JPH0965U - Underground structure lid - Google Patents
Underground structure lidInfo
- Publication number
- JPH0965U JPH0965U JP004563U JP456396U JPH0965U JP H0965 U JPH0965 U JP H0965U JP 004563 U JP004563 U JP 004563U JP 456396 U JP456396 U JP 456396U JP H0965 U JPH0965 U JP H0965U
- Authority
- JP
- Japan
- Prior art keywords
- receiving frame
- lid
- underground structure
- main body
- cylindrical body
- 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
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
(57)【要約】
【課題】 除雪車のブレードが容易に通過可能であって
積雪地帯に設置しても障害が発生しない地下構造物用蓋
を提供する。
【解決手段】 受枠に該当する内筒体３の上縁に外方に
向って下り傾斜する滑らかな曲面状の緩衝部１５と、受
枠の支持部１８の上端に幅狭の傾斜面２０とを形成し、
また蓋本体１７はその上面が受枠上面より低い状態で支
持されるようにした。
(57) [Problem] To provide a cover for an underground structure through which a blade of a snowplow can easily pass and which does not cause an obstacle even when installed in a snow-covered area. SOLUTION: A smooth curved buffer portion 15 inclined downward and outward at an upper edge of an inner cylindrical body 3 corresponding to a receiving frame, and a narrow inclined surface 20 at an upper end of a supporting portion 18 of the receiving frame. Forming
Further, the lid main body 17 is supported such that its upper surface is lower than the upper surface of the receiving frame.
Description
【０００１】[0001]
この考案は、蓋本体と、該蓋本体を嵌合支持する支持部を有した受枠とからな る地下構造物用蓋に関し、特に、積雪地帯において障害が発生しない地下構造物 用蓋に関するものである。 The present invention relates to a lid for an underground structure, which includes a lid body and a receiving frame having a support portion that fits and supports the lid body, and more particularly to a lid for an underground structure that does not cause an obstacle in a snowy area. is there.
【０００２】[0002]
周知のように、上水道や都市ガスなどにおいては、地中に敷設される配管の途 中に仕切弁等の各種弁体を設け、この弁体を土圧や通行車両の荷重から保護する と共に地上からの操作を可能とするために、弁体の上部に蓋本体と該蓋本体を支 持する受枠とからなる地下構造物用蓋を設けている。 As is well known, for waterworks, city gas, etc., various valve elements such as sluice valves are installed in the middle of pipes laid underground, and these valve elements are protected from earth pressure and the load of passing vehicles as well as above ground. In order to enable the operation from the above, an underground structure lid including a lid main body and a receiving frame supporting the lid main body is provided above the valve body.
【０００３】[0003]
しかしながら、従来の地下構造物用蓋にあっては、受枠の上端部分が路面から 突出した状態、あるいは蓋本体が多少傾いて嵌合されたり、受枠が変形して蓋本 体が多少浮き上がった状態になった場合、冬期の積雪時に除雪車のブレードを受 枠の周縁に引っ掛けて、受枠を破損したり、あるいは蓋本体の側周面に衝突して 、蓋本体を破損する等の問題が発生している。 本考案は上記に鑑み提案されたもので、除雪車のブレードが容易に通過可能で あって積雪地帯に設置しても障害が発生しない地下構造物用蓋を提供することを 目的とする。 However, in the case of conventional lids for underground structures, the upper end of the receiving frame projects from the road surface, or the lid body is slightly tilted when fitted, or the receiving frame is deformed and the lid body is slightly raised. In the event of a snowfall in winter, the blade of the snowplow will be caught on the periphery of the receiving frame and the receiving frame will be damaged, or it will collide with the side peripheral surface of the lid body and damage the lid body. are doing. The present invention has been proposed in view of the above, and an object of the present invention is to provide a lid for an underground structure that allows a blade of a snowplow to easily pass therethrough without causing any obstacle even when installed in a snowy area.
【０００４】[0004]
上記の課題を解決するために、本考案は、蓋本体と、該蓋本体を嵌合支持する 支持部を有した受枠とからなる地下構造物用蓋において、前記受枠の上縁に外方 に向って下り傾斜する滑らかな曲面状の緩衝部を形成し、または前記受枠の支持 部の上端に幅狭の傾斜面を形成し、もしくは前記受枠の上縁に外方に向って下り 傾斜する滑らかな曲面状の緩衝部と前記受枠の支持部の上端に幅狭の傾斜面とを 形成している。そして、前記蓋本体はその上面が受枠上面より低い状態で支持さ れるようにしている。 In order to solve the above problems, the present invention provides a lid for an underground structure, which comprises a lid main body and a receiving frame having a supporting portion for fitting and supporting the lid main body. Form a smooth curved buffer part that inclines downwardly, or form a narrow inclined surface at the upper end of the support part of the receiving frame, or smooth an outward downward inclination in the upper edge of the receiving frame. A curved buffer portion and a narrow inclined surface are formed at the upper end of the support portion of the receiving frame. The lid body is supported with its upper surface lower than the receiving frame upper surface.
【０００５】[0005]
受枠の上縁に形成した緩衝部は、外方に向って下り傾斜する曲面状をしており 、それによって、通過する除雪車のブレードをスムーズに受枠の上面に誘導して 受枠に衝撃が加わることを防止する。また、受枠の支持部の上端に設けた幅狭の 傾斜面は、それによって、蓋本体の上面を通過する除雪車のブレードを、再度、 スムーズに受枠の上面に誘導して受枠に衝撃が加わることを防止する。さらに、 蓋本体の上面を受枠上面より低い状態で支持させた場合、蓋本体が多少傾いて嵌 合されたり、受枠が変形して多少浮き上がり状態となった場合でも、除雪車のブ レード等が蓋本体に衝突するのを防止する。 The cushioning part formed on the upper edge of the receiving frame has a curved surface that slopes downward toward the outside, which allows the blades of the passing snow plow to be smoothly guided to the upper surface of the receiving frame and shock is applied to the receiving frame. Prevent that. Further, the narrow inclined surface provided on the upper end of the support portion of the receiving frame thereby smoothly guides the blade of the snowplow passing through the upper surface of the lid main body to the upper surface of the receiving frame again to apply an impact to the receiving frame. Prevent that. Furthermore, if the upper surface of the lid body is supported lower than the upper surface of the receiving frame, even if the lid body is fitted with a slight tilt or the receiving frame is deformed and slightly lifted, the blade of the snowplow will not be removed. Prevents collision with the lid body.
【０００６】[0006]
以下、本考案の実施例を図面を参照して説明する。本考案の地下構造物用蓋は 、蓋本体と、該蓋本体を嵌合支持する支持部を有した受枠とからなり、図示の実 施例においては、外周面のほゞ全長が垂直な円筒状で上下端が解放する外筒体２ と、該外筒体２の内部に螺合する内筒体３とからなる筐体１が、本考案にいう受 枠に該当する。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. The lid for an underground structure of the present invention comprises a lid main body and a receiving frame having a supporting portion for fitting and supporting the lid main body. In the illustrated embodiment, the outer peripheral surface has a substantially vertical cylinder. The casing 1 composed of the outer cylindrical body 2 whose upper and lower ends are open and the inner cylindrical body 3 screwed into the outer cylindrical body 2 corresponds to the receiving frame referred to in the present invention.
【０００７】 上記外筒体２の内周面にはピッチの粗い雌ネジ部４を隆設する。また、内周面 の一部には、ネジ山のない切欠部分５を軸方向に設けて、土砂排出部とする。従 って、内筒体３と外筒体２との間に土砂等が侵入した場合に、内筒体３を回転さ せることにより、上記切欠部分５から土砂を排出することができる。また、外筒 体２の下縁には、下桝体Ｐの上面部に安定して載置できるように、内周方向に延 出する載置部６を形成し、該載置部６の内縁を下桝体Ｐの内周面に密接するよう に垂下させて外筒体２の横ずれを防止するストッパー部７を形成する。尚、図示 の実施例では、外筒体２の下縁を内周方向に延出させて載置部６を形成している が、この載置部６は外周方向に設けてもよいし、上記載置部６に止着孔を開設し てボルトを通して下枠体Ｐに固定するようにすることもできる。On the inner peripheral surface of the outer cylinder body 2, a female screw portion 4 having a coarse pitch is provided so as to be raised. In addition, a notched portion 5 having no thread is provided in a part of the inner peripheral surface in the axial direction to serve as a sediment discharging portion. Therefore, when soil or the like enters between the inner tubular body 3 and the outer tubular body 2, the inner tubular body 3 can be rotated to discharge the earth and sand from the cutout portion 5. Further, a mounting portion 6 extending in the inner circumferential direction is formed at the lower edge of the outer cylindrical body 2 so that the mounting portion 6 can be stably mounted on the upper surface portion of the lower rod P, and the mounting portion 6 A stopper portion 7 for preventing lateral displacement of the outer cylindrical body 2 is formed by suspending the inner edge of the lower cylindrical body P so as to be in close contact with the inner peripheral surface thereof. In the illustrated embodiment, the lower edge of the outer cylindrical body 2 is extended in the inner peripheral direction to form the mounting portion 6, but the mounting portion 6 may be provided in the outer peripheral direction. It is also possible to form a fastening hole in the mounting portion 6 and fix it to the lower frame P through a bolt.
【０００８】 一方、内筒体３の外周面下方には上記外筒体２の雌ネジ部４に螺合するピッチ の粗い雄ネジ部８を隆設する。尚、この雄ネジ部８は内筒体３の下方部分にのみ 数ピッチ分隆設すれば足りる。そして、上記雄ネジ部８に対応する内筒体３の内 周面には、嵩調整完了後に当該内筒体３を外筒体２に固定するための固定装置９ を設ける。この固定装置９は内筒体３の内面に隆設した断面コ字状の支持枠１０ の内部にナット１１を止着し、この支持枠１０に開設した通孔１２にボルト１３ を通して上記ナット１１に螺合し、該ボルト１３の先端を支持枠１０の外面側の 凹部１４から内筒体３の外方に突出可能にしたものである。尚、図示の実施例に おいては、固定装置９を１２０度間隔で３箇所に設けているが、この固定装置９ は、２箇所でもよいし４箇所以上設けることも可能である。On the other hand, below the outer peripheral surface of the inner cylindrical body 3, a male screw portion 8 having a coarse pitch is screwed up so as to be screwed into the female screw portion 4 of the outer cylindrical body 2. It should be noted that the male screw portion 8 only needs to be provided on the lower portion of the inner cylindrical body 3 by several pitches. Then, a fixing device 9 for fixing the inner cylindrical body 3 to the outer cylindrical body 2 after the bulk adjustment is completed is provided on the inner peripheral surface of the inner cylindrical body 3 corresponding to the male screw portion 8. The fixing device 9 has a nut 11 fixed to the inside of a support frame 10 having a U-shaped cross section which is bulged on the inner surface of the inner cylinder 3, and a bolt 13 is passed through a through hole 12 formed in the support frame 10 to provide the nut 11. The tip of the bolt 13 can be projected to the outside of the inner cylindrical body 3 from the recess 14 on the outer surface side of the support frame 10. In the illustrated embodiment, the fixing devices 9 are provided at three positions at 120 ° intervals, but the fixing devices 9 may be provided at two positions or at four or more positions.
【０００９】 そして、本考案の受枠に該当する図示の実施例の内筒体３の上縁には、外方向 に向って下り傾斜する滑らかな曲面状の緩衝部１５を形成し、該緩衝部１５を介 して内周方向に向って延出するフランジ部１６を設け、該フランジ部１６の内縁 から後述する蓋本体１７を嵌合支持するための支持部１８を構成する傾斜嵌合部 １９を下向きに延設する。A buffer portion 15 having a smooth curved surface is formed at the upper edge of the inner cylindrical body 3 of the illustrated embodiment corresponding to the receiving frame of the present invention, and is slanted downward toward the outside. A tilted fitting portion 19 is provided which is provided with a flange portion 16 extending inward in the inner peripheral direction via 15 and constitutes a support portion 18 for fitting and supporting a lid body 17 described later from the inner edge of the flange portion 16. Extend downwards.
【００１０】 従って、本考案において、上記緩衝部１５は、筺体１の上を車両が通過する場 合に、車両をスムーズに筺体１の上面に誘導して筺体１に衝撃が加わることを防 止する。また、除雪車のブレードに関しても同様にスムーズに誘導して筺体１に 衝撃が加わることを防止する。Therefore, in the present invention, when the vehicle passes over the housing 1, the shock-absorbing portion 15 smoothly guides the vehicle to the upper surface of the housing 1 and prevents the housing 1 from being impacted. To do. Similarly, the blades of the snow plow are similarly smoothly guided to prevent the chassis 1 from being impacted.
【００１１】 また、上記フランジ部１６と傾斜嵌合部１９との角部、即ち支持部１８の上端 には、内周方向に約４５度の傾斜角度で下り傾斜する幅狭の傾斜面２０を設け、 この傾斜面２０から急勾配の上記傾斜嵌合部１９の内周面が続く。Further, at the corner between the flange portion 16 and the slant fitting portion 19, that is, at the upper end of the supporting portion 18, a narrow slant surface 20 is slanted downward at an inclining angle of about 45 degrees in the inner circumferential direction. The sloped surface 20 is followed by the inner peripheral surface of the sloped fitting portion 19 having a steep slope.
【００１２】 そして、上記傾斜嵌合部１９の下縁からは鍔状の支持片２１をほゞ水平方向に 延出させて蓋本体１７の支持部１８を形成する。この支持片２１は、蓋本体１７ を傾斜嵌合部１９に嵌合した場合に、蓋本体１７の上面が内筒体３の傾斜面２０ よりも僅かに下方に位置するように設ける。即ち、支持部１８で嵌合支持された 蓋本体１７が受枠の上端から突出しないように設定するのである。尚、図示の実 施例においては、支持部１８には複数の支持片２１…を設けてあり、一つ支持片 ２１′を大きく張り出して蝶番受部２２を形成し、該蝶番受部２２には後述する 蓋本体１７に設けた蝶番部材２３を挿通させる開口部２４を開設する。Then, a brim-shaped support piece 21 is extended from the lower edge of the inclined fitting portion 19 in a substantially horizontal direction to form a support portion 18 of the lid body 17. The support piece 21 is provided so that the upper surface of the lid body 17 is slightly lower than the inclined surface 20 of the inner cylinder 3 when the lid body 17 is fitted in the inclined fitting portion 19. That is, the lid body 17 fitted and supported by the support portion 18 is set so as not to project from the upper end of the receiving frame. In the illustrated embodiment, the support portion 18 is provided with a plurality of support pieces 21 ..., and one support piece 21 'is largely extended to form a hinge receiving portion 22, and the hinge receiving portion 22 is provided with the hinge receiving portion 22. Opens an opening 24 through which a hinge member 23 provided in a lid body 17 described later is inserted.
【００１３】 また、上記フランジ部１６の下面には、当該フランジ部１６の下面１６′と傾 斜嵌合部１９の外周面１９′と内筒体３の内周面とを連絡する補強用のリブ２５ を放射方向に適宜、例えば６０度毎に６箇所設ける。このリブ２５によって内筒 体３の強度は上記したフランジ部１６の構成と相俟って著しく向上する。Further, the lower surface of the flange portion 16 is for reinforcement that connects the lower surface 16 ′ of the flange portion 16, the outer peripheral surface 19 ′ of the tilt fitting portion 19 and the inner peripheral surface of the inner cylindrical body 3. The ribs 25 are appropriately provided in the radial direction at six positions, for example, every 60 degrees. By virtue of the ribs 25, the strength of the inner cylinder 3 is significantly improved in combination with the structure of the flange portion 16 described above.
【００１４】 尚、上記したフランジ部１６の上面には滑止め或いは装飾のための小突起２６ や色標示を設けることもできる。It should be noted that the upper surface of the flange portion 16 may be provided with small protrusions 26 or color markings for non-slip or decoration.
【００１５】 一方、蓋本体１７は、上記傾斜嵌合部１９の内周面に対応する側周面を有する と共に、下面の周縁部分の一部に蝶番部材２３が設けてある。従って、蝶番部材 ２３を内筒体３に形成した蝶番受部２２の開口部２４に挿入すると共に、蓋本体 １７を傾斜嵌合部１９に嵌合させると、内筒体３の上面を閉止することができる 。また、上記蝶番部材２３を支点にして蓋本体１７を反転させれば、内筒体３の 上面を開放することができ、筺体１内部に収設した仕切弁等（図示せず）を操作 点検することができる。尚、蓋本体１７を閉鎖した場合に、当該蓋本体１７の上 面が内筒体３の傾斜面２０よりも僅かに下方に位置して、蓋本体１７の上面が内 筒体３のフランジ部１６から突出することがないので、蓋本体１７が多少傾いて 嵌合されたり、内筒体３が変形して蓋本体１７が多少浮き上り状態となった状態 にあっても、除雪車のブレード等が衝突して蓋本体１７が破損する恐れがない。On the other hand, the lid main body 17 has a side peripheral surface corresponding to the inner peripheral surface of the inclined fitting portion 19, and a hinge member 23 is provided on a part of the peripheral portion of the lower surface. Therefore, when the hinge member 23 is inserted into the opening 24 of the hinge receiving portion 22 formed in the inner cylindrical body 3 and the lid body 17 is fitted into the inclined fitting portion 19, the upper surface of the inner cylindrical body 3 is closed. be able to . If the lid body 17 is turned upside down using the hinge member 23 as a fulcrum, the upper surface of the inner cylindrical body 3 can be opened, and a sluice valve (not shown) housed inside the housing 1 can be operated and inspected. can do. When the lid main body 17 is closed, the upper surface of the lid main body 17 is located slightly below the inclined surface 20 of the inner cylindrical body 3, and the upper surface of the lid main body 17 is the flange portion of the inner cylindrical body 3. Since it does not protrude from 16, even if the lid body 17 is fitted with a slight inclination or the inner cylinder body 3 is deformed and the lid body 17 is in a slightly raised state, the blade of the snowplow vehicle There is no risk that the lid body 17 will be damaged due to collision with the like.
【００１６】 本考案に係る地下構造物用蓋における筺体１は上記した構成であって、地中に 設置する前には、外筒体２の内部に内筒体３を収納し、雄ネジ部８を雌ネジ部４ に螺合させ、またボルト１３の先端を内筒体３の外面に突出しないようにしてお く。尚、外筒雌ネジ部４の下端部分に係止部（図示せず）を設けておけば、雄ネ ジ部８の下端が係止部に当接するとそれ以上回らないので、内筒体３が外筒部の 下方に外れることがない。また、外筒体２の上縁にゴムや合成樹脂等からなる土 砂侵入防止リング２７を嵌着して、外筒体２と内筒体３の隙間から雌ネジ部４と 雄ネジ部８の螺合部分に土砂が侵入することを防止するようにしてもよい。The housing 1 of the lid for an underground structure according to the present invention has the above-described configuration, and the inner cylindrical body 3 is housed inside the outer cylindrical body 2 before being installed in the ground, and the male screw part 8 is screwed into the female screw portion 4, and the tip of the bolt 13 is prevented from protruding to the outer surface of the inner cylindrical body 3. If a locking portion (not shown) is provided at the lower end portion of the female screw portion 4 of the outer cylinder, if the lower end of the male portion 8 comes into contact with the locking portion, it will not rotate any further. 3 does not come off below the outer cylinder. Further, a sand / sand intrusion prevention ring 27 made of rubber, synthetic resin, or the like is fitted to the upper edge of the outer tubular body 2 so that the female screw portion 4 and the male screw portion 8 are inserted through the gap between the outer tubular body 2 and the inner tubular body 3. Sediment may be prevented from entering the screwed portion.
【００１７】 上記した筺体１を地中に設置するには、地表面から地中に縦孔を掘り、ほぼ所 望の高さになるように下桝体Ｐ…を積層し、上段に位置する下桝体Ｐ′の上面に 内筒体３を収納した外筒体２を載置し、内筒体３を回転して雌ネジ部４と雄ネジ 部８とにより筺体１の上面が地表面に臨むように嵩調整し、固定装置９のボルト １３を回して先端を内筒体３から突出させ、該ボルト１３の先端を外筒体２の内 面に圧接させて固定する。従って、外筒体２と内筒体３とが一体状になり、内筒 体３が微動して上下動したり、ガタツキが発生することがない。そして、下桝体 Ｐ及び外筒体２の外周を埋め戻すと共に、外筒体２の周囲に土砂や舗装材等を充 填して充分に転圧する。尚、外筒体２の外周面等に把手を設けておけば、運搬や 設置作業が容易になる。In order to install the above-mentioned housing 1 in the ground, a vertical hole is dug from the ground surface into the ground, the lower walls P ... The outer cylinder body 2 accommodating the inner cylinder body 3 is placed on the upper surface of the lower container P ′, and the inner cylinder body 3 is rotated to make the upper surface of the housing 1 by the female screw portion 4 and the male screw portion 8 the ground surface. The bolt 13 of the fixing device 9 is rotated to project the tip from the inner cylindrical body 3, and the tip of the bolt 13 is pressed against and fixed to the inner surface of the outer cylindrical body 2. Therefore, the outer tubular body 2 and the inner tubular body 3 are integrated, and the inner tubular body 3 does not slightly move and move up and down, and rattling does not occur. Then, the outer circumference of the lower container P and the outer cylindrical body 2 is backfilled, and the periphery of the outer cylindrical body 2 is filled with earth and sand, paving material, etc., and sufficiently compacted. In addition, if a handle is provided on the outer peripheral surface of the outer cylindrical body 2, the transportation and the installation work can be facilitated.
【００１８】 上記のようにして設置した筺体１において、年月が経過して舗装面が摩耗して 下がったり、地盤沈下によって受枠即ち筺体１が相対的に上昇し、筺体１の上部 が地表面から多少突出する状態になり、車両が通過したり除雪車が筺体１に乗り 上げる場合に、車両はフランジ部１６の外縁に設けた緩やかな曲面を有する緩衝 部１５からフランジ部１６にスムーズに乗り上げる。従って、筺体１に衝撃が加 わることがないし、除雪車のブレードは、筺体１の上面をなめるようにして逃げ ることができる。また、受枠の上端から蓋本体１７が突出しないように設定して あるので、除雪車のブレードが蓋本体１７に引っ掛かることもない。In the housing 1 installed as described above, the pavement surface is worn down due to the passage of time, or the subsidence causes the receiving frame, that is, the housing 1 to relatively rise, and the upper part of the housing 1 is the ground surface. When the vehicle passes through or the snowplow rides on the housing 1, the vehicle smoothly rides on the flange portion 16 from the buffer portion 15 provided on the outer edge of the flange portion 16 and having a gently curved surface. . Therefore, no impact is applied to the housing 1, and the blades of the snow removal vehicle can escape by licking the upper surface of the housing 1. Further, since the lid body 17 is set so as not to project from the upper end of the receiving frame, the blade of the snow removal vehicle is not caught on the lid body 17.
【００１９】 更に、図示の実施例によれば、道路面の補修などで蓋本体１７の位置を嵩上げ したり、または嵩下げする場合には、固定装置９のボルト１３を緩め、内筒体３ を回転して蓋本体１７が所望の高さになったらボルト１３を締め付ければよい。 この場合、本実施例においては、内筒体３を回転させるので土砂等が内筒体３と 外筒体２との隙間に残存しないことと相俟って、内筒体を容易に嵩上げ、嵩下げ することができる。Furthermore, according to the illustrated embodiment, when the position of the lid body 17 is raised or lowered for repairing the road surface, the bolts 13 of the fixing device 9 are loosened and the inner cylinder 3 When the lid main body 17 reaches a desired height by rotating, the bolt 13 may be tightened. In this case, in the present embodiment, since the inner cylinder 3 is rotated, earth and sand and the like do not remain in the gap between the inner cylinder 3 and the outer cylinder 2, and the inner cylinder is easily raised, It can be lowered.
【００２０】 以上、本考案を図面の実施例について説明したが、本考案は上記した実施例に 限定されるものではなく、実用新案登録請求の範囲に記載した構成を変更しない 限り適宜に実施できる。例えば、図示の実施例では、受枠を互に螺合する内筒体 と外筒体とで構成しているが、受枠を一般的な筒体により構成してもよい。Although the present invention has been described with reference to the embodiments of the drawings, the present invention is not limited to the above-described embodiments, and can be appropriately implemented unless the configuration described in the claims for utility model is changed. . For example, in the illustrated embodiment, the receiving frame is composed of an inner cylindrical body and an outer cylindrical body screwed with each other, but the receiving frame may be composed of a general cylindrical body.
【００２１】[0021]
以上要するに本考案は、蓋本体と、該蓋本体を嵌合支持する支持部を有した受 枠とからなる地下構造物用蓋において、前記受枠の上縁に、外方に向って下り傾 斜する滑らかな曲面状の緩衝部を形成しているので、通過する除雪車のブレード をスムーズに受枠の上面に誘導して受枠に衝撃が加わることを防止することがで き、また、前記受枠の支持部の上端に幅狭の傾斜面を形成しているので、蓋本体 の上面を通過する除雪車のブレードを、再度、スムーズに受枠の上面に誘導して 受枠に衝撃が加わることを防止することができ、さらに、前記受枠の上縁に外方 に向って下り傾斜する滑らかな曲面状の緩衝部と前記受枠の支持部の上端に幅狭 の傾斜面とを形成しているので、蓋本体の上面を受枠上面より低い状態で支持さ せた場合、蓋本体が多少傾いて嵌合されたり、受枠が変形して多少浮き上がり状 態となった場合でも、除雪車のブレード等が蓋本体に衝突するのを防止する。 In summary, the present invention relates to an underground structure lid including a lid main body and a receiving frame having a support portion that fits and supports the lid main body, and is inclined downward toward the upper edge of the receiving frame. Since a smooth curved buffer portion is formed, it is possible to smoothly guide the blades of the passing snow plow to the upper surface of the receiving frame and prevent the receiving frame from being impacted. Since a narrow inclined surface is formed at the upper end of the support part, the blade of the snow removal vehicle that passes over the upper surface of the lid body is smoothly guided to the upper surface of the receiving frame again to prevent impact on the receiving frame. Further, since a smooth curved buffer portion that slopes downward toward the outside is formed at the upper edge of the receiving frame, and a narrow inclined surface is formed at the upper end of the supporting portion of the receiving frame, the lid is formed. If the upper surface of the main unit is supported lower than the upper surface of the receiving frame, There or fitted slightly tilted, even when the receiving frame is somewhat lifted shaped purposely deformed, the blade or the like of the snowplow is prevented from colliding with the lid body.
【図１】筺体の一部欠截正面図である。FIG. 1 is a partially cutaway front view of a housing.
【図２】下半部分を断面にした平面図である。FIG. 2 is a plan view showing a lower half portion in cross section.
【図３】内筒体の下方部分の正面図である。FIG. 3 is a front view of a lower portion of the inner cylinder.
【図４】外筒体に内筒体を収納して固定すると共に蓋本
体を嵌合した状態の縦断面図である。FIG. 4 is a longitudinal sectional view showing a state in which an inner cylinder is housed and fixed in an outer cylinder and a lid body is fitted.
【図５】地中に設置した状態の一部欠截説明図である。FIG. 5 is a partially cutaway explanatory view of a state of being installed underground.
１ 筺体（受枠） ２ 外筒体（受枠） ３ 内筒体（受枠） １５ 緩衝部 １６ フランジ部 １７ 蓋本体 １８ 支持部 １９ 傾斜嵌合部 ２０ 傾斜面 ２１ 支持片 DESCRIPTION OF SYMBOLS 1 Housing (reception frame) 2 Outer cylinder (reception frame) 3 Inner cylinder (reception frame) 15 Buffer part 16 Flange part 17 Lid body 18 Support part 19 Inclined fitting part 20 Inclined surface 21 Support piece
Claims (5)
部を有した受枠とからなる地下構造物用蓋において、 前記受枠の上縁に、外方に向って下り傾斜する滑らかな
曲面状の緩衝部を形成したことを特徴とする地下構造物
用蓋。1. An underground structure lid comprising a lid main body and a receiving frame having a support portion for fitting and supporting the lid main body, wherein the upper edge of the receiving frame has a smooth, downwardly sloped outward edge. A lid for an underground structure, wherein a curved buffer portion is formed.
部を有した受枠とからなる地下構造物用蓋において、 前記受枠の支持部の上端に幅狭の傾斜面を形成したこと
を特徴とする地下構造物用蓋。2. An underground structure lid comprising a lid main body and a receiving frame having a supporting portion for fitting and supporting the lid main body, wherein a narrow inclined surface is formed at an upper end of the supporting portion of the receiving frame. A lid for an underground structure, characterized in that:
を形成したことを特徴とする請求項１に記載の地下構造
物用蓋。3. The underground structure cover according to claim 1, wherein a narrow slope is formed at an upper end of the support portion of the receiving frame.
部を有した受枠とからなる地下構造物用蓋において、 前記蓋本体はその上面が受枠上面より低い状態で支持さ
れていることを特徴とする地下構造物用蓋。4. An underground structure lid comprising a lid main body and a receiving frame having a support portion for fitting and supporting the lid main body, wherein the lid main body is supported with its upper surface being lower than the upper surface of the receiving frame. A lid for underground structures.
い状態で支持されていることを特徴とする請求項１乃至
３に記載の地下構造物用蓋。5. The underground structure cover according to claim 1, wherein the cover body is supported with its upper surface being lower than the upper surface of a receiving frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP004563U JPH0965U (en) | 1996-04-30 | 1996-04-30 | Underground structure lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP004563U JPH0965U (en) | 1996-04-30 | 1996-04-30 | Underground structure lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0965U true JPH0965U (en) | 1997-01-28 |
Family
ID=18526985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP004563U Pending JPH0965U (en) | 1996-04-30 | 1996-04-30 | Underground structure lid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0965U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5621039B2 (en) * | 1972-11-29 | 1981-05-16 | ||
| JPS595653B2 (en) * | 1980-03-31 | 1984-02-06 | 住友金属工業株式会社 | Manufacturing method of vibration damping steel plate for processing |
-
1996
- 1996-04-30 JP JP004563U patent/JPH0965U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5621039B2 (en) * | 1972-11-29 | 1981-05-16 | ||
| JPS595653B2 (en) * | 1980-03-31 | 1984-02-06 | 住友金属工業株式会社 | Manufacturing method of vibration damping steel plate for processing |
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