JP5967975B2 - Inspection frame outer frame fixing device - Google Patents

Inspection frame outer frame fixing device Download PDF

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JP5967975B2
JP5967975B2 JP2012043584A JP2012043584A JP5967975B2 JP 5967975 B2 JP5967975 B2 JP 5967975B2 JP 2012043584 A JP2012043584 A JP 2012043584A JP 2012043584 A JP2012043584 A JP 2012043584A JP 5967975 B2 JP5967975 B2 JP 5967975B2
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frame
slider
outer frame
fixing device
inspection port
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JP2013181276A (en
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柳原　良雄
良雄 柳原
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株式会社サヌキ
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Description

この発明は、例えば床下点検口や天井点検口などの点検口の外枠固定装置に関する。   The present invention relates to an outer frame fixing device for an inspection port such as an underfloor inspection port or a ceiling inspection port.

図９は、従来の床下点検口の外枠７を床開口６４の縁部に固定する状態を示す断面図である。この床下点検口の外枠７は、立上り壁７１と、立上り壁７１の上端を外向きに折り曲げた水平状ひさし７２と、立上り壁７１の下端に連続し、内向きに突出するハコ状受け部７３とからなる。   FIG. 9 is a cross-sectional view showing a state in which the outer frame 7 of the conventional underfloor inspection port is fixed to the edge of the floor opening 64. The outer frame 7 of the underfloor inspection port includes a rising wall 71, a horizontal eave 72 in which the upper end of the rising wall 71 is bent outward, and a box-shaped receiving portion that is continuous with the lower end of the rising wall 71 and protrudes inward. 73.

この外枠７を固定する床面（根太６１と床補強材６２と床材６３）６の適所に点検用の開口が開設され、この床開口６４に上記外枠７を嵌め入れる。水平状ひさし７２が床面６に載置された状態で、立上り壁７１が床開口６４周縁に隙間を介してほぼ接面状に対応する。   An opening for inspection is opened at an appropriate position on the floor surface (the joist 61, the floor reinforcing material 62, and the floor material 63) 6 to which the outer frame 7 is fixed, and the outer frame 7 is fitted into the floor opening 64. In a state where the horizontal eaves 72 is placed on the floor surface 6, the rising wall 71 corresponds to a substantially contact surface shape with a gap around the periphery of the floor opening 64.

ここで、立上り壁７１面内のビス孔７１ａ側から床材６３に対しビス７１ｂを打ち込み、床面６に外枠７を額縁状に固定する。一方、床開口に際し切り出した床材６３を方形状の蓋板（内蓋）６５とし、蓋板６５の外周に断面略「コ字状」の内枠６６を固着して、内枠６６の底面をハコ状受け部７３の上面で支承する。
特開２００３−１２００１４号公報 Here, the screw 71b is driven into the floor material 63 from the screw hole 71a side in the surface of the rising wall 71, and the outer frame 7 is fixed to the floor surface 6 in a frame shape. On the other hand, the floor material 63 cut out at the time of opening the floor is used as a rectangular lid plate (inner lid) 65, and an inner frame 66 having a substantially “U” cross section is fixed to the outer periphery of the lid plate 65. Is supported on the upper surface of the box-shaped receiving portion 73.
JP 2003-120014 A

従来の床下点検口の外枠では、立上り壁から床端面に対しビス打ちする。このビスを締付けすぎると、床端面と外枠との間の適正な隙間がなくなり、外枠が変形する不利がある。   In the outer frame of the conventional underfloor inspection port, screws are made from the rising wall to the floor end surface. If this screw is tightened too much, there is no suitable gap between the floor end surface and the outer frame, and there is a disadvantage that the outer frame is deformed.

逆に、ビスの締付け強度が十分でないと、ハコ状受け部の下方に支えがないことと相俟って蓋板にかかる負荷は水平状ひさしの設置面でのみ支承する結果となる。このため、図９の矢印で示すように、水平状ひさし７２の設置面が支点となって、外枠７は矢印Ｃ方向へ変形する。   On the contrary, if the tightening strength of the screw is not sufficient, the load applied to the cover plate is supported only on the installation surface of the horizontal eaves, together with the fact that there is no support below the box-shaped receiving portion. For this reason, as shown by the arrow in FIG. 9, the installation surface of the horizontal eaves 72 serves as a fulcrum, and the outer frame 7 is deformed in the direction of arrow C.

