JPS63186091A - Bellows and manufacture thereof - Google Patents
Bellows and manufacture thereofInfo
- Publication number
- JPS63186091A JPS63186091A JP62016136A JP1613687A JPS63186091A JP S63186091 A JPS63186091 A JP S63186091A JP 62016136 A JP62016136 A JP 62016136A JP 1613687 A JP1613687 A JP 1613687A JP S63186091 A JPS63186091 A JP S63186091A
- Authority
- JP
- Japan
- Prior art keywords
- annular
- section
- cross
- bellows
- sharp
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 5
- 230000008602 contraction Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Landscapes
- Joints Allowing Movement (AREA)
- Rigid Pipes And Flexible Pipes (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】
〔産業上の利用分野〕
この発明は流体用伸縮継手あるいはその他の伸縮部材と
して使用するベローズおよびその製造方法に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a bellows used as a fluid expansion joint or other expandable member, and a method for manufacturing the same.
従来、ベローズとしては、実公昭４９−９３８０号公報
により公表されているように、円筒体に、その円筒体を
含む円筒面上に位置する尖鋭谷部と、前記円筒体の外側
に位置する尖鋭山部と、前記尖鋭谷部および尖鋭山部を
１直線で結ぶ環状板体とからなる多数の環状Ｖ波形部分
を屈曲形成した構造のベローズが知られている。そして
この環状Ｖ波形部分を有するペローＸの場合は、半円形
断面の谷部および半円形断面の山部を有する多数の環状
波形部分を備えているベローズに比べて、同一長さの範
囲で環状波形の数を多くできることで伸縮量を大きくと
れるという利点を有する。Conventionally, as disclosed in Japanese Utility Model Publication No. 49-9380, bellows have a cylindrical body, a sharp valley portion located on the cylindrical surface including the cylindrical body, and a sharp valley portion located on the outside of the cylindrical body. A bellows is known which has a structure in which a large number of annular V-waveform portions are bent and formed by a peak portion and an annular plate body connecting the sharp valley portions and the sharp peak portions with a straight line. In the case of the Perot X having this annular V-waveform part, compared to a bellows having a large number of annular waveform parts having valleys with a semicircular cross section and peaks with a semicircular cross section, the perot X has an annular shape within the same length. It has the advantage that the amount of expansion and contraction can be increased by increasing the number of waveforms.
しかしながら、前記多数の環状Ｖ波形部分を有するベロ
ーズの場合、環状板体は尖鋭谷部と尖鋭山部とを一直線
で結ぶ板体であるので、前記環状板体が伸縮時に反転現
象を生じ、そのためベローズの伸縮量はそれ程大きくな
らない。However, in the case of the bellows having a large number of annular V-shaped wave portions, since the annular plate is a plate that connects the sharp valley and the peak in a straight line, an inversion phenomenon occurs when the annular plate expands and contracts. The amount of expansion and contraction of the bellows does not increase that much.
また前記従来の多数の環状Ｖ波形部分を有するベローズ
を製造する場合、まず第６図に示すように、円筒体１を
含む円筒面上に位置する半円形断面の谷部１５および円
筒体の外側に位置する半円形断面の山部１６を有する環
状波形部分１７を成形し、次に第７図に示すように、前
記円筒体の外側において一対の型１８．１９によシ前記
猿状波形部分１７を押潰す必要があるが、前記半円形断
面の谷部１５における内周側部分は、型１８．１９の内
周面よりも内側に突出している部分が少ないので、前記
半円形断面の谷部全体を押潰すことができず、そのため
第８図に示すように、比較的大半径の円形部分２０が生
じ、尖鋭谷部を形成することができない。In addition, when manufacturing the conventional bellows having a large number of annular V-shaped portions, first, as shown in FIG. An annular corrugated portion 17 having a crest 16 of semi-circular cross section located at is formed, and then, as shown in FIG. Although it is necessary to crush the trough 17, since the inner peripheral side portion of the trough 15 with the semicircular cross section has a smaller portion protruding inward than the inner periphery of the mold 18 and 19, the trough 15 with the semicircular cross section As a result, as shown in FIG. 8, a circular portion 20 with a relatively large radius is generated, making it impossible to form a sharp valley.
