JP3150881U - Airtight structure under the door - Google Patents

Airtight structure under the door Download PDF

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JP3150881U
JP3150881U JP2009001562U JP2009001562U JP3150881U JP 3150881 U JP3150881 U JP 3150881U JP 2009001562 U JP2009001562 U JP 2009001562U JP 2009001562 U JP2009001562 U JP 2009001562U JP 3150881 U JP3150881 U JP 3150881U
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sealing material
door
substrate
airtight structure
structure according
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久 伊弉末
久 伊弉末
俊 夫 伊弉末
俊 夫 伊弉末
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ピンチブロック株式会社
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Abstract

【課題】扉の開閉動時に床面との摩擦抵抗等による振動の発生がなく、振動に伴う騒音を発することをなくすことができる扉下部気密構造を提供する。【解決手段】扉の下部外側面にその幅方向に延設固定される基板２１と、この基板の外側面に係着して合体される化粧カバー２２と、弾性資材により形成され下端に床面１２に接する接地部を有するシール材２３とを備え、前記基板はその下部縁にそって下面が開放された内部空間２４を有するシール材保持部２５を設け、このシール材保持部に前記シール材の上部に形成された大径部を嵌合支持し、前記化粧カバー２２の係着により前記シール材保持部の側面が隠蔽されるようにしたことにある。【選択図】図１The present invention provides a door lower airtight structure that does not generate vibration due to frictional resistance with a floor surface when the door is opened and closed, and that can eliminate noise caused by vibration. A substrate 21 extending and fixed to the lower outer surface of the door in the width direction, a decorative cover 22 engaged with and combined with the outer surface of the substrate, and a floor surface at the lower end formed of an elastic material. And a sealing material 23 having a grounding portion in contact with the substrate 12, and the substrate is provided with a sealing material holding portion 25 having an inner space 24 whose lower surface is opened along a lower edge thereof. The large-diameter portion formed on the upper portion is fitted and supported, and the side surface of the sealing material holding portion is concealed by the engagement of the decorative cover 22. [Selection] Figure 1

Description

本考案は、扉の下部の気密性を維持するための扉下部気密構造に関する。   The present invention relates to a door lower part airtight structure for maintaining the airtightness of the lower part of the door.

オフィス等において間仕切り等で仕切られた部屋をはじめ、各所に設けられる部屋の出入口は扉によって開閉され、出入りができるようになされている。   The entrances and exits of rooms provided in various places, including rooms partitioned by partitions in offices, etc. are opened and closed by doors so that they can enter and exit.

上記の扉は、部屋の構造等に応じて図８に示す回転式の扉１Ａ、または図９に示す引戸式の扉１Ｂのいずれかが一般に採用されている。   As the above door, either a rotary door 1A shown in FIG. 8 or a sliding door 1B shown in FIG. 9 is generally adopted depending on the structure of the room.

回転式の扉１Ａは、出入口の縦枠２にヒンジ３，３により枢支されて矢印方向に回転させることにより開閉され、引戸式の吊戸の扉１Ｂは、その上端が出入口の上框４に敷設されたレール（図示せず）に車輪付きハンガーを係合して懸吊支持され、矢印方向にスライドさせて出入口を開閉できるようになされたものが多く採用されている。なお、引戸式戸としては、吊戸に限らず通常の引戸であっても同様にあてはまる。   The rotary door 1A is pivotally supported by hinges 3 and 3 on the vertical frame 2 of the doorway and rotated in the direction of the arrow, and the door 1B of the sliding door type sliding door has an upper end at the upper end 4 of the doorway. Many rails (not shown) laid on the door are suspended and supported by engaging hangers with wheels, and can be opened and closed by sliding in the direction of the arrow. In addition, as a sliding door type door, it applies not only to a suspension door but to a normal sliding door similarly.

しかして上記いずれの形式の扉１Ａ，１Ｂにおいても、扉１Ａ，１Ｂの下端１ａ，１ａと床面との間に隙間が存在し、その結果気密性が損なわれて塵埃の侵入や冷・暖房効果の減退など種々の問題をもたらすものであった。   Thus, in any type of doors 1A and 1B, there is a gap between the lower ends 1a and 1a of the doors 1A and 1B and the floor surface. As a result, airtightness is impaired, and dust intrusion or cooling / heating is performed. It caused various problems such as diminished effect.

そこで従来から非特許文献１（図１０参照）にみられるように、回転式扉１Ａの場合、その下部一側面に固定用支持部５を固設し、この固定用支持部５の上下部長手方向に突設された突条６，６に隙間遮蔽具７をその上下部に形成された溝８，８を嵌合させることにより支持させ、この隙間遮蔽具７の下方部に形成された固定部９内に下面が開口された可動部材１０を上下位置調整可能に嵌合し、この可動部材１０内にゴム等により形成されたシール材１１の上端の大径部１１ａを嵌合保持する構成とされている。   Therefore, as is conventionally seen in Non-Patent Document 1 (see FIG. 10), in the case of the rotary door 1A, a fixing support portion 5 is fixed on one side surface of the lower portion, and the upper and lower lengths of the fixing support portion 5 are fixed. The gap shield 7 is supported by fitting the grooves 8, 8 formed on the upper and lower parts of the protrusions 6, 6 projecting in the direction, and fixed at the lower part of the gap shield 7. The movable member 10 whose bottom surface is opened in the portion 9 is fitted so that the vertical position can be adjusted, and the large-diameter portion 11a at the upper end of the sealing material 11 formed of rubber or the like is fitted and held in the movable member 10. It is said that.

しかるに上記従来の構造では、扉の開閉動作時にシール材１１が床面１２に接触して移動することによる摩擦抵抗等によって振動が発生し、その振動は隙間遮蔽具７に伝播する。この隙間遮蔽具７と扉１Ａとは隙間遮蔽具７の溝８，８と扉１Ａと一体的な固定用支持部５の突条６，６とが嵌合して支持されているため上記振動に伴いガタガタする騒音が発生し、不快な音となって好ましくないという問題があった。   However, in the above-described conventional structure, vibration is generated due to frictional resistance or the like due to the seal material 11 moving in contact with the floor surface 12 during the opening / closing operation of the door, and the vibration propagates to the gap shield 7. Since the gap shield 7 and the door 1A are supported by fitting the grooves 8 and 8 of the gap shield 7 and the protrusions 6 and 6 of the fixing support 5 integral with the door 1A, the vibration described above. As a result, a rattling noise is generated, resulting in an unpleasant sound.

上記隙間遮蔽具７に相当する部材を扉に直接固定関係として構成されるものとして特許文献１（図１１参照）に示されるものがある。   There is one shown in Patent Document 1 (see FIG. 11) as a member that corresponds to the gap shield 7 and is configured as a fixed relationship directly to the door.

この文献に記載の技術は吊戸式の扉引戸に対応するもので、扉１Ｂの安定直進走行をガイドするために床面１２に植設された突部１３に嵌合する溝１４の内側面に隙間遮蔽具に相当する部材１５を固定して構成される構造であるため、これをヒンジ３，３による前述の回転式の扉１Ａに適用するには余分な構造を付加しなければならず、複雑な構成となってコストアップに繋がり、実用上好ましくないという問題点がある。なお、図１０と共通する部材にはこれと同一符号を付しておく。
意匠登録第１２４９８３８号公報 実用新案登録願２００８−００３３３６号公報 The technique described in this document corresponds to a sliding door type sliding door, and the inner surface of the groove 14 that fits into the protrusion 13 planted on the floor 12 in order to guide stable straight traveling of the door 1B. In order to apply this to the rotary door 1A using the hinges 3 and 3, an extra structure must be added. However, there is a problem that a complicated configuration leads to an increase in cost and is not practically preferable. In addition, the same code | symbol is attached | subjected to the member which is common in FIG.
Design Registration No. 1249838 Utility Model Registration Application 2008-003336

本考案はこれに鑑み、扉に対し外付けでありながら開閉時に振動音を発生することがなく、安定して扉下端の隙間を閉鎖し、塵埃の侵入や冷・暖房効果の減退を防ぐことを課題とする。   In view of this, the present invention does not generate vibration noise when opening and closing while being externally attached to the door, and stably closes the gap at the lower end of the door to prevent intrusion of dust and reduction of cooling / heating effect. Is an issue.

上記課題を解決する手段として本考案は、扉の下部外側面にその幅方向に延設固定される基板と、この基板の外側面に係着して合体される化粧カバーと、弾性資材により形成され下端に床面に接触する接地部を有するシール材とを備え、前記基板の下部縁にそって下面が開放された内部空間を有するシール材保持部を形成し、このシール材保持部に前記シール材の上部に形成された大径部を嵌合して支持するようにしたことにあり、前記化粧カバーの係着によって前記シール材保持部の側面を隠蔽する構造としたことにある。   As a means for solving the above problems, the present invention is formed by a substrate that extends and is fixed to the lower outer surface of the door in the width direction, a decorative cover that is engaged with the outer surface of the substrate, and an elastic material. And a sealing material having a grounding portion in contact with the floor surface at the lower end, and forming a sealing material holding portion having an inner space whose lower surface is opened along the lower edge of the substrate. The large diameter part formed on the upper part of the sealing material is fitted and supported, and the side surface of the sealing material holding part is concealed by the engagement of the decorative cover.

前記基板は扉の下部外側面にビス止めにより固定する構成とすることが取付け位置の設定や変更に容易に対応し得るので好ましく、また基板に穿設するビス挿通孔を上下方向に長い長孔とすることが取付け位置の微調整に対応するうえで好ましい。   The board is preferably fixed to the lower outer surface of the door by screws so that the setting and change of the mounting position can be easily accommodated, and the screw insertion hole drilled in the board is a long hole in the vertical direction. It is preferable to cope with fine adjustment of the mounting position.

前記基板に形成されるシール材保持部は前記シール材の大径部が上下動可能な深さとし、この保持部の下部開口部に前記シール材の大径部が抜け出さないようにする鍔部を形成することが好ましい。   The sealing material holding portion formed on the substrate has a depth that allows the large diameter portion of the sealing material to move up and down, and a flange portion that prevents the large diameter portion of the sealing material from coming out from the lower opening of the holding portion. It is preferable to form.

前記シール材は、天然ゴム、合成ゴム、軟質合成樹脂等から選択された材料を用いることができる。また前記大径部に連設される面部の中間位置を一面側に例えばくの字状に屈曲する屈曲部を形成することがシール材に弾性および屈伸性を一層与えることになるので好ましい。さらに前記面部の下端の接地部は湾曲形状とするほか中空円筒状とすることができる。   As the sealing material, a material selected from natural rubber, synthetic rubber, soft synthetic resin and the like can be used. In addition, it is preferable to form a bent portion that bends, for example, in the shape of a dogleg, at the intermediate position of the surface portion provided continuously with the large-diameter portion, because the seal material is further given elasticity and flexibility. Furthermore, the grounding portion at the lower end of the surface portion can be a curved cylinder or a hollow cylinder.

本考案によれば、扉に固着される基板の下部にシール材保持部を形成し、この保持部にシール材の上部大径部を嵌合して支持するようにし、この基板の外面に化粧カバーを係着することにより外観を整える構成としたので、シール材と床面との接触による抵抗によって生じる振動が基板に伝播しても扉に固着されている基板が共振することがなく、よって化粧カバーに振動が伝わってガタガタする騒音を発生せず、静繍な扉とすることができる。 また基板を扉に直接固定する構造であるから、ヒンジによる回転式の扉、吊戸式引戸の扉の如何に拘らず支障なく適用することができ、特に扉の外側面に直接取付けることができるので特別な付加構造を用いる必要がなく、簡単な構成の下に実施することができ、これにより汎用性を著しく高めることができる。   According to the present invention, the sealing material holding portion is formed at the lower portion of the substrate fixed to the door, and the upper large diameter portion of the sealing material is fitted to and supported by the holding portion, and the outer surface of the substrate is decorated. Since the appearance is adjusted by attaching the cover, the substrate fixed to the door does not resonate even if vibration caused by resistance due to contact between the sealing material and the floor surface propagates to the substrate. It can be made a quiet door without generating a rattling noise transmitted to the decorative cover. In addition, since the board is directly fixed to the door, it can be applied without any problem regardless of whether it is a hinged rotary door or a sliding door door, and can be directly attached to the outer surface of the door. Therefore, it is not necessary to use a special additional structure, and the present invention can be carried out with a simple configuration, and thus versatility can be remarkably enhanced.

さらに扉への基板の取付けのためのビス挿通孔を上下方向に長い長孔とすることにより取付け位置の微調整を容易化することができる。   Further, by making the screw insertion hole for mounting the board to the door a long hole extending in the vertical direction, fine adjustment of the mounting position can be facilitated.

図１は回転式、吊戸式の如何を問わず、扉の下部に本考案による扉下部気密構造２０を装着した一実施形態の断面図を示すもので、この気密構造は、基板２１と化粧カバー２２とシール材２３とで構成され、基板２１および化粧カバー２２はプラスチック、アルミニウム等を素材とする成形品からなり、シール材２３はゴム、合成ゴム、軟質合成樹脂などにより形成される。   FIG. 1 shows a cross-sectional view of an embodiment in which a door lower part airtight structure 20 according to the present invention is attached to a lower part of a door, regardless of whether it is a rotary type or a hanging door type. The cover 21 and the sealing material 23 are configured. The substrate 21 and the decorative cover 22 are formed of a molded product made of plastic, aluminum, or the like. The sealing material 23 is formed of rubber, synthetic rubber, soft synthetic resin, or the like.

前記基板２１は、図１〜図３（Ｂ）に示すように、扉１Ａ，１Ｂの幅方向に延びる横長矩形状を有し、その下部縁にそって下面が開口された内部空間２４を有するシール材保持部２５が一体に形成されており、このシール材保持部２５の下端開口部の両側には鍔部２６，２６が形成されている。   As shown in FIGS. 1 to 3B, the substrate 21 has a horizontally long rectangular shape extending in the width direction of the doors 1A and 1B, and has an internal space 24 whose lower surface is opened along the lower edge thereof. The sealing material holding part 25 is integrally formed, and flanges 26 and 26 are formed on both sides of the lower end opening of the sealing material holding part 25.

また基板２１の上端部と下端部に化粧カバー係着用の突部２７，２８が形成されている。   Further, protrusions 27 and 28 for engaging the decorative cover are formed on the upper end and the lower end of the substrate 21.

この基板２１は扉１Ａまたは１Ｂにビス２９により固定されるようになっている。このビス止め用として穿孔されるビス挿通孔３０は上下方向に長い長孔とされ、止着時に上下方向の取付け位置を微調整可能とされている。この固定手段としてはビス止めに限られる必要はなく、基板２１の材質によっては接着剤による接着によってもよい。   The substrate 21 is fixed to the door 1A or 1B with screws 29. The screw insertion hole 30 drilled for screwing is a long hole in the vertical direction, and the mounting position in the vertical direction can be finely adjusted when fastened. The fixing means is not necessarily limited to screwing, and may be bonded by an adhesive depending on the material of the substrate 21.

前記化粧カバー２２は、図１〜図３（Ａ）に示されるように、前記基板２１に形成されている化粧カバー係着用突部２７，２８に係着される上部係止爪３１および下部係止爪３２を有し、基板２１の外面側から圧嵌めすることにより係止爪３１，３２が前記突部２７，２８に係着して図１，図２にみられるように基板２１に化粧カバー２２が一体化され、基板２１の外面側にあるシール材保持部２５およびビス２９の頭部２９ａが隠蔽されて外観が整えられる。   As shown in FIGS. 1 to 3A, the decorative cover 22 includes an upper engaging claw 31 and a lower engaging member that are engaged with decorative covering engaging protrusions 27 and 28 formed on the substrate 21. The latching claws 31 and 32 are engaged with the protrusions 27 and 28 by press-fitting from the outer surface side of the substrate 21 and have a makeup on the substrate 21 as shown in FIGS. The cover 22 is integrated, the sealing material holding part 25 on the outer surface side of the substrate 21 and the head 29a of the screw 29 are concealed to adjust the appearance.

