JPH1122882A - Face-to-face dimension adjusting device - Google Patents
Face-to-face dimension adjusting deviceInfo
- Publication number
- JPH1122882A JPH1122882A JP17749297A JP17749297A JPH1122882A JP H1122882 A JPH1122882 A JP H1122882A JP 17749297 A JP17749297 A JP 17749297A JP 17749297 A JP17749297 A JP 17749297A JP H1122882 A JPH1122882 A JP H1122882A
- Authority
- JP
- Japan
- Prior art keywords
- ring member
- face
- inter
- section
- memory alloy
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Details Of Valves (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は面間調整装置で、詳
しくは、流体配管同士の接続や流体配管とバルブ等の流
体機器との接続などに際して、それら被接続部材の接続
用フランジ間に介在させて両フランジ面間の寸法を設計
通りに調整すべく用いられる面間調整装置に関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a face-to-face adjusting device, and more particularly, to a connection between fluid pipes and a connection between a fluid pipe and a fluid device such as a valve between fluid pipes. The present invention relates to an inter-surface adjusting device used to adjust the dimension between both flange surfaces as designed.
【０００２】[0002]
【従来の技術】この種の面間調整装置として、従来で
は、図３〜図５に示すような構成のものが使用されてい
た。すなわち、軸線方向の両端部に、流体配管同士ある
いは流体配管と流体機器といった２つの被接続部材Ａ，
Ｂの端部フランジＡ１，Ｂ１に周方向複数のボルト・ナ
ットＣを介して固定接合可能な一対の接続用フランジ
１，２が設けられていると共に、これら一対のフランジ
１，２の径内端部間に亘ってゴム製の面間調整用リング
部材３が固定連結されている。この面間調整用リング部
材３の軸線方向の中間部には、断面が略Ｕ字形の突曲部
４がその開口部４ａを径内方に向けて開放させるように
一体に形成されている。また、上記一対のフランジ１，
２の円周方向の複数個所において径外方に一体に突出さ
せた突片１ａ，２ａ間にはそれぞれ図５に明示するよう
なターンバックル５が掛架されており、これらターンバ
ックル５を回転操作して一対のフランジ１，２に軸線方
向の引寄せ力を加えることで、上記突曲部４をその開口
部４ａが閉鎖されるように屈曲変形させて上記リング部
材３の軸線方向長さＬを縮小可能としている。なお、上
記リング部材３の内周面には上記一対のフランジ１，２
の外面を覆い所定の接合状態で、２つの被接続部材Ａ，
Ｂの端部フランジＡ１，Ｂ１と一対のフランジ１，２と
の間をシールするシールゴム６が設けられている。2. Description of the Related Art Conventionally, a device as shown in FIGS. 3 to 5 has been used as this kind of inter-surface adjusting device. That is, two connected members A, such as fluid pipes or fluid pipes and fluid equipment, are provided at both ends in the axial direction.
A pair of connection flanges 1 and 2 which can be fixedly joined to the end flanges A1 and B1 of B through a plurality of bolts and nuts C in the circumferential direction are provided, and radial inner ends of the pair of flanges 1 and 2 are provided. A rubber surface-to-surface adjustment ring member 3 is fixedly connected between the portions. A projecting portion 4 having a substantially U-shaped cross section is integrally formed at an intermediate portion in the axial direction of the inter-surface adjusting ring member 3 so as to open the opening 4a radially inward. In addition, the pair of flanges 1,
A plurality of turnbuckles 5 as shown in FIG. 5 are hung between projecting pieces 1a and 2a integrally projecting radially outward at a plurality of locations in the circumferential direction of 2, and these turnbuckles 5 are rotated. By operating the pair of flanges 1 and 2 to apply a pulling force in the axial direction, the projecting portion 4 is bent and deformed so that the opening 4a is closed, and the axial length of the ring member 3 is increased. L can be reduced. The inner peripheral surface of the ring member 3 has the pair of flanges 1, 2.
And the two connected members A,
A seal rubber 6 for sealing between the end flanges A1, B1 of B and the pair of flanges 1, 2 is provided.
【０００３】上記構成の面間調整装置は、上記複数のタ
ーンバックル５の回転操作によって上記突曲部４をその
開口部４ａが閉鎖されるように屈曲変形させて上記リン
グ部材３の軸線方向長さＬを縮小させたうえ、図４に示
すように、２つの被接続部材Ａ，Ｂの端部フランジＡ
１，Ｂ１間に据付けるとともに、上記ターンバックル５
の逆回転操作によって上記リング部材３の軸線方向長さ
Ｌを縮小分プラスマイナス調整代だけ伸長させた後、そ
の軸線方向両端部の一対のフランジ１，２を２つの被接
続部材Ａ，Ｂの端部フランジＡ１，Ｂ１に周方向複数の
ボルト・ナットＣを介して固定接合することにより、２
つの被接続部材Ａ，Ｂの端部フランジＡ１，Ｂ１の面間
寸法を所定値に調整すべく使用される。そして、所定の
接続が完了した時点で、図３および図４に示すように、
該面間調整装置の外周位置で、周方向の複数個所におい
て上記２つの被接続部材Ａ，Ｂの端部フランジＡ１，Ｂ
１間に上記のように調整された面間寸法を固定保持する
ように、長尺ボルトＶおよびナットＮが掛け渡し連結さ
れる。In the inter-plane adjusting device having the above-described structure, the rotation of the plurality of turnbuckles 5 causes the bent portion 4 to bend and deform so that the opening 4a thereof is closed, so that the axial length of the ring member 3 is increased. 4, the end flanges A of the two connected members A and B are connected as shown in FIG.
1 and B1 and turnbuckle 5
After the length L in the axial direction of the ring member 3 is extended by the amount of reduction plus or minus the adjustment allowance by the reverse rotation operation, the pair of flanges 1 and 2 at both ends in the axial direction are connected to the two connected members A and B. By fixedly joining the end flanges A1 and B1 with a plurality of bolts and nuts C in the circumferential direction,
It is used to adjust the dimension between the surfaces of the end flanges A1, B1 of the two connected members A, B to a predetermined value. Then, when the predetermined connection is completed, as shown in FIGS. 3 and 4,
End flanges A1, B of the two connected members A, B at a plurality of positions in a circumferential direction at an outer peripheral position of the surface adjusting device.
The long bolt V and the nut N are connected to each other so as to fix and maintain the inter-plane dimension adjusted as described above between the two.
【０００４】[0004]
【発明が解決しようとする課題】上記したような構成の
従来の面間調整装置においては、リング部材３の軸線方
向長さＬを２つの被接続部材Ａ，Ｂの端部フランジＡ
１，Ｂ１間の寸法よりも縮小させる場合や、２つの被接
続部材Ａ，Ｂの端部フランジＡ１，Ｂ１間に据付けた当
該装置の一対のフランジ１，２を被接続部材Ａ，Ｂの端
部フランジＡ１，Ｂ１に当接させるべくリング部材３の
軸線方向長さＬを伸長させる場合のいずれにおいても、
円周方向の複数個所に配置された複数のターンバックル
５を一々人手によって回転操作しなければならず、２つ
の被接続部材間への据付けおよび取外し作業に多大な手
数と時間がかかるだけでなく、ターンバックル５による
伸縮であるために、その伸縮代に作業者による個人差が
生じ、２つの被接続部材Ａ，Ｂ間に据付けて接続した状
態での面間寸法調整がばらついて接続不良や流体漏れな
どを招きやすいという問題があった。In the conventional face-to-face adjusting apparatus having the above-described structure, the axial length L of the ring member 3 is set to the end flange A of the two connected members A and B.
In the case where the distance between the flanges 1 and B1 is smaller than the distance between the connected members A and B, the pair of flanges 1 and 2 of the device installed between the end flanges A1 and B1 of the two connected members A and B are connected to the ends of the connected members A and B In any case where the axial length L of the ring member 3 is extended so as to abut against the flanges A1 and B1,
A plurality of turnbuckles 5 arranged at a plurality of positions in the circumferential direction must be manually rotated one by one, and not only takes a great deal of time and labor to install and remove between the two connected members, but also Because of the expansion and contraction caused by the turnbuckle 5, individual differences in the expansion and contraction allowance between the workers occur, and the face-to-face dimension adjustment in a state of being installed and connected between the two connected members A and B varies, resulting in poor connection. There has been a problem that fluid leakage is likely to occur.
【０００５】本発明は上記実情に鑑みてなされたもの
で、２つの被接続部材間への据付けおよび取外し作業を
非常に手数少なく容易かつ迅速に行うことができ、しか
も、接続状態での面間寸法の調整を容易正確に行うこと
ができる面間調整装置を提供することを目的としてい
る。The present invention has been made in view of the above-mentioned circumstances, and the installation and removal work between two connected members can be performed easily and quickly with a very small number of steps. It is an object of the present invention to provide an inter-surface adjusting device capable of easily and accurately adjusting a dimension.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に、請求項１に記載の発明に係る面間調整装置は、軸線
方向の両端部に設けられた一対の接続用フランジと、こ
の一対のフランジ間に亘って固定連結され、その軸線方
向の中間部には径内方に向けて開口する断面略Ｕ字形の
突曲部が形成されているゴム製の面間調整用リング部材
とからなる面間調整装置において、上記ゴム製の面間調
整用リング部材の肉厚内に、第１の設定記憶温度での加
熱に伴い上記断面略Ｕ字形の突曲部をその開口部が閉鎖
されるように屈曲変形させて該リング部材の軸線方向長
さを縮小させる第１形状記憶合金を埋設していることを
特徴とするものであり、上記リング部材内に埋設した第
１形状記憶合金を第１の設定記憶温度で加熱するだけ
で、該リング部材に形成されている断面略Ｕ字形の突曲
部をその開口部が閉鎖されるように屈曲変形させて該リ
ング部材の軸線方向長さを所定（記憶値）通りに縮小さ
せることが可能であるから、２つの被接続部材の端部フ
ランジ間への当該装置の据付けおよび取外し作業を、タ
ーンバックルの回転操作などのような多大かつ面倒な手
数を要することなく、非常に容易かつ迅速に行える。In order to achieve the above object, according to the first aspect of the present invention, there is provided an inter-surface adjusting device comprising: a pair of connecting flanges provided at both ends in an axial direction; And a rubber-made face-to-face adjustment ring member having a substantially U-shaped cross-section that is open inward in the radial direction at an intermediate portion in the axial direction. In the inter-surface adjusting device, the opening of the substantially curved U-shaped cross section is closed by heating at the first set storage temperature within the thickness of the rubber inter-surface adjusting ring member. A first shape memory alloy, which is bent and deformed so as to reduce the axial length of the ring member, wherein the first shape memory alloy embedded in the ring member is embedded. Just heating at the first set storage temperature will cause the ring member to Since the formed bent portion having a substantially U-shaped cross section can be bent and deformed so that its opening is closed, the axial length of the ring member can be reduced to a predetermined (stored value). (2) Installation and removal of the device between the end flanges of the two connected members can be performed very easily and quickly without requiring a large and troublesome operation such as turning a turnbuckle.
