JPH0776594B2 - Fitting housing - Google Patents
Fitting housingInfo
- Publication number
- JPH0776594B2 JPH0776594B2 JP2068092A JP6809290A JPH0776594B2 JP H0776594 B2 JPH0776594 B2 JP H0776594B2 JP 2068092 A JP2068092 A JP 2068092A JP 6809290 A JP6809290 A JP 6809290A JP H0776594 B2 JPH0776594 B2 JP H0776594B2
- Authority
- JP
- Japan
- Prior art keywords
- housing
- piece
- pipe joint
- processed
- clamp
- 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 With Sleeves (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は，管継手のハウジングに関する。The present invention relates to a housing for a pipe joint.
クランプ付きの管継手は，これを緩めることによって簡
単に取り外せるので内部の清掃や洗浄が必要なポンプ回
りなどに使用されることがある。しかし，一般管の継手
としてはあまり使用されておらず，あったとしても鋳物
品である。鋳物品で切削加工等によって精密加工を施さ
なければならない。したがって量産性に問題があり，価
格も高価となっている。Pipe fittings with clamps can be easily removed by loosening them, so they may be used around pumps that require cleaning or cleaning. However, it is rarely used as a joint for general pipes, and even if it is, it is a cast product. Precision processing, such as cutting, must be performed on castings. Therefore, there is a problem in mass productivity and the price is high.
このような背景のもとに，本発明は，板金プレス加工と
レーザー溶接によって管継手を簡単に造ることを意図し
たものであり，構造が簡単で製作が容易な管継手のハウ
ジングを案出したものである。Against this background, the present invention is intended to easily make a pipe joint by sheet metal stamping and laser welding, and devised a pipe joint housing having a simple structure and easy to manufacture. It is a thing.
本発明は，つば部１を持つ一方の管２の端と，レーザー
溶接加工によって形成した球座部５を端部外周にもつ他
方の管３の端とを向き合わせ，該つば部１と球座部５の
間にＯリング４を介在させたうえ，つば部１と球座部５
を外側からハウジング６で締め付けるようにした管継手
において，ハウジング６が二つの半円部ＡとＢに分割さ
れたプレス成形品からなり，両半円部ＡとＢの接合部が
嵌め合わせ部Ｃとクランプ部Ｄとで構成され，これら嵌
め合わせ部Ｃとクランプ部Ｄを構成するための部材がレ
ーザービーム切断によって所望形状に加工された加工片
を該両半円部の端にレーザー溶接で接合されていること
を特徴とする管継手のハウジングを提供するものであ
る。According to the present invention, the end of one tube 2 having the collar portion 1 and the end of the other tube 3 having the ball seat portion 5 formed by laser welding on the outer periphery of the end portion are opposed to each other, and the collar portion 1 and the ball In addition to interposing the O-ring 4 between the seats 5, the collar 1 and the ball seat 5
In a pipe joint in which the housing 6 is tightened from the outside, the housing 6 is made of a press-molded product divided into two semicircular portions A and B, and the joining portion of both semicircular portions A and B is a fitting portion C. And a clamp portion D, and members for forming the fitting portion C and the clamp portion D are processed into a desired shape by laser beam cutting, and a work piece is joined to the ends of the semicircular portions by laser welding. To provide a housing for a pipe joint.
