JP3828668B2 - Marked lid - Google Patents

Marked lid Download PDF

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Publication number
JP3828668B2
JP3828668B2 JP26354998A JP26354998A JP3828668B2 JP 3828668 B2 JP3828668 B2 JP 3828668B2 JP 26354998 A JP26354998 A JP 26354998A JP 26354998 A JP26354998 A JP 26354998A JP 3828668 B2 JP3828668 B2 JP 3828668B2
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JP
Japan
Prior art keywords
lid
mark
mark plate
locking
plate
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
Application number
JP26354998A
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Japanese (ja)
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JP2000096591A (en
Inventor
賢士 嶋津
敏 水上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Plastics Inc
Original Assignee
Mitsubishi Plastics Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Plastics Inc filed Critical Mitsubishi Plastics Inc
Priority to JP26354998A priority Critical patent/JP3828668B2/en
Publication of JP2000096591A publication Critical patent/JP2000096591A/en
Application granted granted Critical
Publication of JP3828668B2 publication Critical patent/JP3828668B2/en
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Description

【０００１】
【発明の属する技術分野】
本発明は、マーク付き蓋体に関し、詳しくは、表面の所定位置に各種表示を有するマーク板を装着したマンホール蓋や溝蓋等のマーク付き蓋体に関する。
【０００２】
【従来の技術】
ガス，下水道等に設けられるマンホール蓋や溝蓋等には、自治体名やガス，下水道等の種別を表示したマークが施されている。このようなマークを蓋体に施す手段として、例えば、特許第２５９８３１３号公報に記載されているように、表面に設けた凹部にマーク板（マークプレート）を嵌入し、該マーク板の裏面に充填材を注入固化して固着する方法が知られている。
【０００３】
【発明が解決しようとする課題】
しかし、上述のように、充填材や接着剤を使用してマーク板を蓋板の凹部に固着する場合は、充填材等が必要であるだけでなく、充填材等を注入あるいは塗布する必要があり、工数が多く、製作コストも高くなるという欠点があった。また、マーク板を蓋板の凹部に嵌合させて固着するものでは、両者の寸法精度を高めなければならず、この場合も製作コストの上昇原因となる。
【０００４】
そこで本発明は、製作が容易で、蓋板へのマーク板の装着も簡単に行うことができるマーク付き蓋体を提供することを目的としている。
【０００５】
【課題を解決するための手段】
上記目的を達成するため、本発明のマーク付き蓋体は、表面の所定位置に設けた凹部内にマーク板を装着したマーク付き蓋体において、前記マーク板の裏面に、先端に係止段部を有する係止片を突設するとともに、裏面一側方に凹溝を設け、一方、前記凹部の底板部に前記係止片が挿通するとともに、前記係止段部が係止する係止部を有する通孔を設け、かつ、底板部の上面に前記凹溝に係合する凸条を設けたことを特徴としている。
【０００６】
【発明の実施の形態】
図は本発明のマーク付き蓋体の一形態例を示すもので、図１は縦断面図、図２は底面図、図３は底面側から見たマーク板の斜視図である。
【０００７】
このマーク付き蓋体は、蓋本体１１の表面側所定位置に設けられた凹部１２に、凹部１２の形状に対応した形状のマーク板２１を装着したものであり、蓋本体１１とマーク板２１とは、マーク板２１の裏面に突設した２個の係止片２２が、凹部１２の底板部１３に係止することにより固着されている。
【０００８】
前記係止片２２は、先端（下端）から側方に突出した係止段部２３を有する鉤状のものであって、弾性変形が可能な形状で形成されている。また、マーク板２１の裏面と係止段部２３の上面との距離は、凹部１２の底板部１３の厚さと略同じ寸法に設定されている。
【０００９】
前記凹部１２の底板部１３には、前記係止段部２３を含む係止片２２が挿通可能な開口面積を有する通孔１４が設けられており、その位置は、前記係止段部２３の突出端が通孔１４の側壁に当接することにより、係止片２２が反係止段部方向に弾性変形し、係止段部２３が通孔１４を通過したときに、係止片２２の復元力により係止段部２３が底板部１３の裏面に係止するように設定されている。
【００１０】
したがって、蓋本体１１へのマーク板２１の装着は、通孔１４と係止片２２との位置を合わせた状態で、マーク板２１を蓋本体１１側に押し付けるだけで行うことができる。また、マーク板２１を凹部１２内に嵌合させるもののように寸法精度を高める必要がないので製作も容易である。
【００１１】
さらに、マーク板２１の裏面と底板部１３の上面とに、互いに係合する凹凸部、例えば、図に示すように、マーク板２１の裏面一側方に凹溝２４を設けるとともに、底板部１３の上面に前記凹溝２４に係合する凸条１５を設けておくことにより、蓋本体１１とマーク板２１との位置合わせを確実に行うことができる。しかも、使用中にマーク板２１に大きな外力が加わっても、凹溝２４と凸条１５との係合によってマーク板２１を所定位置に保持しておくことができるので、係止片２２に外力が作用することがなく、係止片２２が破損したり、マーク板２１が外れたりすることを防止できる。
【００１２】
また、マーク板２１の裏面と底板部１３の上面との間に、Ｏリングのようなシール材１６を設けておくことにより、その弾発力で係止段部２３の係止状態をより確実にできるとともに、マーク板２１部分から蓋内部側に雨水が流入したり、蓋内部側から外部に異臭が漏出したりすることを防止できる。
【００１３】
なお、上記形態例では、係止片２２の係止段部２３が係止する係止部を底板部１３の裏面としたが、通孔１４内に段部を設けて係止部とすることもできる。さらに、係止片２２及び通孔１４の設置数は任意であり、マーク板２１の形状や大きさに応じて適当な位置に適当な数を設けることができる。また、蓋本体１１やマーク板２１の材質も任意である。
【００１４】
【発明の効果】
以上説明したように、本発明のマーク付き蓋体によれば、蓋本体へのマーク板の装着を容易に行うことができ、製作も容易であり、コスト低減が図れる。
【図面の簡単な説明】
【図１】 本発明のマーク付き蓋体の一形態例を示す要部の縦断面図である。
【図２】 同じく要部の底面図である。
【図３】 底面側から見たマーク板の斜視図である。
【符号の説明】
１１…蓋本体、１２…凹部、１３…底板部、１４…通孔、１５…凸条、１６…シール材、２１…マーク板、２２…係止片、２３…係止段部、２４…凹溝[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a marked lid, and more particularly, to a marked lid such as a manhole lid or a groove lid on which a mark plate having various indications is mounted at a predetermined position on the surface.
[0002]
[Prior art]
A manhole cover, a groove cover, etc. provided in gas, sewerage, etc. are marked with a name indicating the type of local government, gas, sewerage, etc. As a means for applying such a mark to the lid, for example, as described in Japanese Patent No. 2598313, a mark plate (mark plate) is inserted into a recess provided on the front surface, and the back surface of the mark plate is filled. A method is known in which a material is injected and solidified to be fixed.
[0003]
[Problems to be solved by the invention]
However, as described above, when the mark plate is fixed to the concave portion of the lid plate using a filler or an adhesive, not only the filler but also the filler or the like needs to be injected or applied. However, there are drawbacks in that the number of man-hours is large and the production cost is high. Further, in the case where the mark plate is fitted and fixed to the concave portion of the lid plate, the dimensional accuracy of both must be increased, which also causes an increase in manufacturing cost.
[0004]
SUMMARY OF THE INVENTION An object of the present invention is to provide a mark-attached lid that can be easily manufactured and can be easily attached to a lid.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the marked lid of the present invention is a lid with a mark in which a mark plate is mounted in a recess provided at a predetermined position on the surface. A locking part that protrudes from the back side and has a groove on one side of the back surface, while the locking piece is inserted into the bottom plate of the recess and the locking step is locked And a protruding line that engages with the groove is provided on the upper surface of the bottom plate portion .
[0006]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 shows an embodiment of a lid with a mark according to the present invention. FIG. 1 is a longitudinal sectional view, FIG. 2 is a bottom view, and FIG. 3 is a perspective view of a mark plate viewed from the bottom side.
[0007]
This mark-attached lid body is obtained by mounting a mark plate 21 having a shape corresponding to the shape of the recess 12 to a recess 12 provided at a predetermined position on the surface side of the lid body 11. The two locking pieces 22 projecting from the back surface of the mark plate 21 are fixed by being locked to the bottom plate portion 13 of the recess 12.
[0008]
The locking piece 22 has a hook-like shape having a locking step portion 23 protruding laterally from the tip (lower end), and is formed in a shape capable of elastic deformation. The distance between the back surface of the mark plate 21 and the top surface of the locking step portion 23 is set to be approximately the same as the thickness of the bottom plate portion 13 of the recess 12.
[0009]
The bottom plate portion 13 of the recess 12 is provided with a through hole 14 having an opening area into which the locking piece 22 including the locking step portion 23 can be inserted, and the position thereof is the position of the locking step portion 23. When the protruding end comes into contact with the side wall of the through hole 14, the locking piece 22 is elastically deformed in the anti-locking step portion direction, and when the locking step portion 23 passes through the through hole 14, The locking step portion 23 is set to be locked to the back surface of the bottom plate portion 13 by the restoring force.
[0010]
Therefore, the mark plate 21 can be attached to the lid body 11 simply by pressing the mark plate 21 toward the lid body 11 in a state where the positions of the through holes 14 and the locking pieces 22 are aligned. Further, since it is not necessary to increase the dimensional accuracy as in the case where the mark plate 21 is fitted into the recess 12, the manufacturing is easy.
[0011]
Further, on the back surface of the mark plate 21 and the top surface of the bottom plate portion 13, a concave and convex portion that engages with each other, for example, as shown in the figure, a concave groove 24 is provided on one side of the back surface of the mark plate 21, and the bottom plate portion 13. By providing the ridge 15 that engages with the concave groove 24 on the upper surface, the lid main body 11 and the mark plate 21 can be reliably aligned. Moreover, even if a large external force is applied to the mark plate 21 during use, the mark plate 21 can be held at a predetermined position by the engagement of the concave groove 24 and the ridges 15. Does not act, and it is possible to prevent the locking piece 22 from being damaged or the mark plate 21 from coming off.
[0012]
Further, by providing a sealing material 16 such as an O-ring between the back surface of the mark plate 21 and the top surface of the bottom plate portion 13, the locking state of the locking step portion 23 can be more reliably ensured by its elasticity. In addition, it is possible to prevent rainwater from flowing into the inside of the lid from the mark plate 21 portion or leaking a strange odor from the inside of the lid to the outside.
[0013]
In addition, in the said example, although the latching | locking part which the latching step part 23 of the latching piece 22 latches was made into the back surface of the baseplate part 13, a step part is provided in the through-hole 14, and it is set as a latching part. You can also. Furthermore, the number of the locking pieces 22 and the through holes 14 is arbitrary, and an appropriate number can be provided at an appropriate position according to the shape and size of the mark plate 21. The material of the lid body 11 and the mark plate 21 is also arbitrary.
[0014]
【The invention's effect】
As described above, according to the mark-attached lid body of the present invention, the mark plate can be easily attached to the lid body, the manufacture is easy, and the cost can be reduced.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of a main part showing an embodiment of a marked lid of the present invention.
FIG. 2 is a bottom view of the main part of the same.
FIG. 3 is a perspective view of a mark plate viewed from the bottom side.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 11 ... Lid body, 12 ... Recessed part, 13 ... Bottom plate part, 14 ... Through-hole, 15 ... Projection, 16 ... Sealing material, 21 ... Mark plate, 22 ... Locking piece, 23 ... Locking step part, 24 ... Recessed groove

Claims (1)

表面の所定位置に設けた凹部内にマーク板を装着したマーク付き蓋体において、前記マーク板の裏面に、先端に係止段部を有する係止片を突設するとともに、裏面一側方に凹溝を設け、一方、前記凹部の底板部に前記係止片が挿通するとともに、前記係止段部が係止する係止部を有する通孔を設け、かつ、底板部の上面に前記凹溝に係合する凸条を設けたことを特徴とするマーク付き蓋体。In a lid with a mark in which a mark plate is mounted in a recess provided at a predetermined position on the front surface, a locking piece having a locking step at the tip is projected on the back surface of the mark plate, and on one side of the back surface A concave groove is provided, and on the other hand, the locking piece is inserted into the bottom plate portion of the concave portion, a through hole having a locking portion to be locked by the locking step portion is provided, and the concave portion is formed on the upper surface of the bottom plate portion. A lid with a mark, characterized in that a protrusion that engages with a groove is provided .
JP26354998A 1998-09-17 1998-09-17 Marked lid Expired - Lifetime JP3828668B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26354998A JP3828668B2 (en) 1998-09-17 1998-09-17 Marked lid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26354998A JP3828668B2 (en) 1998-09-17 1998-09-17 Marked lid

Publications (2)

Publication Number Publication Date
JP2000096591A JP2000096591A (en) 2000-04-04
JP3828668B2 true JP3828668B2 (en) 2006-10-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP26354998A Expired - Lifetime JP3828668B2 (en) 1998-09-17 1998-09-17 Marked lid

Country Status (1)

Country Link
JP (1) JP3828668B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010117043A (en) * 2008-11-11 2010-05-27 Okamura Corp Freezing/refrigerating showcase

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