前記シール材２３は、図４および図５（Ａ）〜（Ｄ）に例示するように、上端長手方向に前記基板２１のシール材保持部２５の内部空間２４に嵌合しかつその鍔部２６，２６に係止されて抜出し不可の太さを有する大径部２３ａが形成されており、この大径部２３ａと一体に下端が床面１２に接する接地部３３ａとされた面部３３が連設されている。   As illustrated in FIGS. 4 and 5A to 5D, the sealing material 23 is fitted into the inner space 24 of the sealing material holding portion 25 of the substrate 21 in the longitudinal direction of the upper end and the flange portion 26 thereof. , 26 is formed, and a large-diameter portion 23a having a thickness that cannot be pulled out is formed, and a surface portion 33 that is integrally formed with the large-diameter portion 23a and having a lower end that is in contact with the floor 12 is provided continuously. Has been.

上記面部３３および接地部３３ａの構成例としては、図５（Ａ）のように面部３３が平板状とされたフラットタイプ、図５（Ｂ）のように前記シール材保持部２５の下部に露出する部分を一側方へ例えば「く」字状に屈曲させて屈曲部３３ｂを形成し、挟みやすくしたもの、図５（Ｃ）のように面部３３の下端を一方側へ湾曲させて接地部３３ａとしたもの、さらに図５（Ｄ）のように接地部３３ａを中空パイプ状としたものなどがあるが、いずれもシール材２３の弾力によりその接地部３３ａが常に安定してその全域が床面１２に接するようになっている。   As a configuration example of the surface portion 33 and the grounding portion 33a, a flat type in which the surface portion 33 is formed into a flat plate shape as shown in FIG. 5A, and exposed to the lower portion of the sealing material holding portion 25 as shown in FIG. For example, a bent portion 33b is formed by bending the portion to be bent to one side, for example, in a "<" shape, and the lower end of the surface portion 33 is bent to one side as shown in FIG. 5D, and the grounding portion 33a has a hollow pipe shape as shown in FIG. 5D. In any case, the grounding portion 33a is always stabilized by the elasticity of the sealing material 23, and the entire area is floored. It comes in contact with the surface 12.

図６は本考案による扉下部気密構造を回転式の扉１Ａに適用した場合を示し、図７は同じく吊戸式の扉１Ｂに適用した場合を示している。   FIG. 6 shows a case where the door lower hermetic structure according to the present invention is applied to the rotary door 1A, and FIG. 7 shows a case where the door lower airtight structure is also applied to the suspension door 1B.

吊戸式の場合は、扉１Ｂの下端に凹溝１ｂを有し、この凹溝１ｂが床面１２に植立するガイド１３に嵌合して振れ止めされて直進動可能とされている。この吊戸式の扉においても本考案の気密構造の基板２１を何ら特別な構造を付加することなく取付けることができる。   In the case of the hanging door type, the door 1B has a concave groove 1b at the lower end, and the concave groove 1b is fitted to a guide 13 planted on the floor surface 12 so as to be prevented from swinging and can be moved straight. Even in this hanging door type door, the airtight substrate 21 of the present invention can be mounted without adding any special structure.

なお、図中３４は化粧カバー２２の補強用リブを示す。   In the figure, reference numeral 34 denotes a reinforcing rib of the decorative cover 22.

前記基板２１に設けられるシール材保持部２５は、基板２１とは別に形成し、これを基板２１に固着して構成するようにしてもよい。   The sealing material holding part 25 provided on the substrate 21 may be formed separately from the substrate 21 and fixed to the substrate 21.

したがって回転式、吊戸式引戸の扉１Ａ，１Ｂを問わずこれら扉を開閉動作させると、シール材２３の下端の接地部３３ａが床面１２に密接した状態で移動し、床面１２に若干の凹凸が存在してもシール材２３の自己が有する弾性により吸収して支障なく移動する。   Therefore, when the doors 1A and 1B of the rotary type and the sliding door type are opened and closed, when the doors are opened and closed, the grounding portion 33a at the lower end of the sealing material 23 moves in a state of being in close contact with the floor surface 12, and slightly moves to the floor surface 12. Even if there are irregularities, the sealing material 23 absorbs itself by its elasticity and moves without any trouble.

また扉の取付け時に扉下端と床面１２との間の間隙の如何に対してはシール材２３の大径部２３ａがシール材保持部２５の内部空間２４内で上下動することにより自ずと自己調整機能が働いて常にその接地部３３ａが床面１２に密接して気密状態を保ち、本来の気密機能を全うする。   Further, when the door is installed, the large-diameter portion 23a of the sealing material 23 moves up and down in the internal space 24 of the sealing material holding portion 25 to self-adjust itself for the gap between the lower end of the door and the floor surface 12. The function works and the grounding portion 33a always keeps an airtight state in close contact with the floor surface 12, and fulfills the original airtight function.