第１図は，本発明の継手を用いて管２と管とを接続した
状態を管軸を通る一断面で示したものである。一方の管
２の端には拡径したつば部１を形成しておく。また，他
方の管３の端部外周にはレーザー溶接加工によって球座
部５を形成しておく。一方の管２のつば部１に対して他
方の管３の球座部５を向き合わせ，このつば部１と球座
部５の間にＯリング４を介在させたうえ，つば部１と球
座部５を外側からハウジング６で締め付けることによっ
て接合が完成する。球座部５は小径部イと大径部ロとを
もつ段付きリングであり，市販管を輪切りにしたうえ，
これを拡管加工し，レーザー溶接を以て管３に結合成形
する。FIG. 1 shows a state in which the pipe 2 and the pipe are connected using the joint of the present invention in one cross section passing through the pipe axis. An enlarged flange portion 1 is formed at the end of one tube 2. A ball seat 5 is formed on the outer periphery of the end of the other tube 3 by laser welding. The ball seat portion 5 of the other pipe 3 is opposed to the flange portion 1 of the one pipe 2, and the O-ring 4 is interposed between the flange portion 1 and the ball seat portion 5, and the collar portion 1 and the ball The joining is completed by tightening the seat 5 from the outside with the housing 6. The ball seat portion 5 is a stepped ring having a small diameter portion a and a large diameter portion b, and is made into a sliced commercial pipe,
This is expanded and laser welded to form the pipe 3.
第２図および第３図に示したように，ハウジング６は，
プレス成形品からなる半円部ＡとＢとで形成されてお
り，これら半円部ＡとＢが嵌め合わせ部Ｃとクランプ部
Ｄとで接合される。半円部ＡとＢは同形の板金プレス成
形で簡易に製作され，またこれらの接合部の部材も，レ
ーザービーム切断によって製作した加工片を使用し，こ
れをレーザー溶接によって取付けることによって接合部
を構成する。嵌め合わせ部Ｃは，一方の半円部に溝付き
加工片8cを，他方の半円部にレーザービーム切断加工さ
れた係止片付き加工片９をレーザー溶接接合して構成さ
れ，クランプ部Ｄはレーザービーム切断加工された溝付
き加工片8bと8cを両半円部にレーザー溶接接合して構成
される。8a,8b,8cは図示の例では同型である。As shown in FIGS. 2 and 3, the housing 6 is
It is formed by press-molded semi-circular parts A and B, and these semi-circular parts A and B are joined by a fitting part C and a clamp part D. The semi-circular parts A and B are easily manufactured by the same sheet metal press forming, and the members of these joints also use the processed pieces manufactured by laser beam cutting, and the joints are attached by laser welding. Constitute. The fitting portion C is formed by laser-welding a grooved processed piece 8c on one semicircle and a laser beam cut processed piece 9 with a locking piece on the other semicircle. It is configured by laser-welded joining the grooved workpieces 8b and 8c that have been laser-beam cut to both semi-circles. 8a, 8b, 8c are of the same type in the illustrated example.
第２図には接合前のクランプ部Ｄを示したが，同図に見
られるように，コ型の切欠溝10を前端面に設けた溝付き
加工片8cと8bが半円部Ａと半円部Ｂの端面に固着され，
この切欠溝10に，係止片11を底部にもつボルト12を差し
込み，ナット13で締め付ける。この状態は第３図のＤ部
にも示されている。クランプ部Ｄの締め付け操作は嵌め
合わせ部Ｃで両半円部の他端を係止した状態で行う。Fig. 2 shows the clamp part D before joining, but as shown in the figure, the grooved work pieces 8c and 8b provided with the U-shaped notch groove 10 on the front end face are semicircular parts A and half. Fixed to the end surface of the circle B,
A bolt 12 having a locking piece 11 at the bottom is inserted into the notch groove 10 and tightened with a nut 13. This state is also shown in part D of FIG. The clamping operation of the clamp part D is performed with the fitting part C locking the other ends of both semicircular parts.
嵌め合わせ部Ｃは，第３図に見られるように，一方の半
円部にクランプ部と同様の溝付き加工片8aを取付け，こ
の加工片8aの溝に，他方の半円部に取りつけた加工片９
の係止片14を係合させることによって，接合する。As shown in FIG. 3, the fitting portion C was provided with a grooved work piece 8a similar to the clamp portion on one half circle, and was attached to the other half circle on the groove of this work piece 8a. Processed piece 9
The engagement is performed by engaging the locking pieces 14 of.
第４図は，この係止片14付きの加工片９の形状と製作過
程を示したものであり，先ず第４図（ａ）に示した形状
の加工片を作り，これを第４図（ｂ）のようにプレス加
工する。すなわち，第４図（ａ）のように方形の金属片
からハウジングの外周形状に沿った切欠部15を形成する
と共に，この切欠部15と対向する側に係止片14が形成さ
れるように，両側部を切り欠いて中央杆16を残存させ
る。そして，第４図（ｂ）に示したように，中央杆16の
根もとを90゜の折り曲げ加工を行う。そのさい，レーザ
ービームで曲げ部にレーザーカット条を堀り込んでおく
のがよい。このように形成された係止片14付きの加工片
９は，ハウジングの端部の外周に，該切欠部15を嵌め
て，図の18で示す部位をレーザー溶接する。FIG. 4 shows the shape and manufacturing process of the processed piece 9 with the locking piece 14. First, a processed piece having the shape shown in FIG. Press as in b). That is, as shown in FIG. 4 (a), a cutout 15 is formed from a rectangular metal piece along the outer peripheral shape of the housing, and a locking piece 14 is formed on the side facing the cutout 15. ， Cut out both sides so that the central rod 16 remains. Then, as shown in FIG. 4 (b), the root of the central rod 16 is bent by 90 °. At that time, it is better to dig a laser-cut strip in the bend with a laser beam. The processed piece 9 with the locking piece 14 formed in this way is fitted with the notch 15 on the outer periphery of the end of the housing, and the portion shown by 18 in the drawing is laser-welded.
第５図は，溝付き加工片8a,8b,8cの形状と製作過程を示
したものであり，第５図（ａ）に示したように，方形の
金属片からハウジングの外周形状に沿った切欠部15を形
成すると共に，この切欠部15と対向する側の縁部にコ型
の切欠溝10が形成されるように切り欠いて，二本の突出
片19a,19bを形成する。そして，第５図（ｂ）に示すよ
うにこの突出片19a,19bの先端部に若干の曲がり部20a,2
0bを形成する。この曲がり部20a,20bは，加工片９の係
止片14,ボルトの係止片11およびナット13の滑り止めと
して機能する。このように形成された加工片8a,8b,8c
は，第４図の場合と同様に，ハウジングの端部の外周に
該切欠部15を嵌めてたうえ18で示す部位をレーザー溶接
して接合される。FIG. 5 shows the shape and manufacturing process of the grooved work pieces 8a, 8b, 8c. As shown in FIG. 5 (a), a rectangular metal piece is drawn along the outer peripheral shape of the housing. The notch 15 is formed, and two protruding pieces 19a and 19b are formed by notching so that the U-shaped notch groove 10 is formed at the edge portion on the side facing the notch 15. Then, as shown in FIG. 5 (b), a slight bending portion 20a, 2 is formed at the tip of the protruding piece 19a, 19b.
Form 0b. The bent portions 20a and 20b function as slip stoppers for the locking piece 14 of the work piece 9, the locking piece 11 of the bolt, and the nut 13. Work pieces 8a, 8b, 8c formed in this way
As in the case of FIG. 4, the notch 15 is fitted on the outer periphery of the end of the housing, and the portion indicated by 18 is laser-welded to be joined.
第６図は，クランプ部Ｄで締め付けるセットボルト12と
ナット13を示したものであるが，セットボルト12は金属
片から（ａ）図のようなＴ型の形状にレーザービームカ
ットし，（ｂ）図のようにそのロッド部にネジ加工12を
施す。このボルトの係止片11は加工片９の係止片14とほ
ぼ同型である。またナット13の（Ｃ）図に示すように背
面には緩み防止ワッシャ21を取付ける。FIG. 6 shows a set bolt 12 and a nut 13 which are tightened at the clamp part D. The set bolt 12 is a laser beam cut from a metal piece into a T-shape as shown in FIG. ) Thread 12 on the rod as shown. The locking piece 11 of this bolt has substantially the same shape as the locking piece 14 of the work piece 9. Also, a loosening prevention washer 21 is attached to the rear surface of the nut 13 as shown in FIG.