この発明は、尖鋭な谷部を容易に形成することができ、
かつ前記従来のベローズよりもさらに伸縮量を容易に得
ることができるベローズおよびその製造方法を提供する
ことを目的とするものであって、この発明の要旨とする
ところは、円筒体１の内側例位置する尖鋭Ｖ形断面の谷
部２と、円筒体１の外側に位置する尖鋭Ｖ形断面の山部
６と、前記谷部および山部の間に介在された鈍角Ｖ形層
折断面の環状板４とからなる多数の環状屈折波形部分５
が形成されていることを特徴とするベローズを第１発明
とし、円筒体１の内側１に位置する半円形断面の谷部６
とその円筒体１の外側に位置する半円形断面の山部７と
を有する多数の環状波形部分８を形成し、次に前記各環
状波形部分８における円筒体１の内側に位置する部分を
一対の内型９．１０によシ押潰し、かつ前記各環状波形
部分８における円筒体１の外側に位置する部分を、鈍角
Ｖ形断面の環状突条１１および環状溝１２を有する一対
の外型１３，１４により押潰して、各環状波形部分に尖
鋭Ｖ形断面の谷部２と、尖鋭Ｖ形断面の山部３と、その
谷部２および山部３の間に介在された鈍角Ｖ形層折断面
の環状板４とを形成することを特徴とするベローズの製
造方法を第２発明とするものである。With this invention, sharp valleys can be easily formed,
It is an object of the present invention to provide a bellows that can easily expand and contract more than the conventional bellows, and a method for manufacturing the same. A trough portion 2 having a sharp V-shaped cross section located therein, a peak portion 6 having a sharp V-shaped cross section located on the outside of the cylindrical body 1, and an annular shape having an obtuse V-shaped laminated cross section interposed between the valley portion and the peak portion. a large number of annular refractive waveform portions 5 consisting of plates 4;
The first invention provides a bellows characterized in that a trough portion 6 having a semicircular cross section is located on the inner side 1 of the cylindrical body 1.
A large number of annular waveform portions 8 having semicircular cross-sectional peaks 7 located on the outside of the cylindrical body 1 are formed, and then a pair of portions of each of the annular waveform portions 8 located on the inside of the cylindrical body 1 are formed. A pair of outer molds having an annular protrusion 11 and an annular groove 12 having an obtuse V-shaped cross section 13 and 14, each annular waveform portion has a valley portion 2 with a sharp V-shaped cross section, a peak portion 3 with a sharp V-shaped cross section, and an obtuse V shape interposed between the valley portion 2 and the peak portion 3. A second invention provides a method for manufacturing a bellows, characterized in that an annular plate 4 having a layered cross section is formed.
次にこの発明を図示の例によって詳細に説明する。 Next, the present invention will be explained in detail using illustrated examples.
この発明を実施してベローズを製造する場合は、金属製
素管２）にロール力ロエを施して多数の環状溝２２を一
定間隔で形成したのち、前記素管２）における環状溝２
２の間の部分および端部の環状溝２２に近接する部分に
外向き突出加工を施して、第２図に示すように、円筒体
１の中間部に、その円筒体１の内側に位置する半円形断
面の谷部６と円筒体１の外側に位置する半円形断面の山
部７とを有する多数の環状波形部分８を形成する。When manufacturing a bellows by carrying out this invention, a large number of annular grooves 22 are formed at regular intervals by applying roll force rolling to the metal raw pipe 2), and then the annular grooves 22 in the raw metal pipe 2) are
2 and a portion near the annular groove 22 at the end thereof are processed to protrude outward, and as shown in FIG. A large number of annular corrugated portions 8 having troughs 6 with semicircular cross sections and peaks 7 with semicircular cross sections located on the outside of the cylindrical body 1 are formed.
次に第６図および第４図に示すように、前記各環状波形
部分８における円筒体１の内側の部分を一対の内型９．
１０により押潰し、かつ前記各環状波形部分８における
円筒体１の外側の部分を、鈍角Ｖ形断面の環状突条１１
および環状溝１２を備えている一対の外型１３．１４に
より押潰して、第５図に示すように、前記環状波形部分
に、尖鋭Ｖ形断面の谷部２と尖鋭Ｖ形断面の山部３と鈍
角Ｖ形層折断面の環状板４とを形成したベローズを製作
する。Next, as shown in FIGS. 6 and 4, the inner part of the cylindrical body 1 in each annular waveform portion 8 is molded into a pair of inner molds 9.
10, and the outer portion of the cylindrical body 1 in each annular waveform portion 8 is formed into an annular protrusion 11 having an obtuse V-shaped cross section.
and a pair of outer molds 13 and 14 having an annular groove 12 are crushed to form a trough 2 with a sharp V-shaped cross-section and a peak with a sharp V-shaped cross-section in the annular wave-shaped part, as shown in FIG. 3 and an annular plate 4 having an obtuse V-shaped folded section are manufactured.
この発明を実施する場合、譲状板４における鈍角Ｖ形屈
折部分の数は任意数であってもよい。When carrying out this invention, the number of obtuse V-shaped bent portions in the concession plate 4 may be any number.
この発明によれば、尖鋭Ｖ字形断面の谷部２と、尖鋭Ｖ
形断面の山部３と、その谷部２および山部乙の間に介在
された鈍角Ｖ形層折断面の環状板４とからなる多数の環
状屈折波形部分５が、円筒体１に連設されて、ベローズ
が構成てれているので、各環状屈折波形部分５における
尖鋭Ｖ形断面の谷部２および山部３の部分を大さく伸縮
させることができ、かつ鈍角Ｖ形層折断面の環状板４に
おける屈折部を容易に屈折させることができ、その゛た
めベローズの伸縮を容易にすることができる。また円筒
体１の内側に位置する半円形断面の谷部６とその円筒体
１の外促に位置する半円形断面の山部７とを有する多数
の環状波形部分８を形成し、次に前記各環状波形部分８
における円筒体１の内側に位置する部分を一対の内型９
．１０により押潰し、かつ前記各環状波形部分８におけ
る円筒体１の外側に位置する部分を、鈍角Ｖ形断面の環
状製条１１および環状溝１２を有する一対の外型１３．
１４により押潰すので、各環状波形部分に尖鋭Ｖ形断面
の谷部２と、尖鋭Ｖ形断面の山部３と、その谷部２およ
び山部乙の間に介在された鈍角Ｖ形屈折断面の環状仮４
とを容易に形成して伸縮量が大きいベローズを容易に製
造することができる効果が得られる。According to this invention, the valley portion 2 having a sharp V-shaped cross section and the sharp V
A large number of annular refraction waveform parts 5 are connected to the cylindrical body 1, and each of the annular bending waveform parts 5 is composed of a peak part 3 having a shaped cross section, and an annular plate 4 having an obtuse V-shaped folded cross section interposed between the valley part 2 and the peak part B. Since the bellows is constituted by the bellows, the trough portions 2 and peak portions 3 of the acute V-shaped cross section in each annular refraction waveform portion 5 can be greatly expanded and contracted, and the portions of the obtuse V-shaped layered cross-section can be expanded and contracted. The bent portion in the annular plate 4 can be easily bent, and therefore the bellows can be easily expanded and contracted. Further, a large number of annular wave-shaped portions 8 having a trough portion 6 with a semicircular cross section located inside the cylindrical body 1 and a peak portion 7 with a semicircular cross section located on the outer side of the cylindrical body 1 are formed, and then the Each annular waveform portion 8
The inner part of the cylindrical body 1 in the pair of inner molds 9
．． 10, and the portion of each annular waveform portion 8 located outside the cylindrical body 1 is formed into a pair of outer molds 13.
14, each annular waveform part has a valley part 2 with a sharp V-shaped cross section, a peak part 3 with a sharp V-shaped cross section, and an obtuse V-shaped bent cross section interposed between the valley part 2 and the peak part B. circular temporary 4
The effect is that a bellows with a large amount of expansion and contraction can be easily manufactured by easily forming the bellows.
第１図ないし第５図はこの発明のベローズの製造順序を
示すものであって、第１図は素管にｏ −ルカ０工を施
して多数の環状溝を形成した状態を示す一部縦断側面図
、第２図はベローズ素材を示す縦断側面図、第３図はそ
のベローズ素材における各環状波形部分を押潰している
状態を示す縦断側面図、第４図はその一部を拡大して示
す縦断側面図、第５図は完成したベローズを示す縦断側
面図である。
第６図は従来のベローズを製造する場合のベローズ素材
を示す縦断仰１面図、第７図はそのベローズ素材を押潰
している状態を示す縦断併ｊ面図、第８図は押潰しによ
り形成された谷部を拡大して示す縦断側面図である。
図において、１は円筒体、２は谷部、３は山部、４は塩
状板、５は環状屈折波形部分、６は谷部、７は山部、８
は環状波形部分、９および１０は内型、１１は環状突条
、１２は環状溝、１３および１４は外型、２）は金属製
素管、２２は環状溝である。Figures 1 to 5 show the manufacturing order of the bellows of the present invention, and Figure 1 is a partial longitudinal section showing a state in which a large number of annular grooves have been formed by applying o-luka milling to the raw pipe. 2 is a vertical sectional side view showing the bellows material, FIG. 3 is a vertical sectional side view showing the state in which each annular waveform part of the bellows material is crushed, and FIG. 4 is a partially enlarged view. FIG. 5 is a vertical side view showing the completed bellows. Fig. 6 is a longitudinal cross-sectional view showing the bellows material used in manufacturing conventional bellows, Fig. 7 is a longitudinal cross-sectional view showing the bellows material being crushed, and Fig. 8 is a vertical cross-sectional view showing the bellows material being crushed. FIG. 3 is a longitudinal side view showing an enlarged view of a formed valley. In the figure, 1 is a cylindrical body, 2 is a valley, 3 is a peak, 4 is a salt plate, 5 is an annular refraction waveform, 6 is a valley, 7 is a peak, 8
1 is an annular waveform portion, 9 and 10 are inner molds, 11 is an annular protrusion, 12 is an annular groove, 13 and 14 are outer molds, 2) is a metal blank tube, and 22 is an annular groove.
Claims (2)
と、円筒体１の外側に位置する尖鋭Ｖ形断面の山部３と
、前記谷部および山部の間に介在された鈍角Ｖ形屈折断
面の環状板４とからなる多数の環状屈折波形部分５が形
成されていることを特徴とするベローズ。(1) Valley portion 2 with a sharp V-shaped cross section located inside the cylindrical body 1
, a number of annular refraction waveform portions consisting of a peak portion 3 with a sharp V-shaped cross section located on the outside of the cylindrical body 1, and an annular plate 4 with an obtuse V-shaped refraction cross section interposed between the valley portion and the peak portion. A bellows characterized by having a number 5 formed therein.
その円筒体１の外側に位置する半円形断面の山部７とを
有する多数の環状波形部分８を形成し、次に前記各環状
波形部分８における円筒体１の内側に位置する部分を一
対の内型９、１０により押潰し、かつ前記各環状波形部
分８における円筒体１の外側に位置する部分を、鈍角Ｖ
形断面の環状突条１１および環状溝１２を有する一対の
外型１３、１４により押潰して、各環状波形部分に尖鋭
Ｖ形断面の谷部２と、尖鋭Ｖ形断面の山部３と、その谷
部２および山部３の間に介在された鈍角Ｖ形屈折断面の
環状板４とを形成することを特徴とするベローズの製造
方法。(2) Forming a large number of annular corrugated portions 8 having troughs 6 with a semicircular cross section located inside the cylinder 1 and peaks 7 with a semicircular cross section located outside the cylinder 1, and then The portion of each annular waveform portion 8 located inside the cylinder body 1 is crushed by a pair of inner molds 9 and 10, and the portion of each annular waveform portion 8 located outside the cylinder body 1 is formed at an obtuse angle V.
A pair of outer molds 13 and 14 having an annular protrusion 11 and an annular groove 12 are crushed to form a trough portion 2 with a sharp V-shaped cross section and a peak portion 3 with a sharp V-shaped cross section in each annular waveform portion. A method for manufacturing a bellows, which comprises forming an annular plate 4 having an obtuse V-shaped refracted cross section interposed between the valley portions 2 and the peak portions 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62016136A JPS63186091A (en) | 1987-01-28 | 1987-01-28 | Bellows and manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62016136A JPS63186091A (en) | 1987-01-28 | 1987-01-28 | Bellows and manufacture thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63186091A true JPS63186091A (en) | 1988-08-01 |
| JPH0413592B2 JPH0413592B2 (en) | 1992-03-10 |
Family
ID=11908079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62016136A Granted JPS63186091A (en) | 1987-01-28 | 1987-01-28 | Bellows and manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63186091A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004023017A1 (en) * | 2002-09-06 | 2004-03-18 | Ork Corporation | Metal bellows tube, method of producing the same, and flexible tube for high-pressure fluid |
-
1987
- 1987-01-28 JP JP62016136A patent/JPS63186091A/en active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004023017A1 (en) * | 2002-09-06 | 2004-03-18 | Ork Corporation | Metal bellows tube, method of producing the same, and flexible tube for high-pressure fluid |
| EP1536172A1 (en) * | 2002-09-06 | 2005-06-01 | Ork Corporation | Metal bellows tube, method of producing the same, and flexible tube for high-pressure fluid |
| EP1536172A4 (en) * | 2002-09-06 | 2007-06-27 | Ork Corp | Metal bellows tube, method of producing the same, and flexible tube for high-pressure fluid |
| CN1323256C (en) * | 2002-09-06 | 2007-06-27 | 株式会社Ork | Metal bellows tube, method of producing the same, and flexible tube for high-pressure fluid |
| US7556065B2 (en) | 2002-09-06 | 2009-07-07 | Ork Corporation | Metal bellows tube, method of producing the same, and flexible tube for high-pressure fluid |
| KR100970407B1 (en) * | 2002-09-06 | 2010-07-15 | 가부시키가이샤 오알케이 | Flexible tube for high-pressure fluid |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0413592B2 (en) | 1992-03-10 |
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