JPS61252822A - Pipe joint construction - Google Patents
Pipe joint constructionInfo
- Publication number
- JPS61252822A JPS61252822A JP9486485A JP9486485A JPS61252822A JP S61252822 A JPS61252822 A JP S61252822A JP 9486485 A JP9486485 A JP 9486485A JP 9486485 A JP9486485 A JP 9486485A JP S61252822 A JPS61252822 A JP S61252822A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- pipes
- pipe joint
- circumferential surface
- vibration
- 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
Landscapes
- Exhaust Silencers (AREA)
- Joints With Sleeves (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明は内燃機関のエキゾーストパイプなどのジヨイン
ト部の構造に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to the structure of a joint portion of an exhaust pipe or the like of an internal combustion engine.
(従来の技術)
エキゾーストパイプの如く長尺で屈曲した形状のパイプ
にあっては、複数本のパイプをジヨイントして一本のパ
イプとしている。(Prior Art) In the case of a long and bent pipe such as an exhaust pipe, a plurality of pipes are jointed to form a single pipe.
斯るジヨイント部の一般的な構造は第7図に示す如く、
一方の金属製パイプ(100)の端部(IQQa)を他
方の金属製パイプ(101)の端部(Iota)内に挿
入し、パイプ(100)の端部(100a)外周とパイ
プ(101)の端部(101a)内周との間に円管状シ
ールパツキン(102)を介在させ、他方のパイプ(1
01)の端部(101a)外周に金属バンド(103)
を巻回し、この金属バンド(103)をネジ(100で
締付けてジヨイントするようにしている。The general structure of such a joint part is as shown in Fig. 7.
Insert the end (IQQa) of one metal pipe (100) into the end (Iota) of the other metal pipe (101), and connect the outer periphery of the end (100a) of the pipe (100) and the pipe (101). A cylindrical seal packing (102) is interposed between the inner periphery of the end (101a) of the other pipe (101a).
Metal band (103) on the outer periphery of the end (101a) of 01)
The metal band (103) is jointed by tightening it with a screw (100).
(発明が解決しようとする問題点)
上述した従来構造のジヨイント部にあって、ジヨイント
部からのガス漏れを確実に防止するには、パイプ(10
0) 、(101)の端部の径及びシールパツキン(1
G2)の厚みが適切なものでなければならず、このため
、上記部材の製作にあたっては寸法精度に優れていなけ
ればならない。(Problems to be Solved by the Invention) In order to reliably prevent gas leakage from the joint part of the conventional structure described above, a pipe (10
0), (101) end diameter and seal packing (1
The thickness of G2) must be appropriate, and for this reason, the above member must be manufactured with excellent dimensional accuracy.
また、従来にあっては、2本のパイプを嵌め合せた後、
金属バンド(103)を巻回する作業が必要となり、工
数が多くなり、且つ金属バンド(103)はフランジ部
を有しており、取付後にこのフランジ部が径方向外方に
突出してしまう。In addition, in the past, after fitting two pipes together,
It is necessary to wind the metal band (103), which increases the number of man-hours, and the metal band (103) has a flange portion, which protrudes radially outward after installation.
更に単にシールパツキン(102)を介在せしめただけ
では振動の吸収を有効になし得ないという問題もある。Furthermore, there is also the problem that vibrations cannot be effectively absorbed simply by interposing the seal packing (102).
(問題点を解決するための手段)
上記問題点を解決すべく本発明は、互いに結合される2
木のパイプの端部間に振動を有効に吸収するためのクッ
ション材と、ガス漏れを防止するための弾性リングを介
在せしめ、更に該クッション材の弾発力でパイプの抜け
を確実に防ぐようにした。(Means for Solving the Problems) In order to solve the above problems, the present invention provides two
A cushioning material to effectively absorb vibrations and an elastic ring to prevent gas leakage are interposed between the ends of the wooden pipe, and the elasticity of the cushioning material ensures that the pipe does not come off. I made it.
(実施例) 以下に本発明の実施例を添付図面に基いて説明する。(Example) Embodiments of the present invention will be described below with reference to the accompanying drawings.
第1図は本発明に係るジヨイント部の構造を示す断面図
であり、互いにジヨイントされるパイプ(1)、(2)
は略同径とし、一方のパイプ(1)の端部(1a)近傍
の外周にはストッパリング(3)を設け、他方のパイプ
(2)の端部(2a)は大径部とされている。FIG. 1 is a cross-sectional view showing the structure of the joint part according to the present invention, in which pipes (1) and (2) are jointed to each other.
have approximately the same diameter, a stopper ring (3) is provided on the outer periphery near the end (1a) of one pipe (1), and the end (2a) of the other pipe (2) has a large diameter. There is.
