JPH0624634Y2 - Expansion joints - Google Patents
Expansion jointsInfo
- Publication number
- JPH0624634Y2 JPH0624634Y2 JP1988114833U JP11483388U JPH0624634Y2 JP H0624634 Y2 JPH0624634 Y2 JP H0624634Y2 JP 1988114833 U JP1988114833 U JP 1988114833U JP 11483388 U JP11483388 U JP 11483388U JP H0624634 Y2 JPH0624634 Y2 JP H0624634Y2
- Authority
- JP
- Japan
- Prior art keywords
- expansion joint
- expansion
- casing
- recess
- deformation
- 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 - Fee Related
Links
Landscapes
- Joints Allowing Movement (AREA)
Description
【考案の詳細な説明】 〔考案の目的〕 （産業上の利用分野） この考案は、伸縮継手に関し、特に、帯熱部材の伸び差
を吸収するための伸縮継手に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to an expansion joint, and more particularly to an expansion joint for absorbing a difference in expansion of a heating member.
（従来の技術） 従来、帯熱・蓄熱箇所に設ける伸縮継手は、ケーシング
の間に設けてあるが、ケーシングの素材と伸縮継手との
材質及びケーシング相互の温度が異なると、熱膨張率も
異なり、また、表面と裏面とでも熱膨張率が異なり、そ
の結果、熱のために伸縮継手が変形したり、場合によっ
ては破損していた。(Prior Art) Conventionally, expansion joints provided at heat-accumulation / heat storage locations are provided between casings, but if the materials of the casing and expansion joints and the temperatures of the casings differ, the coefficient of thermal expansion also differs. Moreover, the coefficient of thermal expansion is different between the front surface and the back surface, and as a result, the expansion joint is deformed or damaged in some cases due to heat.
そのため、その変形あるいは破損に対する防止手段とし
てケーシング間に伸縮継手を設けており、その構造は水
平方向にそれぞれ波型のベローズ（Ｘ）（Ｘ）を形成
し、その間には鉛直方向に凹凸のプレート（Ｙ）を設け
たものである。（第５図、第６図参照） しかし、この構造では、上下、前後方向の膨張による変
形は、波型のベローズ（Ｘ）で吸収する事ができるが、
左右方向の膨張による変形に対する吸収は無理であっ
た。Therefore, expansion joints are provided between the casings as a means for preventing the deformation or damage, and the structure forms corrugated bellows (X) (X) in the horizontal direction, respectively, and in the meanwhile, a plate having unevenness in the vertical direction is formed. (Y) is provided. (See FIGS. 5 and 6) However, in this structure, the deformation due to the expansion in the up-down direction and the front-back direction can be absorbed by the corrugated bellows (X).
Absorption of deformation caused by lateral expansion was impossible.
（考案が解決しようとする問題点） そこでこの考案は、上記の欠点を除去し、上・下方向
（縦方向）および前・後方向はもとより、左・右方向
（横方向）の熱膨張による変形を吸収できる伸縮継手を
提供するものである。(Problems to be solved by the device) Therefore, this device eliminates the above-mentioned drawbacks, and the thermal expansion in the left / right direction (lateral direction) as well as in the up / down direction (longitudinal direction) and the front / rear direction. An expansion joint that can absorb deformation is provided.
（問題点を解決するための手段） 以下、この考案の一実施例を詳述すると、ケーシング
（Ａ）とケーシング（Ａ′）との間を被覆する伸縮継手
において、これらケーシング（Ａ），（Ａ′）に、それ
ぞれ所定間隔置きに突起部（１ａ）と凹部（１ｂ）とを
形成したフランジ（１）を相対向して設け、これらのフ
ランジ（１）間へ波型板に形成され、かつ、中途に膨出
部（２）を形成した伸縮継手（３）を設け、該伸縮継手
（３）の両端部を、それぞれ前記フランジ（１）の突起
部（１ａ）と凹部（１ｂ）へ設けたものより構成され
る。(Means for Solving the Problems) Hereinafter, an embodiment of the present invention will be described in detail. In the expansion joint covering the casing (A) and the casing (A ′), these casings (A), ( A ') are provided with flanges (1) each having a projection (1a) and a recess (1b) formed at predetermined intervals so as to face each other, and a corrugated plate is formed between these flanges (1). Moreover, an expansion joint (3) having a bulged portion (2) formed in the middle is provided, and both ends of the expansion joint (3) are respectively projected to the projection (1a) and the recess (1b) of the flange (1). It is composed of the provided ones.
尚、この考案の伸縮継手（３）は、直線状の箇所に設け
るものだけを説明したが、第４図に示すようにコーナー
部等、曲線状の箇所に設ける場合もあり、該コーナー部
等も縦断面は、第２図と同様に形成されるものである。Although the expansion joint (3) of the present invention has been described only as being provided at a linear portion, it may be provided at a curved portion such as a corner portion as shown in FIG. The vertical section is formed in the same manner as in FIG.
この考案によると、伸縮継手が熱を帯びた際、左・右方
向の熱による変形については、伸縮継手（３）の波形で
吸収し、フランジ（１）に設けた突起部（１ａ）と凹部
（１ｂ）とは、伸縮継手（３）の変形の吸収を助けるも
ので、上下・前後方向の変形については伸縮継手（３）
に形成した膨出部（２）で吸収するため、これら３方向
の熱による変形を吸収出来、ケーシング及び伸縮継手の
変形や破損等の恐れがなく、極めて有益なる効果を奏す
る。According to this invention, when the expansion joint is heated, the deformation due to the heat in the left and right directions is absorbed by the corrugation of the expansion joint (3), and the projection (1a) and the recess provided on the flange (1) are recessed. (1b) is to help absorb the deformation of the expansion joint (3), and the expansion joint (3) for the deformation in the vertical and front-back directions.
Since it is absorbed by the bulging portion (2) formed in the above, the deformation due to heat in these three directions can be absorbed, and there is no fear of deformation or damage of the casing and expansion joint, and a very beneficial effect is achieved.
第１図は、この考案の一実施例を示す一部欠截正面、第
２図は、第１図中Ｉ−Ｉ断面図、第３図は、第１図中II
−II拡大断面図、第４図は、この考案の他の実施例を示
す断面図、第５図は、従来例を示す断面図、第６図は、
第５図中III−III断面図である。 １……フランジ、１ａ……突起部、１ｂ……凹部、２…
…膨出部、３……伸縮継手、Ａ，Ａ′……ケーシング、FIG. 1 is a partially cutaway front view showing an embodiment of the present invention, FIG. 2 is a sectional view taken along line I--I in FIG. 1, and FIG. 3 is II in FIG.
-II enlarged sectional view, FIG. 4 is a sectional view showing another embodiment of the present invention, FIG. 5 is a sectional view showing a conventional example, and FIG.
It is a III-III sectional view in FIG. 1 ... Flange, 1a ... Protrusion, 1b ... Recess, 2 ...
... Bulging part, 3 ... Expansion joint, A, A '... Casing,
Claims (2)
の間を被覆する伸縮継手において、これらケーシング
（Ａ），（Ａ′）に、それぞれ突起部（１ａ）と凹部
（１ｂ）とを交互に形成したフランジ（１）を相対向し
て設け、これらのフランジ（１）間へ波型板に形成さ
れ、かつ、中途に膨出部（２）を形成した伸縮継手
（３）を設け、該伸縮継手（３）の両端部を、それぞれ
前記フランジ（１）の突起部（１ａ）と凹部（１ｂ）へ
溶着したことを特徴とする伸縮継手。1. An expansion joint for covering a space between a casing (A) and a casing (A '), wherein a projection (1a) and a recess (1b) are provided on the casing (A) and (A'), respectively. The flanges (1) formed alternately are provided to face each other, and an expansion joint (3) is formed between these flanges (1) in a corrugated plate, and a bulge portion (2) is formed in the middle. An expansion joint, wherein both ends of the expansion joint (3) are welded to the projection (1a) and the recess (1b) of the flange (1), respectively.
たは弓状であることを特徴とする、実用新案登録請求の
範囲第１項記載の伸縮継手。2. The expansion joint according to claim 1, wherein the bulging portion (2) of the expansion joint (3) is arcuate or arcuate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988114833U JPH0624634Y2 (en) | 1988-08-30 | 1988-08-30 | Expansion joints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988114833U JPH0624634Y2 (en) | 1988-08-30 | 1988-08-30 | Expansion joints |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0234893U JPH0234893U (en) | 1990-03-06 |
| JPH0624634Y2 true JPH0624634Y2 (en) | 1994-06-29 |
Family
ID=31355942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988114833U Expired - Fee Related JPH0624634Y2 (en) | 1988-08-30 | 1988-08-30 | Expansion joints |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0624634Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5325702A (en) * | 1976-08-24 | 1978-03-09 | Combustion Eng | Joining device for joining boiler wall to superposed tower house |
-
1988
- 1988-08-30 JP JP1988114833U patent/JPH0624634Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0234893U (en) | 1990-03-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |