JPH06299689A - Inspection door - Google Patents
Inspection doorInfo
- Publication number
- JPH06299689A JPH06299689A JP8584793A JP8584793A JPH06299689A JP H06299689 A JPH06299689 A JP H06299689A JP 8584793 A JP8584793 A JP 8584793A JP 8584793 A JP8584793 A JP 8584793A JP H06299689 A JPH06299689 A JP H06299689A
- Authority
- JP
- Japan
- Prior art keywords
- inner frame
- outer frame
- opening
- frame
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、点検口に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inspection port.
【０００２】[0002]
【従来の技術】一般に点検口は、壁面、あるいは天井面
等の設置基部の開口に嵌合、固定されて使用されるもの
で、上記開口に固定される外枠と、外枠に回動自在に枢
支される内枠とを備えて構成される。2. Description of the Related Art Generally, an inspection port is used by being fitted and fixed to an opening of an installation base such as a wall surface or a ceiling surface, and an outer frame fixed to the opening and rotatable to the outer frame. And an inner frame pivotally supported by.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上述した従来
例においては、内枠を枢支するヒンジ部にはがたつき等
が存在するために、例えば、外枠開口の板厚程度の外周
下端縁と内枠の板厚程度の下端縁とを近接させた状態で
内枠が閉塞される、所謂目地タイプの点検口では、両枠
の隙間幅を全周に渡って一定に保つことが難しく、見栄
えが悪くなってしまうという欠点を有するものであっ
た。However, in the above-mentioned conventional example, since there is rattling in the hinge portion pivotally supporting the inner frame, for example, the outer peripheral lower end of about the plate thickness of the outer frame opening is formed. In a so-called joint type inspection port, in which the inner frame is closed in a state where the edge and the lower edge of the thickness of the inner frame are close to each other, it is difficult to keep the gap width of both frames constant over the entire circumference. However, it has a drawback that it looks bad.
【０００４】本発明は、以上の欠点を解消すべくなされ
たものであって、常に内枠と外枠の隙間幅を一定に保つ
ことのできる点検口を提供することを目的とする。The present invention has been made to solve the above-mentioned drawbacks, and an object of the present invention is to provide an inspection port which can always keep the gap width between the inner frame and the outer frame constant.
【０００５】[0005]
【課題を解決するための手段】本発明によれば上記目的
は、実施例に対応する図１に示すように、設置基部１の
開口に固定される外枠２と、外枠２の開口２ａ内に回動
自在に嵌合される内枠３とを有し、前記外枠２の開口２
ａには、内枠３の回動中心に対して直交する二辺との間
の隙間に配置される弾性変形可能な押圧片４が設けら
れ、前記押圧片４により内枠３を内方に押圧して外枠２
の開口２ａの周縁と内枠３の周縁との隙間寸法ｄを一定
とする点検口を提供することにより達成される。According to the present invention, the above object is achieved by an outer frame 2 fixed to an opening of an installation base 1 and an opening 2a of the outer frame 2 as shown in FIG. 1 corresponding to an embodiment. An inner frame 3 rotatably fitted therein, and an opening 2 of the outer frame 2
An elastically deformable pressing piece 4 arranged in a space between two sides orthogonal to the rotation center of the inner frame 3 is provided at a, and the inner frame 3 is moved inward by the pressing piece 4. Press the outer frame 2
This is achieved by providing an inspection port that makes the gap dimension d between the peripheral edge of the opening 2a and the peripheral edge of the inner frame 3 constant.
【０００６】[0006]
【作用】点検口は、天井面、あるいは壁面等の設置基部
１に固定される外枠２と、外枠２の開口２ａ内に回動自
在に嵌合される内枠３とから構成され、外枠２の開口２
ａには弾性変形可能な押圧片４が設けられる。The inspection port is composed of an outer frame 2 fixed to the installation base 1 such as a ceiling surface or a wall surface, and an inner frame 3 rotatably fitted in the opening 2a of the outer frame 2. Opening 2 of the outer frame 2
An elastically deformable pressing piece 4 is provided at a.
【０００７】押圧片４は、外枠２の開口２ａ周縁であっ
て、内枠３の回動中心に対して直交する二辺との間の隙
間に配置されており、内枠３が閉塞された状態において
内枠３を両側から内方に押圧し、外枠２の開口２ａの周
縁と内枠３の周縁との隙間寸法ｄを一定とする。The pressing piece 4 is arranged at the periphery of the opening 2a of the outer frame 2 and in a gap between the two sides orthogonal to the center of rotation of the inner frame 3 and closes the inner frame 3. In this state, the inner frame 3 is pressed inward from both sides to make the gap dimension d between the peripheral edge of the opening 2a of the outer frame 2 and the peripheral edge of the inner frame 3 constant.
【０００８】[0008]
【実施例】以下、本発明の望ましい実施例を添付図面に
基づいて詳細に説明する。図１ないし図３に本発明の実
施例に係る点検口を示す。この実施例は、設置基部１
（天井）の開口２ａに設置されて使用される天井点検口
であり、天井に開設された開口に嵌合固定される外枠２
と、この外枠２内に装着される内枠３と、施錠装置６と
を備える。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will now be described in detail with reference to the accompanying drawings. 1 to 3 show an inspection port according to an embodiment of the present invention. In this example, the installation base 1
An outer frame 2 which is a ceiling inspection port installed and used in the opening 2a of the (ceiling) and fitted and fixed to the opening opened in the ceiling.
And an inner frame 3 mounted in the outer frame 2 and a locking device 6.
【０００９】外枠２は、アルミニウム材等を押出成形し
て形成された枠材を枠組みして形成され、内枠３を枢支
するための一対の回転軸９と、ロック受け７とを備え
る。一方、内枠３は、枠体の開口部に面板３ａを固定し
て形成され、上記外枠２から内側に突出する回転軸９が
挿通するヒンジ孔１１を備える（図３参照）。なお、ヒ
ンジ孔１１は、長孔とされており、内枠３の閉塞動作中
に開放端縁が外枠２に衝接することを防止している。The outer frame 2 is formed by frame-forming a frame material formed by extruding an aluminum material or the like, and includes a pair of rotating shafts 9 for pivotally supporting the inner frame 3 and a lock receiver 7. . On the other hand, the inner frame 3 is formed by fixing the face plate 3a to the opening of the frame body, and is provided with a hinge hole 11 into which the rotary shaft 9 protruding inward from the outer frame 2 is inserted (see FIG. 3). The hinge hole 11 is a long hole and prevents the open edge from abutting against the outer frame 2 during the closing operation of the inner frame 3.
【００１０】内枠３に固定される施錠装置６は、例えば
キー等により回転可能なロータ６ａを収容する本体部６
ｂと、ロータ６ａの回動により先端が内枠３から外枠２
側に進退するロッド５とを備えており、該ロッド５を外
枠２のロック受け７に挿通させることによりロック状態
となる。A locking device 6 fixed to the inner frame 3 has a main body 6 for accommodating a rotor 6a rotatable by, for example, a key or the like.
b and the tip of the inner frame 3 to the outer frame 2 due to the rotation of the rotor 6a.
It is provided with a rod 5 that moves forward and backward, and a locked state is obtained by inserting the rod 5 into the lock receiver 7 of the outer frame 2.
【００１１】なお、図２、図３において１０は押出型材
を枠組みするためのコーナ金具を、図２において１２は
面板３ａを枠体に固定するためのアングル材を示す。2 and 3, reference numeral 10 denotes a corner metal member for framing the extruded die member, and 12 in FIG. 2 denotes an angle member for fixing the face plate 3a to the frame body.
【００１２】ロック受け７の詳細を図４に示す。ロック
受け７は、合成樹脂材による射出成型品であり、外枠２
に嵌合され、固定ピン１３により拡開されて外枠２に圧
入、固定される固定筒部１４と、外枠２から突出するロ
ッド５を受容するロッド挿通筒８と、ロッド挿通筒８の
下部に形成される傾斜状のガイド壁１５と、ロッド挿通
筒８の上部から内枠３側に突出して内枠３の上方へのオ
ーバーランを規制するストッパ片１６と、押圧片４とを
備える。Details of the lock receiver 7 are shown in FIG. The lock receiver 7 is an injection molded product made of a synthetic resin material, and has an outer frame 2
Of the rod insertion tube 8 that receives the rod 5 projecting from the outer frame 2 and the fixed tube portion 14 that is fitted into the outer frame 2 and is press-fitted and fixed to the outer frame 2. An inclined guide wall 15 formed in the lower portion, a stopper piece 16 protruding from the upper portion of the rod insertion tube 8 toward the inner frame 3 side to restrict the overrun of the inner frame 3 upward, and a pressing piece 4 are provided. .
【００１３】押圧片４は、ロッド挿通筒８の両側方から
内枠３側に向かって突設される固定部４ａと、この固定
部４ａの先端から上方、かつ内枠３側に向かって傾斜状
に延設される弾性変形部４ｂとを備えて断面Ｌ字状に形
成される。The pressing piece 4 has a fixing portion 4a projecting from both sides of the rod insertion tube 8 toward the inner frame 3 side, and an inclination from the tip of the fixing portion 4a upward and toward the inner frame 3 side. And an elastically deformable portion 4b that extends in a line shape, and has an L-shaped cross section.
【００１４】したがってこの実施例において、内枠３が
回転軸９周りに回動して外枠２の開口２ａ内に進入して
くると、図１（ｂ）に示すように、先ず内枠３の上端が
ロック受け７のガイド壁１５に当接し、外枠２の開口２
ａを閉塞しながら徐々に中央に導かれる。Therefore, in this embodiment, when the inner frame 3 rotates around the rotary shaft 9 and enters into the opening 2a of the outer frame 2, as shown in FIG. The upper end of the outer ring 2 contacts the guide wall 15 of the lock receiver 7,
It is gradually guided to the center while closing a.
【００１５】次いで、さらに内枠３が回動すると、該内
枠３の上端は押圧片４に当接し、該押圧片４の弾性変形
部４ｂを弾性変形させながらストッパ片１６に当接す
る。この状態が内枠３の閉塞状態である。Then, when the inner frame 3 is further rotated, the upper end of the inner frame 3 contacts the pressing piece 4, and the elastic deformation portion 4b of the pressing piece 4 elastically deforms to contact the stopper piece 16. This state is the closed state of the inner frame 3.
【００１６】この閉塞状態において内枠３には、図１
（ａ）から明らかなように、対向する両側縁から押圧片
４の弾性復元力が付与されることとなって、両側の弾性
復元力が釣り合う中央に保持され、外枠２の開口２ａ周
縁と内枠３の周縁との間の隙間寸法ｄが一定に保たれ
る。In this closed state, the inner frame 3 is shown in FIG.
As is clear from (a), the elastic restoring force of the pressing piece 4 is applied from the opposite side edges, so that the elastic restoring forces on both sides are held at the center and the peripheral edge of the opening 2a of the outer frame 2 is retained. The gap dimension d between the inner frame 3 and the peripheral edge is kept constant.
【００１７】さらに、この実施例において、ロッド挿通
筒８の内壁断面形状は、内枠３側の端面において長円で
あり、奥行き方向中心部に向かって徐々に傾斜状のガイ
ド壁面１７を形成しつつ、やや偏平な円形に移行するよ
うに形成される。Furthermore, in this embodiment, the inner wall cross-sectional shape of the rod insertion tube 8 is an ellipse at the end face on the inner frame 3 side, and a guide wall surface 17 is formed which is gradually inclined toward the central portion in the depth direction. Meanwhile, it is formed so as to shift to a slightly flattened circle.
【００１８】上記長円は、図３に示すように、回転軸９
のヒンジ孔１１内での移動量を吸収するために設けられ
るもので、その長軸方向は、回転軸９の遊び方向、すな
わち、ヒンジ孔１１の長軸方向と一致するようにされ、
長軸長さは、回転軸９の移動によるロッド５進退位置の
ずれを吸収可能な程度の寸法とされる。As shown in FIG. 3, the ellipse has a rotating shaft 9
Is provided in order to absorb the amount of movement of the hinge hole 11 within the hinge hole 11, and its major axis direction is made to coincide with the play direction of the rotary shaft 9, that is, the major axis direction of the hinge hole 11.
The length of the major axis is set to a dimension that can absorb the shift of the retracted position of the rod 5 due to the movement of the rotary shaft 9.
【００１９】したがってこの実施例において、内枠３を
閉塞方向に回動させるに際して、該内枠３を一側縁側に
ずらせた場合には、施錠装置６のロッド５の先端は、内
枠３の偏位方向にずれた状態でロック受け７のロッド挿
通筒８に対峙することとなり、この状態で、施錠装置６
を作動させてロッド５を外枠２側に突出させると、ロッ
ド５先端は、長円形状の端面部からロッド挿通筒８内に
進入する。Therefore, in this embodiment, when rotating the inner frame 3 in the closing direction, when the inner frame 3 is displaced to one side edge side, the tip of the rod 5 of the locking device 6 has the end of the inner frame 3 It faces the rod insertion tube 8 of the lock receiver 7 in a state of being displaced in the deviation direction, and in this state, the locking device 6
Is operated to project the rod 5 to the outer frame 2 side, the tip of the rod 5 enters the rod insertion tube 8 from the end surface portion of the oval shape.
【００２０】ロッド５がロッド挿通筒８の奥行き方向に
進入するにつれて、ロッド挿通筒８のガイド壁面１７に
ガイドされるようにして偏平円形断面部に導かれ、内枠
３は、上述した押圧片４による調整に加えて、該調整辺
に直交する辺縁がロッド挿通筒８により調整され、外枠
２の開口２ａ周縁と内枠３の周縁との間の隙間寸法ｄは
全周に渡って一定に保たれる。As the rod 5 enters the rod insertion tube 8 in the depth direction, the rod 5 is guided to the flat circular cross section by being guided by the guide wall surface 17 of the rod insertion tube 8, and the inner frame 3 is pushed by the above-mentioned pressing piece. In addition to the adjustment by 4, the edge that is orthogonal to the adjustment side is adjusted by the rod insertion tube 8, and the gap dimension d between the peripheral edge of the opening 2a of the outer frame 2 and the peripheral edge of the inner frame 3 is the entire circumference. Is kept constant.
【００２１】図５に上述した実施例の変形例を示す。こ
の変形例において、ロック受け７は、本体部１８とバネ
部材１９とから構成される。本体部１８は、合成樹脂材
料により形成され、上述した実施例におけるロック受け
７から押圧片４を取り除いたものと同一の構成を有して
いる。FIG. 5 shows a modification of the above embodiment. In this modification, the lock receiver 7 is composed of a main body 18 and a spring member 19. The main body 18 is made of a synthetic resin material and has the same structure as that of the lock receiver 7 of the above-described embodiment from which the pressing piece 4 is removed.
【００２２】また、バネ部材１９は、バネ鋼、合成樹脂
等の弾性材料により形成される板状部材であり、両側縁
に折曲される係止部１９ａを本体部１８に係止させて組
み付けられる。このバネ部材１９は、上端部に一対の押
圧片４、４を備えており、外枠２にロック受け７を装着
した状態で内枠３側に突出し、内枠３を内方に押し付け
る。The spring member 19 is a plate-shaped member made of an elastic material such as spring steel or synthetic resin, and is assembled by engaging the engaging portions 19a bent at both side edges with the main body portion 18. To be The spring member 19 is provided with a pair of pressing pieces 4 and 4 at the upper end thereof, and protrudes toward the inner frame 3 side with the lock receiver 7 attached to the outer frame 2 to press the inner frame 3 inward.
【００２３】図６、図７に本発明の他の実施例を示す。
この実施例において、施錠装置６は、ロータ６ａを回転
させることによりレバー部材２０を外枠２側に係脱させ
て施解錠するように構成される。6 and 7 show another embodiment of the present invention.
In this embodiment, the locking device 6 is configured to lock and unlock the lever member 20 by rotating the rotor 6a so that the lever member 20 is engaged with and disengaged from the outer frame 2 side.
【００２４】ロック受け７を要しないかかる施錠装置６
を有する本実施例に係る点検口において、外枠２には、
隙間寸法保持材２１が固定される。隙間寸法保持材２１
は、バネ鋼、合成樹脂等の弾性材料により形成される板
状部材であり、上下端縁を外枠２の上下溝に嵌合させて
外枠２に装着される。The locking device 6 which does not require the lock receiver 7
In the inspection port according to this embodiment having the
The gap dimension holding material 21 is fixed. Gap dimension holding material 21
Is a plate-shaped member formed of an elastic material such as spring steel or synthetic resin, and is attached to the outer frame 2 by fitting the upper and lower edges into the upper and lower grooves of the outer frame 2.
【００２５】この隙間寸法保持材２１には、上端中央部
を内枠３側に折曲して形成される押圧片４が設けられて
おり、該押圧片４により内枠３の上端を中央部に押し付
けることにより外枠２の開口２ａ周縁と内枠３の周縁と
の間の隙間寸法ｄを一定に保持する。The gap dimension holding member 21 is provided with a pressing piece 4 formed by bending the center portion of the upper end toward the inner frame 3 side. By pressing against, the gap dimension d between the peripheral edge of the opening 2a of the outer frame 2 and the peripheral edge of the inner frame 3 is kept constant.
【００２６】なお、以上の説明においては、天井点検口
を例に取ったが、この他に、壁面に固定される壁点検口
にも適用可能であることは勿論である。In the above description, the ceiling inspection port is taken as an example, but it is needless to say that the present invention is also applicable to a wall inspection port fixed to a wall surface.
【００２７】[0027]
【発明の効果】以上の説明から明らかなように、本発明
の点検口によれば、外枠の開口に内枠を両側から内方に
押し付ける押圧片を設けたので、内枠は常に外枠開口の
中央位置にセットされることとなり、確実に内枠の周縁
と外枠開口の周縁との間の隙間寸法を確実に一定に保持
することができる。As is apparent from the above description, according to the inspection port of the present invention, the inner frame is always provided with the outer frame because the inner frame is always provided with the pressing pieces for pressing the inner frame from both sides inward. Since it is set at the center position of the opening, the size of the gap between the peripheral edge of the inner frame and the peripheral edge of the outer frame can be surely kept constant.
