JPS62163377U - - Google Patents
Info
- Publication number
- JPS62163377U JPS62163377U JP4859286U JP4859286U JPS62163377U JP S62163377 U JPS62163377 U JP S62163377U JP 4859286 U JP4859286 U JP 4859286U JP 4859286 U JP4859286 U JP 4859286U JP S62163377 U JPS62163377 U JP S62163377U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- valve
- pressing member
- fluid
- gasket
- 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
- 239000012530 fluid Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 4
- 210000004907 gland Anatomy 0.000 claims description 3
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 3
- 238000007789 sealing Methods 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
Landscapes
- Taps Or Cocks (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図、第３図は同要部断面図、第４図は押圧部材の
他実施例を示し、イは平面図、ロは半截断面図で
ある。
１……弁箱、２……弁体、３……弁棒、４，５
……弁座、６，９……押圧部材、８……グランド
パツキン、１０……流体通路。
Fig. 1 is a sectional view showing one embodiment of the present invention;
3 and 3 are sectional views of the same essential parts, and FIG. 4 shows another embodiment of the pressing member, in which A is a plan view and B is a half-cut sectional view. 1... Valve box, 2... Valve body, 3... Valve stem, 4, 5
... Valve seat, 6, 9 ... Pressing member, 8 ... Gland packing, 10 ... Fluid passage.
Claims (1)
を開閉する弁体と、この弁体と連結して弁体を回
転させる弁棒とを備えると共に、流体をシールす
るパツキン及びこのパツキンに接触面圧力を付勢
する押圧部材を有し、前記押圧部材は一定温度以
上になれば反発力が減少し、一定温度以下になれ
ば反発力が増大する形状記憶合金を用いたことを
特徴とするボールバルブ。 (2) 流体をシールするパツキンとして、弁箱と
弁体とをシールする弁座とし、この弁座を弁体方
向に付勢する押圧部材に形状記憶合金を用いた実
用新案登録請求の範囲第１項記載のボールバルブ
。 (3) 流体をシールするパツキンとして、弁箱と
弁棒とをシールするグランドパツキンとし、この
グランドパツキンを付勢する押圧部材に形状記憶
合金を用いた実用新案登録請求の範囲第１項記載
のボールバルブ。[Claims for Utility Model Registration] (1) A valve body that includes a valve body, a valve body that is housed in the valve body and opens and closes a fluid passage, and a valve stem that connects with the valve body and rotates the valve body; , has a gasket that seals the fluid and a pressing member that applies contact surface pressure to the gasket, the repulsive force of the pressing member decreases when the temperature exceeds a certain level, and increases when the temperature falls below a certain level. A ball valve characterized by using a shape memory alloy. (2) A valve seat that seals a valve body and a valve body as a gasket that seals fluid, and a shape memory alloy used as a pressing member that urges the valve seat toward the valve body. The ball valve described in item 1. (3) A gland packing for sealing a valve body and a valve stem is used as a packing for sealing fluid, and a shape memory alloy is used as a pressing member for urging the gland packing, as set forth in claim 1 of the utility model registration claim. Ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4859286U JPH0331885Y2 (en) | 1986-03-31 | 1986-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4859286U JPH0331885Y2 (en) | 1986-03-31 | 1986-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62163377U true JPS62163377U (en) | 1987-10-17 |
| JPH0331885Y2 JPH0331885Y2 (en) | 1991-07-05 |
Family
ID=30870265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4859286U Expired JPH0331885Y2 (en) | 1986-03-31 | 1986-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0331885Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6345463U (en) * | 1986-09-11 | 1988-03-26 | ||
| JP2010261466A (en) * | 2009-04-09 | 2010-11-18 | Itotekkou Co Ltd | Gas cock |
-
1986
- 1986-03-31 JP JP4859286U patent/JPH0331885Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6345463U (en) * | 1986-09-11 | 1988-03-26 | ||
| JP2010261466A (en) * | 2009-04-09 | 2010-11-18 | Itotekkou Co Ltd | Gas cock |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0331885Y2 (en) | 1991-07-05 |
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