そして、一方のパイプ(1)の端部(1a)は他方のパ
イプ(2)の端部(2a)内に挿入され、且つパイプ(
1)の端部(la)外周とパイプ(2)の端部(2a)
内周間にはクッション材(4)が介在し、また前記スト
ッパリング(3)とクッション材(0との間には弾性リ
ング(5)を嵌付け、この弾性リング(5)に他方のパ
イプ(2)の先端部が圧接するようにしている。The end (1a) of one pipe (1) is inserted into the end (2a) of the other pipe (2), and the pipe (1) is inserted into the end (2a) of the other pipe (2).
End (la) outer periphery of 1) and end (2a) of pipe (2)
A cushioning material (4) is interposed between the inner circumferences, and an elastic ring (5) is fitted between the stopper ring (3) and the cushioning material (0). The tips of (2) are brought into pressure contact.
ここで、前記クッション材(0としてはパイプ(1)、
(2)の振動を吸収するとともに、パイプ(1)。Here, the cushioning material (0 is a pipe (1),
(2) to absorb the vibrations of the pipe (1).
(2)を嵌合せた際に抜けることがない弾発力を発揮す
るもの、具体的には細い針金をつぶして集合させ略々管
状としたものなどを用いる。また、前記弾性リング(5
)としてはガスシールを行い得るゴム製リングを用いる
。(2) A material that exhibits a resilient force that will not come off when fitted together, specifically, a material made by crushing and gathering thin wires into a roughly tubular shape. In addition, the elastic ring (5
) is a rubber ring that can provide a gas seal.
またパイプ(1)、(2)としては金属製でもよいが、
本実施例にあっては成形吸音材を材料としている。Also, the pipes (1) and (2) may be made of metal, but
In this embodiment, a molded sound absorbing material is used as the material.
この成形吸音材にてパイプを成形する方法を第2図乃至
第5図に基いて説明する。A method of forming a pipe using this molded sound absorbing material will be explained based on FIGS. 2 to 5.
先ず、ガラス長繊維又はセラミック繊維等の無機繊維或
いは有機長繊維を適当な長さに裁断して混合し、これに
ローラ加圧及びニードリングを施してマット状繊維を得
る。そして第2図に示すように、マット状繊維(8)の
一部、つまりパイプを成形した場合にパイプの内周面と
なる部分に耐熱性無機成形剤(7)を塗布し、更に外周
面となる部分にはゴム等の弾性成形剤(8)を塗布する
。そして斯るマット状繊維(8)を芯線(9)に巻きつ
けて第3図に示す状態とし、この状態のまま第4図に示
す如く上下のプレス型(10) 、(11)間にて保持
したまま焼成し、次いでプレス型(10) 、(11)
から焼成品を払い出し、第5図に示すように芯線(9)
を引き抜くことで、中間部が断熱性、吸振性及び剛性に
優れた成形吸音材からなり、内側部が耐熱性に優れ、外
側部がフレキシビリティを有するパイプ(1)、(2)
が得られる。尚、実施例として繊維のチョップにてマッ
ト状繊維を形成するようにしたが、織布を用いてもよい
。First, inorganic or organic fibers such as long glass fibers or ceramic fibers are cut into appropriate lengths and mixed, and then subjected to roller pressure and needling to obtain mat-like fibers. Then, as shown in Figure 2, a heat-resistant inorganic molding agent (7) is applied to a part of the mat fiber (8), that is, the part that will become the inner peripheral surface of the pipe when it is molded, and then the outer peripheral surface An elastic molding agent (8) such as rubber is applied to the portion where the shape is to be formed. Then, the mat fiber (8) is wound around the core wire (9) to form the state shown in FIG. Fired while holding, then press molds (10), (11)
Take out the fired product from the core wire (9) as shown in Figure 5.
By pulling out the pipes (1) and (2), the middle part is made of molded sound absorbing material with excellent heat insulation, vibration absorption, and rigidity, the inner part has excellent heat resistance, and the outer part has flexibility.
is obtained. In this embodiment, mat-like fibers are formed by chopping fibers, but woven fabric may also be used.
第6図は別実施例を示す断面図であり、この実施例にあ
っては、−面を球面(5a)とした弾性リング(15)
の該球面(5a)に他のパイプ(2)の先端部を突き当
てるようにしたものである。このように構成することで
パイプ(1)、(2)の径方向の振動に対する吸振性が
向上する。FIG. 6 is a sectional view showing another embodiment. In this embodiment, an elastic ring (15) whose negative surface is a spherical surface (5a)
The tip of another pipe (2) is made to abut against the spherical surface (5a). With this configuration, the vibration absorbing properties of the pipes (1) and (2) against vibrations in the radial direction are improved.
(発明の効果)
以上の説明で明らかな如く本発明によれば、2本のパイ
プの端部を挿入嵌合してなるジヨイント部の一方のパイ
プの外周部と他方のパイプの内周部間にクッション材を
介在させたため、パイプの振動を吸収し、振動によるガ
タつき等を抑制することができ、且つ振動による抜けも
防ぐことができる。(Effects of the Invention) As is clear from the above description, according to the present invention, in a joint formed by inserting and fitting the ends of two pipes, there is a gap between the outer periphery of one pipe and the inner periphery of the other pipe. Since the cushioning material is interposed in the pipe, it is possible to absorb the vibration of the pipe, suppress rattling caused by vibration, and prevent the pipe from coming off due to vibration.
また前記パイプ間には弾性シールリングを介在させたた
め、ガス漏れも有効に防止できる。Further, since an elastic seal ring is interposed between the pipes, gas leakage can be effectively prevented.
更にパイプを成形吸音材にて形成すれば、吸振性、断熱
性に優れたパイプとすることができ、しかもパイプの内
面に耐熱性の無機成形剤を塗布し、外面にはゴム等の弾
性成形剤を塗布するようにすれば、エキゾーストパイプ
としても優れた特徴をもつこととなる等多くの効果を発
揮する。Furthermore, if the pipe is made of a molded sound-absorbing material, it can be made into a pipe with excellent vibration-absorbing and heat-insulating properties.Moreover, the inner surface of the pipe is coated with a heat-resistant inorganic molding agent, and the outer surface is made of elastic molding such as rubber. If the agent is applied, it will have many effects such as having excellent characteristics as an exhaust pipe.
第1図は本発明に係るジヨイント部構造の断面図、第2
図乃至第5図はパイプの成形工程を示す図、第6図は別
実施例に係るジオインド部構造の断面図、第7図は従来
のジヨイント部構造を示す断面図である。
尚、図面中(1)は一方のパイプ、(2)は他方のパイ
プ、(la) 、(2a)はパイプの端部、(3)はス
トッパリング、(4)はクッション材、(5)は弾性リ
ングである。
特 許 出 願 人 本田技研工業株式会社代理人
弁理士 下 1)容一部間 弁理士
大 橋 邦 部同 弁理士 小
山 右同 弁理士 野 1) 茂
第1図FIG. 1 is a sectional view of the joint structure according to the present invention, and FIG.
5 to 5 are diagrams showing a pipe forming process, FIG. 6 is a sectional view of a geoind part structure according to another embodiment, and FIG. 7 is a sectional view showing a conventional joint part structure. In the drawings, (1) is one pipe, (2) is the other pipe, (la) and (2a) are the ends of the pipe, (3) is the stopper ring, (4) is the cushioning material, and (5) is the end of the pipe. is an elastic ring. Patent applicant: Agent for Honda Motor Co., Ltd.
Patent Attorney Part 2 1) Part 1 Patent Attorney
Kuni Ohashi, Patent Attorney, Department
Yama Udo Patent Attorney No 1) Shigeru Figure 1
Claims (2)
入結合してなるパイプのジョイント部構造において、前
記一方のパイプの外周にはストッパリングが設けられ、
また前記一方のパイプの端部外周と他方のパイプの端部
内周との間にはクッション材が設けられ.このクッショ
ン材と前記ストッパリングとの間には他方のパイプの先
端部が当接する弾性リングが介在していることを特徴と
するパイプのジョイント部構造。(1) In a pipe joint structure in which the end of one pipe is inserted into the end of the other pipe, a stopper ring is provided on the outer periphery of the one pipe,
Further, a cushioning material is provided between the outer circumference of the end of the one pipe and the inner circumference of the end of the other pipe. A pipe joint structure characterized in that an elastic ring is interposed between the cushioning material and the stopper ring, with which the tip of the other pipe comes into contact.
る特許請求の範囲第1項記載のパイプのジョイント部構
造。(2) The pipe joint structure according to claim 1, wherein the pipe is made of a molded sound-absorbing material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9486485A JPS61252822A (en) | 1985-05-01 | 1985-05-01 | Pipe joint construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9486485A JPS61252822A (en) | 1985-05-01 | 1985-05-01 | Pipe joint construction |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61252822A true JPS61252822A (en) | 1986-11-10 |
Family
ID=14121899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9486485A Pending JPS61252822A (en) | 1985-05-01 | 1985-05-01 | Pipe joint construction |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61252822A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4880078A (en) * | 1987-06-29 | 1989-11-14 | Honda Giken Kogyo Kabushiki Kaisha | Exhaust muffler |
WO2011027433A1 (en) * | 2009-09-02 | 2011-03-10 | 住友金属工業株式会社 | Protector for threaded joint for pipe |
US8622091B2 (en) | 2008-08-14 | 2014-01-07 | Nippon Steel & Sumitomo Metal Corporation | Protector for tubular threaded joint |
-
1985
- 1985-05-01 JP JP9486485A patent/JPS61252822A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4880078A (en) * | 1987-06-29 | 1989-11-14 | Honda Giken Kogyo Kabushiki Kaisha | Exhaust muffler |
US8622091B2 (en) | 2008-08-14 | 2014-01-07 | Nippon Steel & Sumitomo Metal Corporation | Protector for tubular threaded joint |
WO2011027433A1 (en) * | 2009-09-02 | 2011-03-10 | 住友金属工業株式会社 | Protector for threaded joint for pipe |
JP5447527B2 (en) * | 2009-09-02 | 2014-03-19 | 新日鐵住金株式会社 | Tube threaded joint protector |
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