JPS62167981A - Seal structure of ball valve - Google Patents
Seal structure of ball valveInfo
- Publication number
- JPS62167981A JPS62167981A JP870286A JP870286A JPS62167981A JP S62167981 A JPS62167981 A JP S62167981A JP 870286 A JP870286 A JP 870286A JP 870286 A JP870286 A JP 870286A JP S62167981 A JPS62167981 A JP S62167981A
- Authority
- JP
- Japan
- Prior art keywords
- seal
- ball valve
- face
- ferrule
- setting
- 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
- 239000002184 metal Substances 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 9
- 239000000057 synthetic resin Substances 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 239000007769 metal material Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 6
- 235000019589 hardness Nutrition 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 238000002788 crimping Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
Abstract
Description
【発明の詳細な説明】
(イ) 産業上の利用分野
この発明はボールバルブに使用するシールの構造に関す
る。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application This invention relates to the structure of a seal used in a ball valve.
(ロ) 従来の技術
従来、ボールバルブにおいて、ボール弁とケーシングと
の間には、環状のシールが介設されており、ボール弁の
回動に密着してシール効果を果しながらボール弁の支持
機能も果すようにシール構造が構成されている。(b) Conventional technology Conventionally, in a ball valve, an annular seal is interposed between the ball valve and the casing, and the ring-shaped seal closely adheres to the rotation of the ball valve and exerts a sealing effect. The seal structure is configured to also perform a support function.
(ハ) 発明が解決しようとする問題点しかしながら、
シールの素材がテフロン等の合成樹脂素材のものは、ボ
ール弁の滑動性は良好であるが、長期間の使用において
流動物のミストをかみ込む欠点がありボール弁との当接
面に損傷を来たし、シール効果が減殺されるおそれがあ
り、またシール素材を金a製素材とするものは、スプリ
ング等のボール弁への圧着機構を必要とし、圧着構造を
別途設ける必要があり構造が煩雑となり、故障の原因と
もなっていた。又スプリング圧着の為に流体のシール方
向が1方向と使用方法においても限られていた。(c) Problems that the invention seeks to solveHowever,
Seals made of synthetic resin such as Teflon have good sliding properties for ball valves, but have the disadvantage of trapping fluid mist during long-term use, causing damage to the contact surface with the ball valve. Therefore, there is a risk that the sealing effect will be diminished, and if the seal material is made of gold a, it requires a crimping mechanism such as a spring to the ball valve, and a crimping structure must be provided separately, making the structure complicated. , which also caused malfunctions. Furthermore, because of the spring crimping, the fluid can only be sealed in one direction, which limits the way it can be used.
(ニ) 問題点を解決するための手段
この発明では、合成樹脂素材により環状に形成したシー
ル押えリングに金属素材により環状に形成したメタルシ
ールを内側から嵌着すると共に、メタルシールの内側端
面をボール弁周面と対応した曲面に形成してなるボール
バルブのシール構造を提供せんとるものである。(d) Means for solving the problem In this invention, a metal seal formed in an annular shape made of a metal material is fitted from the inside into a seal retaining ring formed in an annular shape made of a synthetic resin material, and the inner end surface of the metal seal is It is an object of the present invention to provide a seal structure for a ball valve which is formed into a curved surface corresponding to the peripheral surface of the ball valve.
(ホ) 作用・効果
この発明によればテフロン等の合成樹脂素材の弾力性と
、金属素材の硬度とをそれぞれ有し、これらの利点を一
体に組合わせたことにより、構造は簡単にもかかわらず
、ボール弁への圧着作用は、合成樹脂素材のシール押え
リングで果し、ボール弁への密着性及び密着面の硬度は
メタルシールの金属素材により生起でき、確実なシール
効果を果しうる効果を有する。しかも、シール方向も従
来のソフトシールと同様に両方向のシール効果が得られ
るようになる。(E) Function/Effect According to the present invention, it has the elasticity of a synthetic resin material such as Teflon and the hardness of a metal material, and by combining these advantages, it has a simple structure. First, the pressure bonding action to the ball valve is achieved by the seal retaining ring made of synthetic resin material, and the adhesion to the ball valve and the hardness of the adhesion surface are achieved by the metal material of the metal seal, ensuring a reliable sealing effect. have an effect. Furthermore, sealing effects can be obtained in both directions, similar to the conventional soft seal.
(へ) 実施例
この発明の実施例を図面に基づき詳説すれば、(A>は
ボールバルブを表わしており、ケーシング(1)中に金
属製のボール弁(2)が収納されており、ケーシング(
1)の両端には流入口(3)、流出口(4)がそれぞれ
開口されており、流出入口(3)(4)と連通状態に、
ボール弁(2)中に流路(5)が貫通されている。(F) Embodiment An embodiment of the present invention will be described in detail based on the drawings. (A> represents a ball valve, a metal ball valve (2) is housed in a casing (1), and the casing (
An inlet (3) and an outlet (4) are opened at both ends of 1), and are in communication with the outlet (3) and (4).
A flow passage (5) is passed through the ball valve (2).
ボール弁(2)は左右回動自在に構成されており、ボー
ル弁(2)の頂部には、軸(6)が立設されて、同軸(
6)はケーシング(1)の上端より突出して、ボール弁
操作レバー(図示せず)が着脱自在に嵌合するように構
成されている。The ball valve (2) is configured to be rotatable left and right, and a shaft (6) is erected on the top of the ball valve (2).
6) is configured to protrude from the upper end of the casing (1), and a ball valve operating lever (not shown) is removably fitted therein.
(7)は流入口(3)のフランジ、(8)は流出口(4
)のフランジ、(9)はケーシング(1)を組立て自在
とし、ボール弁(2)の収納が可能に構成した二つ割り
部分を示しており、(10)は二つ割り部分でケーシン
グ連結固定する為のボルトを示している。(7) is the flange of the inlet (3), and (8) is the flange of the outlet (4).
) flanges, (9) shows the two-split part that allows the casing (1) to be assembled freely and the ball valve (2) to be stored, and (10) shows the bolts for connecting and fixing the casing in the two-split part. It shows.
(11)は二つ割りとしたケーシング(1)の二つ割り
部分に介在したシールを示す。(11) shows a seal interposed between the two halves of the casing (1).
また、ケーシング(1)の流入口(3)と流出口(4)
の内端縁でボール弁(2)の入口(2−1)、出口(2
−2)の周縁部に対応する位置には、シール嵌入溝(1
2)(13)が凹環状に形成されており、固嵌大溝(1
2)(13)中にはシール環体(M)が嵌入されている
。In addition, the inlet (3) and outlet (4) of the casing (1)
The inlet (2-1) and outlet (2) of the ball valve (2) are connected to the inner edge of the ball valve (2).
-2) is located at a position corresponding to the peripheral edge of the seal fitting groove (1).
2) (13) is formed in a concave ring shape, and the large groove (1
2) A seal ring (M) is fitted into (13).
シール環体(M)は、シール押えリング(M−1)と同
リング(M−1>に、内側から嵌着したメタルシール(
M−2)との組合わせにより構成されており、シール押
えリング(M−1)は合成樹脂素材たるテフロンにて構
成されており、外側面の周縁部はやや凸状のフランジ部
(M−3>を形成し、内側面の内端縁は傾斜状切削面(
M−4)を形成している。The seal ring body (M) includes a seal retaining ring (M-1) and a metal seal (M-1) fitted from the inside.
The seal retaining ring (M-1) is made of Teflon, which is a synthetic resin material, and the peripheral edge of the outer surface has a slightly convex flange part (M-2). 3>, and the inner edge of the inner surface has an inclined cutting surface (
M-4) is formed.
更に、メタルシール(M−2)は、金属素材たるステン
レス、真鍮等にて構成されており、内側端面はボール弁
(2)の局面と密着すべく曲面に形成し、ボール当接面
(M−5)を形成している。Furthermore, the metal seal (M-2) is made of a metal material such as stainless steel or brass, and the inner end surface is formed into a curved surface so as to be in close contact with the curved surface of the ball valve (2). -5).
しかも、ボール弁(2)とメタルシール(M−2)とは
、いづれも金属素材であるが、硬度を異にしており、か
かる硬度差をもたせることによって、両方の当接面の摩
耗を最小限に防止している。Moreover, although the ball valve (2) and the metal seal (M-2) are both made of metal, they have different hardnesses, and by providing such a difference in hardness, the wear of the contact surfaces of both can be minimized. This is prevented to a limited extent.
なお、シール押えリング(M−1)にメタルシール(M
−2)を嵌着する際には、同リング(M−1)を加熱し
、同リング(M−1>を伸長せしめて、メタルシール(
M−2)を嵌め込むことにより、嵌着作業を行う。In addition, a metal seal (M
-2), heat the ring (M-1) and stretch the ring (M-1>) to fit the metal seal (
The fitting work is performed by fitting M-2).
また、シール押えリング(M−1)の素材に、導電性の
合成樹脂素材を使用すると、ボール弁(2)とメタルシ
ール(M−2)との摺動当接時に起電する静電気をケー
シング(1)外にアースする機能も果しうるものである
。In addition, if a conductive synthetic resin material is used as the material for the seal retaining ring (M-1), the static electricity generated when the ball valve (2) and the metal seal (M-2) come into sliding contact will be absorbed by the casing. (1) It can also perform the function of grounding to the outside.
第1図は、本発明ボールバルブのシール構造の使用状態
の断面説明図
第2図は、本発明シール構造の正面図
(A):ボールバルブ
(2):ボール弁
(M):シール環体
(M−1):シール押えリング
(M−2):メタルシール
(M−3):フランジ部
(M−4):傾斜状切削面Fig. 1 is a cross-sectional explanatory diagram of the seal structure of the present invention ball valve in use. Fig. 2 is a front view of the seal structure of the present invention (A): Ball valve (2): Ball valve (M): Seal ring body. (M-1): Seal retaining ring (M-2): Metal seal (M-3): Flange part (M-4): Inclined cutting surface
Claims (1)
グ(M−1)に、金属素材により環状に形成したメタル
シール(M−2)を内側から嵌着すると共に、メタルシ
ール(M−2)の内側端面をボール弁(2)周面と対応
した曲面に形成してなるボールバルブのシール構造。1) Fit the metal seal (M-2) formed into an annular shape from a metal material into the seal retaining ring (M-1) formed into an annular shape from a synthetic resin material from the inside, and A ball valve seal structure in which the inner end surface is formed into a curved surface corresponding to the peripheral surface of the ball valve (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP870286A JPS62167981A (en) | 1986-01-17 | 1986-01-17 | Seal structure of ball valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP870286A JPS62167981A (en) | 1986-01-17 | 1986-01-17 | Seal structure of ball valve |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62167981A true JPS62167981A (en) | 1987-07-24 |
Family
ID=11700264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP870286A Pending JPS62167981A (en) | 1986-01-17 | 1986-01-17 | Seal structure of ball valve |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62167981A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105829164A (en) * | 2013-12-13 | 2016-08-03 | 康斯博格汽车股份公司 | SMA valve for controlling pressurized air supply to an air cell in a vehicle seat |
US10107410B2 (en) | 2013-03-06 | 2018-10-23 | Kongsberg Automotive Ab | Fluid routing device having a shape memory alloy member |
-
1986
- 1986-01-17 JP JP870286A patent/JPS62167981A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10107410B2 (en) | 2013-03-06 | 2018-10-23 | Kongsberg Automotive Ab | Fluid routing device having a shape memory alloy member |
CN105829164A (en) * | 2013-12-13 | 2016-08-03 | 康斯博格汽车股份公司 | SMA valve for controlling pressurized air supply to an air cell in a vehicle seat |
CN105829164B (en) * | 2013-12-13 | 2019-01-18 | 康斯博格汽车股份公司 | For controlling the SMA valve to the Pressurized air supply of air element in vehicle seat |
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