JPS5937392A - Connecting structure of pipe - Google Patents
Connecting structure of pipeInfo
- Publication number
- JPS5937392A JPS5937392A JP57145841A JP14584182A JPS5937392A JP S5937392 A JPS5937392 A JP S5937392A JP 57145841 A JP57145841 A JP 57145841A JP 14584182 A JP14584182 A JP 14584182A JP S5937392 A JPS5937392 A JP S5937392A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- flange
- hole
- pipe
- flanges
- 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
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 本発明は配管における管の接続構造に関する。[Detailed description of the invention] The present invention relates to a pipe connection structure in piping.
従来の自動車用空調配管等に使用される管継手としては
、例えば第1図及び第2図に示すようなものがある。図
において、1は、貫通孔Zaを有する金属製の7ランジ
であり、内側端面には突部Zbが形成されていて、貫通
孔Zaはこの突部Ibを貫いている。また貫通孔1hの
内径はアルミ合金等からなる管2の外径より若干小さめ
に設定されているが、7ランジIの外側端面部付近にお
いては、管2端部を挿入できる程度に形成されている。2. Description of the Related Art Examples of pipe joints used in conventional air conditioning piping for automobiles include those shown in FIGS. 1 and 2, for example. In the figure, reference numeral 1 denotes a metal seven flange having a through hole Za, a protrusion Zb is formed on the inner end surface, and the through hole Za passes through this protrusion Ib. Also, the inner diameter of the through hole 1h is set to be slightly smaller than the outer diameter of the tube 2 made of aluminum alloy, etc., but it is formed to the extent that the end of the tube 2 can be inserted near the outer end surface of the 7 lange I. There is.
他方の7ランジ3は、内側端面に開口して前記7ランジ
Iの突部Ibと嵌合する凹部3bを有し、貫通孔3aは
この凹部3bと通じている。また、貫通孔3aの内径は
アルミ合金等からなる管参の外径より若干小さめに設定
されているが、)ランク3の外側端面部付近においては
、管l端部を挿入できる程度に形成されている。なお、
管2及び管lは、それぞれフランジI及び3との結合部
6において全周ろう付されている。フランジI及び3の
接合は、7ランジIに貫通したボルト孔10からボルト
7を通して、スプリングワツノヤ8及び平ワツシヤ9を
介して7ランジ3に設けた雌ねじ部11と螺合するもの
である。こり際、フランジ1の突部Ibに通したゴム管
から成る0リング5がフランジ3の凹部3b開口全周に
設けた座ぐり部で圧縮されるようになっている。The other 7 flange 3 has a recess 3b that opens on the inner end surface and fits into the protrusion Ib of the 7 flange I, and the through hole 3a communicates with this recess 3b. Furthermore, the inner diameter of the through hole 3a is set to be slightly smaller than the outer diameter of the tube made of aluminum alloy, etc., but near the outer end surface of rank 3, it is formed to the extent that the end of the tube can be inserted. ing. In addition,
The tube 2 and the tube I are brazed all around at the joint 6 with the flanges I and 3, respectively. The flanges I and 3 are joined by passing a bolt 7 through a bolt hole 10 penetrating through the 7 flange I and screwing it into a female threaded portion 11 provided on the 7 flange 3 via a spring washer 8 and a flat washer 9. At this time, an O-ring 5 made of a rubber tube passed through the protrusion Ib of the flange 1 is compressed by a counterbore provided around the entire opening of the recess 3b of the flange 3.
しかしながら、こうした従来の管継手にあっては、管2
及び管qをそれぞれフランジI及び3に接合部6におい
て全周ろう付しなくてはならず、その際、結合部6を酸
洗する必要があって、管をフランジに結合する作業がめ
んどうな上、クール性確保のためにフランジIの突部I
bとフランジ3の凹部3bの嵌合(こ高精度が要求され
るため、その製造に大きなコストと工数がかかるという
問題があった。However, in such conventional pipe joints, the pipe 2
and pipe q must be brazed around the entire circumference at joint 6 to flanges I and 3, respectively, and in this case, it is necessary to pickle the joint 6, making the work of joining the pipe to the flange troublesome. Top, protrusion I on flange I to ensure coolness
The fitting of the recess 3b of the flange 3 to the recess 3b of the flange 3 requires high precision, which poses a problem in that it requires a large amount of cost and man-hours to manufacture.
