JPH061660Y2 - Masu lid - Google Patents
Masu lidInfo
- Publication number
- JPH061660Y2 JPH061660Y2 JP1987094256U JP9425687U JPH061660Y2 JP H061660 Y2 JPH061660 Y2 JP H061660Y2 JP 1987094256 U JP1987094256 U JP 1987094256U JP 9425687 U JP9425687 U JP 9425687U JP H061660 Y2 JPH061660 Y2 JP H061660Y2
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- lid
- receiving frame
- lid body
- shaft portion
- 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 - Lifetime
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- Sewage (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 この考案の集水、排水用のます穴に設置されるます蓋に
関する。[Detailed description of the device] [Industrial field of application] The present invention relates to a lid that is installed in a mast hole for collecting and draining water.
この種のます蓋として、例えば、第８図ないし第１０図
に示すようなものがある（実開昭６０−８７７９号公
報）。これは、ます穴１の周囲のコンクリート部２に定
置固定される四角形の受枠３内に格子状の蓋本体４をは
め込んで枢支軸１２まわりに開閉自在に枢着してなる。An example of this type of lid is shown in FIGS. 8 to 10 (Japanese Utility Model Laid-Open No. 60-8779). This is formed by fitting a grid-shaped lid main body 4 into a rectangular receiving frame 3 fixedly fixed to the concrete portion 2 around the hole 1 and pivotably attached around the pivot shaft 12 so as to be openable and closable.
かかるます蓋は蓋本体４と受枠３を別々に分離でき、ま
た組みつけ自在である。すなわち、受枠３側に装着され
る枢支軸１２は、左右の軸部１２ａ・１２ｂからなり、
一方の軸部１２ａが枠内方へ突出状に固着され、他方の
軸部１２ｂは第１０図に示すように受枠３にその軸心方
向にばね１５を介して出退移動自在に装着してなる。か
くして、蓋本体４を受枠３に組みつけるには、第９図に
示すように、まず蓋本体４側に設けた一方の軸孔１７を
受枠３の固定軸部１２ａに挿入し、次いで受枠３の可動
軸部１２ｂを一旦ばね１５の力に抗し退入させたうえで
蓋本体４の他方の軸孔１７に挿入させる。With such a lid, the lid body 4 and the receiving frame 3 can be separately separated, and can be freely assembled. That is, the pivot shaft 12 mounted on the receiving frame 3 side includes the left and right shaft portions 12a and 12b,
One shaft portion 12a is fixed in a protruding manner to the inside of the frame, and the other shaft portion 12b is mounted on the receiving frame 3 so as to be movable back and forth via a spring 15 in the axial direction of the receiving frame 3, as shown in FIG. Become. Thus, in order to assemble the lid main body 4 to the receiving frame 3, first, as shown in FIG. 9, one shaft hole 17 provided on the lid main body 4 side is inserted into the fixed shaft portion 12a of the receiving frame 3 and then the receiving frame 3 is inserted. The movable shaft portion 12b is once withdrawn against the force of the spring 15 and then inserted into the other shaft hole 17 of the lid body 4.
従って、このます蓋によれば、蓋本体４と受枠３が分
離、組みつけ自在であるため、現場施工に際しては、蓋
本体４と受枠３を別々に分離しておいて、先ず受枠３を
ます穴１の上に定置固定し、次にその受枠３内に蓋本体
４をはめ込むという施工手順でもって作業することがで
きる。そのため、予め蓋本体４と受枠３を組みつけたも
のをます穴１の上に同時に据えつける作業に比し、重量
の大きいます蓋も容易に据えつけることができる。Therefore, according to this mast lid, the lid body 4 and the receiving frame 3 can be separated and assembled freely. Therefore, at the time of on-site construction, the lid body 4 and the receiving frame 3 are separately separated, and then the receiving frame 3 is first put. It is possible to work according to a construction procedure in which the lid body 4 is fixedly fixed on the hole 1 and then the lid body 4 is fitted into the receiving frame 3. Therefore, it is possible to easily install a large-capacity lid as compared with the work of simultaneously assembling the lid main body 4 and the receiving frame 3 assembled in advance on the hole 1 at the same time.
しかし、蓋本体４を受枠３に組みつけるとき受枠３側の
可動軸部１２ｂを退入操作する作業は、蓋本体４と受枠
３との狭い間隙での作業となり、危険性と困難性が伴
う。その軸部１２ｂを手で持って退入操作するに際し、
蓋本体４と受枠３間で指を詰める危惧が大いにある。ま
た第９図に示すように板Ｂを用意し、これを蓋本体４と
受枠３間に差し込んで可動軸部１２ｂを退入させておき
ながら蓋本体４をはめ込む作業もあるが、かかる作業は
比較的安全に行えても、煩雑な手間が掛かるとともに、
専用の板Ｂを組みつけ用具として準備しておく必要があ
る等の不利な面がある。However, when the lid main body 4 is assembled to the receiving frame 3, the work of retracting the movable shaft portion 12b on the receiving frame 3 side is a work in a narrow gap between the lid main body 4 and the receiving frame 3, and thus involves danger and difficulty. . When carrying out the withdrawal operation while holding the shaft portion 12b by hand,
There is a great concern that fingers may be stuffed between the lid body 4 and the receiving frame 3. Further, as shown in FIG. 9, a plate B is prepared and inserted between the lid body 4 and the receiving frame 3 to insert the lid body 4 while the movable shaft portion 12b is retracted. Even if it can be done relatively safely, it will be troublesome and time-consuming.
There are disadvantages such as the need to prepare a dedicated board B as an assembly tool.
かと言って、可動軸部１２ｂを退入操作し易くするため
に蓋本体４と受枠３との間の間隙を広めに設定すれば、
蓋本体４にがたつきが生じやすくなり、この蓋本体４の
上に自動車等が通行した時に金属衝撃音が発生し、ます
蓋の騒音発生の原因になっていた。また、蓋本体４と受
枠３間の間隙にごみが溜まり、蓋本体４の開閉作動に支
障を来す原因にもなっていた。On the other hand, if the gap between the lid body 4 and the receiving frame 3 is set to be wide in order to facilitate the retracting operation of the movable shaft portion 12b,
Rattling of the lid body 4 is likely to occur, and when a vehicle or the like passes over the lid body 4, a metal impact sound is generated, which further causes noise of the lid. In addition, dust accumulates in the gap between the lid body 4 and the receiving frame 3, which causes a hindrance to the opening / closing operation of the lid body 4.
本考案は、上記のような、蓋本体４と受枠３を分離・組
みつけ自在になした形態のます蓋において、蓋本体４の
受枠３への組みつけ作業の簡易化、安全性を図ることを
目的とする。In the present invention, in the above-mentioned masu lid in which the lid body 4 and the receiving frame 3 can be separated and assembled freely, the work of assembling the lid body 4 to the receiving frame 3 should be simplified and the safety should be improved. With the goal.
本考案は、受枠３内に蓋本体４をはめ込んで枢支軸１２
まわりに開閉自在に枢着してなるます蓋において、枢支
軸１２が左右の軸部１２ａ・１２ｂからなり、蓋本体４
の前端側に各軸部１２ａ・１２ｂをこれの先端が蓋本体
４の左右枠８・９に設けた各軸孔１３・１３から外方に
突出するよう備えていること、受枠３の左右枠３ａ・３
ｂに、前記軸部１２ａ・１２ｂの各先端が入る軸孔１７
・１７を設けてあること、両軸部１２ａ・１２ｂの少な
くとも一方を蓋本体４の左右枠８・９の一方の軸孔１３
に対して、出退移動自在に装着してあること、この可動
軸部をこれの先端が受枠３側の軸孔１７に係入する突出
姿勢に保持する手段が、蓋本体４の左右枠８・９より内
側に設けられていることを要件とする。According to the present invention, the lid body 4 is fitted in the receiving frame 3 so that the pivot shaft 12
In a lid that is pivotally attached around the lid, the pivot shaft 12 includes left and right shaft portions 12a and 12b, and the lid body 4
The front end side of each of the shaft portions 12a and 12b so that the tips of the shaft portions 12a and 12b project outward from the shaft holes 13 and 13 provided in the left and right frames 8 and 9 of the lid body 4, and the left and right frames of the receiving frame 3. 3a / 3
The shaft hole 17 into which the respective tip ends of the shaft portions 12a and 12b are inserted in b.
.17 is provided, and at least one of the shaft portions 12a and 12b is provided in one of the shaft holes 13 of the left and right frames 8 and 9 of the lid body 4.
On the other hand, the means for holding the movable shaft portion in such a manner that it can be moved in and out, and the movable shaft portion is held in a protruding posture in which the tip of the movable shaft portion is engaged with the shaft hole 17 on the receiving frame 3 side is the left and right frames 8 of the lid body 4.・ Required to be installed inside 9.
かかる本考案によれば、蓋本体４の開閉支点となる枢支
軸１２が、蓋本体４の左右枠８・９より外方に突出する
左右の軸部１２ａ・１２ｂからなるものとしたうえで、
両軸部１２ａ・１２ｂの少なくとも一方を蓋本体４の左
右枠８・９の一方の軸孔１３に対して出退自在に装着し
た。従って、受枠３に蓋本体４を組み付けるに際しては
蓋本体４の表側あるいは裏側から可動の前記軸部を左右
枠８・９より内側で直接に手で持って軸心方向に簡単か
つ安全に退入操作できる。次に、前記可動軸部を蓋本体
４の内側から外方に向けて突出させ、該軸部の先端を受
枠３側の軸孔１７に係入したのち、蓋本体４の左右枠８
・９より内側に配した保持手段で該軸部を突出姿勢に保
持せきるので、組み付け使用状態において該軸部の先端
が可動であっても軸孔１７から抜け外れることもない。
かかる蓋本体４上での枢支軸１２の退入操作は、蓋本体
４と受枠３との間の狭い間隙内で枢支軸１２を退入操作
させていた従来の作業のごとき危険性、面倒な手間など
を要することなく、重量の大きい蓋本体４も受枠３上に
極めて安全かつ簡易に組みつけることができて作業性に
優れる。また、蓋本体４と受枠３との間の間隙もできる
限り小さく設定することができるため、その間へのごみ
等の介入障害も少なくて蓋本体４の円滑な開閉を保証で
きて有利である。According to the present invention, the pivot shaft 12 serving as the opening / closing fulcrum of the lid body 4 is composed of the left and right shaft portions 12a and 12b protruding outward from the left and right frames 8 and 9 of the lid body 4. ,
At least one of the shaft portions 12a and 12b is attached to the shaft hole 13 of one of the left and right frames 8 and 9 of the lid body 4 so as to be retractable. Therefore, when the lid main body 4 is assembled to the receiving frame 3, the movable shaft portion can be easily held inside the left and right frames 8 and 9 by hand from the front side or the back side of the lid main body 4 and retreat in the axial direction easily and safely. Can be operated. Next, the movable shaft portion is projected outward from the inside of the lid body 4, and the tip of the shaft portion is inserted into the shaft hole 17 on the receiving frame 3 side, and then the left and right frames 8 of the lid body 4 are inserted.
Since the shaft portion can be held in the protruding posture by the holding means disposed inside 9, the shaft portion does not come off from the shaft hole 17 even if the tip end of the shaft portion is movable in the assembled and used state.
Such a retracting operation of the pivot shaft 12 on the lid main body 4 poses a risk such as a conventional work in which the pivot supporting shaft 12 is retracted and operated within a narrow gap between the lid main body 4 and the receiving frame 3, The lid main body 4 having a large weight can be assembled on the receiving frame 3 very safely and easily without any troublesome work, and the workability is excellent. Further, since the gap between the lid body 4 and the receiving frame 3 can be set as small as possible, it is advantageous that the lid body 4 can be smoothly opened and closed with less interference of dust and the like.
〔第１実施例〕 この考案に係るます蓋の第１実施例を第１図ないし第３
図に基づき説明する。[First Embodiment] FIGS. 1 to 3 of the first embodiment of the lid according to the present invention.
A description will be given based on the figure.
第１図および第２図において、１はます穴、２はます穴
１を囲むコンクリート部、３はコンクリート部２のます
穴１の周囲上に取付けた受枠、４は受枠３に組みつけて
なる蓋本体である。In FIG. 1 and FIG. 2, 1 is a masu hole, 2 is a concrete part surrounding the masu hole 1, 3 is a receiving frame attached on the periphery of the masu hole 1 of the concrete part 2, and 4 is an assembly to the receiving frame 3. It is the lid body.
受枠３はＬ形鋼からなる左右枠３ａ・３ｂと平鋼からな
る前後枠３ｃ・３ｄとを四角形に枠組みしてなり、左右
枠３ａ・３ｂの外側にはコンクリート部２に埋設される
アンカー５を溶接等により固着してなる。The receiving frame 3 is formed by arranging the left and right frames 3a and 3b made of L-shaped steel and the front and rear frames 3c and 3d made of flat steel in a quadrangular shape, and the anchor 5 embedded in the concrete portion 2 is provided outside the left and right frames 3a and 3b. Are fixed by welding or the like.
蓋本体４はフラットバーからなる前後枠６・７と左右枠
８・９とを受枠３よりも一回り小さい四角形に枠組みす
るとともに、左右枠８・９間にフラットバーからなるメ
インバー１０を、前後枠６・７およびメインバー１０上
にツイストバーからなるクロスバー１１をそれぞれ渡し
て格子状に組んでなる。The lid main body 4 forms the front and rear frames 6 and 7 and the left and right frames 8.9, which are flat bars, into a quadrangle that is slightly smaller than the receiving frame 3, and the main bar 10, which is a flat bar, is provided between the left and right frames 8 and 9. A cross bar 11 made of a twist bar is provided on the front and rear frames 6 and 7 and the main bar 10 to form a lattice.
蓋本体４は受枠３の内部にはめ込まれて枢支軸１２まわ
りに開閉自在に枢着される。その枢支軸１２は、入れ子
式に突き合わせ接合された左右の軸部１２ａ・１２ｂか
らなって、蓋本体４の前枠６と最前列のメインバー１０
との間にそれらと平行に配し、各軸部１２ａ・１２ｂの
先端を左右枠８・９に設けた各軸孔１３・１３から外方
へ突出している。左右の軸部１２ａ・１２ｂどうしの接
合構造は、第３図に示すように一方の軸部１２ａの端に
筒体１４を固着し、この筒体１４内に他方の軸部１２ｂ
の端をばね１５を介して挿入している。一方の軸部１２
ｂにはこれを摘み易くするための操作つまみ１６を装着
している。The lid body 4 is fitted inside the receiving frame 3 and is pivotally attached to the pivot shaft 12 so as to be openable and closable. The pivot shaft 12 is composed of left and right shaft portions 12a and 12b that are butt-joined in a nesting manner, and includes a front frame 6 of the lid body 4 and a main bar 10 in the front row.
And the ends of the shafts 12a and 12b are arranged in parallel with them and project outwardly from the shaft holes 13 and 13 provided in the left and right frames 8 and 9. As shown in FIG. 3, the joint structure of the left and right shaft portions 12a and 12b has a cylindrical body 14 fixed to the end of one shaft portion 12a, and the other shaft portion 12b in the cylindrical body 14a.
Is inserted through a spring 15. One shaft part 12
An operation knob 16 is attached to b so that it can be easily picked.
一方、受枠３の左右枠３ａ・３ｂには、前記軸部１２ａ
・１２ｂの各先端が入る軸孔１７を設けている。On the other hand, the left and right frames 3a and 3b of the receiving frame 3 have the shaft portion 12a.
-A shaft hole 17 into which each tip of 12b is inserted is provided.
次に、ます蓋の取付け施工につき説明する。まず、蓋本
体４と受枠３を分離させた状態で工場から現場へ運搬す
る。現場では受枠３をます穴１のコンクリート部２に水
平に取付ける。受枠３が工場で予めコンクリート部２の
成形と同時に一体に取付けられたものである場合は、受
枠３へのコンクリート部２への取付け施工は省略され
る。次いで、蓋本体４を受枠３にはめ込むのであるが、
このはめ込みに先立ち、蓋本体４の前枠６と最前列のメ
インバー１０間より手を差し入れて枢支軸１２を摘み、
左右軸部１２ａ・１２ｂの各先端が左右枠８・９の軸孔
１３・１３内に退入するように枢支軸１２をばね１５の
力に抗して軸長を短縮させた状態の下で受枠３にはめ込
まれる。その後は、枢支軸１２はばね１５の力により軸
長を伸長し、左右の軸部１２ａ・１２ｂの各先端が軸孔
１３・１３から突出して軸孔１７・１７に挿入する枢着
状態が得られる。なお、コンクリート部２において左右
の軸部１２ａ・１２ｂの各先端に対応する箇所には予め
凹状の空隙部１８を設けてある。Next, the installation and installation of the lid will be described. First, the lid body 4 and the receiving frame 3 are separated from each other and transported from the factory to the site. At the site, the receiving frame 3 is horizontally attached to the concrete portion 2 of the hole 1. In the case where the receiving frame 3 is integrally attached in advance at the same time as the concrete part 2 is molded in the factory, the work of attaching the receiving frame 3 to the concrete part 2 is omitted. Next, the lid body 4 is fitted into the receiving frame 3,
Prior to this fitting, a hand is inserted between the front frame 6 of the lid body 4 and the main bar 10 in the front row, and the pivot shaft 12 is picked,
Under the condition that the axial length of the pivot shaft 12 is shortened against the force of the spring 15 so that the tips of the left and right shaft portions 12a and 12b retract into the shaft holes 13 and 13 of the left and right frames 8 and 9. It is fitted into the receiving frame 3 with. After that, the pivot shaft 12 extends its axial length by the force of the spring 15, and the tip ends of the left and right shaft portions 12a and 12b project from the shaft holes 13 and 13 and are inserted into the shaft holes 17 and 17, respectively. can get. It should be noted that concave portions 18 are provided in advance in the concrete portion 2 at locations corresponding to the tips of the left and right shaft portions 12a and 12b.
なお、枢支軸１２が左右の一方向に片寄ってずれ動くこ
とにより、その軸端が軸孔１７から抜け外れるのを規制
するために、両軸部１２ａ・１２ｂの外周に蓋本体４の
左右枠８・９の内面に接当する鍔１２ａ′・１２ｂ′が
取着されている。In addition, in order to prevent the shaft end of the pivot shaft 12 from slipping out of the shaft hole 17 when the pivot shaft 12 shifts in one direction in the left and right directions, the left and right sides of the lid body 4 are attached to the outer circumferences of the shaft parts 12a and 12b. Collars 12a 'and 12b' are attached to the inner surfaces of the frames 8 and 9, respectively.
このように枢支軸１２の退入操作を蓋本体４側で行うこ
とにより、その操作が安全かつ簡易に行える。また、蓋
本体４と受枠３の内面との間のクリアランスを小さく設
定しても蓋本体４の枢支軸１２による枢支連結状態が得
られることになる。By thus performing the retreat operation of the pivot 12 on the lid body 4 side, the operation can be performed safely and easily. Even if the clearance between the lid body 4 and the inner surface of the receiving frame 3 is set small, the pivotally connected state of the lid body 4 by the pivot shaft 12 can be obtained.
また、枢支軸１２は蓋本体４とは取り外すことができて
部品扱いにすることができ、施工現場での組みつけとな
る。また、枢支軸１２と蓋本体４とは溶接等で固定する
ことも不要となる。Further, the pivot shaft 12 can be detached from the lid main body 4 and can be treated as a part, and can be assembled at a construction site. Further, it is not necessary to fix the pivot shaft 12 and the lid body 4 by welding or the like.
〔第２実施例〕 第４図および第５図は本考案の第２実施例を示してお
り、蓋本体４上において、枢支軸１２の左右の軸部１２
ａ・１２ｂをＭ字形状に折り曲げてなる板ばね１９で連
結し、両軸部１２ａ・１２ｂを板ばね１９の弾性伸縮作
用を介して軸心方向に出退移動自在にしたものである。
軸部１２ａ・１２ｂと板ばね１９とは、軸部側に設けた
周溝２０に板ばね１９の両端１９ａ・１９ｂに設けた切
欠部２１・２１を係合させることにより連結される。Second Embodiment FIGS. 4 and 5 show a second embodiment of the present invention, in which the left and right shaft portions 12 of the pivot shaft 12 are provided on the lid body 4.
