JPH0632544Y2 - Ventilation pipe connector made of composite of ceramics and metal - Google Patents
Ventilation pipe connector made of composite of ceramics and metalInfo
- Publication number
- JPH0632544Y2 JPH0632544Y2 JP1989070097U JP7009789U JPH0632544Y2 JP H0632544 Y2 JPH0632544 Y2 JP H0632544Y2 JP 1989070097 U JP1989070097 U JP 1989070097U JP 7009789 U JP7009789 U JP 7009789U JP H0632544 Y2 JPH0632544 Y2 JP H0632544Y2
- Authority
- JP
- Japan
- Prior art keywords
- pipe connector
- ceramics
- metal
- composite
- ventilation pipe
- 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
Links
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Description
【考案の詳細な説明】 ＜産業上の利用分野＞ 本考案はセラミックスの有する非磁性、電気絶縁性、耐
腐食、耐熱性及び耐摩耗性を活用した通気用パイプ連結
具に関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention relates to a ventilation pipe connector that utilizes the non-magnetic, electrical insulating, corrosion-resistant, heat-resistant and wear-resistant properties of ceramics.
＜従来の技術及び考案が解決しようとする課題＞ 現在可燃性ガス供給用又は、可燃性ガス雰囲気内でのガ
ス供給用として金属性パイプを全工程で使用すれば、通
電性のため電気漏洩の原因となり、発火源となりガス爆
発、その他のトラブルが発生する原因となっている。<Problems to be solved by conventional techniques and devices> Currently, if a metal pipe is used for supplying combustible gas or for supplying gas in a combustible gas atmosphere in all processes, electrical leakage will occur due to electrical conductivity. It becomes a cause, becomes a source of ignition and causes gas explosion and other troubles.
そこで本考案では上記トラブルの防止策として、ガス通
気用パイプの１部に電気絶縁性及び非磁気性の特性を有
するセラミックスを主体とした通気用パイプ連結具を提
供することを目的とするものである。Therefore, in order to prevent the above problems, the present invention aims to provide a ventilation pipe connector mainly made of ceramics having electrical insulating and non-magnetic properties in a part of the gas ventilation pipe. is there.
＜課題を解決する為の手段＞ 本考案の上記目的は、次の如き構成の連結具によって達
成できる。即ちその要旨はセラミックスよりなる筒状の
パイプ連結具本体の両端開口内に、金属製よりなる連結
用雌螺子部を装着したことを特徴とするセラミックスと
金属の複合による通気用パイプ連結具である。<Means for Solving the Problems> The above object of the present invention can be achieved by a connecting device having the following configuration. That is, the gist thereof is a ventilation pipe connector made of a composite of ceramics and metal, characterized in that a female threaded portion for connection made of metal is mounted in the openings of both ends of a tubular pipe connection body made of ceramics. .
更に上記パイプ連結具本体の両端内周壁面上に、連結用
雌螺子部が嵌合する段差部を設け、連結用雌螺子部が押
し込まれない機構とし、又上記パイプ連結具本体の両端
内周壁面上に嵌合溝部及び該嵌合溝部に嵌合する嵌合突
状部を連結用雌螺子部の外周壁面上に設けることによっ
て、上記連結用雌螺子部に、通気用パイプを螺子込む際
の、ねじれ変形を防止する機構とするものである。Further, a stepped portion into which the female screw portion for connection is fitted is provided on the inner peripheral wall surface of both ends of the pipe connector body so that the female screw portion for connection is not pushed. When the ventilation pipe is screwed into the female screw portion for connection, by providing a fitting groove portion on the wall surface and a fitting projection portion that fits into the fitting groove portion on the outer peripheral wall surface of the female screw portion for connection. The mechanism for preventing the twist deformation.
＜実施例並びに作用＞ 以下本考案に係る通気用連結具を、その実施例を示す図
面を参酌し乍ら詳述する。<Examples and Actions> The ventilation connecting device according to the present invention will be described in detail below with reference to the drawings showing the examples.
第１図は本考案の一実施例を示す斜視図、第２図は第１
図Ａ−Ａ線における断面図、第３図は同端面図を示すも
のである。FIG. 1 is a perspective view showing an embodiment of the present invention, and FIG.
A sectional view taken along the line AA in FIG. 3 and FIG. 3 are end views of the same.
即ち(1)はセラミックス製よりなる筒状のパイプ連結具
本体であり、同パイプ連結具本体(1)の両端内周壁に、
段差部(2),(2)が周設され、更に同段差部(2),(2)上に嵌
合溝部(3),(3)が開設されるものである。そこで第４図
に示すように、その外周壁上に、上記嵌合溝部(3),(3)
と嵌合する嵌合突条部(4),(4)が突設形成された金属製
よりなる連結用雌螺子部(5),(5)を、上記パイプ連結具
本体(1)の段差部(2),(2)内に挿入固定するものである。
従って上記連結用雌螺子部(5),(5)は、上記段差部(2),
(2)によってその先端部が当接し、更に前方へ押し込ま
れる事が無く、又上記嵌合溝部(3),(3)と嵌合突条部
(4),(4)との嵌合により、パイプの螺子込み連結時の際
の捻れ変形を防ぐ機構とするものである。That is, (1) is a cylindrical pipe connector body made of ceramics, the inner wall of both ends of the pipe connector body (1),
The step portions (2) and (2) are provided around, and the fitting groove portions (3) and (3) are further provided on the step portions (2) and (2). Then, as shown in FIG. 4, on the outer peripheral wall thereof, the fitting groove portions (3), (3) are formed.
Mating female thread portions (5) and (5) made of metal, which are formed by protruding fitting ridge portions (4) and (4), are fitted to the step of the pipe coupling body (1). It is to be inserted and fixed in the parts (2) and (2).
Therefore, the connecting female screw portion (5), (5), the step portion (2),
The tip end does not come into contact by (2) and is not pushed further forward, and the fitting groove parts (3), (3) and the fitting protrusion part
By fitting with (4) and (4), a mechanism is provided to prevent twisting deformation when the pipe is screwed and connected.
又上記連結用雌螺子部(5)をパイプ連結具本体(1)の開口
端内に挿入の際には、ガス漏れを防ぐ為に接着剤にて密
閉状に固着するものであるが、金属製よりなるパイプ連
結用雌螺子部(5)とセラミック製よりなる連結具本体(1)
とは熱膨張係数に差がある為に、その膨張差を吸収する
作用を有する接着剤、例えば耐熱性セラミックス金属接
着剤を使用することが望ましい。When inserting the connecting female screw portion (5) into the open end of the pipe connector body (1), it is fixed in an airtight manner with an adhesive in order to prevent gas leakage. Female thread for pipe connection (5) made of metal and connector body (1) made of ceramic
Since there is a difference in the coefficient of thermal expansion, it is desirable to use an adhesive having an action of absorbing the difference in expansion, for example, a heat-resistant ceramic metal adhesive.
更に上記嵌合突条部(4)を突設する機構の他に第５図に
示すように、連結用雌螺子部(5)外周壁上を、所要個の
段差を有する螺施形状に形成し、それと嵌合するように
パイプ連結具本体(1)の段差部(2)内周壁上を形成するこ
とによって同様な結果を得ることができる。Further, in addition to the mechanism for projecting the fitting protrusion (4), as shown in FIG. 5, the outer peripheral wall of the female screw portion (5) for connection is formed into a threaded shape having a required number of steps. Then, the same result can be obtained by forming on the inner peripheral wall of the stepped portion (2) of the pipe connector main body (1) so as to fit with it.
なお上記パイプ連結具本体(1)を形成するセラミック材
料は、アルミナ等酸化物系、並びに窒化硅素系等の非酸
化物系を必要により選び分けるものである。The ceramic material forming the pipe connector main body (1) is selectively selected from oxides such as alumina and non-oxides such as silicon nitride.
以上の構成よりなる本考案では、第６図に示すようにパ
イプ連結具本体(1)の両側の連結用雌螺子部(5),(5)に、
通気用パイプＢ，Ｂ′の一端外周に設けられる雄螺子部
Ｃ，Ｃ′を螺子込み連結するものである。従って上記通
気用パイプＢ，Ｂ′は、上記セラミックス製の有する非
磁性、電気絶縁性によって完全に絶縁された状態に連結
されることとなる。In the present invention having the above-mentioned structure, as shown in FIG. 6, the connecting female screw parts (5) and (5) on both sides of the pipe connector body (1) are provided with
The male screw portions C and C'provided on the outer circumference of one end of the ventilation pipes B and B'are screwed and connected. Therefore, the ventilation pipes B and B'are connected to each other in a completely insulated state due to the non-magnetic and electrical insulating properties of the ceramics.
＜考案の効果＞ 以上述べて来た如く本考案によれば、パイプの連結個所
のみに、金属製の雌螺子部を使用することによって、パ
イプとの連結がスムーズかつ強固に行えると共に、寸法
精度に難点のあるセラミックスの加工の際の寸法誤差を
接着剤によって充分に補うことができるものであり、更
にセラミックス自体に直接、螺子部を切削するのに比
べ、加工性が非常に容易である等、種々の効果を奏する
ものである。<Effects of the Invention> As described above, according to the present invention, by using the female internal thread portion of the metal only at the connecting portion of the pipe, the connection with the pipe can be performed smoothly and firmly, and the dimensional accuracy can be improved. It is possible to sufficiently compensate the dimensional error when processing ceramics, which is difficult to process with an adhesive, and is much easier to process than cutting the screw part directly on the ceramic itself. The various effects are exhibited.
第１図は本考案の一実施例を示す斜視図、第２図は第１
図Ａ−Ａ線における断面説明図、第３図は同端面説明
図、第４図は本考案の連結用雌螺子部の斜視図、第５図
は他の機構の連結用雌螺子部の装着状態を示す端面説明
図、第６図は本考案の使用状態を示す断面説明図であ
る。 図中(1)：パイプ連結具本体 (2)：段差部 (3)：嵌合溝部 (4)：嵌合突条部 (5)：連結用雌螺子部FIG. 1 is a perspective view showing an embodiment of the present invention, and FIG.
Fig. 3 is a cross-sectional explanatory view taken along the line AA, Fig. 3 is an end face explanatory view of the same, Fig. 4 is a perspective view of a connecting female screw portion of the present invention, and Fig. 5 is a mounting of a connecting female screw portion of another mechanism. FIG. 6 is an end face explanatory view showing a state, and FIG. 6 is a sectional explanatory view showing a use state of the present invention. In the figure (1): Pipe connector body (2): Step (3): Fitting groove (4): Fitting ridge (5): Connecting female screw
Claims (3)
本体の両端開口内に、金属製よりなる連結用雌螺子部を
装着したことを特徴とするセラミックスと金属の複合に
よる通気用パイプ連結具。1. A ventilation pipe connector made of a composite of ceramics and metal, wherein a female threaded portion for connection made of metal is mounted in openings of both ends of a tubular pipe connection body made of ceramics.
に、連結用雌螺子部が嵌合する段差部を設けたことを特
徴とする請求項１記載のセラミックスと金属の複合によ
る通気用パイプ連結具。2. A vent for a composite of ceramics and metal according to claim 1, wherein a stepped portion into which a female screw portion for connection is fitted is provided on inner wall surfaces of both ends of the pipe connector main body. Pipe connector.
嵌合溝部及び該嵌合溝部に嵌合する嵌合突状部を連結用
雌螺子部の外周壁面上に設けたことを特徴とする請求項
１並びに２記載のセラミックスと金属の複合による通気
用パイプ連結具。3. A fitting groove portion and fitting protrusions which fit into the fitting groove portion are provided on the inner peripheral wall surfaces of both ends of the pipe connector body on the outer peripheral wall surface of the connecting female screw portion. 3. A ventilation pipe connector made of a composite of ceramics and metal according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989070097U JPH0632544Y2 (en) | 1989-06-14 | 1989-06-14 | Ventilation pipe connector made of composite of ceramics and metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989070097U JPH0632544Y2 (en) | 1989-06-14 | 1989-06-14 | Ventilation pipe connector made of composite of ceramics and metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0312085U JPH0312085U (en) | 1991-02-07 |
| JPH0632544Y2 true JPH0632544Y2 (en) | 1994-08-24 |
Family
ID=31605975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989070097U Expired - Lifetime JPH0632544Y2 (en) | 1989-06-14 | 1989-06-14 | Ventilation pipe connector made of composite of ceramics and metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0632544Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5590328U (en) * | 1978-12-19 | 1980-06-21 |
-
1989
- 1989-06-14 JP JP1989070097U patent/JPH0632544Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0312085U (en) | 1991-02-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
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| A131 | Notification of reasons for refusal |
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| A521 | Written amendment |
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| A711 | Notification of change in applicant |
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| A02 | Decision of refusal |
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