第７図は，嵌め合わせ部Ｃとクランプ部Ｄの両接合部に
使用するワイヤースプリング22の形状を示している。こ
れは，加工片９の係止片14と同型のボルトの係止片11と
が嵌め合わせ部Ｃとクランプ部Ｄのいずれでも弾性的に
仮止めできるようにしたものであり，第３図の示すよう
に，係止片11または係止片14にこのワイヤースプリング
22をショルダー架けしたうえ，加工片8aや8cにこのスプ
リング22の曲げ部を鉤止めする。これによって，嵌め合
わせ部Ｃでは，ワイヤースプリング22の弾力な範囲でそ
の嵌め合わせ部がヒンジ接合のように接合部を軸として
回動することができ，ハウジングの取付け操作が安定し
て行なえる。またクランプ部Ｄでもボルト12がこのワイ
ヤースプリング22で弾力的に仮止めされるので，ボルト
13の締め付け操作が安定して行なえる。FIG. 7 shows the shape of the wire spring 22 used at both joints of the fitting portion C and the clamp portion D. This is designed so that the locking piece 14 of the work piece 9 and the locking piece 11 of the same type of bolt can be elastically temporarily fixed at either the fitting portion C or the clamp portion D, as shown in FIG. Attach the wire spring to the locking pieces 11 or 14 as shown.
22 is hung on the shoulder, and the bent portion of the spring 22 is hooked to the processed pieces 8a and 8c. As a result, in the fitting portion C, the fitting portion can rotate about the joint portion like a hinge joint within the elastic range of the wire spring 22, and the housing mounting operation can be performed stably. Also in the clamp part D, the bolt 12 is elastically temporarily fixed by the wire spring 22, so
13 tightening operation can be performed stably.
以上の構成になる本発明の管継手は，従来の鋳物品のよ
うに精密な切削加工によって造られるものではなく，プ
レス加工と溶接時にレーザービーム溶接によって製作さ
れる。したがって，素材が市場で簡単に入手できる管や
板でよく，その加工精度も鋳物品に比べると非常に簡易
にして高めることができる。しかも，ハウジングの締め
付け操作は安定して且つ確実に行うことができる。この
ため，従来のものにはない安価且つ操作性のよい管継手
が提供される。The pipe joint of the present invention having the above-mentioned configuration is not manufactured by precision cutting work as in conventional castings, but is manufactured by laser beam welding during press working and welding. Therefore, the material may be a tube or plate that can be easily obtained on the market, and the processing accuracy thereof can be made much simpler and higher than that of a cast product. Moreover, the tightening operation of the housing can be performed stably and reliably. Therefore, an inexpensive and easy-to-operate pipe joint, which is not available in the past, is provided.
第１図は本発明の継手を用いて管を接続した状態を管軸
を通る一断面で示した断面図，第２図は本発明の継手ハ
ウジングをそのクランプ部で接合する状態を説明するた
めの斜視図，第３図は本発明の継手ハウジングの正面
図，第４図（ａ）は係止片付き加工片の中間形状を示す
斜視図，第４図（ｂ）は同加工片の最終形状を示す斜視
図，第５図（ａ）は溝付き加工片の中間形状を示す斜視
図，第５図（ｂ）は同加工片の最終形状を示す斜視図，
第６図（ａ）はクランプ部で使用するボルトの半加工品
を示す斜視図，第６図（ｂ）は同ボルトの加工品を示す
斜視図，第６図（ｃ）はクランプ部で使用するナットを
示す斜視図，第７図はスプリングワイヤーの形状を示す
斜視図である。 １……つば部,2……一方の管， ３……他方の管,4……Ｏリング， ５……球座部,6……ハウジング， ８……溝付き加工片,9……係止片付き加工片 10……コ型切欠溝,11……ボルトの係止片 12……ボルト,13……ナット， 14……加工片９の係止片,20……曲がり部。FIG. 1 is a cross-sectional view showing a state in which pipes are connected using a joint of the present invention in one section passing through a pipe axis, and FIG. 2 is a view for explaining a state in which a joint housing of the present invention is joined at its clamp portion. FIG. 3 is a front view of the joint housing of the present invention, FIG. 4 (a) is a perspective view showing an intermediate shape of a processed piece with a locking piece, and FIG. 4 (b) is a final shape of the processed piece. Fig. 5 (a) is a perspective view showing an intermediate shape of the grooved processed piece, and Fig. 5 (b) is a perspective view showing the final shape of the processed piece.
6 (a) is a perspective view showing a semi-finished product of a bolt used in the clamp part, FIG. 6 (b) is a perspective view showing a processed product of the same bolt, and FIG. 6 (c) is used in the clamp part. 7 is a perspective view showing the shape of the spring wire, and FIG. 7 is a perspective view showing the shape of the spring wire. 1 ... Collar part, 2 ... One tube, 3 ... Other tube, 4 ... O-ring, 5 ... Ball seat, 6 ... Housing, 8 ... Grooved workpiece, 9 ... Work piece with stopper 10 …… U-shaped notch groove, 11 …… Bolt locking piece 12 …… Bolt, 13 …… Nut, 14 …… Working piece 9 locking piece, 20 …… Bent part.
Claims (4)
ー溶接加工によって形成した球座部５を端部外周にもつ
他方の管３の端とを向き合わせ，該つば部１と球座部５
の間にＯリング４を介在させたうえ，つば部１と球座部
５を外側からハウジング６で締め付けるようにした管継
手において，該ハウジング６が二つの半円部ＡとＢに分
割されたプレス成形品からなり，両半円部ＡとＢの接合
部が嵌め合わせ部Ｃとクランプ部Ｄとで構成され，これ
ら嵌め合わせ部Ｃとクランプ部Ｄを構成するための部材
がレーザービーム切断によって所望形状に加工された加
工片を該両半円部の端にレーザー溶接で接合されている
ことを特徴とする管継手のハウジング。1. An end of one tube 2 having a collar portion 1 and an end of another tube 3 having a ball seat portion 5 formed by laser welding on the outer periphery of the end portion are opposed to each other, and the collar portion 1 and Ball seat 5
In a pipe joint in which an O-ring 4 is interposed between the flange portion 1 and the ball seat portion 5 from outside, the housing 6 is divided into two semicircular portions A and B. It consists of a press-molded product, and the joining part of both semicircular parts A and B is composed of a fitting part C and a clamp part D, and the members for forming these fitting part C and the clamp part D are formed by laser beam cutting. A housing for a pipe joint, wherein a processed piece processed into a desired shape is joined to the ends of the two semicircular portions by laser welding.
加工片8aと，係止片14をもつ加工片９とからなり，該係
止片14が該切欠溝10にスプリングワイヤー22を介在して
仮止めされる請求項１に記載の管継手のハウジング。2. The fitting portion C comprises a processed piece 8a having a U-shaped cutout groove 10 and a processed piece 9 having a locking piece 14, and the locking piece 14 is fitted into the cutout groove 10 by a spring wire. The housing of the pipe joint according to claim 1, wherein the housing is temporarily fixed by interposing 22.
8cとからなり，これら切欠溝10に係止片11付きのボルト
12を差し込み，ナット13で締め付けられる請求項１また
は２に記載の管継手のハウジング。3. The clamp portion D includes a work piece 8b having a U-shaped groove 10.
8c and bolts with locking pieces 11 in these notches 10.
The housing of the pipe joint according to claim 1 or 2, wherein 12 is inserted and tightened with a nut 13.
