JPS62215890A - Manufacture of bellows device - Google Patents
Manufacture of bellows deviceInfo
- Publication number
- JPS62215890A JPS62215890A JP4314887A JP4314887A JPS62215890A JP S62215890 A JPS62215890 A JP S62215890A JP 4314887 A JP4314887 A JP 4314887A JP 4314887 A JP4314887 A JP 4314887A JP S62215890 A JPS62215890 A JP S62215890A
- Authority
- JP
- Japan
- Prior art keywords
- bellows
- bottom plate
- capillary tube
- solder
- bellows bottom
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229910000679 solder Inorganic materials 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005219 brazing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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、例えば被制御部の温度を感知する感温部、
感温部の温度に相当する封入ガス圧力をベローズに伝え
るキャピラリー管と伝達されたガス圧力に比例して伸縮
するベローズとの接続部を改良したベローズ装置の製造
方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a temperature sensing section that senses the temperature of a controlled section, for example.
The present invention relates to a method of manufacturing a bellows device that improves the connection between a capillary tube that transmits a sealed gas pressure corresponding to the temperature of a temperature sensing part to the bellows and a bellows that expands and contracts in proportion to the transmitted gas pressure.
従来の技術
キャピラリー管とベローズの接続に関する従来の方法は
、先ず真鍮等のベローズ底板とキャピラリー管をロー付
は等で接続しておき、次にキャピラリー管を接続した該
ベローズ底板とベローズの端側面を半田づけ等で接着す
るという方法をとっていたが、この方法では後工程で半
田付けをするので先工程では半田付より融解温度の高い
ロー付けで接着しておくことが必要であり、これが為に
ロー付によりベローズ底板が焼なまされたり、ピンホー
ルや亀裂等を生じたりする欠点があった。Conventional technology The conventional method for connecting a capillary tube and a bellows is to first connect the bellows bottom plate made of brass or the like and the capillary tube with a braze or the like, and then connect the bellows bottom plate to which the capillary tube is connected to the end side of the bellows. However, since this method involves soldering in a later process, it is necessary to use brazing, which has a higher melting temperature than soldering, to bond in the previous process. Therefore, the bottom plate of the bellows is annealed due to brazing, and pinholes and cracks may occur.
発明が解決しようとする問題点
本発明は上記の欠点を除去するため、ロー付を行わず、
しかも接続部が完全に密封され、ガス漏れのない接続構
造を工夫し、品質上からも生産上からも勝れたベローズ
装置の製造方法を提供せんとするものである。Problems to be Solved by the Invention In order to eliminate the above-mentioned drawbacks, the present invention does not involve brazing.
Furthermore, the present invention aims to provide a method of manufacturing a bellows device that is superior in terms of both quality and production by devising a connection structure in which the connection portion is completely sealed and does not leak gas.
問題点を解決するための手段
上記の目的を達成する本発明においては、ベローズ底板
を貫通するキャピラリー管に形成する二段の鍔の間にベ
ローズ底板を挟持して上記キャピラリー管の一端を底板
内に開口せしめたものにおいて、ベローズ底板内部に半
田を置き、ベローズ底板の内周面にベローズ端周面を接
する如くベローズを置設し、ベローズ底板外部から熱風
加熱して半田を融解し、キャピラリー管とベローズ底板
、並びにベローズとベローズ底板を同時に半田付して接
着してなることを特徴とする。Means for Solving the Problems In the present invention, which achieves the above object, the bellows bottom plate is sandwiched between two-stage flanges formed on the capillary tube passing through the bellows bottom plate, and one end of the capillary tube is inserted into the bottom plate. In the capillary tube, solder is placed inside the bellows bottom plate, the bellows is placed so that the end circumferential surface of the bellows is in contact with the inner peripheral surface of the bellows bottom plate, and the solder is melted by heating with hot air from the outside of the bellows bottom plate. and a bellows bottom plate, and the bellows and the bellows bottom plate are simultaneously soldered and bonded.
実施例 以下図示実施例により本発明を説明する。Example The present invention will be explained below with reference to illustrated embodiments.
キャピラリー管１は鋼管を用いているので、可撓性を有
しており、例えば第２図の如く、キャピラリー管の一部
を第１バイス５で緊定固着し、ｌの間隔を置いて更に第
２バイス６で締着しだ後第２バイス６に矢示の如く第１
バイス５の方向にハンマー等で押圧を加えると、ｌの部
分が外方に膨出した鍔部７が形成される。ベローズ底板
４の貫通孔４ａにキャピラリー管ｌを挿通して前記鍔７
上で係止し、さらに鍔７より上の部分のキャピラリー管
に上記の如き作業で底板４に接した第２鍔部８を形成し
て第３図に示す如く、ベローズ底板４をキャピラリー管
の鍔７及び８で挟着した結合体をなし、次に結合体のベ
ローズ底板内面４ｂにベローズ端周面３ａを合致させる
と共に、ベローズ底板内に半田９を装入した後、底板外
面から熱風加熱して該半田を融解し、ベローズと底板、
並びにキャピラリー管と底板を同時に半田で接着させる
ものである。Since the capillary tube 1 is made of steel, it has flexibility. For example, as shown in FIG. After tightening with the second vise 6, move the first vise 6 as shown by the arrow.
When pressure is applied with a hammer or the like in the direction of the vise 5, a flange portion 7 is formed in which the portion 1 is bulged outward. The capillary tube l is inserted into the through hole 4a of the bellows bottom plate 4, and the flange 7 is
The bellows bottom plate 4 is then secured to the top of the capillary tube by forming the second flange 8 in contact with the bottom plate 4 in the above-described manner on the capillary tube above the flange 7, as shown in FIG. A combined body is formed by sandwiching the flanges 7 and 8, and then the bellows end circumferential surface 3a is aligned with the inner surface 4b of the bellows bottom plate of the combined body, and after charging solder 9 into the bellows bottom plate, hot air heating is applied from the outside of the bottom plate. Then melt the solder and attach the bellows and bottom plate,
In addition, the capillary tube and the bottom plate are simultaneously bonded together using solder.
上記構成により、ベローズ底板、キャピラリー管はロー
付による作業が除かれているので、底板の焼なまり、又
はロー付のピンホール亀裂等の発生はなくなり、ベロー
ズ底板４とキャピラリー管１の接続は鍔８．７でキャピ
ラリー管の位置が安定し、さらに鍔８の周面が底板４と
接着するので、接着面積が広く確実に接続され、ベロー
ズ３と底板４との接着部にも同時に半田が侵入して接着
されるものである。With the above configuration, the bellows bottom plate 4 and the capillary tube 1 do not need to be brazed, so there will be no annealing of the bottom plate or pinhole cracks in the brazing, and the connection between the bellows bottom plate 4 and the capillary tube 1 will be made at the flange. At 8.7, the position of the capillary tube is stabilized, and the circumferential surface of the collar 8 is bonded to the bottom plate 4, so the bonding area is wide and the connection is secure, and the solder also enters the bonded area between the bellows 3 and the bottom plate 4 at the same time. It is then glued together.
発明の効果
本発明は上記した如くに、ベローズ底板を貫通するキャ
ピラリー管に形成する二段の鍔の間にベローズ底板を挟
持して上記キャピラリー管の一端を底板内に開口せしめ
たものにおいて、ベローズ底板内部に半田を置き、ベロ
ーズ底板の内周面にベローズ端周面を接する如くベロー
ズを置設し、ベローズ底板外部から熱風加熱して半田を
融解し、キャピラリー管とベローズ底板、並びにベロー
ズとベローズ底板を同時に半田付して接着してなるもの
であるから、金属の変質を防ぎつつ充分な強度をもって
キャピラリー管とベローズ底板を接着し得ると同時にベ
ローズ底板に対してベローズを同時に接着して生産能率
を向上でき、この際に温度管理の容易な熱風加熱により
底板内部の半田を融解するので、過熱することなくして
均一に接着し、ピンホールの発生を阻止して密封性を確
保したガス漏れのないベローズ装置を提供することがで
きる。Effects of the Invention As described above, the present invention provides a bellows in which the bellows bottom plate is sandwiched between two-stage flanges formed on a capillary tube passing through the bellows bottom plate, and one end of the capillary tube is opened into the bottom plate. Place solder inside the bottom plate, install the bellows so that the end circumferential surface of the bellows is in contact with the inner circumferential surface of the bellows bottom plate, and heat the solder with hot air from outside of the bellows bottom plate to melt the solder. Since the bottom plate is soldered and bonded at the same time, the capillary tube and the bellows bottom plate can be bonded with sufficient strength while preventing metal deterioration, and at the same time, the bellows can be bonded to the bellows bottom plate at the same time, increasing production efficiency. At this time, the solder inside the bottom plate is melted by hot air heating, which is easy to control the temperature, so it adheres evenly without overheating, and prevents pinholes from forming and ensures a tight seal. No bellows device can be provided.
第１図はベローズ装置の一例を示した外観図、第２図は
キャピラリー管の鍔部作成の一例を示す説明断面図、第
３図は本発明によるキャピラＩＪ−管とベローズ底板の
接合を示す説明断面図、第４図は本発明によるキャピラ
リー管とベローズ底板、並びにベローズとベローズ底板
の半田付の状態を示す断面図である。
１・・・キャピラリー管、２・・・感温部、３・・・ベ
ローズ、４・・・ベローズ底板、７．訃・・鍔、９・・
・半田。Fig. 1 is an external view showing an example of a bellows device, Fig. 2 is an explanatory sectional view showing an example of making a flange of a capillary tube, and Fig. 3 is a diagram showing the joining of a capillary IJ-tube and a bellows bottom plate according to the present invention. Explanatory cross-sectional view, FIG. 4 is a cross-sectional view showing the state of soldering of the capillary tube and the bellows bottom plate, and the bellows and the bellows bottom plate according to the present invention. 1... Capillary tube, 2... Temperature sensing part, 3... Bellows, 4... Bellows bottom plate, 7. Death... Tsuba, 9...
·solder.
Claims (1)
の鍔の間にベローズ底板を挟持して上記キャピラリー管
の一端を底板内に開口せしめたものにおいて、ベローズ
底板内部に半田を置き、ベローズ底板の内周面にベロー
ズ端周面を接する如くベローズを置設し、ベローズ底板
外部から熱風加熱して半田を融解し、キャピラリー管と
ベローズ底板、並びにベローズとベローズ底板を同時に
半田付して接着してなることを特徴とするベローズ装置
の製造方法。The bellows bottom plate is sandwiched between two-stage flanges formed on a capillary tube that penetrates the bellows bottom plate, and one end of the capillary tube is opened inside the bottom plate. The bellows is installed so that the bellows end is in contact with the circumferential surface, and the solder is melted by heating hot air from the outside of the bellows bottom plate, and the capillary tube and the bellows bottom plate, as well as the bellows and the bellows bottom plate, are simultaneously soldered and bonded. A method of manufacturing a bellows device, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4314887A JPS62215890A (en) | 1987-02-27 | 1987-02-27 | Manufacture of bellows device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4314887A JPS62215890A (en) | 1987-02-27 | 1987-02-27 | Manufacture of bellows device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62215890A true JPS62215890A (en) | 1987-09-22 |
Family
ID=12655756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4314887A Pending JPS62215890A (en) | 1987-02-27 | 1987-02-27 | Manufacture of bellows device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62215890A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699623A (en) * | 2012-06-06 | 2012-10-03 | 滁州金科机械模具制造有限公司 | Sealing and bonding process of temperature controller power part |
-
1987
- 1987-02-27 JP JP4314887A patent/JPS62215890A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699623A (en) * | 2012-06-06 | 2012-10-03 | 滁州金科机械模具制造有限公司 | Sealing and bonding process of temperature controller power part |
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