【図１】本発明の実施例を示す断面図で、（ａ）は横方
向全体断面図、（ｂ）は（ａ）の要部拡大図である。FIG. 1 is a cross-sectional view showing an embodiment of the present invention, (a) is an overall lateral cross-sectional view, and (b) is an enlarged view of a main part of (a).
【図２】図１の全体斜視図である。FIG. 2 is an overall perspective view of FIG.
【図３】図１のＡ−Ａ線断面図である。3 is a cross-sectional view taken along the line AA of FIG.
【図４】ロック受けを示す説明図で、（ａ）は斜視図、
（ｂ）は正面図である。FIG. 4 is an explanatory view showing a lock receiver, (a) is a perspective view,
(B) is a front view.
【図５】ロック受けの変形例を示す分解斜視図である。FIG. 5 is an exploded perspective view showing a modified example of the lock receiver.
【図６】本発明の他の実施例を示す斜視図である。FIG. 6 is a perspective view showing another embodiment of the present invention.
【図７】隙間寸法保持材を示す説明図で、（ａ）は斜視
図、（ｂ）は点検口への装着状態を示す断面図である。7A and 7B are explanatory views showing a gap dimension holding material, FIG. 7A is a perspective view, and FIG. 7B is a sectional view showing a state of being attached to an inspection port.
１ 設置基部 ２ 外枠 ２ａ 開口 ３ 内枠 ４ 押圧片 ５ ロッド ６ 施錠装置 ７ ロック受け ８ ロッド挿通筒 ｄ 隙間寸法 1 installation base 2 outer frame 2a opening 3 inner frame 4 pressing piece 5 rod 6 locking device 7 lock receiver 8 rod insertion tube d gap size
Claims (3)
二辺との間の隙間に配置される弾性変形可能な押圧片が
設けられ、 前記押圧片により内枠を内方に押圧して外枠の開口の周
縁と内枠の周縁との間隙寸法を一定とする点検口。1. An outer frame fixed to an opening of an installation base, and an inner frame rotatably fitted in the opening of the outer frame, wherein the opening of the outer frame has a rotation of the inner frame. An elastically deformable pressing piece disposed in a gap between two sides orthogonal to the center of motion is provided, and the pressing piece presses the inner frame inwardly and the peripheral edge of the opening of the outer frame and the inner frame. Inspection port with a constant gap size from the peripheral edge.
備えた施錠装置が設けられるとともに、外枠には、ロッ
ドを受容するロック受けが装着され、 前記押圧片は、ロック受けに一体形成される請求項１記
載の点検口。2. The inner frame is provided with a locking device having a rod that moves forward and backward toward the outer frame, and a lock receiver for receiving the rod is attached to the outer frame, and the pressing piece is a lock receiver. The inspection port according to claim 1, which is integrally formed with the inspection port.
ロッド挿通筒を備え、 かつ、ロッド挿通筒の内壁断面形状は、内枠の回動中心
に対して直交する二辺の長手方向を長軸とする長円で、
奥行き方向に向かって徐々に縮径する請求項２記載の点
検口。3. The lock receiver includes a rod insertion tube through which the rod is inserted, and an inner wall cross-sectional shape of the rod insertion tube is long in a longitudinal direction of two sides orthogonal to a rotation center of the inner frame. It is an ellipse that is the axis,
The inspection port according to claim 2, wherein the diameter is gradually reduced in the depth direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8584793A JPH06299689A (en) | 1993-04-13 | 1993-04-13 | Inspection door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8584793A JPH06299689A (en) | 1993-04-13 | 1993-04-13 | Inspection door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06299689A true JPH06299689A (en) | 1994-10-25 |
Family
ID=13870269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8584793A Pending JPH06299689A (en) | 1993-04-13 | 1993-04-13 | Inspection door |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06299689A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007120234A (en) * | 2005-10-31 | 2007-05-17 | Naka Ind Ltd | Ceiling inspection port |
| KR101282462B1 (en) * | 2009-10-01 | 2013-07-04 | 김진호 | Cover device for inspection hole |
-
1993
- 1993-04-13 JP JP8584793A patent/JPH06299689A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007120234A (en) * | 2005-10-31 | 2007-05-17 | Naka Ind Ltd | Ceiling inspection port |
| KR101282462B1 (en) * | 2009-10-01 | 2013-07-04 | 김진호 | Cover device for inspection hole |
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