在して締め付けられる請求項３に記載の管継手のハウジ
ング。4. The housing of the pipe joint according to claim 3, wherein the clamp portion D is clamped with a spring wire 22 interposed therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2068092A JPH0776594B2 (en) | 1990-03-20 | 1990-03-20 | Fitting housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2068092A JPH0776594B2 (en) | 1990-03-20 | 1990-03-20 | Fitting housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03272387A JPH03272387A (en) | 1991-12-04 |
| JPH0776594B2 true JPH0776594B2 (en) | 1995-08-16 |
Family
ID=13363749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2068092A Expired - Fee Related JPH0776594B2 (en) | 1990-03-20 | 1990-03-20 | Fitting housing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0776594B2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2840017B2 (en) * | 1993-12-07 | 1998-12-24 | 高砂熱学工業株式会社 | Construction method of fire extinguishing piping system |
| JP2840018B2 (en) * | 1994-01-26 | 1998-12-24 | 高砂熱学工業株式会社 | Unwinding pipe member and head support body support device |
| KR100649437B1 (en) * | 2000-11-20 | 2006-11-24 | 한라공조주식회사 | Structure for connecting pipe of heat exchanger |
| KR100754501B1 (en) * | 2007-01-03 | 2007-09-03 | 우양호 | Pipe joint with easy attaching and detaching |
| DE102012009256B4 (en) * | 2012-05-02 | 2015-08-06 | Norma Germany Gmbh | profile clip |
| US11378208B2 (en) | 2016-12-14 | 2022-07-05 | ASC Engineered Solutions, LLC | Pipe couplings |
| EP3570944A4 (en) * | 2017-01-19 | 2020-09-09 | Victaulic Company | Direct coupling compatible sprinkler |
| US11448346B2 (en) | 2018-09-28 | 2022-09-20 | ASC Engineered Solutions, LLC | Pipe coupling |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5319130A (en) * | 1976-08-07 | 1978-02-22 | Nissan Motor Co Ltd | Recovering and separating method of noble metals |
| JPS60180889U (en) * | 1984-05-10 | 1985-11-30 | 安田 末吉 | Pipe sealing O-ring crushing adjustment device |
-
1990
- 1990-03-20 JP JP2068092A patent/JPH0776594B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03272387A (en) | 1991-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4329768A (en) | Method of manufacturing a lock follower arm with a press-fitted hub | |
| US4601448A (en) | Hose midway holder | |
| AU4158085A (en) | Connection for pipes | |
| JPH0776594B2 (en) | Fitting housing | |
| US4650223A (en) | Hose joint | |
| US10570951B2 (en) | Method for manufacture of a chassis module and chassis module manufactured according to such a method | |
| US4621760A (en) | Method of producing a friction welded article | |
| EP0774081B1 (en) | One-piece stamped clamp yoke | |
| JPS617026A (en) | Method of joining metallic sheet, device thereof and joiningstructure of metallic sheet | |
| JPH106070A (en) | Straight round bar welded member in middle part and its welding method | |
| JP3305618B2 (en) | Fastening structure between members | |
| US5025977A (en) | Bicycle drop-out and method of attachment | |
| JPH0686033B2 (en) | Backing member for welded joint of rebar | |
| JP2534887B2 (en) | Manufacturing method of metal tweezers | |
| JP3650225B2 (en) | Clamp bracket | |
| JP2766585B2 (en) | Formwork fittings | |
| JP2541373Y2 (en) | Metal fittings for rebar butt weld joints | |
| JPH0742945Y2 (en) | Motorcycle body frame | |
| JP7010148B2 (en) | Two-part joining method and closed-section structural member assembly method | |
| JPH034844Y2 (en) | ||
| JPH0568361B2 (en) | ||
| JP2551979Y2 (en) | Clamp for pipe piping | |
| JPH0684125B2 (en) | Link | |
| JP2581610Y2 (en) | Press mold for bending | |
| JPH07190265A (en) | Manufacture of pipe joint and housing of the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |