JPH0696910B2 - Inner frame locking device at inspection port - Google Patents
Inner frame locking device at inspection portInfo
- Publication number
- JPH0696910B2 JPH0696910B2 JP33513689A JP33513689A JPH0696910B2 JP H0696910 B2 JPH0696910 B2 JP H0696910B2 JP 33513689 A JP33513689 A JP 33513689A JP 33513689 A JP33513689 A JP 33513689A JP H0696910 B2 JPH0696910 B2 JP H0696910B2
- Authority
- JP
- Japan
- Prior art keywords
- inner frame
- locking
- rod
- operating rod
- operating
- 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.)
- Expired - Fee Related
Links
Landscapes
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Agricultural Machines (AREA)
Description
本発明は、点検口における内枠の係止装置に関するもの
である。The present invention relates to a locking device for an inner frame at an inspection port.
一般に、この種の係止装置としては、第8図に示すよう
に、内枠20の内側壁あるいは外側壁に沿って配設された
操作杆8を内枠20の表面部21への露出部を操作して水平
回転させ、この操作杆8の上端に屈曲形成されたクラン
ク部80の揺動動作により係止ロッド3を外枠2側に進退
させるものが提案されており、かかる係止装置1の内枠
20への固定は、各構成部材を内枠20に順次固定すること
により行われていた。Generally, as a locking device of this type, as shown in FIG. 8, the operating rod 8 arranged along the inner wall or the outer wall of the inner frame 20 is exposed to the surface portion 21 of the inner frame 20. It has been proposed that the locking rod 3 is operated to rotate horizontally, and the locking rod 3 is moved forward and backward toward the outer frame 2 side by the swinging motion of the crank portion 80 bent at the upper end of the operating rod 8. Inner frame of 1
The fixing to 20 was performed by sequentially fixing each component to the inner frame 20.
しかし、上記係止装置1の内枠20への固定作業は、上端
にクランク部80を形成した比較的長い杆体を所定位置に
配設する作業を含むために、効率が悪いという欠点を有
するものであった。 本発明は、かかる欠点を解消すべくなされたものであっ
て、組み付け作業性の良好な係止装置を提供することを
目的とする。However, the work of fixing the locking device 1 to the inner frame 20 includes the work of arranging a relatively long rod having the crank portion 80 at the upper end at a predetermined position, and therefore has the drawback of being inefficient. Met. SUMMARY OF THE INVENTION The present invention has been made to solve the above drawbacks, and an object of the present invention is to provide a locking device having good workability in assembling.
本発明によれば上記目的は、実施例に対応する第1ない
し第4図に示すように、天井片60に外枠2への係止ロッ
ド3を枢着した回転片4を枢着するとともに、立ち上が
り片61に係止壁5を形成してなり、該立ち上がり片61に
おいて内枠20の内側壁に固定される断面倒L字状の固定
部材6と、この固定部材6の係止壁5に引っ掛け爪70を
係止して該固定部材6に懸装される操作杆受け7と、直
杆部81の上端に前記回転片4を駆動する操作クランク82
を形成するとともに、直杆部81の下端に前記内枠20の表
面部21に露出する操作頭部83を形成してなり、前記直杆
部81において前記操作杆受け7に形成された縦溝71に弾
発保持される操作杆8とを有してなる点検口における内
枠の係止装置を提供することにより達成される。According to the present invention, the object is to pivotally attach the rotating piece 4 having the locking rod 3 to the outer frame 2 to the ceiling piece 60, as shown in FIGS. 1 to 4 corresponding to the embodiment. The rising wall 61 is formed with a locking wall 5, and the fixing wall 6 is fixed to the inner wall of the inner frame 20 at the rising piece 61 and the locking wall 5 of the fixing member 6. An operating rod receiver 7 which is hooked on a hook 70 and is suspended from the fixing member 6, and an operating crank 82 which drives the rotating piece 4 on the upper end of the straight rod portion 81.
And the operation head 83 exposed on the surface 21 of the inner frame 20 is formed at the lower end of the straight rod 81, and the vertical groove formed in the operation rod receiver 7 in the straight rod 81. This is achieved by providing a locking device for the inner frame at the inspection port, which has an operating rod 8 held elastically at 71.
上記構成に基づき、本発明による操作杆8は、操作杆受
け7に弾発保持され、操作杆受け7は、固定部材6の係
止壁5に引っ掛け爪70を係止させることにより固定部材
6に連結固定される。 この結果、従来配設作業が面倒であった操作杆8は、固
定部材6にサブアッセンブリされることとなり、固定部
材6を内枠20に固定するだけで係止装置1の固定作業が
終了する。Based on the above configuration, the operating rod 8 according to the present invention is elastically held by the operating rod receiver 7, and the operating rod receiver 7 is fixed to the fixing member 6 by locking the hooking claw 70 to the locking wall 5 of the fixing member 6. It is connected and fixed to. As a result, the operating rod 8 which has conventionally been troublesome to arrange is sub-assembled to the fixing member 6, and the fixing work of the locking device 1 is completed only by fixing the fixing member 6 to the inner frame 20. .
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。 第2図および第3図は本発明に係る係止装置1を備えた
天井点検口を示すもので、図中2は図示しない天井開口
に固定される外枠、20はこの外枠2の開口内部に回転自
在に枢支される内枠である。この内枠20の開放端縁に
は、内枠20の開放側縁から進退する係止ロッド3を有す
る係止装置1が固定されており、該係止ロッド3を外枠
2のロッド受け22に貫入させることにより、内枠20の閉
蓋状態が維持されるように構成されている。 係止装置1は、第4図に示すように、回転片4を枢着し
た固定部材6に懸装される操作杆受け7と、この操作杆
受け7に弾発的に保持される操作杆8とを有して構成さ
れている。 固定部材6は、板材を断面L字状に屈曲して形成されて
おり、天井片60には係止ロッド3の一端を枢着した回転
片4が枢着されるとともに、立ち上がり片61には、内枠
20へのビス孔62が形成されている。回転片4は、固定部
材6への枢軸部位に段部40を形成した板状部材であり、
一方の翼片をさらに延長して、後述する操作杆8の操作
クランク82が遊嵌する長孔41が穿設されている。 また、上記固定部材6の天井片60と立上り片61との境界
部には、開口63が設けられており、該開口63の下端縁を
構成する立ち上がり片61の壁面両端部に後述する操作杆
受け7を支持する係止壁5が形成されるとともに、該係
止壁5に挟まれる立ち上がり片61の中央部を内方に湾曲
させて保持壁64が形成されている。 上記回転片4を操作する操作杆8は、直杆部81の上端の
操作クランク82を屈曲形成した杆状体で、該操作クラン
ク82を上記回転片4の長孔41に遊嵌して直杆部81を回転
させることにより、該回転片4に回転動作を与えること
ができるようにされている。この操作杆8は、直杆部81
を操作杆受け7に弾発的に係止させることにより、該直
杆部81の下端部に膨隆形成した操作頭部83を内枠20の表
面部21に露出させた状態で装着され、操作頭部83をすり
割状に形成することにより、ドライバ等の先端で容易に
操作ができるようにされている。 一方、操作受け杆7は、第4図および第5図に示すよう
に、合成樹脂材等の射出成型品で、上記固定部材6の係
止壁5に引っ掛け爪70を係止させて該固定部材6に懸装
され、正面部に上記操作杆8の直杆部81を収容する縦溝
71を形成するとともに、この縦溝71の上下端に係止爪72
を突出して該操作杆8を弾発保持するように構成されて
いる。上記引っ掛け爪70は、操作杆受け7の上端部から
側方に突出される翼片73の先端に形成されており、先端
部にテーパ面74を形成することにより係止壁5への挿入
が容易にされている。また、上記操作杆受け7の背面75
は、上述した保持壁64に対応する曲率面に形成されてお
り、固定部材6への懸装時に背面75が保持壁64に当接
し、ぐらつきの発生を防止している。 この実施例における操作杆受け7は、第1図に示すよう
に、内枠20の仕上材23を切り欠いて形成した切欠開口24
に収容された状態で装着されており、該切欠開口24に
は、エスカッション部材9により覆われて表面部21への
露出が防止されている。 このエスカッション部材9は、第1図および第6図に示
すように、中央部に操作杆8の操作頭部83が挿通する孔
90を形成した飾り面91の裏面に係止翼92と挿入翼93を突
設して形成されており、上記操作杆受け7の裏面に形成
された挿入孔77に挿入翼93を挿入させるとともに、係止
翼92の係止孔94を操作杆受け7側の係止突起76に弾発的
に係止させることにより装着される。 したがって、この実施例によれば、予め回転片4と係止
ロッド3を装着した固定部材6の係止壁5に引っ掛け爪
70を上方から引っ掛けて操作杆受け7を仮連結した後、
操作杆8の操作クランク82を回転片4の長孔41に遊嵌
し、次いで該操作杆8の直杆部81を操作杆受け7の縦溝
71方向に押しつけると、縦溝71の開口に突設された係止
爪72が弾発的に撓んで縦溝71内に操作杆8の直杆部81を
保持する。この状態において、操作杆8は、操作杆受け
7を介して固定部材6に仮保持された状態となってお
り、この後、第7図に示すように、固定部材6のビス孔
62に内枠20外方からネジ25を螺合してサブアッセンブリ
パーツ化された係止装置1を内枠20の内壁面に固定す
る。この状態において、操作杆受け7の背面75は固定部
材6の保持壁64により内枠20の内壁面に押しつけられ、
該操作杆受け7のぐらつきが完全に防がれ、さらに操作
杆受け7にエスカッション部材9を連結することによ
り、内枠20の切欠開口24を閉塞し、係止装置1の固定作
業が終了する。 なお、以上の説明においては、固定部材6の係止壁5
を、該固定部材6の立ち上がり片に開口63を開設するこ
とにより形成する場合を示したが、この他に、例えば該
立ち上がり片61に断面コ字状の部材を接合して形成する
等、種々の方法で形成することができる。また、内枠20
に操作杆8の操作頭部83が挿入する孔を直接穿設する場
合には、エスカッション部材9を装着しなくとも良いこ
とは勿論である。Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. 2 and 3 show a ceiling inspection port provided with a locking device 1 according to the present invention, in which 2 is an outer frame fixed to a ceiling opening (not shown), and 20 is an opening of this outer frame 2. It is an inner frame that is rotatably supported inside. A locking device 1 having a locking rod 3 that advances and retracts from the open side edge of the inner frame 20 is fixed to the open end edge of the inner frame 20, and the locking rod 3 is fixed to the rod receiver 22 of the outer frame 2. It is configured such that the closed state of the inner frame 20 is maintained by making the inner frame 20 penetrate. As shown in FIG. 4, the locking device 1 includes an operating rod receiver 7 suspended from a fixing member 6 pivotally mounted on a rotating piece 4, and an operating rod elastically held by the operating rod receiver 7. And 8 are configured. The fixing member 6 is formed by bending a plate material into an L-shaped cross section. The ceiling piece 60 is pivotally mounted with the rotating piece 4 having one end of the locking rod 3 pivotally attached thereto, and the rising piece 61 is provided with the rising piece 61. ,The inner frame
A screw hole 62 to 20 is formed. The rotating piece 4 is a plate-shaped member in which a step portion 40 is formed at a pivot portion of the fixed member 6,
One wing piece is further extended to form a long hole 41 into which an operation crank 82 of an operation rod 8 described later is loosely fitted. Further, an opening 63 is provided at a boundary portion between the ceiling piece 60 and the rising piece 61 of the fixing member 6, and an operating rod described later is provided at both end portions of the wall surface of the rising piece 61 which constitutes a lower end edge of the opening 63. A locking wall 5 that supports the receiver 7 is formed, and a central portion of a rising piece 61 sandwiched by the locking wall 5 is curved inward to form a holding wall 64. The operating rod 8 for operating the rotating piece 4 is a rod-shaped body in which the operating crank 82 at the upper end of the straight rod portion 81 is bent and formed, and the operating crank 82 is loosely fitted in the long hole 41 of the rotating piece 4 to directly connect it. By rotating the rod 81, the rotary piece 4 can be rotated. This operating rod 8 is provided with a direct rod 81
The operation head 83, which is bulged at the lower end of the straight rod 81, is attached to the operation rod receiver 7 by being elastically locked, and is mounted on the surface 21 of the inner frame 20 in an exposed state. By forming the head portion 83 in a slotted shape, it can be easily operated by the tip of a driver or the like. On the other hand, as shown in FIGS. 4 and 5, the operation receiving rod 7 is an injection-molded product such as a synthetic resin material, and the hooking claw 70 is locked to the locking wall 5 of the fixing member 6 to fix the same. A vertical groove that is suspended from the member 6 and that accommodates the direct rod portion 81 of the operating rod 8 in the front portion.
71 is formed, and locking claws 72 are formed on the upper and lower ends of the vertical groove 71.
To project and hold the operating rod 8 elastically. The hooking claw 70 is formed at the tip of the wing piece 73 that projects laterally from the upper end of the operating rod receiver 7. By forming a tapered surface 74 at the tip, the hooking claw 70 can be inserted into the locking wall 5. It's been easy. In addition, the back surface 75 of the operating rod receiver 7
Is formed in a curved surface corresponding to the above-mentioned holding wall 64, and the back surface 75 abuts the holding wall 64 during suspension on the fixing member 6 to prevent wobbling. As shown in FIG. 1, the operating rod receiver 7 in this embodiment has a notch opening 24 formed by notching the finishing material 23 of the inner frame 20.
The cutout opening 24 is covered with the escutcheon member 9 to prevent the surface portion 21 from being exposed. As shown in FIGS. 1 and 6, the escutcheon member 9 has a hole through which the operating head 83 of the operating rod 8 is inserted in the central portion.
A locking wing 92 and an insertion wing 93 are formed on the back surface of the decorative surface 91 forming the 90, and the insertion wing 93 is inserted into the insertion hole 77 formed on the back surface of the operation rod receiver 7. It is mounted by elastically locking the locking hole 94 of the locking wing 92 to the locking projection 76 on the side of the operating rod receiver 7. Therefore, according to this embodiment, the hook claw is hooked on the locking wall 5 of the fixed member 6 to which the rotating piece 4 and the locking rod 3 are previously attached.
After hooking 70 from above and temporarily connecting the operating rod support 7,
The operating crank 82 of the operating rod 8 is loosely fitted in the long hole 41 of the rotating piece 4, and then the straight rod portion 81 of the operating rod 8 is inserted into the vertical groove of the operating rod receiver 7.
When pressed in the 71 direction, the locking claw 72 protruding from the opening of the vertical groove 71 elastically bends and holds the straight rod portion 81 of the operating rod 8 in the vertical groove 71. In this state, the operating rod 8 is in a state of being temporarily held by the fixing member 6 via the operating rod receiver 7, and thereafter, as shown in FIG.
A screw 25 is screwed onto the inner frame 20 from the outside of the inner frame 20 to fix the locking device 1 which is a subassembly part to the inner wall surface of the inner frame 20. In this state, the back surface 75 of the operating rod receiver 7 is pressed against the inner wall surface of the inner frame 20 by the holding wall 64 of the fixing member 6,
The wobbling of the operating rod receiver 7 is completely prevented, and by connecting the escutcheon member 9 to the operating rod receiver 7, the notch opening 24 of the inner frame 20 is closed and the fixing work of the locking device 1 is completed. . In the above description, the locking wall 5 of the fixing member 6
In the above, the case where the opening 63 is formed in the rising piece of the fixing member 6 is shown. However, other than this, for example, a member having a U-shaped cross section is joined to the rising piece 61 to form various shapes. Can be formed by the above method. Also, the inner frame 20
It is needless to say that the escutcheon member 9 need not be attached when the hole into which the operating head 83 of the operating rod 8 is inserted is directly formed.
以上説明したように、本発明による係止装置によれば、
操作杆、操作杆受けおよび固定部材をサブアッセンブリ
化することができるので、内枠への取付作業性を向上さ
せることができる。As described above, according to the locking device of the present invention,
Since the operating rod, the operating rod receiver, and the fixing member can be sub-assembled, the workability of attaching to the inner frame can be improved.
第1図は本発明による係止装置の内枠への固定状態を示
す斜視図、 第2図は本発明による係止装置が適用された天井点検口
を示す斜視図、 第3図はその一部平面図、 第4図は本発明に係る係止装置の分解斜視図、 第5図(a)は操作杆受けを示す正面図、 第5図(b)は第5図(a)のB方向矢視図、 第6図はエスカッション部材の裏面図、 第7図は第1図のVII-VII線断面図、 第8図は従来例を示す側面図である。 1……係止装置 2……外枠 20……内枠 3……係止ロッド 4……回転片 5……係止壁 6……固定部材 60……天井片 61……立ち上がり片 7……操作杆受け 70……引っ掛け爪 71……縦溝 8……操作杆 81……直杆部 82……操作クランク 83……操作頭部。FIG. 1 is a perspective view showing a state where a locking device according to the present invention is fixed to an inner frame, FIG. 2 is a perspective view showing a ceiling inspection port to which the locking device according to the present invention is applied, and FIG. 4 is a plan view of the part, FIG. 4 is an exploded perspective view of the locking device according to the present invention, FIG. 5 (a) is a front view showing the operating rod receiver, and FIG. 5 (b) is B of FIG. 5 (a). FIG. 6 is a rear view of the escutcheon member, FIG. 7 is a sectional view taken along line VII-VII of FIG. 1, and FIG. 8 is a side view showing a conventional example. 1 ... Locking device 2 ... Outer frame 20 ... Inner frame 3 ... Locking rod 4 ... Rotating piece 5 ... Locking wall 6 ... Fixing member 60 ... Ceiling piece 61 ... Standing piece 7 ... … Operating rod support 70 …… Hooking claw 71 …… Vertical groove 8 …… Operating rod 81 …… Direct rod 82 …… Operating crank 83 …… Operating head.
Claims (1)
転片を枢着するとともに、立ち上がり片に係止壁を形成
してなり、該立ち上がり片において内枠の内側壁に固定
される断面倒L字状の固定部材と、 この固定部材の係止壁に引っ掛け爪を係止して該固定部
材に懸装される操作杆受けと、 直杆部の上端に前記回転片を駆動する操作クランクを形
成するとともに、直杆部の下端に前記内枠の表面に露出
する操作頭部を形成してなり、前記直杆部において前記
操作杆受けに形成された縦溝に弾発保持される操作杆と
を有してなる点検口における内枠の係止装置。A ceiling piece is pivotally mounted with a rotating piece having a locking rod for locking to an outer frame, and a rising wall is formed with a locking wall, and the rising piece is fixed to the inner wall of the inner frame. A fixed L-shaped cross section, an operating rod receiver that is hooked on a locking wall of the fixed member and suspended by the fixed member, and the rotary piece is attached to the upper end of the straight rod. In addition to forming an operating crank to be driven, an operating head exposed on the surface of the inner frame is formed at the lower end of the straight rod part, and the straight rod part is elastically ejected in a vertical groove formed in the operating rod receiver. A locking device for an inner frame at an inspection port, which has an operating rod to be held.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33513689A JPH0696910B2 (en) | 1989-12-26 | 1989-12-26 | Inner frame locking device at inspection port |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33513689A JPH0696910B2 (en) | 1989-12-26 | 1989-12-26 | Inner frame locking device at inspection port |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03197767A JPH03197767A (en) | 1991-08-29 |
JPH0696910B2 true JPH0696910B2 (en) | 1994-11-30 |
Family
ID=18285173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP33513689A Expired - Fee Related JPH0696910B2 (en) | 1989-12-26 | 1989-12-26 | Inner frame locking device at inspection port |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0696910B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7293402B2 (en) * | 2019-12-26 | 2023-06-19 | パナソニックIpマネジメント株式会社 | lid |
-
1989
- 1989-12-26 JP JP33513689A patent/JPH0696910B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH03197767A (en) | 1991-08-29 |
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