本発明は、かかる従来の問題点に鑑み、管と7ランジの
結合作業を簡単にすると共に、クール性確保のための製
造上のコスト及び工数を低減させることを目的として、
貫通孔と内側端面に座ぐり部みが形成された一方のフラ
ンジに対し、端部付近につば部を有する一方の管を前記
座ぐり部とつば部とが係合するように該貫通孔に挿入す
る一方、貫通孔と内側端面に座ぐり部とが形成された他
方の7ランジに対し、端末にフレア一部を有する他方の
管を前記座ぐり部とフレア一部とが係合するように前記
貫通孔に挿入し、前記一方の管のつば部と他方の管のフ
レア一部との間に0リングを介して、前記両フランジを
締着する管の接続構造を提供している。In view of such conventional problems, the present invention aims to simplify the work of connecting the tube and the 7-lunge, and to reduce manufacturing costs and man-hours for ensuring coolness.
For one flange having a counterbore formed in the through hole and the inner end surface, one tube having a collar near the end is inserted into the through hole such that the counterbore and the collar engage. While inserting the other tube, which has a flared portion at its end, into the other 7 langes, which have a through hole and a counterbore portion formed on the inner end surface, the counterbore portion and the flare portion engage with each other. A tube connection structure is provided which is inserted into the through hole and fastens both flanges via an O-ring between the collar portion of the one tube and the flare portion of the other tube.
以下、本発明の第1実施例を図面に基づき従来と同一部
分については同符号を用いて説明する。Hereinafter, a first embodiment of the present invention will be described with reference to the drawings, using the same reference numerals for the same parts as in the conventional art.
第3図において、Iは貫通孔Iaを有する金属製の7ラ
ンジであり、貫通孔Zaにはアルミ合金等からなる管2
が挿入されていて、管2外周面と貫通孔Za内周面は当
接している。なお、貫通孔Ia内周面は、管2長手方向
のひだIcを有し、管2外周面に対して、すべり抵抗を
生じ、フランジ1の遊動を防止している。Zdはフラン
ジIの内側端面に形成された、貫通孔1aを中心とした
座ぐり部であり、管2の端部付近で管2自体をプレス成
型により折り返して管2全周にわたって形成されたつば
部2aと係合する。2bは管2のつば部2aより折り返
した管端部で、後述の管lに挿入されたとき、管l内周
面と当接する程度の外径にプレス成型により絞られてい
る。In FIG. 3, I is a metal seven flange having a through hole Ia, and a tube 2 made of aluminum alloy or the like is inserted into the through hole Za.
is inserted, and the outer peripheral surface of the tube 2 and the inner peripheral surface of the through hole Za are in contact with each other. The inner circumferential surface of the through hole Ia has folds Ic extending in the longitudinal direction of the tube 2, creating a sliding resistance against the outer circumferential surface of the tube 2 and preventing the flange 1 from shifting. Zd is a counterbore portion formed on the inner end surface of the flange I, centering on the through hole 1a, and a collar formed around the entire circumference of the tube 2 by folding the tube 2 itself by press molding near the end of the tube 2. It engages with part 2a. Reference numeral 2b denotes a tube end portion folded back from the flange portion 2a of the tube 2, which is narrowed by press molding to an outer diameter such that it comes into contact with the inner circumferential surface of the tube 1 when inserted into the tube 1, which will be described later.