【０００７】特に、上記請求項１に記載の発明に係る面
間調整装置において、請求項２に記載のように、上記リ
ング部材の肉厚内に、上記第１形状記憶合金の第１の設
定記憶温度とは異なる第２の設定記憶温度での加熱に伴
い上記断面略Ｕ字形の突曲部をその開口部が開放される
ように屈曲変形させて該リング部材の軸線方向長さを伸
長させる第２形状記憶合金を埋設した構成とする場合
は、当該装置を上述のように、２つの被接続部材の端部
フランジ間に縮小状態で据付けたうえ、上記リング部材
内に埋設した第２形状記憶合金を第２の設定記憶温度で
加熱することにより、上記断面略Ｕ字形の突曲部をその
開口部が開放されるように屈曲変形させて該リング部材
の軸線方向長さを正確かつ迅速に所定の調整寸法に伸長
させることが可能であり、２つの被接続部材を調整寸法
のばらつきによる接続不良や流体漏れなどを招かずに良
好に接続することができる。[0007] In particular, in the inter-plane adjusting apparatus according to the first aspect of the present invention, the first setting of the first shape memory alloy is set within the thickness of the ring member. Along with the heating at the second set storage temperature different from the storage temperature, the bent portion having a substantially U-shaped cross section is bent and deformed so that its opening is opened, thereby extending the axial length of the ring member. In the case where the second shape memory alloy is embedded, the device is installed in a reduced state between the end flanges of the two connected members as described above, and then the second shape memory embedded in the ring member is used. By heating the memory alloy at the second set storage temperature, the protruding portion having a substantially U-shaped cross section is bent and deformed so that its opening is opened, so that the axial length of the ring member can be accurately and quickly determined. Can be extended to the specified adjustment dimensions Ri, it is possible to satisfactorily connect two of the connecting member without incurring poor connection or the like and fluid leakage due to variations in the adjustment dimension.
【０００８】[0008]
【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて説明する。図１および図２は本発明に係る面
間調整装置の要部の拡大縦断面図であり、その基本的な
構成は図３および図４に示した従来のものと同様に、軸
線方向の両端部に、２つの被接続部材Ａ，Ｂの端部フラ
ンジＡ１，Ｂ１に周方向複数のボルト・ナットＣを介し
て固定接合可能な一対の接続用フランジ１，２が設けら
れていると共に、これら一対のフランジ１，２の径内端
部間に亘ってゴム製の面間調整用リング部材３が固定連
結されており、この面間調整用リング部材３の軸線方向
の中間部に、断面が略Ｕ字形の突曲部４をその開口部４
ａが径内方に向けて開放するように一体に形成されてな
るものであり、ターンバックルに代えて以下のような構
成を備えている。Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 and 2 are enlarged longitudinal sectional views of a main part of an inter-surface adjusting device according to the present invention. The basic configuration thereof is the same as that of the conventional device shown in FIGS. A pair of connecting flanges 1 and 2 that can be fixedly joined to end flanges A1 and B1 of two connected members A and B via a plurality of bolts and nuts C in the circumferential direction are provided in the portion. A rubber face-to-face adjusting ring member 3 is fixedly connected between the radial inner ends of the pair of flanges 1 and 2, and a cross-section is formed at an intermediate portion of the face-to-face adjusting ring member 3 in the axial direction. The substantially U-shaped bent portion 4 is formed with its opening 4
a is formed integrally so as to open toward the inside of the diameter, and has the following configuration instead of the turnbuckle.
【０００９】即ち、上記のような基本的構成を有する面
間調整装置において、上記ゴム製の面間調整用リング部
材３の肉厚内に、第１の設定記憶温度での加熱に伴い上
記断面略Ｕ字形の突曲部４を図１に示すように、その開
口部４ａが閉鎖されるように屈曲変形させて該リング部
材３の軸線方向長さＬを縮小させるリング部材３と略相
似形の第１形状記憶合金７を埋設しているとともに、こ
の第１形状記憶合金７の埋設個所とは径方向位置が異な
るリング部材３の肉厚内に、上記第１の設定記憶温度と
は異なる第２の設定記憶温度での加熱に伴い上記断面略
Ｕ字形の突曲部４を図２に示すように、その開口部４ａ
が開放されるように屈曲変形させて該リング部材３の軸
線方向長さＬを伸長させるリング部材３と略相似形の第
２形状記憶合金８を埋設したものである。That is, in the inter-plane adjusting device having the above-described basic configuration, in the thickness of the rubber inter-plane adjusting ring member 3, the cross-section is increased by heating at the first set storage temperature. As shown in FIG. 1, the substantially U-shaped projecting portion 4 is bent and deformed so that its opening 4a is closed, thereby reducing the axial length L of the ring member 3. Is embedded in the thickness of the ring member 3 whose radial position is different from the embedding point of the first shape memory alloy 7 and is different from the first set memory temperature. With the heating at the second set storage temperature, the projecting portion 4 having a substantially U-shaped cross section as shown in FIG.
And a second shape memory alloy 8 substantially similar in shape to the ring member 3 that is bent and deformed so as to be opened to extend the axial length L of the ring member 3.
【００１０】上記のように構成された面間調整装置を２
つの被接続部材Ａ，Ｂの端部フランジＡ１，Ｂ１間に据
付ける場合は、上記リング部材３内に埋設した第１形状
記憶合金７を第１の設定記憶温度で加熱する。この加熱
に伴い上記リング部材３に形成されている断面略Ｕ字形
の突曲部４が図１に示すように、その開口部４ａを閉鎖
するように屈曲変形されて該リング部材３の軸線方向長
さＬが所定（第１記憶値）通りに縮小されることになる
ので、当該装置を２つの被接続部材Ａ，Ｂの端部フラン
ジＡ１，Ｂ１間に図１の矢印Ｘ方向から挿入することに
より容易に据付けることが可能である。[0010] The inter-plane adjusting device constructed as described above
When installing between the end flanges A1 and B1 of the two connected members A and B, the first shape memory alloy 7 embedded in the ring member 3 is heated at a first set storage temperature. As a result of this heating, the projecting portion 4 formed in the ring member 3 and having a substantially U-shaped cross section is bent and deformed so as to close the opening 4a as shown in FIG. Since the length L is reduced as predetermined (first stored value), the device is inserted between the end flanges A1 and B1 of the two connected members A and B in the direction of arrow X in FIG. By doing so, it can be easily installed.
【００１１】そして、据付けが完了したならば、軸線方
向両端部の一対のフランジ１，２と２つの被接続部材
Ａ，Ｂの端部フランジＡ１，Ｂ１とに亘り周方向複数の
ボルト・ナットＣを挿通させた後、上記リング部材３内
に埋設した第２形状記憶合金８を第２の設定記憶温度で
加熱する。この加熱に伴い上記リング部材３に形成され
ている断面略Ｕ字形の突曲部４が図２に示すように、そ
の開口部４ａを開放するように屈曲変形されて該リング
部材３の軸線方向長さＬが所定（第２記憶値）通りに伸
長されて対向するフランジ１，Ａ１、２，Ｂ１同士が相
互に密着することになり、これによって、２つの被接続
部材Ａ，Ｂの端部フランジＡ１，Ｂ１の対向面間寸法が
所定値に調整される。この状態で上記ボルト・ナットＣ
を締め付けることにより、２つの被接続部材Ａ，Ｂを当
該面間調整装置を介して正確に所定通りの面間寸法で接
合固定することが可能である。When the installation is completed, a plurality of bolts and nuts C in the circumferential direction extend over the pair of flanges 1 and 2 at both ends in the axial direction and the end flanges A1 and B1 of the two connected members A and B. After that, the second shape memory alloy 8 embedded in the ring member 3 is heated at the second set storage temperature. As a result of this heating, the protruding portion 4 formed in the ring member 3 and having a substantially U-shaped cross section is bent and deformed so as to open the opening 4a as shown in FIG. The length L is extended as predetermined (second memory value), and the opposed flanges 1, A1, 2, B1 are in close contact with each other, whereby the end portions of the two connected members A, B The dimension between the facing surfaces of the flanges A1 and B1 is adjusted to a predetermined value. In this state, the bolt and nut C
By tightening, the two connected members A and B can be joined and fixed accurately with a predetermined inter-plane dimension via the inter-plane adjusting device.
【００１２】また、図２の接合状態を解除する場合は、
上記ボルト・ナットＣの締め付けを解除した上で、上記
リング部材３内に埋設した第１形状記憶合金７を第１の
設定記憶温度で加熱することにより、上記断面略Ｕ字形
の突曲部４を図１に示すように、その開口部４ａが閉鎖
されるように屈曲変形させてリング部材３の軸線方向長
さＬを縮小させる。これによって当該装置を２つの被接
続部材Ａ，Ｂの端部フランジＡ１，Ｂ１間から容易に取
外して接合を解除することが可能である。In order to release the joined state shown in FIG.
After releasing the tightening of the bolts and nuts C, the first shape memory alloy 7 embedded in the ring member 3 is heated at a first set storage temperature, so that the bent portion 4 having a substantially U-shaped cross section is obtained. As shown in FIG. 1, the axial length L of the ring member 3 is reduced by bending and deforming so that the opening 4 a is closed. As a result, the device can be easily removed from between the end flanges A1 and B1 of the two connected members A and B to release the connection.
【００１３】なお、上記第１および第２形状記憶合金
７，８の加熱手段としては、上記リング部材３の肉厚内
に電熱線を埋設しておき、この電熱線への通電により加
熱するようにしても、リング部材３の外部からヒーター
などを用いて加熱するようにしてもよい。A heating means for heating the first and second shape memory alloys 7 and 8 is such that a heating wire is buried in the thickness of the ring member 3 and is heated by energizing the heating wire. However, heating may be performed from outside the ring member 3 using a heater or the like.
【００１４】[0014]
【発明の効果】以上のように、請求項１に記載の発明に
よれば、ゴム製の面間調整用リング部材内に埋設した第
１形状記憶合金を第１の設定記憶温度で加熱するという
極く単純な操作を行うだけで、該リング部材の軸線方向
長さを所定（記憶値）通りに縮小させることができるの
で、２つの被接続部材の端部フランジ間への当該装置の
据付けおよび取外し作業を、従来のターンバックルの回
転操作などのような多大かつ面倒な手数を要することな
く、非常に容易かつ迅速に行なうことができるという効
果を奏する。As described above, according to the first aspect of the present invention, the first shape memory alloy embedded in the rubber-to-surface adjusting ring member is heated at the first set storage temperature. The length of the ring member in the axial direction can be reduced to a predetermined (stored value) only by performing a very simple operation, so that the installation of the device between the end flanges of the two connected members and the There is an effect that the removal operation can be performed very easily and quickly without requiring a large and troublesome operation such as a conventional rotation operation of a turnbuckle.
【００１５】また、請求項２に記載の発明によれば、上
記請求項１に記載の発明の効果に加えて、上記リング部
材内に埋設した第２形状記憶合金を第２の設定記憶温度
で加熱するという簡単な操作を行うだけで、上記リング
部材の軸線方向長さを正確かつ迅速に所定の調整寸法に
伸長させることができるので、２つの被接続部材を調整
寸法のばらつきによる接続不良や流体漏れなどを招くこ
となく、適正かつ良好に接続することができるという効
果も奏する。According to the second aspect of the present invention, in addition to the effect of the first aspect, the second shape memory alloy embedded in the ring member is maintained at the second set storage temperature. By simply performing the simple operation of heating, the axial length of the ring member can be accurately and quickly extended to a predetermined adjustment dimension. There is also an effect that the connection can be made properly and satisfactorily without inducing a fluid leakage or the like.
【図１】本発明に係る面間調整装置で、軸線方向長さを
縮小した状態を示す要部の拡大縦断側面図である。FIG. 1 is an enlarged longitudinal sectional side view of a main part showing a state in which a length in an axial direction is reduced in an inter-surface adjusting apparatus according to the present invention.
【図２】同上面間調整装置で、軸線方向長さを伸長させ
た状態を示す要部の拡大縦断側面図である。FIG. 2 is an enlarged vertical sectional side view of a main part showing a state where the length in the axial direction is extended by the upper-surface adjusting device.
【図３】従来の面間調整装置の半截正面図である。FIG. 3 is a half sectional front view of a conventional inter-plane adjusting device.
【図４】図３のＡ−Ｏ−Ａ線での断面視図である。FIG. 4 is a sectional view taken along line AOA of FIG. 3;
【図５】図３のＢ−Ｂ線に沿った拡大断面図である。FIG. 5 is an enlarged sectional view taken along the line BB of FIG. 3;
１，２ 接続用フランジ ３ ゴム製の面間調整用リング部材 ４ 断面略Ｕ字形突曲部 ４ａ 開口部 ７ 第１形状記憶合金 ８ 第２形状記憶合金 Ａ，Ｂ 被接続部材 Ａ１，Ｂ１ 端部フランジ Reference numerals 1 and 2 Flange for connection 3 Ring member made of rubber for adjusting the distance between surfaces 4 Substantially U-shaped bent portion 4a Opening 7 First shape memory alloy 8 Second shape memory alloy A, B Connected members A1, B1 End Flange
Claims (2)
続用フランジと、 この一対のフランジ間に亘って固定連結され、その軸線
方向の中間部には径内方に向けて開口する断面略Ｕ字形
の突曲部が形成されているゴム製の面間調整用リング部
材とからなる面間調整装置において、 上記ゴム製の面間調整用リング部材の肉厚内に、第１の
設定記憶温度での加熱に伴い上記断面略Ｕ字形の突曲部
をその開口部が閉鎖されるように屈曲変形させて該リン
グ部材の軸線方向長さを縮小させる第１形状記憶合金を
埋設していることを特徴とする面間調整装置。1. A pair of connecting flanges provided at both ends in the axial direction, fixedly connected between the pair of flanges, and a cross-section opening radially inward at an intermediate portion in the axial direction. An inter-plane adjusting device comprising a rubber inter-plane adjusting ring member having a substantially U-shaped projecting portion, wherein the first setting is performed within the thickness of the rubber inter-plane adjusting ring member. By embedding a first shape memory alloy for reducing the axial length of the ring member by bending and deforming the bent portion having a substantially U-shaped cross section with heating at the storage temperature so that the opening is closed. An inter-surface adjusting device, characterized in that:
状記憶合金の第１の設定記憶温度とは異なる第２の設定
記憶温度での加熱に伴い上記断面略Ｕ字形の突曲部をそ
の開口部が開放されるように屈曲変形させて該リング部
材の軸線方向長さを伸長させる第２形状記憶合金が埋設
されている請求項１に記載の面間調整装置。2. A projecting portion having a substantially U-shaped cross section in the thickness of the ring member due to heating at a second set storage temperature different from the first set storage temperature of the first shape memory alloy. 2. The inter-plane adjusting device according to claim 1, wherein a second shape memory alloy for bending and deforming the ring member so that its opening is opened to extend the axial length of the ring member is embedded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17749297A JP3471196B2 (en) | 1997-07-03 | 1997-07-03 | Surface adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17749297A JP3471196B2 (en) | 1997-07-03 | 1997-07-03 | Surface adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1122882A true JPH1122882A (en) | 1999-01-26 |
| JP3471196B2 JP3471196B2 (en) | 2003-11-25 |
Family
ID=16031856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17749297A Expired - Fee Related JP3471196B2 (en) | 1997-07-03 | 1997-07-03 | Surface adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3471196B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2265852B1 (en) * | 2008-04-03 | 2016-10-26 | Mitsubishi Heavy Industries, Ltd. | Connecting structure of double tube and assembling or disassembling method of double tube |
| WO2020121955A1 (en) * | 2018-12-11 | 2020-06-18 | 日東工器株式会社 | Connecting pipe |
-
1997
- 1997-07-03 JP JP17749297A patent/JP3471196B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2265852B1 (en) * | 2008-04-03 | 2016-10-26 | Mitsubishi Heavy Industries, Ltd. | Connecting structure of double tube and assembling or disassembling method of double tube |
| WO2020121955A1 (en) * | 2018-12-11 | 2020-06-18 | 日東工器株式会社 | Connecting pipe |
| TWI722708B (en) * | 2018-12-11 | 2021-03-21 | 日商日東工器股份有限公司 | Connecting tube |
| CN113195956A (en) * | 2018-12-11 | 2021-07-30 | 日东工器株式会社 | Connecting pipe |
| JPWO2020121955A1 (en) * | 2018-12-11 | 2021-09-27 | 日東工器株式会社 | Connecting pipe |
| US11761566B2 (en) | 2018-12-11 | 2023-09-19 | Nitto Kohki Co., Ltd. | Connecting pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3471196B2 (en) | 2003-11-25 |
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|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |