。上壁面43は中央部が下方に向けて突出する突状に形成されており、下壁面44は中央部が下方に向けて凹んだ凹状に形成されている。 The fixed portion 41 has an upper wall surface 43 and a lower wall surface 44, and has a bottom on the right side corresponding to the opposing surface 25 side, and is open on the left side and both front and rear sides. The upper wall surface 43 has a central portion that protrudes downward, and the lower wall surface 44 has a central portion that is recessed downward.

弾性部材30の基部31を固定部41内に取付ける際、基部31の中央部を下方に向けて弾性的に撓ませることで配置可能となる。すなわち、基部31の中央部の上部は上壁面43により下方に付勢され、基部31の両端部は下壁面44の両端部により上方に付勢された状態で取付可能となるため、基部31は固定部41内に弾性的に固定されることとなる、固定部41内から容易に抜け出すことなくなる。 When the base portion 31 of the elastic member 30 is attached to the fixing portion 41, the base portion 31 can be arranged by elastically bending the central portion of the base portion 31 downward. That is, the upper part of the central portion of the base portion 31 is urged downward by the upper wall surface 43, and both ends of the base portion 31 are urged upward by the both end portions of the lower wall surface 44, so that the base portion 31 can be attached. It will be elastically fixed in the fixed part 41 and will not easily slip out of the fixed part 41 .

切欠部42は、固定部41と連続して形成されたものであって、第一の挿入部23の内壁面11a側が上下方向に切り欠かれて、縦壁部45と底壁部46とを備えている。 The notch portion 42 is formed continuously with the fixing portion 41, and the inner wall surface 11a side of the first insertion portion 23 is notched in the vertical direction to separate the vertical wall portion 45 and the bottom wall portion 46 from each other. I have it.

図9は図5のC-C線拡大断面図である。図8に示されたキャップ20の第一の挿入部23を中空部16に挿入した際、弾性部材30の爪部32は、内壁面11aと切欠部42によって形成された空間内に配置される。なお、爪部33は、第一の挿入部23と内壁面15aとの間に配置することができる。ここで、弾性部材30の爪部32,33の先端部は、内壁面11a、15aによって内側に弾性的に変形するところ、その変形量は、単に弾性部材30を筒状体10内に挿入したときより大きくなる。 FIG. 9 is an enlarged sectional view taken along line CC of FIG. When the first insertion portion 23 of the cap 20 shown in FIG. 8 is inserted into the hollow portion 16, the claw portion 32 of the elastic member 30 is arranged in the space formed by the inner wall surface 11a and the notch portion 42. . Note that the claw portion 33 can be arranged between the first insertion portion 23 and the inner wall surface 15a. Here, the distal end portions of the claw portions 32 and 33 of the elastic member 30 are elastically deformed inward by the inner wall surfaces 11a and 15a. become larger over time.

すなわち、第一の挿入部23も取付けられた弾性部材30は、図8に示すように、爪部32,33の先端部が相対的に上方に移動することとなるので、弾性部材30の爪部32,33の先端部間の距離L1は、基部31を固定部41内に取付ける前の距離L2よりも長くなる。 That is, as shown in FIG. 8, the elastic member 30 to which the first insertion portion 23 is also attached moves the distal ends of the claw portions 32 and 33 relatively upward. A distance L1 between the distal ends of the portions 32 and 33 is longer than the distance L2 before the base portion 31 is mounted inside the fixing portion 41 .

これにより、第一の挿入部23を中空部16に挿入した際、弾性部材30に生じる弾性力がより大きくなり、その結果、弾性部材30の弾性変形によって、爪部32,33を通じて内壁面11a、15aが受ける弾性力も大きくなるので、挿入部22は、筒状体10から抜け出しにくくなる。 As a result, when the first insertion portion 23 is inserted into the hollow portion 16, the elastic force generated in the elastic member 30 is increased. , 15a is also increased, so that the insertion portion 22 becomes difficult to come off from the cylindrical body 10.例文帳に追加

また、キャップ20を筒状体10内に挿入する際、基部31側が先に挿入されるところ、基部31の幅は、爪部32,33の先端部間の距離より狭いので、弾性部材30の爪部32,33は、挿入につれて徐々に弾性的に変形することになるので、挿入する際に大きな力を必要としない。一方、キャップ20を筒状体10に取付けた後に引き抜こうとすると、弾性部材30が筒状体10の下端部側へ移動しようとするが、爪部32,33の先端部が筒状体10の内壁面11a、15aに圧接した状態で滑りにくいため、爪部32,33の先端部はより内壁面11a、15aを押圧するように作用する。これにより、キャップ20は筒状体から抜け出しにくくなる。 Also, when the cap 20 is inserted into the cylindrical body 10, the base portion 31 side is inserted first. Since the claws 32 and 33 are gradually elastically deformed as they are inserted, a large force is not required for insertion. On the other hand, when trying to pull out the cap 20 after attaching it to the cylindrical body 10 , the elastic member 30 tries to move to the lower end side of the cylindrical body 10 , but the tips of the claws 32 and 33 do not reach the cylindrical body 10 . Since it is difficult to slip when pressed against the inner wall surfaces 11a and 15a, the tip portions of the claw portions 32 and 33 act to press the inner wall surfaces 11a and 15a more. This makes it difficult for the cap 20 to slip out of the cylindrical body.

更に、図8に示すように弾性部材30の基部31は下向きに撓んだ状態であるので、それに伴って発生する反力により、固定部41の上壁面43には上向きに付勢されるので、固定部41の前側の開口が上向きに開き、連動して対向面25の上部が外方に向けて変形して反りが生じるおそれがある。すると、第一の挿入部23を中空部16に挿入する際、対向面25が内壁面13aと干渉して、挿入作業に支障が出たり、部材の一部が損傷したりするおそれがある。 Further, as shown in FIG. 8, since the base portion 31 of the elastic member 30 is in a state of being bent downward, the upper wall surface 43 of the fixing portion 41 is urged upward by the reaction force generated accordingly. , the opening on the front side of the fixing portion 41 opens upward, and the upper portion of the facing surface 25 may be deformed outward and warped. Then, when the first insertion portion 23 is inserted into the hollow portion 16, the facing surface 25 may interfere with the inner wall surface 13a, which may hinder the insertion work or damage a part of the member.

そこで、本形態では、対向面25において上下方向に沿って突条26を形成し、突条26の頂部を内壁面13aに向けて配置することにより、挿入作業中に、上記干渉が生じても、突条26と内壁面13aとの接触面積が少なくなるので、挿入作業に対する影響を低減することができる。また、内壁面13aと対向面25とが比較的広い範囲にわたって干渉しうる場合は、図4,図6に示すように、対向面25の幅方向に対して突条26を複数形成しておけば、挿入作業に対する影響を低減することができる。更に、筒状体10にキャップ20を取付けた後、弾性部材30の反力により、対向面25が内壁面13a側に反りが生じて接触する場合はあるが、それ以上の弾性的な変形は内壁面13aにより抑えられるので、弾性部材30が取付けられた固定部41付近の破損を抑えることができる。 Therefore, in this embodiment, by forming the ridges 26 along the vertical direction on the facing surface 25 and arranging the tops of the ridges 26 toward the inner wall surface 13a, even if the above-mentioned interference occurs during the insertion work. Since the contact area between the ridge 26 and the inner wall surface 13a is reduced, the influence on the insertion work can be reduced. If the inner wall surface 13a and the facing surface 25 can interfere over a relatively wide range, a plurality of ridges 26 should be formed in the width direction of the facing surface 25 as shown in FIGS. If so, the influence on the insertion work can be reduced. Furthermore, after the cap 20 is attached to the cylindrical body 10, the reaction force of the elastic member 30 may cause the opposing surface 25 to warp toward the inner wall surface 13a and come into contact with the inner wall surface 13a. Since it is suppressed by the inner wall surface 13a, it is possible to suppress damage near the fixing portion 41 to which the elastic member 30 is attached.

図10は、本発明に係るキャップの他の実施形態を示す説明図であって、図8に対応した縦断面図であるので、主に相違点を説明する。それ以外で、既に説明した内容と同じ構成要素には同じ符号を付し、その説明は省略する。 FIG. 10 is an explanatory view showing another embodiment of the cap according to the present invention, and is a vertical cross-sectional view corresponding to FIG. 8, so mainly different points will be explained. Other than that, the same components as those already explained are denoted by the same reference numerals, and their explanations are omitted.

第一の挿入部23は、弾性部材30の基部31が配置可能な固定部41を備えている点は共通しているが、下壁面44の中央部が下方に向けて隙間47が形成されたものである。また、第一の挿入部23の切欠部42において、底壁部46は内壁面11aに向けて下方に傾斜する傾斜面48を有している。これにより、内壁面11aと底壁部46との隙間に弾性部材30の爪部32が引っ掛かるような不具合を抑えることができる。 The first insertion portion 23 has in common that it has a fixing portion 41 on which the base portion 31 of the elastic member 30 can be arranged. It is a thing. In addition, in the notch portion 42 of the first insertion portion 23, the bottom wall portion 46 has a sloped surface 48 that slopes downward toward the inner wall surface 11a. As a result, it is possible to prevent the claw portion 32 of the elastic member 30 from being caught in the gap between the inner wall surface 11 a and the bottom wall portion 46 .

以上のように本実施形態のキャップの取付構造は、筒状体10の長手方向の端部に取付けられるキャップ20の取付構造であって、キャップ20は、筒状体10の端部を覆う蓋部21と、蓋部21の裏面から立設されて筒状体10の内部に挿入される挿入部22と、挿入部22に取付けられるばね鋼からなる弾性部材30とを備え、弾性部材30は板状であって、挿入部22より幅狭の基部31と、基部31の両端部からそれぞれ蓋部21側に向けて折り曲げられて形成された爪部32,33とを有し、爪部32,33が筒状体10の内壁面11a、15aに圧接されていることを特徴とするものである。 As described above, the cap mounting structure of the present embodiment is a mounting structure for the cap 20 that is mounted on the longitudinal end of the cylindrical body 10 , and the cap 20 covers the end of the cylindrical body 10 . a portion 21, an insertion portion 22 erected from the rear surface of the lid portion 21 and inserted into the cylindrical body 10, and an elastic member 30 made of spring steel attached to the insertion portion 22, the elastic member 30 It has a plate-like base portion 31 narrower than the insertion portion 22 and claw portions 32 and 33 formed by bending both ends of the base portion 31 toward the lid portion 21 side. , 33 are pressed against the inner wall surfaces 11a and 15a of the cylindrical body 10. As shown in FIG.

この構成により、弾性部材30の爪部32,33は、基部31の両端部からそれぞれ蓋部21側に折り曲げられて形成されており、筒状体10の内壁面11a、15aに圧接されるため、キャップ20は筒状体10から容易には抜け出しにくくなり、筒状体10にキャップ20を強固に取付けることができる。 With this configuration, the claw portions 32 and 33 of the elastic member 30 are formed by bending from both ends of the base portion 31 toward the lid portion 21 side, and are pressed against the inner wall surfaces 11a and 15a of the cylindrical body 10. , the cap 20 becomes difficult to come off from the cylindrical body 10, and the cap 20 can be firmly attached to the cylindrical body 10. - 特許庁

ここで、蓋部21は、裏面から立設されて筒状体10の外壁面に当接する複数の規制部21b,21cを備え、挿入部22は、筒状体10の内壁面13aに対向する対向面25と、対向面25とは反対側に向けて開口しており、弾性部材30の基部31が中央部を下方向に付勢された状態で配置可能な固定部41を備え、固定部41に挿入された弾性部材30の反力によって、固定部41の上壁面43が上方に付勢されるとともに、対向面25は、少なくともその一部が筒状体10の内壁面13aに当接しうるようになされている。 Here, the lid portion 21 has a plurality of regulating portions 21b and 21c which stand upright from the rear surface and contact the outer wall surface of the cylindrical body 10, and the insertion portion 22 faces the inner wall surface 13a of the cylindrical body 10. The facing surface 25 and a fixing portion 41 that opens toward the side opposite to the facing surface 25 and that can be arranged in a state where the base portion 31 of the elastic member 30 is biased downward at the central portion. The upper wall surface 43 of the fixing portion 41 is urged upward by the reaction force of the elastic member 30 inserted into the fixing portion 41, and at least a portion of the opposing surface 25 contacts the inner wall surface 13a of the cylindrical body 10. It is made to be able to hear.

この構成により、対向面25が筒状体10の内壁面13aに当接しうるので、筒状体10に対するキャップ20の位置ずれを抑えることができる。 With this configuration, the opposing surface 25 can abut against the inner wall surface 13a of the tubular body 10, so that displacement of the cap 20 with respect to the tubular body 10 can be suppressed.

また、挿入部22の対向面25には、上下方向に沿って形成されて内壁面13aに当接しうる突条26が複数形成されている。 A plurality of ridges 26 are formed on the facing surface 25 of the insertion portion 22 so as to extend in the vertical direction and can come into contact with the inner wall surface 13a.

この構成により、挿入部22の対向面25が筒状体10の内壁面13aに当接する場合であっても、接触面積を少なくすることができるので、キャップ20を筒状体10内にスムーズに挿入することができる。 With this configuration, even when the facing surface 25 of the insertion portion 22 comes into contact with the inner wall surface 13a of the cylindrical body 10, the contact area can be reduced, so that the cap 20 can be smoothly inserted into the cylindrical body 10. can be inserted.

以上、本発明のキャップについて、実施形態に基づいて説明したが、本発明は、この実施形態に限定されるものではない。本発明の要旨を逸脱しない範囲内で当業者が思いつく各種変形を施したものも本発明の範囲内に含まれる。 Although the cap of the present invention has been described above based on the embodiments, the present invention is not limited to these embodiments. Various modifications conceived by those skilled in the art are included in the scope of the present invention without departing from the gist of the present invention.

本発明によれば、パイプに対するキャップの施工が容易になされるので、塀やフェンス等に用いられる桟材や支柱に好適に用いることができる。 According to the present invention, caps can be easily applied to pipes, so that they can be suitably used for crosspieces and posts used for walls, fences, and the like.

10 筒状体
11、12 平板部
13、14 湾曲部
15 中間壁部
16、17 中空部
11a、12a、13a、14a、15a、15b 内壁面
20 キャップ
21 蓋部
21a 水抜き孔
21b、21c 規制部
22 挿入部
23 第一の挿入部
24 第二の挿入部
25 対向面
26 突条
30 弾性部材
31 基部
32,33 爪部
41 固定部
42 切欠部
43 上壁面
44 下壁面
45 縦壁部
46 底壁部
47 隙間
48 傾斜面
100 フェンス
110 支柱
120 胴縁
130 縦桟
140 横桟
150 縦格子パネル
10 Cylindrical bodies 11, 12 Flat plate portions 13, 14 Curved portion 15 Intermediate wall portions 16, 17 Hollow portions 11a, 12a, 13a, 14a, 15a, 15b Inner wall surface 20 Cap 21 Lid portion 21a Drain holes 21b, 21c Regulating portion 22 insertion portion 23 first insertion portion 24 second insertion portion 25 facing surface 26 ridge 30 elastic member 31 base portions 32, 33 claw portion 41 fixing portion 42 notch portion 43 upper wall surface 44 lower wall surface 45 vertical wall portion 46 bottom wall Part 47 Gap 48 Inclined surface 100 Fence 110 Post 120 Furring strip 130 Vertical beam 140 Horizontal beam 150 Vertical lattice panel

Claims (3)

筒状体の長手方向の端部に取付けられるキャップの取付構造であって、
前記キャップは、前記筒状体の端部を覆う蓋部と
前記蓋部の裏面から立設されて前記筒状体の内部に挿入される挿入部と、
前記挿入部に取付けられるばね鋼からなる弾性部材とを備え、
前記弾性部材は板状であって、前記挿入部より幅狭の基部と
前記基部の両端部からそれぞれ蓋部側に折り曲げられて形成された爪部とを有し、
前記挿入部は、前記弾性部材の基部が中央部を蓋部側に付勢された状態で固定される固定部を備え、
前記爪部が前記筒状体の内壁面に圧接されている
ことを特徴とするキャップの取付構造。
A cap attachment structure attached to a longitudinal end of a tubular body,
The cap includes a lid portion that covers an end portion of the tubular body ;
an insertion portion erected from the rear surface of the lid portion and inserted into the tubular body;
and an elastic member made of spring steel attached to the insertion portion,
The elastic member is plate-shaped and has a base portion narrower than the insertion portion ;
and claw portions formed by bending both ends of the base portion toward the lid portion,
The insertion portion includes a fixing portion to which the base portion of the elastic member is fixed while the central portion thereof is biased toward the lid portion,
A cap attachment structure, wherein the claw portion is pressed against an inner wall surface of the cylindrical body.
前記蓋部は、裏面から立設されて前記筒状体の外壁面に当接しうる複数の規制部を備え、
前記挿入部は、前記筒状体の内壁面に対向する対向面を有し、
前記固定部は、前記対向面とは反対側に向けて開口しており
前記固定部に挿入された前記弾性部材の反力によって、該固定部の上壁面が上方に付勢されるとともに、
前記対向面は、少なくともその一部が前記筒状体の内壁面に当接しうる
ことを特徴とする請求項1に記載のキャップの取付構造。
The lid portion includes a plurality of restricting portions erected from the back surface and capable of coming into contact with the outer wall surface of the cylindrical body,
the insertion portion has a facing surface facing the inner wall surface of the tubular body,
The fixing portion opens toward the side opposite to the facing surface ,
The upper wall surface of the fixing portion is urged upward by the reaction force of the elastic member inserted into the fixing portion , and
2. The cap mounting structure according to claim 1, wherein at least a portion of the facing surface can abut against the inner wall surface of the cylindrical body.
前記挿入部の対向面には、上下方向に沿って形成されて前記内壁面に当接しうる突条が複数形成されている
ことを特徴とする請求項2に記載のキャップの取付構造。
3. The cap mounting structure according to claim 2, wherein a plurality of ridges are formed on the facing surface of the insertion portion along the vertical direction and are capable of coming into contact with the inner wall surface.
JP2019102538A 2019-05-31 2019-05-31 Cap mounting structure Active JP7280116B2 (en)

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JPS5853293Y2 (en) * 1978-08-17 1983-12-05 日本鋼管ライトスチ−ル株式会社 Center beam protection fence
US5645270A (en) * 1996-06-24 1997-07-08 Lawrence; Lloyd L. Plastic component connection system
JP3257411B2 (en) * 1996-08-05 2002-02-18 日本軽金属株式会社 Square pipe cap for civil engineering or construction

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