JPS6435183A - Cut-off device for valve - Google Patents
Cut-off device for valveInfo
- Publication number
- JPS6435183A JPS6435183A JP19143087A JP19143087A JPS6435183A JP S6435183 A JPS6435183 A JP S6435183A JP 19143087 A JP19143087 A JP 19143087A JP 19143087 A JP19143087 A JP 19143087A JP S6435183 A JPS6435183 A JP S6435183A
- Authority
- JP
- Japan
- Prior art keywords
- nut
- valve
- rotary shaft
- relieve
- washer
- 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
Landscapes
- Safety Valves (AREA)
Abstract
PURPOSE:To eliminate a insufficient fastening and as well to relieve impulsive shocks by incorporating a slide type nut and a washer on a thread part directly coupled to a rotary shaft. CONSTITUTION:When a rotary shaft 1 is rotated counterclockwise in passage opening manipulation, the lower end surface of a nut 11 is lifted up and, and is lowered by clockwise rotation in passage opening manipulation so that it is jointed to the upper surface of a seat 13 secured to the rotary shaft by use of a roll pin or the like, and therefore the nut is inhibited from further advancing. Brakling action is effected from the time when the nut makes into contact with a washer 15, and the nut is slavingly rotated in accordance with the fastening condition of a source cook valve 3, thereby it is possible to eliminate such a risk that an insufficient fastening of the source cook valve 3 occurs and also to relieve impulsive shock upon the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19143087A JPS6435183A (en) | 1987-07-30 | 1987-07-30 | Cut-off device for valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19143087A JPS6435183A (en) | 1987-07-30 | 1987-07-30 | Cut-off device for valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6435183A true JPS6435183A (en) | 1989-02-06 |
Family
ID=16274483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19143087A Pending JPS6435183A (en) | 1987-07-30 | 1987-07-30 | Cut-off device for valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6435183A (en) |
-
1987
- 1987-07-30 JP JP19143087A patent/JPS6435183A/en active Pending
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