JPH0228315Y2 - - Google Patents
Info
- Publication number
- JPH0228315Y2 JPH0228315Y2 JP1984042509U JP4250984U JPH0228315Y2 JP H0228315 Y2 JPH0228315 Y2 JP H0228315Y2 JP 1984042509 U JP1984042509 U JP 1984042509U JP 4250984 U JP4250984 U JP 4250984U JP H0228315 Y2 JPH0228315 Y2 JP H0228315Y2
- Authority
- JP
- Japan
- Prior art keywords
- cover
- cover body
- gas pipe
- gas
- protective cover
- 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
Links
- 230000001681 protective effect Effects 0.000 claims description 25
- 229920005989 resin Polymers 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 210000005069 ears Anatomy 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- -1 polyethylene Polymers 0.000 description 4
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、ガス管用の保護カバーに関するもの
である。[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a protective cover for gas pipes.
（従来の技術）
従来、パイプを保護するカバーとして、実公昭
48−12570号公報に記載の考案（以下、第１従来
例という）と、実公昭52−1580号公報に記載の考
案（以下、第２従来例という）が知られている。(Conventional technology) Conventionally, as a cover to protect pipes,
A device described in Japanese Utility Model Publication No. 48-12570 (hereinafter referred to as the first conventional example) and a device described in Japanese Utility Model Publication No. 52-1580 (hereinafter referred to as the second conventional example) are known.
第１従来例考案は、「合成樹脂等の可撓性を有
する材料を以つてパイプ状に形成し、長手方向に
スリツトを設けると共に、内面に凹凸を設けたこ
とを特徴とするパイプ保護カバー。」であり、
第２従来例考案は、「筒状の伝熱体１の一部を
開口し、内面に突起３を付け管２と接面させ、さ
らに断熱材４を覆い外装６をほどこしスライド板
５の両端を止め具７により固定した凍結防止体。」
である。 The first conventional invention is a pipe protection cover which is formed into a pipe shape using a flexible material such as synthetic resin, has slits in the longitudinal direction, and has an uneven inner surface. '', and the second conventional design is ``a part of the cylindrical heat transfer body 1 is opened, a protrusion 3 is attached to the inner surface so that it comes in contact with the tube 2, and a heat insulating material 4 is covered and an exterior 6 is applied to slide the body.'' An anti-freezing body in which both ends of a plate 5 are fixed with fasteners 7.
It is.
（考案が解決しようとする課題）
第１従来例考案は、内面の凹凸がスリツトに対
向する部分にのみ形成されており、この凹凸の高
さも小さい。したがつて、パイプとカバーが密着
する部分が多く、カバーがパイプに対する外圧か
らの緩衝作用を果さない問題があつた。また、万
一ガスもれが発生しても、パイプとカバーとの間
に〓間がないため、ガスがカバーから容易に出な
い。このため、ガスもれの現場を的確に判断する
ことができなかつた。(Problems to be Solved by the Invention) In the first conventional device, the unevenness on the inner surface is formed only in the portion facing the slit, and the height of the unevenness is also small. Therefore, there were many parts where the pipe and the cover were in close contact with each other, and there was a problem that the cover did not act as a buffer against external pressure on the pipe. Furthermore, even if a gas leak occurs, there is no gap between the pipe and the cover, so the gas will not easily escape from the cover. For this reason, it was not possible to accurately determine the location of the gas leak.
第２従来例考案は、水道管の凍結防止体で、本
願考案とは全く目的が異なる。また、筒状の伝熱
体の内面に形成した突起の高さ寸法が小さく、管
と伝熱体との間に空気層はできるが十分な〓間を
つくることができなかつた。したがつて、伝熱体
は管の緩衝保護材としての目的と作用をなさない
もので、この考案の記載からはこれらを示唆する
ものはない。 The second conventional invention is an anti-freezing body for water pipes, and its purpose is completely different from that of the invention of the present application. Further, the height of the protrusions formed on the inner surface of the cylindrical heat transfer body is small, and although an air layer is formed between the tube and the heat transfer body, it is not possible to create a sufficient space between the tubes and the heat transfer body. Therefore, the heat transfer body does not function as a cushioning and protecting material for the tube, and there is nothing in the description of this invention that suggests this.
