CN203847713U - Simple water seal valve used in negative pressure liquid inlet state - Google Patents
Simple water seal valve used in negative pressure liquid inlet state Download PDFInfo
- Publication number
- CN203847713U CN203847713U CN201420237079.5U CN201420237079U CN203847713U CN 203847713 U CN203847713 U CN 203847713U CN 201420237079 U CN201420237079 U CN 201420237079U CN 203847713 U CN203847713 U CN 203847713U
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- CN
- China
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- valve
- bucket
- negative pressure
- rotatingshaft
- valve body
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- Withdrawn - After Issue
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Abstract
The utility model relates to a simple water seal valve used in a negative pressure liquid inlet state. The simple water seal valve comprises a valve cover and a valve body. A rotating shaft is movably connected to the valve body and the valve cover. The upper end of the valve body is provided with a valve barrel with the internal diameter larger than the external diameter of the valve cover. The lower surface of the valve barrel is provided with a shaft hole matched with the rotating shaft. The valve barrel is arranged between the valve body and the valve cover. The valve barrel, the valve body and the valve cover are connected and fixed through bolts. The outer side wall of the valve barrel is fixedly connected with a water shortage alarm, and the position, close to the lower end, of the inner side wall of the valve barrel is fixedly connected with a water level sensor electrically connected with the water shortage alarm. According to the simple water seal valve used in the negative pressure liquid inlet state, the valve barrel for containing liquid to improve sealing performance of the valve is arranged between the valve cover and the valve body, the valve barrel is provided with an automatic water level prompting device, the surface tension of the liquid is utilized, the air leakage phenomenon from outer to inner in the negative pressure state is thoroughly eliminated, prompt is given in time when the water level in the valve barrel is too low, and safety performance of the valve is further improved.
Description
Technical field
The utility model relates to the simple and easy water seal valve under a kind of negative pressure feed liquor state.
Background technique
Substantially all use self-priming pump in liftings such as oil, chemical enterprise, oil-polluted water, early-stage rainwater, domestic sewage and some sump oils with pump at present, for the ease of the inspection and maintenance of pipeline and facility, tend to design and on pump intake piping road, install pipeline cut-off valve additional, but all kinds of corrupt practices creep in for the shutoff valve using in actual production, bring inconvenience to the normal production of enterprise.At valve, under barotropic state, owing to being full of liquid in valve, liquid has surface tension, and therefore common valve can not produce the gas leakage of ecto-entad.When lifting normally starts with pump, inlet valve can be in negative pressure state.Under negative pressure state, common valve is due to the seal action of filler etc., in no leakage state, but can leak gas by ecto-entad, and be at present difficult to detect valve ecto-entad under negative pressure state in global range and whether leak gas, often therefore enterprise is difficult to determine concrete failure cause, wastes time and energy, and even finally has to change comparatively expensive senior valve.In actual production, pipeline cavitation erosion, the pump suction capacity being caused by outer internal gas leakage due to negative pressure state lower valve weakens, underfed even cannot self-priming etc. impact, the normal production run of the enterprise of harm, severe patient even can cause production accident, has brought comparatively serious economic loss to petrochemical enterprise.
Model utility content
The technical problems to be solved in the utility model is: for solving the problem of above-mentioned existence, simple and easy water seal valve under a kind of negative pressure feed liquor state is provided, solve common valve common under negative pressure state by the problem of outer internal gas leakage, and can remind people in the situation that of lack of water, to add sealing water, simple in structure, and the saving spirit of active response Central Committee of the Communist Party of China promotion, cheap, practical and convenient, application prospect is extensive.
The utility model solves the technological scheme that its technical problem adopts: the simple and easy water seal valve under a kind of negative pressure feed liquor state, comprise valve gap and valve body, on valve body and valve gap, be connected with rotatingshaft, rotatingshaft upper end is fixedly connected with the handle matching with rotatingshaft, valve gap upper end is provided with the guiding device for promoting rotatingshaft stability and valve bonnet seal, guiding device is fixedly connected with valve gap upper surface by bolt, guiding device is enclosed within on rotatingshaft and is flexibly connected with rotatingshaft, valve gap lower surface central position is provided with annular for lift-off seal performance to lower convexity, the corresponding annular protrusion of valve body upper surface position offers stepped recess, valve body upper end is provided with the valve bucket that inner diameter is greater than valve gap outer diameter, valve bucket upward opening, valve bucket lower surface offers the axis hole matching with rotatingshaft, shaft hole diameter is greater than protruding diameter, valve bucket is arranged between valve body and valve gap, valve bucket, between valve body and valve gap, be bolted fixing, on valve bucket outer side wall, be fixedly connected with boiler alarm, the nearly lower end position of valve bucket madial wall is fixedly connected with the level sensor being electrically connected with boiler alarm.
Further, boiler alarm is made up of shell, loudspeaker and power supply unit.
Further, height of projection is less than valve bucket bottom thickness.
Further, valve bucket is highly greater than the height of valve gap.
Further, on valve bucket inner bottom surface and outer bottom, be provided with the waterproof sealing layer for lift-off seal.
The beneficial effects of the utility model are, simple and easy water seal valve under negative pressure feed liquor state of the present utility model by being provided with the valve bucket that carrys out poppet sealing by contain fluid between valve gap and valve body, and automatic water level alarm set is set on valve bucket, by using surface tension of liquid, not only thoroughly stop the gas leak phenomenon of ecto-entad under negative pressure state, can also be too low in valve inner bucket water position time, send in time prompting, further the Security of poppet.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is sectional view of the present utility model.
