JPS6015292Y2 - Datsushi pot - Google Patents
Datsushi potInfo
- Publication number
- JPS6015292Y2 JPS6015292Y2 JP2468782U JP2468782U JPS6015292Y2 JP S6015292 Y2 JPS6015292 Y2 JP S6015292Y2 JP 2468782 U JP2468782 U JP 2468782U JP 2468782 U JP2468782 U JP 2468782U JP S6015292 Y2 JPS6015292 Y2 JP S6015292Y2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- flange
- lid
- protrusion
- plunger
- 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
Links
Landscapes
- Breakers (AREA)
- Fluid-Damping Devices (AREA)
- Electromagnets (AREA)
Description
【考案の詳細な説明】
従来のダッシュポットは、第1図の如く、上端開口部に
鍔aを有する非磁性体よりなるシリンダb内に磁性体よ
りなるプランジャCとバネdを挿入し、下面中心に円柱
部eを一体に突出せる磁性体よりなる蓋体fの下面周縁
にシリンダbの鍔aと対応する環状の突部gを一体に形
威し、円柱部eをシリンダaの上端開口部の内周胴に嵌
挿して突部gを鍔aにスポット溶接その他の方法により
溶接し、シリンダa内に油を密封してなるものであって
、蓋体fの突部gを鍔aに溶接するとき、突部gの先端
と鍔aの上面が溶けて接合するもので、チリが発生する
と共に蓋体fの下面とシリンダbの開口縁との間の伽隙
h(該空隙りは蓋体fの下面周縁に突部gを形成するこ
とにより必然的に設けられる。[Detailed description of the invention] As shown in Fig. 1, a conventional dashpot has a plunger C made of a magnetic material and a spring d inserted into a cylinder b made of a non-magnetic material having a flange a at the upper end opening, and a plunger C made of a magnetic material and a spring d. An annular protrusion g corresponding to the collar a of the cylinder b is integrally formed on the periphery of the lower surface of the lid f made of a magnetic material from which a cylindrical portion e can be integrally projected from the center, and the cylindrical portion e is connected to the upper end opening of the cylinder a. The cylinder is fitted into the inner circumference of the cylinder, the protrusion g is welded to the flange a by spot welding or other method, and oil is sealed in the cylinder a, and the protrusion g of the lid f is attached to the flange a. When welding, the tip of the protrusion g and the upper surface of the flange a are melted and joined together, and dust is generated and the gap h between the lower surface of the lid f and the opening edge of the cylinder b is is necessarily provided by forming a protrusion g on the periphery of the lower surface of the lid f.
)内の油が圧縮され、円柱部eを嵌挿せるシリンダbの
上端部の周胴は空隙り内の圧縮された油により膨張して
シリンダbの上端内周胴と円柱部eの外周胴間に間隙が
生じ、空隙りの油が前記チリと一緒にシリンダb内に入
り、プランジャCがシリンダb内をスムーズに移動でき
ない欠侭があった。) is compressed, and the circumferential shell at the upper end of cylinder b into which the columnar part e can be fitted expands due to the compressed oil in the gap, and the gap between the inner circumferential shell at the upper end of cylinder b and the outer circumferential shell of columnar part e is compressed. A gap was created in the cylinder B, and the oil in the gap entered the cylinder B together with the dust, making it impossible for the plunger C to move smoothly inside the cylinder B.
本案は上記のような従来の欠点を除去するものであって
、以下本案の実施例を図面について説明すると、1は上
端開口部に鍔2を有する非磁性体よりなるシリンダ、3
は磁性体よりなるプランジャで、シリンダ1内に移動で
きるように挿入される。The present invention is intended to eliminate the above-mentioned drawbacks of the conventional technology, and an embodiment of the present invention will be described below with reference to the drawings. 1 is a cylinder made of a non-magnetic material having a flange 2 at the upper end opening; 3
is a plunger made of a magnetic material, and is movably inserted into the cylinder 1.
4はシリンダ3を下方に押圧するようシリンダ3内に弾
装せるバネ、5は下面中心に円柱部すを突設して上面中
心に***部7を形威し中心軸に貫通小孔8を設けて周縁
下面に鍔2と対応する環状の突部9を突設してなる磁性
体よりなる蓋体で円柱部6をシリンダ1の上端開口部の
内周胴に嵌挿して突部9を鍔2の上面にスポット溶接に
て溶接することによりシリンダ1の上端開口部は閉塞さ
れ、貫通小孔8より油を注入して***部7を挿圧変形し
て貫通小孔8を閉じることによりシリンダ1内に油が密
封される。Reference numeral 4 denotes a spring that is elastically loaded inside the cylinder 3 to press the cylinder 3 downward, and 5 has a cylindrical part protruding from the center of the lower surface, a raised part 7 at the center of the upper surface, and a small through hole 8 at the center axis. A cover body made of a magnetic material is provided with an annular protrusion 9 corresponding to the collar 2 protruding from the lower surface of the periphery, and the cylindrical part 6 is inserted into the inner peripheral body of the upper end opening of the cylinder 1 to form the protrusion 9. The upper end opening of the cylinder 1 is closed by spot welding to the upper surface of the flange 2, and by injecting oil through the small through hole 8 and compressing and deforming the raised portion 7, the small through hole 8 is closed. Oil is sealed inside the cylinder 1.
10はシリンダ1の中間部の外周胴に一端を固着せる磁
性体板11の他端に一端を枢支して自由端を蓋体5の外
面に対向せる可動鉄片、12は可動鉄片10の自由端を
蓋体5の外面より引離すように弾装せるバネ、13はシ
リンダ1と磁性体板11との固定部より上部のシリンダ
の外周胴に捲装せるコイルである。10 is a movable iron piece whose one end is pivoted to the other end of a magnetic plate 11 which is fixed to the outer circumferential shell of the intermediate portion of the cylinder 1, and whose free end faces the outer surface of the lid body 5; 12 is a free iron piece of the movable iron piece 10; A spring 13 whose end is resiliently loaded so as to be pulled away from the outer surface of the lid 5 is a coil wound around the outer circumferential body of the cylinder above the fixed portion between the cylinder 1 and the magnetic plate 11.
本案は上記のような構成で、コイル13に過電流が流れ
ると、プランジャ3はバネ4に抗してシリンダ1内の油
の制動力を受けてゆっくりと上方に移動し、プランジャ
3の上端が蓋体5に当接すると、プランジャ3、磁性体
板11、可動鉄片10、蓋体5よりなる磁路のコイル1
2に対する磁気抵抗が小さくなり、可動鉄片10の自由
端は蓋体5の上面に当接吸着されるもので、例えば、コ
イル13と回路遮断器とを直列にして電路に接続し、電
路に過電流が流れると、可動鉄片10の自由端は蓋体5
の上面に当接吸着され、可動鉄片の移動に連動して上記
回路遮断器を開成できるものである。The present invention has the above-mentioned configuration, and when an overcurrent flows through the coil 13, the plunger 3 slowly moves upward against the spring 4 under the braking force of the oil in the cylinder 1, and the upper end of the plunger 3 moves upward. When it comes into contact with the lid 5, the coil 1 of the magnetic path consisting of the plunger 3, the magnetic plate 11, the movable iron piece 10, and the lid 5
2, and the free end of the movable iron piece 10 is attracted to the upper surface of the lid 5. For example, when the coil 13 and a circuit breaker are connected in series and connected to an electric line, there is When the current flows, the free end of the movable iron piece 10
The circuit breaker can be opened in conjunction with the movement of the movable iron piece.
かように本案は、上端開口部に鍔2を有するシリンダ1
内にプランジャ3とバネ4を挿入し、下面中心に円柱部
6を突設して上面中心に***部7を形成せる蓋体5の中
心軸に貫通小孔8を設けて周縁下面に鍔2と対応する環
状の突部9を突設し、上記蓋体の円柱部6をシリンダ1
の上端開口部の内周胴に嵌挿して突部9を鍔2に溶接し
、貫通小孔8より油をシリンダ1内に注入し、蓋体5の
***部7を押圧変形してシリンダ1内に油を密封してな
るものであるから、蓋体の突部をシリンダの鍔に溶接す
るとき生ずるチリがシリンダ内に入らず、プランジャの
移動をスムーズにでキル効果がある。In this way, the present invention provides a cylinder 1 having a flange 2 at the upper end opening.
A plunger 3 and a spring 4 are inserted therein, a cylindrical part 6 is protruded from the center of the lower surface, and a raised part 7 is formed at the center of the upper surface. An annular protrusion 9 corresponding to
The protrusion 9 is fitted into the inner circumferential body of the upper end opening and welded to the collar 2. Oil is injected into the cylinder 1 through the small through hole 8, and the protrusion 7 of the lid body 5 is pressed and deformed to form the cylinder 1. Since the cylinder is sealed with oil, the dust generated when the protrusion of the lid body is welded to the cylinder collar does not enter the cylinder, and the plunger moves smoothly and has a killing effect.
第1図は従来のダッシュポットの断面図、第2図は本案
の実施例の断面図、第3図は組立説明図である。
1はシリンダ、2は鍔、3はプランジャ、4はバネ、5
は蓋体、6は円柱部、7は***部、8は貫通小孔、9は
突部、10は可動鉄片、11は磁性体板、12はバネ、
13はコイル。FIG. 1 is a sectional view of a conventional dashpot, FIG. 2 is a sectional view of an embodiment of the present invention, and FIG. 3 is an assembly diagram. 1 is cylinder, 2 is tsuba, 3 is plunger, 4 is spring, 5
is a lid body, 6 is a cylindrical part, 7 is a raised part, 8 is a through hole, 9 is a protrusion, 10 is a movable iron piece, 11 is a magnetic plate, 12 is a spring,
13 is a coil.
Claims (1)
とバネ4を挿入し、下面中心に円柱部6を突設して上面
中心に***部7を形成せる蓋体5の中心軸に貫通小孔8
を設けて周縁下面に鍔2と対応する環状の突部9を突設
し、上記蓋体の円柱部6をシリンダ1の上端開口部の内
周胴に嵌挿して突部9を鍔2に溶接し、貫通小孔8より
油をシリンダ1内に注入し、蓋体5の***部7を押圧変
形してシリンダ1内に油を密封してなるダッシュポット
。A plunger 3 is disposed within a cylinder 1 having a flange 2 at the upper end opening.
A small through hole 8 is formed in the center axis of the lid body 5 into which the spring 4 is inserted, a cylindrical portion 6 is protruded from the center of the lower surface, and a raised portion 7 is formed at the center of the upper surface.
An annular protrusion 9 corresponding to the flange 2 is provided on the lower surface of the periphery, and the cylindrical part 6 of the lid body is fitted into the inner circumference of the upper end opening of the cylinder 1, so that the protrusion 9 is attached to the flange 2. This dashpot is made by welding, injecting oil into the cylinder 1 through a small through hole 8, and pressing and deforming the raised part 7 of the lid 5 to seal the oil inside the cylinder 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2468782U JPS6015292Y2 (en) | 1982-02-22 | 1982-02-22 | Datsushi pot |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2468782U JPS6015292Y2 (en) | 1982-02-22 | 1982-02-22 | Datsushi pot |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57195808U JPS57195808U (en) | 1982-12-11 |
JPS6015292Y2 true JPS6015292Y2 (en) | 1985-05-14 |
Family
ID=29822401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2468782U Expired JPS6015292Y2 (en) | 1982-02-22 | 1982-02-22 | Datsushi pot |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6015292Y2 (en) |
-
1982
- 1982-02-22 JP JP2468782U patent/JPS6015292Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS57195808U (en) | 1982-12-11 |
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