（課題を解決するための手段）
本考案のガス管用の保護カバーは、断面が一部
切欠かれた略円形の耐衝撃性樹脂製筒状カバーで
あり、このカバー本体の内周面に互いに間隔をお
いて複数条のリブがカバー本体の長手方向に沿つ
て設けられ、各リブの高さ寸法がカバー本体の板
厚寸法と略等しくなされ、カバー本体の切欠両縁
部はカバー本体の長手方向に沿つた円形断面の耳
部となされ、かつこの両耳部間が保護カバーをガ
ス管に脱着する開口となされたものである。(Means for Solving the Problems) The protective cover for gas pipes of the present invention is a cylindrical cover made of impact-resistant resin and has a roughly circular cross section with a partially cutout. A plurality of ribs are provided along the longitudinal direction of the cover body, the height dimension of each rib is made approximately equal to the plate thickness dimension of the cover body, and both notch edges of the cover body are provided along the longitudinal direction of the cover body. It has an ear portion with a circular cross-section along the same line, and an opening between the two ear portions for attaching and detaching the protective cover to the gas pipe.
（作 用）
カバー本体の内周面に、カバー本体の板厚と略
等しい寸法の高さを有する複数条のリブがカバー
本体の長手方向に沿つて形成されている。また、
カバー本体は断面が一部切欠かれた円筒状で、こ
の切欠両縁部はカバー本体の長手方向に沿つた円
形断面の耳部となされるとともに、この両耳部間
がガス管に脱着する開口となされている。したが
つて、ガス管にこのようになした保護カバーを被
せると、ガス管との間に大きな〓間が生じ、緩衝
作用も十分に発揮できる。また、この大きな〓間
によつて、万一ガスもれが生じてもガスがこの〓
間内を流動して、その現場が容易に知り得るので
ある。(Function) A plurality of ribs having a height approximately equal to the plate thickness of the cover body are formed along the longitudinal direction of the cover body on the inner peripheral surface of the cover body. Also,
The cover body has a cylindrical shape with a partially notched cross section, and both edges of this notch form ears with a circular cross section along the longitudinal direction of the cover body, and an opening between the two ears is used to attach and detach the gas pipe. It is said that Therefore, when a gas pipe is covered with such a protective cover, a large gap is created between the protective cover and the gas pipe, and a sufficient buffering effect can be exerted. Also, due to this large gap, even if a gas leak occurs, the gas will
You can easily get to know the scene by moving through the space.
さらに、ガス管の外周面のほとんどが保護カバ
ーによつて覆われているため、掘り起こし等の作
業中に、機械によつて下からの衝撃を受けても、
ガス管を損傷したりするようなおそれはない。 Furthermore, most of the outer circumferential surface of the gas pipe is covered with a protective cover, so even if it is subjected to impact from below by machinery during excavation work, etc.
There is no risk of damaging gas pipes.
よつて、本考案は特に、ポリエチレン製のガス
管の保護カバーとして最適である。 Therefore, the present invention is particularly suitable as a protective cover for polyethylene gas pipes.
（実施例）
次に本考案の実施例を図面に沿つて説明する。
第１図は本考案に係る保護カバーの一例を示し、
第２図乃至第４図はポリエチレン製のガス管１に
保護カバー２を被せる状態を示している。ポリエ
チレン製のガス管（以下、ガス管という）１は外
径４２（呼び径30）mmである。(Example) Next, an example of the present invention will be described with reference to the drawings.
FIG. 1 shows an example of a protective cover according to the present invention,
2 to 4 show a state in which a protective cover 2 is placed over a gas pipe 1 made of polyethylene. A polyethylene gas pipe (hereinafter referred to as gas pipe) 1 has an outer diameter of 42 mm (nominal diameter: 30 mm).
保護カバー２は、耐衝撃性樹脂製であつて原料
樹脂を押出成形することにより製造されている。
耐衝撃性樹脂としては、一般に耐衝撃性樹脂管成
形用に使用されているものであればよく、例え
ば、塩化ビニール樹脂に、アクリロニトリル−ブ
タジエンゴム（NBR）、アクリロニトリル−ブタ
ジエン−スチレン共重合体（ABS樹脂）、スチレ
ン−ブタジエンゴム（SBR）、アクリル酸および
メタクリル酸重合物、塩素化ポリオレフイン、エ
チレン共重合体等の衝撃性を向上させる樹脂をブ
レンドしたものが好適である。 The protective cover 2 is made of impact-resistant resin and is manufactured by extrusion molding raw resin.
The impact-resistant resin may be one that is generally used for impact-resistant resin tube molding; for example, vinyl chloride resin, acrylonitrile-butadiene rubber (NBR), acrylonitrile-butadiene-styrene copolymer ( Blends of resins that improve impact properties such as ABS resin), styrene-butadiene rubber (SBR), acrylic acid and methacrylic acid polymers, chlorinated polyolefins, and ethylene copolymers are suitable.