一方、3は貫通孔3aを有する金属性の7ランジであり
、貫通孔3aにはアルミ合金等からなる管qが挿入され
ていて、菅q外周面と貫通孔3a内局面は当接している
。管3a内周面には、管長手方向のひだ3cを有し、上
記と同様にフランジ2の遊動を貼止している。3dはフ
ランジ3の内側端面に形成された、貫通孔3aを中心と
した座ぐり部であり、管qの端末に管V自体をプレス成
型により開口して形成された、末端にフランジ部IIa
を有するフレア一部Qbと係合する。また、5はゴム等
からなる0リングで、管2のつば部28と管lのフレア
一部<tbの間]こあって、゛7ランジI及び3が従来
例と同様にしてボルトで締着された際に圧縮される。I
O及び11は、それぞれフランジI及び3に形成された
ボルト貫通孔と雌ねじ部である。なお、フランジI及び
3の貫通孔r8及び3aの内周面にひだを設けるかわり
にくぼみを形成して、管2及びすの外周面にそのくぼみ
と係合するビード部を形成して、7ランジの遊動を防止
することも可能である。On the other hand, 3 is a metallic 7-lunge having a through hole 3a, into which a tube q made of aluminum alloy or the like is inserted, and the outer peripheral surface of the tube q and the inner surface of the through hole 3a are in contact with each other. . The inner circumferential surface of the tube 3a has folds 3c extending in the longitudinal direction of the tube to prevent the flange 2 from moving in the same manner as described above. 3d is a counterbore portion centered on the through hole 3a formed on the inner end surface of the flange 3, and a flange portion IIa is formed at the end of the tube q by opening the tube V itself by press molding.
The flare portion Qb is engaged with the flare portion Qb. Further, 5 is an O-ring made of rubber or the like, between the collar part 28 of the pipe 2 and the flare part of the pipe l <tb]. Compressed when worn. I
O and 11 are bolt through holes and female threads formed in the flanges I and 3, respectively. Incidentally, instead of providing pleats on the inner peripheral surfaces of the through holes r8 and 3a of the flanges I and 3, recesses are formed, and bead portions that engage with the recesses are formed on the outer peripheral surfaces of the pipes 2 and 7. It is also possible to prevent free movement of the lunge.
上記目)?、明した本実施例による管の接続構造を用い
て配管するには、まず、0リングを7ランジI内側端而
から突出した管端部2bに通して、該管端部2bを、フ
ランジ2の内側端面に開口した管lのフレア一部<<b
に挿入して接続した後、そのまま従来と同様にボルト締
めによって、2つのフランジI及び3を締着するもので
ある。Item above)? In order to perform piping using the pipe connection structure according to the present embodiment described above, first, an O-ring is passed through the pipe end 2b protruding from the inner end of the 7 flange I, and the pipe end 2b is connected to the flange 2. Flare part of pipe l opening on the inner end surface of <<b
After the two flanges I and 3 are inserted and connected, the two flanges I and 3 are tightened with bolts as in the conventional method.
第4図は本発明の第2実施例を示すもので、フランジ!
及び3の外側端面にも座ぐり部Zd及び3dを設け、管
2及びV自体をプレス成型により折り返して形成したつ
ば部2d及びψdを前記塵ぐり部Id及び3dと係合さ
せてフランジIをつば部Zdと2dではさみ込み、フラ
ンジ2をフレアー(r、(Hq h末端のフランジ部f
aとつば部+7dではさみ込むように設定したものであ
って、他の構成1作用は第一実施例と同一であるので説
明は省略する。FIG. 4 shows a second embodiment of the present invention, in which the flange!
Counterbore portions Zd and 3d are also provided on the outer end surfaces of the tubes 2 and 3, and the flanges 2d and ψd formed by folding back the tubes 2 and V themselves by press molding are engaged with the counterbore portions Id and 3d to form the flange I. Sandwich the flange part Zd and 2d, and flare the flange 2 (r, (Hq h) with the end flange part f
It is set so as to be sandwiched between the flange portion a and the flange portion +7d, and the other functions of the configuration 1 are the same as those of the first embodiment, so a description thereof will be omitted.
本実施例によれば、フランジI及び3はそれぞれ管2及
びqと完全に一体化され、7ランジI及び3の遊動は完
全に防止される。According to this embodiment, the flanges I and 3 are completely integrated with the tubes 2 and q, respectively, and the movement of the 7 flanges I and 3 is completely prevented.
以上説明したように本発明によれば、管を7ランジにろ
う付によって結合させる必要がなく、そのため当然、ろ
う付の前工程である酸洗作業を省略できる上、7ランジ
の貫通孔の形状が従来例よりはるかに簡単で、また、シ
ール性を確保する上での精度を加工精変の高いプレス成
型によって得るため製造上のコスト及び工数を大巾に低
減させることが可能である。As explained above, according to the present invention, there is no need to connect the pipe to the 7th flange by brazing, and therefore the pickling work, which is a pre-brazing process, can be omitted, and the shape of the through hole of the 7th flange can be omitted. This is much simpler than the conventional example, and since the precision in ensuring sealing performance is obtained by press molding with high processing precision, it is possible to greatly reduce manufacturing costs and man-hours.
第1図は従来の管継手の斜視図、第2図は第1図のA−
A線に沿う断面図、第3図は本発明の第1実施例を示す
フランジ同志を締着する前の状態の断面説明図、第4図
は本発明の第2実施例を示す第3図と同様の断面説明図
である。
1.3=・フランジ、Za、Ja・・−貫通孔、Id1
3d・・座ぐり部、2a・・つば部、gb・・フレア一
部、2,4(・・管、5・・0す/グ。
第n図
7
第2図
第3図
第4図Figure 1 is a perspective view of a conventional pipe joint, and Figure 2 is A-A in Figure 1.
3 is a sectional view taken along line A, FIG. 3 is an explanatory sectional view of the state before the flanges are fastened together, showing the first embodiment of the present invention, and FIG. 4 is a third diagram showing the second embodiment of the present invention. It is a cross-sectional explanatory view similar to. 1.3=・Flange, Za, Ja・・−Through hole, Id1
3d...Spot-bore part, 2a...Brim part, gb...Flare part, 2,4(...Pipe, 5...0s/g. Fig. n 7 Fig. 2 Fig. 3 Fig. 4
Claims (1)
方の7ランジに対し、端部付近につば部を有する一方の
管を前記座ぐり部とつば部とが係合するように該貫通孔
に挿入する一方、貫通孔と内側端面に座ぐり部とが形成
された他方の7ランジに対し、端末に7レア一部を有す
る他方の管を前記座ぐり部とフレア一部とが係合するよ
うに前記貫通孔に挿入し、前記一方の管のつば部と他方
の管のフレア一部との間にOIJングを介して、前記両
7ランジを締着したことを特徴とする管の接続構造。(1) For one of the 7 langes in which a through hole and an inner end surface (spotted portion) are formed, the counterbore portion and the flanged portion engage with one of the tubes that has a collared portion near the end. While inserting the other tube into the through hole, the other tube having a 7 radial portion at its end is inserted into the 7 flange with the 7 flange formed in the through hole and the inner end surface. are inserted into the through hole so as to engage with each other, and both of the seven flanges are fastened via an OIJ ring between the collar portion of the one tube and a portion of the flare of the other tube. Connection structure for pipes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57145841A JPS5937392A (en) | 1982-08-23 | 1982-08-23 | Connecting structure of pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57145841A JPS5937392A (en) | 1982-08-23 | 1982-08-23 | Connecting structure of pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5937392A true JPS5937392A (en) | 1984-02-29 |
Family
ID=15394337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57145841A Pending JPS5937392A (en) | 1982-08-23 | 1982-08-23 | Connecting structure of pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5937392A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62184276U (en) * | 1986-05-15 | 1987-11-24 | ||
JPS6337888U (en) * | 1986-08-29 | 1988-03-11 | ||
JPH0643474U (en) * | 1992-05-26 | 1994-06-10 | 株式会社三五 | Flange mounting structure for pipe |
KR20030075056A (en) * | 2002-03-15 | 2003-09-22 | 주식회사 두원냉기 | Flange assembly for joining refrigerant pipes and method to assemble it |
KR20030075057A (en) * | 2002-03-15 | 2003-09-22 | 주식회사 두원냉기 | Flange assembly for joining refrigerant pipes and method to assemble it |
JP2004239438A (en) * | 2003-02-05 | 2004-08-26 | Contitech Kuehner Gmbh & Co Kg | Coupling device for cooling medium piping |
US7469934B2 (en) | 2002-07-01 | 2008-12-30 | Denso Corporation | Pipe joint structure and method for fabricating the same |
KR20190002480U (en) * | 2018-03-26 | 2019-10-07 | 오춘환 | Tube integral tybe manifold for air conditioning comperssor |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5131797A (en) * | 1974-07-11 | 1976-03-18 | Tetsusanderuro Shemii Sa |
-
1982
- 1982-08-23 JP JP57145841A patent/JPS5937392A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5131797A (en) * | 1974-07-11 | 1976-03-18 | Tetsusanderuro Shemii Sa |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62184276U (en) * | 1986-05-15 | 1987-11-24 | ||
JPH0241433Y2 (en) * | 1986-05-15 | 1990-11-05 | ||
JPS6337888U (en) * | 1986-08-29 | 1988-03-11 | ||
JPH0643474U (en) * | 1992-05-26 | 1994-06-10 | 株式会社三五 | Flange mounting structure for pipe |
KR20030075056A (en) * | 2002-03-15 | 2003-09-22 | 주식회사 두원냉기 | Flange assembly for joining refrigerant pipes and method to assemble it |
KR20030075057A (en) * | 2002-03-15 | 2003-09-22 | 주식회사 두원냉기 | Flange assembly for joining refrigerant pipes and method to assemble it |
US7469934B2 (en) | 2002-07-01 | 2008-12-30 | Denso Corporation | Pipe joint structure and method for fabricating the same |
JP2004239438A (en) * | 2003-02-05 | 2004-08-26 | Contitech Kuehner Gmbh & Co Kg | Coupling device for cooling medium piping |
KR20190002480U (en) * | 2018-03-26 | 2019-10-07 | 오춘환 | Tube integral tybe manifold for air conditioning comperssor |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0317112Y2 (en) | ||
US4056273A (en) | Coupling for pipe lap joints | |
US4475623A (en) | Universal muffler assembly | |
JPS5937392A (en) | Connecting structure of pipe | |
US2490686A (en) | Coupling for flexible metal hose | |
JPS58128595A (en) | Screw coupling for pipe part and its manufacture | |
JPH0315896Y2 (en) | ||
KR200191225Y1 (en) | Hose connection fittings | |
JPS6037690U (en) | Lining structure of lining steel pipe joint | |
JPS6137484U (en) | Compressor external piping connection structure | |
JPS5865483U (en) | pipe fittings | |
JPH032077Y2 (en) | ||
JP3004081U (en) | Pressed copper pipe fittings | |
JPS59186581U (en) | Fittings for joining pipe ends | |
JPS60137294U (en) | piping fittings | |
JPS60129491A (en) | Metallic pipe joint | |
JPS60188817U (en) | Automotive exhaust pipe joint structure | |
JPS59196791U (en) | bent short tube | |
JPH0353516B2 (en) | ||
JPS6081381U (en) | pipe fittings | |
JPS5886984U (en) | pipe fittings | |
JPS6184295U (en) | ||
JPS6089489U (en) | pipe fittings | |
JPH10318465A (en) | Pipe splicing fitting | |
JPH0425692A (en) | Tube joint and connecting tool thereof |