仮に、外枠７のハコ状受け部７３を支える受け桟（図９の仮想線で示す）６７を施工した場合は、外枠７の矢印Ｃ方向への変形は解消し得る反面、場所によってはこの施工が困難である許かりでなく、床面開口寸法及び受け桟の高さ寸法を精確にしなければならず、煩瑣で熟練を要する等の不利があった。   If a receiving bar (shown in phantom lines in FIG. 9) 67 that supports the box-shaped receiving portion 73 of the outer frame 7 is constructed, the deformation of the outer frame 7 in the direction of arrow C can be eliminated, but depending on the location This construction was not allowed to be difficult, but the floor surface opening size and the height of the receiving bar had to be precise, which was disadvantageous in that it was cumbersome and required skill.

この発明は、以上のような課題を解消させ、外枠に対し内枠（内蓋）を嵌め入れるだけの通常の簡単な操作のみによって、強固に外枠を固定し得、しかも外枠と床材との接合隙間が保持され、場所を選ばず且つ全く熟練を必要とせず、正確迅速に取付け可能な点検口の外枠固定装置を提供することを目的とする。   The present invention solves the above-described problems, and can firmly fix the outer frame by only a simple simple operation of fitting the inner frame (inner lid) to the outer frame. It is an object of the present invention to provide an inspection frame outer frame fixing device that can maintain a bonding gap with a material, can be installed accurately and quickly without selecting a place and requiring no skill at all.

この目的を達成させるために、この発明の点検口の外枠固定装置では、次のような構成としている。
点検口の外枠固定装置は、一方の枠材の内枠支承部の水平状支承面に窓孔を設けると共に、隣り合う他方の枠材の内枠支承部の外壁に通行口を開設した外枠と、上記一方の枠材の内枠支承部の挿入用枠部に嵌入する基板の面内に上記窓孔と通行口とに連通する連通孔を設けると共に、他方の枠材の内枠支承部の挿入用枠部に嵌入する突出基板部を設けたコーナージョイントと、下部が連通孔に嵌入し上部が窓孔から上方へ立ち上がるスライダー本体に傾斜溝を設けたスライダーと、連通孔に配備され先端が通行口に対応し基端の傾斜板が傾斜溝に嵌合する突き刺し体とから成ることを特徴としている。 In order to achieve this object, the inspection frame outer frame fixing device of the present invention has the following configuration.
The outer frame fixing device for the inspection port is provided with a window hole in the horizontal support surface of the inner frame support part of one frame material, and an outside opening in the outer wall of the inner frame support part of the other adjacent frame material. A communication hole that communicates with the window hole and the passage opening is provided in the surface of the board that fits into the frame and the insertion frame portion of the inner frame support portion of the one frame material, and the inner frame support of the other frame material A corner joint provided with a protruding substrate part that fits into the insertion frame part of the part, a slider in which the lower part fits into the communication hole and the upper part rises upward from the window hole, and a slider provided with an inclined groove, and the communication hole It is characterized by comprising a piercing body whose front end corresponds to the passageway and whose base end inclined plate is fitted in the inclined groove.

このような構成を有する点検口の外枠固定装置では、外枠を構成する枠材の内枠支承部内にコーナージョイントの基板が嵌合し、この基板の連通孔に内装配備された突き刺し体が連通孔から起立するスライダーとすべり対偶を構成することとしたから、外枠に対し上方から内枠（内蓋）を嵌め入れるとスライダーが下降し、突き刺し体の先端が床開口縁面に打ち込まれ、外枠が床材に強固に固定される。   In the outer frame fixing device of the inspection port having such a configuration, the corner joint substrate is fitted into the inner frame support portion of the frame material that constitutes the outer frame, and the piercing body that is internally arranged in the communication hole of the substrate is provided. Since the sliding pair is configured with the slider standing up from the communication hole, when the inner frame (inner lid) is inserted into the outer frame from above, the slider descends and the tip of the piercing body is driven into the edge of the floor opening. The outer frame is firmly fixed to the flooring.

外枠の固定に際しては、単に内枠（内蓋）を外枠に嵌め入れ、押し込むだけであるから、外枠固定作業がワンタッチで熟練を必要とせず、簡単かつ正確に実行できる。しかも、突き刺し体は立上り壁の下方に位置する内枠支承部から床材に対し打ち込むため、外枠（立上り壁）と床材端面との接合隙間が適正に保持し得、従来の受け桟が不要となる。   When the outer frame is fixed, the inner frame (inner lid) is simply fitted into the outer frame and pushed in, so that the outer frame fixing operation can be performed easily and accurately with one touch without requiring skill. In addition, since the piercing body is driven into the floor material from the inner frame support part located below the rising wall, the joint gap between the outer frame (rising wall) and the floor material end surface can be properly maintained, and the conventional receiving bar It becomes unnecessary.

更に、昇降動するスライダーと水平動する突き刺し体とがすべり対偶を構成する。従って、下向きスライダーに加わる力は突き刺し体に加わる強い抵抗力に打ち勝ち得、外枠は一層強力に固定できる。   Furthermore, the slider that moves up and down and the piercing body that moves horizontally constitute a sliding pair. Therefore, the force applied to the downward slider can overcome the strong resistance applied to the piercing body, and the outer frame can be fixed more strongly.

また、隣合う枠材を直角状に連結するコーナージョイントを、外枠の内枠支承部内へ嵌挿配備することとしたら、９０度開いた継手両片のみの連結より外枠コーナー部が一層強固となり、突き刺し体の強力な固定を実現できる等、発明目的を達成した優れた効果を有する。   Further, if a corner joint that connects adjacent frame members at right angles is fitted and arranged in the inner frame support portion of the outer frame, the outer frame corner portion is stronger than the connection of only the two joint pieces opened 90 degrees. Thus, it has an excellent effect of achieving the object of the invention, such as realizing a strong fixation of the piercing body.

以下、図面に基づき本発明に係る点検口の外枠固定装置の具体的な実施の形態を説明する。
図１は、床下点検口の外枠固定装置を示す部分斜視図である。
床下点検口の外枠固定装置は、外枠Ａとコーナージョイント２と平板状のスライダー３と突き刺し体４とで構成される。 Hereinafter, specific embodiments of an inspection frame outer frame fixing device according to the present invention will be described with reference to the drawings.
FIG. 1 is a partial perspective view showing an outer frame fixing device for an underfloor inspection port.
The outer frame fixing device for the underfloor inspection port includes an outer frame A, a corner joint 2, a flat slider 3, and a piercing body 4.

外枠Ａは、４本の枠材１をコーナージョイント２で方形の枠体に形成される。枠材１は、両端部が４５度角に切断され、立上り壁１１と立上り壁１１の上端を外向きに折り曲げたひさし部１３と、立上り壁１１の下端に連続するハコ状の内枠支承部１４とからなる。   The outer frame A is formed of four frame members 1 in a rectangular frame body with a corner joint 2. The frame member 1 has both end portions cut at 45 degree angles, an eaves portion 13 in which the upper end of the rising wall 11, the upper end of the rising wall 11 is bent outward, and a box-shaped inner frame support portion continuous to the lower end of the rising wall 11. 14 and.

図１及び図２で示すように、立上り壁１１の外面には、ひさし部１３の裏面と、ハコ状の内枠支承部１４の外側の外壁１４ｃとの間に、後述するコーナージョイント２の継手片２４が嵌入する溝部１２が形成してある。   As shown in FIGS. 1 and 2, a joint of a corner joint 2 described later is provided on the outer surface of the rising wall 11 between the back surface of the eaves portion 13 and the outer wall 14 c outside the box-shaped inner frame support portion 14. A groove 12 into which the piece 24 is fitted is formed.

また、立上り壁１１の下方の内枠支承部１４は、両端部及び底面の一部を開口したハコ状で、内方向へ突出する上面を内枠５の底面を支承する水平状受け面１４ａとし、内部が空間の下開口の挿入用枠部１４ｂに後述するコーナージョイント２の基板部２１、２２を嵌着する。   Further, the inner frame support portion 14 below the rising wall 11 has a box shape with both ends and a part of the bottom surface opened, and the upper surface protruding inward is a horizontal receiving surface 14a that supports the bottom surface of the inner frame 5. The board portions 21 and 22 of the corner joint 2 to be described later are fitted into the insertion frame portion 14b whose inside is the lower opening of the space.

外枠１を構成する一方の枠材１Ａは、図１及び図２で示すように、上記ハコ状の内枠支承部１４の水平状受け面１４ａの面内であってコーナーよりの位置に後述するスライダー３を嵌挿する矩形状の窓孔１５が開設してある。   As shown in FIGS. 1 and 2, one frame member 1A constituting the outer frame 1 is within the plane of the horizontal receiving surface 14a of the box-shaped inner frame support portion 14 and is positioned later than the corner. A rectangular window hole 15 into which the slider 3 is inserted is opened.

更に、他方の枠材１Ｂは図１及び図４で示すように、ハコ状の内枠支承部１４の挿入用枠部１４ｂの外側の外壁（溝部１２の下部）１４ｃに後述する突き刺し体４の尖鋭部４２が出没する通行口１６を開設している。   Further, as shown in FIGS. 1 and 4, the other frame member 1 </ b> B is formed on the outer wall (the lower portion of the groove portion 12) 14 c of the insertion frame portion 14 b of the box-shaped inner frame support portion 14. The entrance 16 where the sharp part 42 appears and disappears is opened.

コーナージョイント２は、図２で示すように矩形で平板状の基板部２１と、この基板部２１の他側辺（内側辺）２１Ｂのコーナーから連続して４５度角で内向きに突出する突出基板部２２と、基板部２１の一側辺２１Ａのコーナーに立設するコーナー柱部２３とからなる。   As shown in FIG. 2, the corner joint 2 protrudes inward at a 45 ° angle continuously from the corner of the rectangular and flat substrate portion 21 and the other side (inner side) 21 </ b> B of the substrate portion 21. The substrate portion 22 and a corner column portion 23 standing at the corner of one side 21 </ b> A of the substrate portion 21.

コーナー柱部２３の上端には、外向きのヒサシ部２３ａを外方へ突出し、柱部２３の左右両側には直角状に開いた継手片２４を突設している。継手の一片２４ａは、基板部２１の一側辺２１Ａ上に隙間を開いて突設され、継手の他片２４ｂは基板部２１の端辺２１Ｃ上に隙間を開いて突設している。   At the upper end of the corner column portion 23, an outward eaves portion 23 a protrudes outward, and on the left and right sides of the column portion 23, joint pieces 24 that are opened at right angles project. One piece 24 a of the joint protrudes with a gap on one side 21 </ b> A of the board portion 21, and the other piece 24 b of the joint protrudes with a gap on the end side 21 </ b> C of the board portion 21.

この基板部２１の面内には、上記矩形状の窓孔１５に連通し、且つ通行口１６に連通する連通孔２１ａと、連通孔２１ａの基端側に丸孔２１ｂが開設され、先端側に貫通スリット２１ｅ及びスリット開口２１ｆが開設してある。   In the surface of the substrate portion 21, a communication hole 21 a that communicates with the rectangular window hole 15 and communicates with the passage port 16, and a round hole 21 b is opened on the proximal end side of the communication hole 21 a, and the tip side A through slit 21e and a slit opening 21f are provided.

更に、連通孔２１ａには、図５で示すように孔長さ中央に支え底部２１ｃを設け、先端部側には押え天板部２１ｄを設けて後述する突き刺し体４を安定保持している。   Further, as shown in FIG. 5, the communication hole 21a is provided with a support bottom portion 21c at the center of the hole length, and a pressing top plate portion 21d is provided at the tip side to stably hold the piercing body 4 described later.

前記スライダー３は、図３及び図４で示すように、平板状のスライダー本体３１と、本体３１上端の天板部３２と、本体３１の一端側のガイド円柱部３３と、本体３１の他端側上部の垂直面３４ａに連続し、下方へ内向きに傾斜する傾斜面３４ｂおよび傾斜面３４ｂと隙間を開いた溝壁３４ｃとで構成する傾斜溝３４とから成る。   As shown in FIGS. 3 and 4, the slider 3 includes a flat slider body 31, a top plate part 32 at the upper end of the body 31, a guide column part 33 at one end of the body 31, and the other end of the body 31. It consists of an inclined surface 34b which is continuous with the vertical surface 34a on the upper side and is inclined inward downward, and an inclined groove 34 which is composed of an inclined surface 34b and a groove wall 34c having a gap.

平板状のスライダー３は、ガイド円柱部３３の下部が丸孔２１ｂに比較的緊密に嵌合し、スライダー本体３１の下部が連通孔２１ａに嵌入し、上部（天板部３２）が水平状受け面１４ａより上方へ立ち上がった状態を保持している。   In the flat slider 3, the lower part of the guide column part 33 is fitted relatively tightly into the round hole 21 b, the lower part of the slider body 31 is fitted into the communication hole 21 a, and the upper part (top plate part 32) is horizontally received. The state of rising upward from the surface 14a is maintained.

上記突き刺し体４は、図２及び図３で示すように、へら状本体４１と、へら状本体４１先端の尖鋭部４２と、へら状本体４１基端に設けた傾斜板４３と、傾斜板４３の下端に突設した垂直板部４４と、へら状本体４１の下辺側に連続して直角状に突設し、上記支え底部２１ｃに接面する滑り底部４５とから成る。   As shown in FIGS. 2 and 3, the piercing body 4 includes a spatula-shaped main body 41, a sharp portion 42 at the tip of the spatula-shaped main body 41, an inclined plate 43 provided at the base end of the spatula-shaped main body 41, and an inclined plate 43. A vertical plate 44 projecting from the lower end of the spatula and a sliding bottom 45 projecting at a right angle continuously from the lower side of the spatula body 41 and contacting the support bottom 21c.

この突き刺し体４は、連通孔２１ａ内において、基端の傾斜板４３が常態において上記平板状のスライダー３の傾斜溝３４内の下方に係合すると共に、尖鋭部４２がスリット開口２１ｆを介して通行口１６の手前に対応位置している。   In this piercing body 4, in the communication hole 21a, the inclined plate 43 at the base end is engaged with the lower side in the inclined groove 34 of the flat slider 3 in the normal state, and the sharpened portion 42 is formed through the slit opening 21f. A corresponding position is located in front of the passage 16.

このような構成を有する点検口の外枠固定装置では、図６で示すように、常態において、平板状のスライダー３は一方の枠材１Ａの窓孔１５及び連通孔２１ａに対し下部のみが嵌入し、上部（天板部３２側）は水平状受け面１４ａより起立している。   In the inspection frame outer frame fixing device having such a configuration, as shown in FIG. 6, in the normal state, the flat slider 3 is fitted only in the lower portion of the window hole 15 and the communication hole 21a of one frame member 1A. The upper part (top plate part 32 side) stands up from the horizontal receiving surface 14a.

この状態において、突き刺し体４の尖鋭部４２は連通孔２１ａ内で、枠材１Ｂの通行口１６に対応位置すると共に、傾斜板４３は傾斜溝３４の最も下方に位置している。   In this state, the sharpened portion 42 of the stab body 4 is located in the communication hole 21a corresponding to the passage 16 of the frame member 1B, and the inclined plate 43 is located at the lowest position of the inclined groove 34.

いま、通常行われるとおり、内枠（内蓋）５を外枠１内に嵌め入れると、内枠５の底面５１が立ち上がるスライダー３の天板３２上面に接面する。
この状態で、内枠 5を更に押し下げると、図７で示すようにスライダー３が押し下げられ、同時に突き刺し体４が対向する床面（床下地材６ｂ）６側へ水平移動する。突き刺し体４が移動することで、突き刺し体４先端の尖鋭部４２が隣り合う他方の枠材１Ｂの通行口１６から突出して床下地材６ｂに直交状に突き刺さる。 As is normally done, when the inner frame (inner lid) 5 is fitted into the outer frame 1, the bottom surface 51 of the inner frame 5 comes into contact with the top surface of the top plate 32 of the slider 3 that rises.
When the inner frame 5 is further pushed down in this state, the slider 3 is pushed down as shown in FIG. 7, and at the same time, the piercing body 4 moves horizontally to the opposite floor surface (floor base material 6b) 6 side. As the piercing body 4 moves, the sharpened portion 42 at the tip of the piercing body 4 protrudes from the passage 16 of the other adjacent frame member 1B and pierces the floor base material 6b perpendicularly.

図８で示すように、内枠５をさらに外枠Ａ内に押し込み、内枠５の底面５１が枠材１の内枠支承部１４の水平状受け面１４ａに接面するとき、スライダー３の天板３２が水平状受け面１４ａに面一に揃う。   As shown in FIG. 8, when the inner frame 5 is further pushed into the outer frame A and the bottom surface 51 of the inner frame 5 comes into contact with the horizontal receiving surface 14 a of the inner frame support portion 14 of the frame member 1, The top plate 32 is flush with the horizontal receiving surface 14a.

このとき、突き刺し体３は床下地材６ｂ方向へ最大に突出し、尖鋭部４２が床下地材６ｂに対し深く侵入する。突き刺し体４の傾斜板４３とスライダー３の傾斜溝３４はすべり対偶を構成し、下向きのスライダー３に加わる力は突き刺し体４に加わる大きな抵抗力に打ち勝ち、外枠Ａが床面６に強固に固定される。   At this time, the piercing body 3 protrudes to the maximum in the direction of the floor base material 6b, and the sharp part 42 penetrates deeply into the floor base material 6b. The inclined plate 43 of the piercing body 4 and the inclined groove 34 of the slider 3 constitute a sliding pair, and the force applied to the downward slider 3 overcomes the large resistance force applied to the piercing body 4, and the outer frame A is firmly attached to the floor surface 6. Fixed.

更に、図８で示すように、この完全な突き刺し状態において、突き刺し体４の傾斜板４３は傾斜溝３４の最も上方へ移動し、垂直板部４４がスライダー３の垂直面３４ａに接面し、突き刺し体４の後退移動を阻止する。   Further, as shown in FIG. 8, in this complete stab state, the inclined plate 43 of the piercing body 4 moves to the uppermost side of the inclined groove 34, and the vertical plate portion 44 contacts the vertical surface 34 a of the slider 3, The backward movement of the piercing body 4 is prevented.

実施の形態の点検口の外枠固定装置を示す斜視図である。It is a perspective view which shows the outer-frame fixing device of the inspection port of embodiment. 外枠固定装置を示す分解斜視図である。It is a disassembled perspective view which shows an outer frame fixing device. 平板状スライダーと突き刺し体の係合関係を示す斜視図である。It is a perspective view which shows the engagement relationship of a flat slider and a stab body. 一方の枠材に隣り合う他方の枠材を接合する状態を示す分離斜視図である。It is an isolation | separation perspective view which shows the state which joins the other frame material adjacent to one frame material. コーナージョイントの裏面を示す斜視図である。It is a perspective view which shows the back surface of a corner joint. 外枠に対し内枠を嵌め入れた状態のスライダーと突き刺し体の関係を示す説明図である。It is explanatory drawing which shows the relationship between the slider of the state which inserted the inner frame with respect to the outer frame, and a stab body. 外枠に対し内枠を押し込んだ状態のスライダーと突き刺し体の関係を示す説明図である。It is explanatory drawing which shows the relationship between the slider of the state which pushed the inner frame with respect to the outer frame, and a stab body. 外枠に対し内枠を完全に嵌合した状態のスライダーと突き刺し体の関係を示す説明図である。It is explanatory drawing which shows the relationship between the slider of the state which fitted the inner frame completely with respect to the outer frame, and a stab body. 従来の点検口の外枠固定装置を示す断面図である。It is sectional drawing which shows the outer-frame fixing device of the conventional inspection port.

Ａ 外枠
１ 枠材
１Ａ 一方の枠材
１Ｂ 隣り合う他方の枠材
２ コーナージョイント
３ スライダー
４ 突き刺し体
５ 内枠（内蓋）
１１ 立上り壁
１２ 溝部
１３ ひさし部
１４ 内枠支承部
１５ 一方の枠材の窓孔
１６ 他方の枠材の通行口
２１ 基板部
２２ 突出基板部
２３ コーナー柱部
２４ 継手片
３１ スライダー本体
３２ 天板
３３ ガイド円柱部
３４ 傾斜溝
４１ へら状本体
４２ 尖鋭部
４３ 傾斜板
４４ 垂直板部
５１ 内枠底面
１４ａ 水平状受け面
１４ｂ 挿入用枠部
２１ａ 連通孔
２１ｂ 丸孔
２１ｆ スリット開口
３４ａ 垂直面
３４ｂ 傾斜面 A outer frame
DESCRIPTION OF SYMBOLS 1 Frame material 1A One frame material 1B The other adjacent frame material
2 corner joint 3 slider 4 piercing body 5 inner frame (inner lid)
11 Rising wall
12 groove part 13 eaves part 14 inner frame support part
15 Window hole of one frame material 16 Passage of the other frame material
21 Board part 22 Projection board part
23 corner pillar part 24 joint piece 31 slider main body 32 top plate 33 guide column part 34 inclined groove 41 spatula-shaped main body 42 sharp part 43 inclined plate 44 vertical plate part 51 inner frame bottom face 14a horizontal receiving surface 14b insertion frame part 21a communication Hole 21b Round hole 21f Slit opening 34a Vertical surface 34b Inclined surface

Claims (4)

一方の枠材の内枠支承部の水平状支承面に窓孔を設けると共に、隣り合う他方の枠材の内枠支承部の外壁に通行口を開設した外枠と、上記一方の枠材の内枠支承部の挿入用枠部に嵌入する基板部の面内に上記窓孔と通行口とに連通する連通孔を設けると共に、他方の枠材の内枠支承部の挿入用枠部に嵌入する突出基板部を設けたコーナージョイントと、下部が連通孔に嵌入し上部が窓孔から上方へ立ち上がるスライダー本体に傾斜溝を設けたスライダーと、連通孔に配備され先端が通行口に対応し基端の傾斜板が傾斜溝に嵌合する突き刺し体とからなることを特徴とする点検口の外枠固定装置。   A window hole is provided in the horizontal support surface of the inner frame support portion of one frame member, and an outer frame having a passage opening in the outer wall of the inner frame support portion of the other adjacent frame member, and the one frame member A communication hole that communicates with the window hole and the passage opening is provided in the surface of the board portion that is inserted into the insertion frame portion of the inner frame support portion, and is inserted into the insertion frame portion of the inner frame support portion of the other frame material. A corner joint with a protruding substrate part, a slider with an inclined groove in the slider body, with the lower part fitted into the communication hole and the upper part rising upward from the window hole, and the tip corresponding to the passage opening. An outer frame fixing device for an inspection port, characterized in that the inclined plate at the end includes a piercing body fitted into the inclined groove. 前記スライダーの一端側にガイド円柱部を設け、前記連通孔の一端側に丸孔を設け、ガイド円柱部が丸孔に嵌合することで、スライダーの上部が窓孔から上方へ立ち上がる状態を保持するようにしたことを特徴とする請求項１記載の点検口の外枠固定装置。   A guide cylindrical part is provided on one end of the slider, a round hole is provided on one end of the communication hole, and the guide cylindrical part is fitted into the circular hole, so that the upper part of the slider is kept rising from the window hole. The outer frame fixing device for an inspection port according to claim 1, wherein: 前記コーナージョイントの基板部にコーナー柱部を立設し、コーナー柱部の両側にそれぞれ対応する枠材の溝部に嵌着する継手片を配備したことを特徴とする請求項１記載の点検口の外枠固定装置。   2. The inspection port according to claim 1, wherein a corner column portion is erected on the substrate portion of the corner joint, and joint pieces are provided on both sides of the corner column portion to be fitted in the corresponding groove portions of the frame material. Outer frame fixing device. 上記スライダーの傾斜溝の上方に垂直面を設け、上記突き刺し体の傾斜板の下部に垂直板部を突設し、スライダーが最も下降した際に垂直板部が垂直面に接面して突き刺し体の後退移動を阻止するようにしたことを特徴とする請求項１乃至３のいずれか１項に記載の点検口の外枠固定装置。


A vertical surface is provided above the inclined groove of the slider, a vertical plate portion is protruded below the inclined plate of the piercing body, and the vertical plate portion comes into contact with the vertical surface when the slider is lowered to the piercing body. The outer frame fixing device for an inspection port according to any one of claims 1 to 3, wherein the backward movement of the inspection port is prevented.


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