カバー本体３は、断面が一部切欠かれた略円形
の筒状に形成されている。カバー本体３は、ガス
管１の太さによつて適宜設計変更されるが、本例
では外径約65mm、長さ約１ｍであつて、ガス管１
との間に約10mmの〓間４が生じるように形成して
いる。保護カバー２の周長はその内周がガス管１
を接続する継手の外周とほぼ同じとなされてい
る。５は円形断面の一部に形成された開口で、こ
の開口５の開口幅６は、管外径より狭く、管外径
の1/2より広くしておくと、ガス管１に脱着し易
く、ガス管１の外周を十分に保護することができ
る。 The cover main body 3 is formed into a substantially circular cylindrical shape with a partially cut out cross section. The design of the cover body 3 is changed as appropriate depending on the thickness of the gas pipe 1, but in this example, the cover body 3 has an outer diameter of about 65 mm and a length of about 1 m.
It is formed so that there is a gap 4 of about 10 mm between the two. The circumference of the protective cover 2 is such that its inner circumference is the gas pipe 1.
The circumference is approximately the same as the outer circumference of the joint that connects. 5 is an opening formed in a part of the circular cross section, and if the opening width 6 of this opening 5 is narrower than the outer diameter of the tube and wider than 1/2 of the outer diameter of the tube, it can be easily attached to and detached from the gas tube 1. , the outer periphery of the gas pipe 1 can be sufficiently protected.
８はカバー本体３の内周面９に互いに間隔をお
いて長手方向に沿つて形成された複数条のリブで
あつて、このようにリブ８を設けておくことによ
り、軸方向の剛性が高くなり、曲げ強度が高くな
る。しかも何らかの理由により万一もれたガスが
保護カバー２の内側を長手方向に流れ易く、ガス
もれの検出が容易になる。リブ８の高さはカバー
本体３の厚さとほぼ等しく約0.5mm〜３mmで、幅
は高さより大きいのが好ましい。カバー本体３の
周面に穴をあけておいてもよくこのようにすると
きは、この穴の部分においてもガスもれを検出で
きる。１０は、カバー本体３の開口縁部に長手方
向に沿つて設けた円形断面の耳部（直径がカバー
本体３の肉厚の約２倍）である。開口縁部に耳部
１０を設けると、縁部の強度が大きくなつて縁部
から破損するのを防止できる。また、耳部１０に
よつて開口部とガス管１との間にも〓間４が生じ
る。 Reference numeral 8 denotes a plurality of ribs formed on the inner circumferential surface 9 of the cover main body 3 along the longitudinal direction at intervals, and by providing the ribs 8 in this way, the rigidity in the axial direction is high. This increases the bending strength. Furthermore, in the event that gas leaks for some reason, it is easy to flow inside the protective cover 2 in the longitudinal direction, making it easy to detect gas leaks. It is preferable that the height of the rib 8 is approximately equal to the thickness of the cover body 3, about 0.5 mm to 3 mm, and the width is larger than the height. A hole may be made in the circumferential surface of the cover body 3, and if this is done, gas leakage can also be detected at this hole. Reference numeral 10 denotes an ear portion (diameter approximately twice the thickness of the cover body 3) having a circular cross section and provided along the longitudinal direction of the opening edge of the cover body 3. Providing the ears 10 on the edge of the opening increases the strength of the edge and can prevent damage from the edge. Further, a gap 4 is also created between the opening and the gas pipe 1 due to the ear portion 10 .
次に保護カバー２の脱着要領を説明する。 Next, the procedure for attaching and detaching the protective cover 2 will be explained.
保護カバー２は、配管されたガス管１及び継手
に開口５を向けて強制的に押し込む。そして土砂
１１を被せると、土砂１１による外圧で開口５は
幾分狭くなる。保護カバー２は、第５図に示す如
く、順次上に重ねてもよいし、第６図に示すよう
に、外側、内側を交互にして重ねてもよい。ガス
管１から保護カバー２を外すときは、開口５を拡
げて離脱させる。 The protective cover 2 is forcibly pushed in with the opening 5 facing the gas pipe 1 and the joint. Then, when the earth and sand 11 is covered, the opening 5 becomes somewhat narrower due to the external pressure caused by the earth and sand 11. The protective covers 2 may be stacked one on top of the other, as shown in FIG. 5, or may be stacked on top of each other, alternating the outside and the inside, as shown in FIG. When removing the protective cover 2 from the gas pipe 1, the opening 5 is expanded and removed.
（考案の効果）
本考案ガス管用の保護カバーは、耐衝撃性樹脂
製であり、カバー本体の内周面に、カバー本体の
板厚と略等しい寸法の高さを有する複数条のリブ
がカバー本体の長手方向に沿つて形成されてい
る。(Effect of the invention) The protective cover for gas pipes of this invention is made of impact-resistant resin, and the inner peripheral surface of the cover body is provided with multiple ribs having a height approximately equal to the thickness of the cover body. It is formed along the longitudinal direction of the main body.
また、略円形断面のカバー本体の一部を切欠く
ことによつて開口が形成され、この切欠両縁部は
カバー本体の長手方向に沿つた円形断面の耳部と
なされている。したがつて、ガス管にこのように
なした保護カバーを被せると、ガス管との間に大
きな〓間が生じ、緩衝作用も十分に発揮できる。
また、この大きな〓間によつて、万一ガスもれが
生じてもガスがこの〓間内を流動して、その現場
が容易に知り得るのである。 Further, an opening is formed by cutting out a part of the cover main body having a substantially circular cross section, and both edges of this cut are used as ears having a circular cross section along the longitudinal direction of the cover main body. Therefore, when a gas pipe is covered with such a protective cover, a large gap is created between the protective cover and the gas pipe, and a sufficient buffering effect can be exerted.
Also, due to this large gap, even if a gas leak were to occur, the gas would flow through the gap, making it easy to locate the leak.
さらに、ガス管の外周面のほとんどが保護カバ
ーによつて覆われているため、掘り起こし等の作
業中に、機械によつて下からの衝撃を受けても、
ガス管を損傷したりするようなおそれはない。 Furthermore, most of the outer circumferential surface of the gas pipe is covered with a protective cover, so even if it is subjected to impact from below by machinery during excavation work, etc.
There is no risk of damaging gas pipes.
このようなことから、ガス管がポリエチレンで
形成されたものであつても、安心して土中に埋設
しておくことができる。 For this reason, even if the gas pipe is made of polyethylene, it can be safely buried underground.
第１図は本考案ガス管用の保護カバーの一実施
例を示す斜視図、第２図乃至第４図はガス管に保
護カバーを被せる状態を示す断面図、第５図、第
６図は保護カバーを順次被せた状態を示す断面図
である。
１……ポリエチレン製のガス管、２……保護カ
バー、３……カバー本体、４……〓間、５……開
口、８……リブ、１０……耳部。
Fig. 1 is a perspective view showing an embodiment of the protective cover for gas pipes of the present invention, Figs. 2 to 4 are sectional views showing how the gas pipe is covered with the protective cover, and Figs. 5 and 6 are protective covers. It is a sectional view showing a state in which covers are sequentially placed. DESCRIPTION OF SYMBOLS 1...Polyethylene gas pipe, 2...Protective cover, 3...Cover body, 4...Between, 5...Opening, 8...Rib, 10...Ear part.
Claims (1)
筒状カバーであり、このカバー本体の内周面に互
いに間隔をおいて複数条のリブがカバー本体の長
手方向に沿つて設けられ、各リブの高さ寸法がカ
バー本体の板厚寸法と略等しくなされ、カバー本
体の切欠両縁部はカバー本体の長手方向に沿つた
円形断面の耳部となされ、かつこの両耳部間が保
護カバーをガス管に脱着する開口となされたこと
を特徴とするガス管用の保護カバー。 It is a cylindrical cover made of impact-resistant resin with a partially cut out cross section, and a plurality of ribs are provided on the inner peripheral surface of the cover body at intervals along the longitudinal direction of the cover body, The height of each rib is approximately equal to the plate thickness of the cover body, and both edges of the cutout of the cover body are ears with a circular cross section along the longitudinal direction of the cover body, and the area between these ears is protected. A protective cover for a gas pipe, characterized by having an opening for attaching and detaching the cover to the gas pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4250984U JPS60154694U (en) | 1984-03-23 | 1984-03-23 | Protective cover for gas pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4250984U JPS60154694U (en) | 1984-03-23 | 1984-03-23 | Protective cover for gas pipes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60154694U JPS60154694U (en) | 1985-10-15 |
| JPH0228315Y2 true JPH0228315Y2 (en) | 1990-07-30 |
Family
ID=30553328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4250984U Granted JPS60154694U (en) | 1984-03-23 | 1984-03-23 | Protective cover for gas pipes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60154694U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102475736B1 (en) * | 2022-05-04 | 2022-12-09 | 주식회사 토토월드 | Module type wind power generator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4812570U (en) * | 1971-06-22 | 1973-02-12 | ||
| JPS521580U (en) * | 1975-06-19 | 1977-01-07 | ||
| JPS5333308B2 (en) * | 1975-01-07 | 1978-09-13 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5333308U (en) * | 1976-08-30 | 1978-03-23 |
-
1984
- 1984-03-23 JP JP4250984U patent/JPS60154694U/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4812570U (en) * | 1971-06-22 | 1973-02-12 | ||
| JPS5333308B2 (en) * | 1975-01-07 | 1978-09-13 | ||
| JPS521580U (en) * | 1975-06-19 | 1977-01-07 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60154694U (en) | 1985-10-15 |
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