そして扉１Ａ，１Ｂの開閉動作時にシール材２３が床面１２との間で生じる摩擦抵抗により振動を発生しても、シール材２３を支持している基板２１は扉に固着されているので振動することがなく、不快な振動音を発することはない。   Even if the sealing material 23 generates vibration due to the frictional resistance generated between the door 1A and 1B and the floor surface 12 during the opening / closing operation of the doors 1A and 1B, the substrate 21 supporting the sealing material 23 is fixed to the door and thus vibrates. And no unpleasant vibration sound is emitted.

本考案による扉下部気密構造の一実施形態を示す断面図。Sectional drawing which shows one Embodiment of the door lower part airtight structure by this invention. 同、背面側から見た斜視図。The perspective view seen from the back side same as the above. （Ａ）は図１、図２における化粧カバーの端面図、（Ｂ）は同基板の端面図。(A) is an end view of the decorative cover in FIGS. 1 and 2, and (B) is an end view of the substrate. 図１におけるシール部材の一部の斜視図。The perspective view of a part of seal member in FIG. （Ａ）〜（Ｄ）はシール材の形態の例示図。(A)-(D) are the illustrations of the form of a sealing material. 本考案による扉下部気密構造を回転式の扉に適用した状態を示す断面図。Sectional drawing which shows the state which applied the door lower part airtight structure by this invention to the rotary door. 同、吊戸式の引戸に適用した状態を示す断面図。Sectional drawing which shows the state applied to the same sliding door type sliding door. 本考案の適用対象の一つである回転式扉の例示図。The illustration figure of the rotary door which is one of the application objects of this invention. 同、吊戸式引戸の例示図。The illustration of a sliding door type sliding door. 従来の回転式扉用の扉下部気密構造を示す断面図。Sectional drawing which shows the door lower part airtight structure for the conventional rotary doors. 同、吊戸式扉用の扉下部気密構造を示す断面図。Sectional drawing which shows the door lower part airtight structure for suspension door type | mold doors.

１Ａ 回転式の扉
１Ｂ 吊下げ式（引戸）の扉
２ 出入り口の縦枠
４ 同、上框
２０ 扉下部気密構造
２１ 基板
２２ 化粧カバー
２３ シール材
２３ａ 大径部
２４ 内部空間
２５ シール材保持部
２６ 鍔部
２７，２８ 突部
２９ ビス
３０ ビス挿通孔
３１ 上部係止爪
３２ 下部係止爪
３３ 面部
３３ａ 接地部 DESCRIPTION OF SYMBOLS 1A Rotating door 1B Hanging type (sliding door) door 2 Vertical frame of entrance / exit 4 Same as above, Upper lid 20 Door lower airtight structure 21 Substrate 22 Cosmetic cover 23 Seal material 23a Large diameter portion 24 Internal space 25 Seal material holding portion 26 Gutter part 27, 28 Projection part 29 Screw 30 Screw insertion hole 31 Upper locking claw 32 Lower locking claw 33 Surface part 33a Grounding part

Claims (10)

扉の下部外側面にその幅方向に延設固定される基板と、この基板の外側面に係着して合体される化粧カバーと、弾性資材により形成され下端に床面に接触する接地部を有するシール材とを備え、前記基板はその下部縁にそって下面が開放された内部空間を有するシール材保持部が設けられ、このシール材保持部に前記シール材の上部に形成された大径部が嵌合支持されており、前記化粧カバーの係着により前記シール材保持部の側面が隠蔽されるように構成されていることを特徴とする扉下部気密構造。   A base plate extending and fixed to the lower outer surface of the door in the width direction, a decorative cover that is engaged with the outer surface of the substrate, and a grounding portion that is formed of an elastic material and contacts the floor surface. The substrate is provided with a sealing material holding portion having an inner space whose lower surface is opened along a lower edge of the substrate, and the sealing material holding portion has a large diameter formed on an upper portion of the sealing material. The door lower part is hermetically sealed, and is configured such that a side surface of the sealant holding part is concealed by engagement of the decorative cover. 前記基板は扉の外側面にビスにより固定するように構成されている請求項１記載の扉下部気密構造。   The door lower airtight structure according to claim 1, wherein the substrate is configured to be fixed to an outer surface of the door with a screw. 前記基板のビス止め用のビス挿通孔は縦方向に長い長孔とされ、ビスによる止着位置を微調整可能とされている請求項２記載の扉下部気密構造。   The door lower airtight structure according to claim 2, wherein a screw insertion hole for screwing the board is a long hole in the vertical direction, and a fastening position by the screw can be finely adjusted. 前記基板に形成されるシール材保持部は、前記シール材の大径部が上下動可能な深さとされ、この保持部の下部開口部には前記シール材の大径部を抜出不可とする鍔部が形成されている請求項１〜３のいずれか１項記載の扉下部気密構造。   The sealing material holding portion formed on the substrate has a depth that allows the large diameter portion of the sealing material to move up and down, and the large diameter portion of the sealing material cannot be extracted from the lower opening of the holding portion. The door lower part airtight structure of any one of Claims 1-3 in which the collar part is formed. 前記シール材保持部は基板と一体に形成されている請求項１〜４のいずれか１項記載の扉下部気密構造。   The door lower part airtight structure according to any one of claims 1 to 4, wherein the sealing material holding part is formed integrally with the substrate. 前記シール材保持部は別体として形成し、これを基板に取付けて構成されている請求項１〜４のいずれか１項記載の扉下部気密構造。   The door lower part airtight structure according to any one of claims 1 to 4, wherein the sealing material holding part is formed as a separate body and is attached to a substrate. 前記シール材は、天然ゴム、合成ゴム、軟質合成樹脂等により形成されている請求項１〜６のいずれか１項記載の扉下部気密構造。   The door lower airtight structure according to any one of claims 1 to 6, wherein the sealing material is formed of natural rubber, synthetic rubber, soft synthetic resin, or the like. 前記シール材は、前記大径部に連設される面部の下端が床面に密接する接地部とされている請求項７記載の扉下部気密構造。   The door lower airtight structure according to claim 7, wherein the sealing material is a grounding portion in which a lower end of a surface portion connected to the large diameter portion is in close contact with the floor surface. 前記シール材は、前記大径部に連設される面部の中間位置が一面側にくの字状に屈曲された屈曲部が形成されている請求項８記載の扉下部気密構造。   The door lower airtight structure according to claim 8, wherein the sealing material is formed with a bent portion in which an intermediate position of a surface portion provided continuously to the large diameter portion is bent in a dogleg shape on one surface side. 前記シール材の接地部が断面円形状の中空構造とされている請求項１〜９のいずれか１項記載の扉下部気密構造。   The door lower airtight structure according to any one of claims 1 to 9, wherein the grounding portion of the sealing material has a hollow structure with a circular cross section.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015132086A (en) * 2014-01-10 2015-07-23 文化シヤッター株式会社 Airtight structure of opening/closing door device
JP2015132087A (en) * 2014-01-10 2015-07-23 文化シヤッター株式会社 Airtight structure of opening/closing door device
JP2018178647A (en) * 2017-04-20 2018-11-15 株式会社日建設計 Fitting installation structure
KR20200000997A (en) * 2018-06-26 2020-01-06 미성엠프로 주식회사 Structure preventing dust from entering the electric room
JP2021161708A (en) * 2020-03-31 2021-10-11 文化シヤッター株式会社 Fixture device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015132086A (en) * 2014-01-10 2015-07-23 文化シヤッター株式会社 Airtight structure of opening/closing door device
JP2015132087A (en) * 2014-01-10 2015-07-23 文化シヤッター株式会社 Airtight structure of opening/closing door device
JP2018178647A (en) * 2017-04-20 2018-11-15 株式会社日建設計 Fitting installation structure
KR20200000997A (en) * 2018-06-26 2020-01-06 미성엠프로 주식회사 Structure preventing dust from entering the electric room
JP2021161708A (en) * 2020-03-31 2021-10-11 文化シヤッター株式会社 Fixture device
JP7399776B2 (en) 2020-03-31 2023-12-18 文化シヤッター株式会社 joinery equipment

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