The a and 12b are connected by a leaf spring 19 which is bent into an M-shape, and the shaft portions 12a and 12b are movable in the axial direction by the elastic expansion and contraction of the leaf spring 19.
The shaft portions 12a and 12b and the leaf spring 19 are connected by engaging the circumferential groove 20 provided on the shaft portion side with the notches 21 and 21 provided at both ends 19a and 19b of the leaf spring 19.
〔第３実施例〕 第６図は本考案の第３実施例を示しており、枢支軸１２
の左右の軸部１２ａ・１２ｂを切り離し、蓋本体４にお
いてその一方の軸部１２ａは左枠８に突出状に固定し、
他方の軸部１２ｂのみを右枠９の軸孔１３内に対しばね
１５を介して出退移動自在に装着してなる。その可動側
の軸部１２ｂには操作つまみ１６を設けてこの出退操作
を行い易くしてある。[Third Embodiment] FIG. 6 shows a third embodiment of the present invention.
The left and right shaft portions 12a and 12b are separated, and one shaft portion 12a of the lid body 4 is fixed to the left frame 8 in a protruding shape,
Only the other shaft portion 12b is mounted in the shaft hole 13 of the right frame 9 via a spring 15 so as to be movable back and forth. The movable side shaft portion 12b is provided with an operation knob 16 to facilitate this withdrawal operation.
〔第４実施例〕 第７図は本考案の第４実施例を示しており、第３実施例
と同様に枢支軸１２の左右の軸部１２ａ・１２ｂを分離
し、蓋本体４において一方の軸部１２ａは前枠６と最前
列のメインバー１０間に渡した軸受部材２２をもって強
固に固着して左枠８から外方へ突出し、他方の軸部１２
ｂは右枠９の軸孔１３内に対し出退移動自在に装着する
が、この場合前枠６とメインバー１０との間にガイド筒
２３を筒受部材２４で固着するとともに、このガイド筒
２３に軸部１２ｂを挿通し、ガイド筒２３の周面一部に
設けた孔２５にピン２６を径方向に出し入れ自在に差し
込み、該ピン２６の先端を軸部１２ｂの周溝２７に係合
して軸部１２ｂの軸心方向の移動を規制している。使用
に際してはピン２６を孔２５から径方向外方へ移動させ
たうえで、軸部１２ｂを摘んで退入操作すればよい。[Fourth Embodiment] FIG. 7 shows a fourth embodiment of the present invention. Like the third embodiment, the left and right shaft portions 12a and 12b of the pivot shaft 12 are separated from each other, and The shaft portion 12a of the shaft 12a is firmly fixed by the bearing member 22 extending between the front frame 6 and the main bar 10 in the front row, and protrudes outward from the left frame 8;
b is mounted in the shaft hole 13 of the right frame 9 so as to be able to move in and out. In this case, the guide cylinder 23 is fixed between the front frame 6 and the main bar 10 by a cylinder receiving member 24, and 23, the shaft portion 12b is inserted, and a pin 26 is inserted in a hole 25 provided in a part of the peripheral surface of the guide cylinder 23 so as to be freely taken in and out in the radial direction, and the tip of the pin 26 is engaged with a circumferential groove 27 of the shaft portion 12b. Thus, the movement of the shaft portion 12b in the axial direction is restricted. At the time of use, the pin 26 may be moved radially outward from the hole 25, and then the shaft portion 12b may be pinched to perform the retreat operation.
第１図ないし第３図は本考案に係るます蓋の第１実施例
を示しており、第１図は平面図、第２図は第１図におけ
るＡ−Ａ線断面図、第３図は枢軸の連結部分の拡大断面
図である。 第４図および第５図は本考案の第２実施例を示してお
り、第４図は蓋本体の一部平面図、第５図は板ばねの斜
視図である。 第６図は本考案の第３実施例を示す蓋本体の一部平面図
である。 第７図は本考案の第４実施例を示す蓋本体の一部平面図
である。 第８図および第１０図は従来例のます蓋を示しており、
第８図は斜視図、第９図は取付施工状態を示す断面図、
第１０図は施工後の要部拡大断面図である。 １・・・・ます穴、 ２・・・・コンクリート部、 ３・・・・受枠、 ４・・・・蓋本体、 １２・・・枢支軸、 １７・・・軸孔。1 to 3 show a first embodiment of a lid according to the present invention. FIG. 1 is a plan view, FIG. 2 is a sectional view taken along the line AA in FIG. 1, and FIG. It is an expanded sectional view of the connecting part of a pivot. 4 and 5 show a second embodiment of the present invention. FIG. 4 is a partial plan view of the lid main body, and FIG. 5 is a perspective view of the leaf spring. FIG. 6 is a partial plan view of a lid body showing a third embodiment of the present invention. FIG. 7 is a partial plan view of a lid body showing a fourth embodiment of the present invention. Figures 8 and 10 show a conventional case lid,
FIG. 8 is a perspective view, FIG. 9 is a cross-sectional view showing a mounting and installation state,
FIG. 10 is an enlarged cross-sectional view of the essential parts after construction. 1 ... Masuto hole, 2 ... Concrete part, 3 ... Receiving frame, 4 ... Lid body, 12 ... Pivot shaft, 17 ... Axial hole.
Claims (1)
枢支軸（１２）まわりに開閉自在に枢着してなるます蓋
において、 枢支軸（１２）が左右の軸部(12a・12b)からなり、蓋本
体（４）の前端側に各軸部(12a・12b)をこれの先端が蓋
本体（４）の左右枠（８・９）に設けた各軸孔（１３・
１３）から外方に突出するよう備えていること、 受枠（３）の左右枠(3a・3b)に、前記軸部(12a・12b)の各
先端が入る軸孔（１７・１７）を設けてあること、 両軸部(12a・12b)の少なくとも一方を蓋本体（４）の左
右枠（８・９）の一方の軸孔（１３）に対して、出退移
動自在に装着してあること、 この可動軸部をこれの先端が受枠（３）側の軸孔（１
７）に係入する突出姿勢に保持する手段が、蓋本体
（４）の左右枠（８・９）より内側に設けられているこ
とを特徴とするます蓋。1. In a lid formed by fitting a lid main body (4) into a receiving frame (3) and pivotably attaching the lid main body (4) around a pivot shaft (12), the pivot shaft (12) has left and right shaft portions. (12a / 12b), each shaft portion (12a / 12b) is provided on the front end side of the lid body (4), and the tip of each shaft portion (12a / 12b) is provided on each of the left and right frames (8.9) of the lid body (4) ( 13.
13) Provided so as to project outward from the receiving frame (3), the left and right frames (3a, 3b) are provided with shaft holes (17, 17) into which the tips of the shafts (12a, 12b) are inserted. That is, at least one of both shaft portions (12a, 12b) is attached to the shaft hole (13) of the left and right frames (8, 9) of the lid body (4) so as to be able to move back and forth. That is, the tip of the movable shaft is attached to the shaft hole (1) on the side of the receiving frame (3).
The lid having means for retaining the protruding posture for engaging with 7) is provided inside the left and right frames (8, 9) of the lid body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987094256U JPH061660Y2 (en) | 1987-06-18 | 1987-06-18 | Masu lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987094256U JPH061660Y2 (en) | 1987-06-18 | 1987-06-18 | Masu lid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS64692U JPS64692U (en) | 1989-01-05 |
| JPH061660Y2 true JPH061660Y2 (en) | 1994-01-12 |
Family
ID=30957543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987094256U Expired - Lifetime JPH061660Y2 (en) | 1987-06-18 | 1987-06-18 | Masu lid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH061660Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4527013B2 (en) * | 2005-06-27 | 2010-08-18 | 株式会社ダイクレ | Groove cover |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS608779U (en) * | 1983-06-27 | 1985-01-22 | 石田 昭三 | box cover |
-
1987
- 1987-06-18 JP JP1987094256U patent/JPH061660Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS64692U (en) | 1989-01-05 |
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