Fig. 2 is the sectional view of valve bucket in the utility model.
1. valve gaps in figure, 2. valve body, 3. rotatingshaft, 4. handle, 5. guiding device, 6. projection, 7. recess, 8. valve bucket, 9. axis hole, 10. boiler alarm, 11. level sensors.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present utility model is only described in a schematic way, and therefore it only shows the formation relevant with the utility model.
Simple and easy water seal valve under a kind of negative pressure feed liquor state as illustrated in figs. 1 and 2, comprise valve gap 1 and valve body 2, on valve body 2 and valve gap 1, be connected with rotatingshaft 3, rotatingshaft 3 upper ends are fixedly connected with the handle 4 matching with rotatingshaft 3, valve gap 1 upper end is provided with the guiding device 5 for promoting rotatingshaft 3 stability and valve gap 1 sealing, guiding device 5 is fixedly connected with valve gap 1 upper surface by bolt, guiding device 5 is enclosed within on rotatingshaft 3 and is flexibly connected with rotatingshaft 3, valve gap 1 lower surface central position is provided with annular for lift-off seal performance to lower convexity 6, the corresponding annular protrusion of valve body 2 upper surfaces 6 positions offer stepped recess 7, valve body 2 upper ends are provided with the valve bucket 8 that inner diameter is greater than valve gap 1 outer diameter, valve bucket 8 upward openings, valve bucket 8 lower surfaces offer the axis hole 9 matching with rotatingshaft 3, axis hole 9 diameters are greater than the diameter of projection 6, valve bucket 8 is arranged between valve body 2 and valve gap 1, valve bucket 8, between valve body 2 and valve gap 1, be bolted fixing, on valve bucket 8 outer side walls, be fixedly connected with boiler alarm 10, the nearly lower end position of valve bucket 8 madial wall is fixedly connected with the level sensor 11 being electrically connected with boiler alarm 10, valve in when operation toward 8 internal water floodings of valve bucket, the height of water level is higher than the height of valve gap 1, but lower than the height of handle 4, the height of level sensor 11 is a little more than the height of guiding device 5, once the water level of valve bucket 8 inside is lower than level sensor 11, level sensor 11 sends signal to boiler alarm 10, the loudspeaker of boiler alarm 10 starts to send chimes of doom, thereby remind people to increase in time water, prevent valve gas leakage.
Further, boiler alarm 10 is by shell, loudspeaker and power supply unit composition, further, projection 6 is highly less than valve bucket 8 bottom thickness, further, valve bucket 8 is highly greater than the height of valve gap 1, further, on valve bucket 8 inner bottom surfaces and outer bottom, be provided with the waterproof sealing layer for lift-off seal, further, liquid in valve bucket 8 can be water, other liquid of wet goods, the beneficial effects of the utility model are, simple and easy water seal valve under negative pressure feed liquor state of the present utility model by being provided with the valve bucket 8 that carrys out poppet sealing by contain fluid between valve gap 1 and valve body 2, and automatic water level alarm set is set on valve bucket 8, by using surface tension of liquid, not only thoroughly stop the gas leak phenomenon of ecto-entad under negative pressure state, can also be too low in valve inner bucket water position time, send in time prompting, the further Security of poppet.
Taking above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this model utility technological thought, carry out various change and amendment completely.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to claim scope.
Claims (5)
1. the simple and easy water seal valve under a negative pressure feed liquor state, comprise valve gap (1) and valve body (2), it is characterized in that: on described valve body (2) and valve gap (1), be connected with rotatingshaft (3), described rotatingshaft (3) upper end is fixedly connected with the handle (4) matching with rotatingshaft (3), described valve gap (1) upper end is provided with the guiding device (5) for promoting rotatingshaft (3) stability and valve gap (1) sealing, described guiding device (5) is fixedly connected with valve gap (1) upper surface by bolt, guiding device (5) is enclosed within rotatingshaft (3) and is above flexibly connected with rotatingshaft (3), described valve gap (1) lower surface central position is provided with annular for lift-off seal performance to lower convexity (6), the described corresponding annular protrusion (6) of valve body (2) upper surface position offers stepped recess (7), valve body (2) upper end is provided with the valve bucket (8) that inner diameter is greater than valve gap (1) outer diameter, described valve bucket (8) upward opening, valve bucket (8) lower surface offers the axis hole (9) matching with rotatingshaft (3), described axis hole (9) diameter is greater than the diameter of projection (6), valve bucket (8) is arranged between valve body (2) and valve gap (1), valve bucket (8), between valve body (2) and valve gap (1), be bolted fixing, on described valve bucket (8) outer side wall, be fixedly connected with boiler alarm (10), the nearly lower end position of valve bucket (8) madial wall is fixedly connected with the level sensor (11) being electrically connected with boiler alarm (10).
2. the simple and easy water seal valve under negative pressure feed liquor state according to claim 1, is characterized in that: described boiler alarm (11) is made up of shell, loudspeaker and power supply unit.
3. the simple and easy water seal valve under negative pressure feed liquor state according to claim 1, is characterized in that: described projection (6) is highly less than valve bucket (8) bottom thickness.
4. the simple and easy water seal valve under negative pressure feed liquor state according to claim 1, is characterized in that: described valve bucket (8) is highly greater than the height of valve gap (1).
5. the simple and easy water seal valve under negative pressure feed liquor state according to claim 1, is characterized in that: on described valve bucket (8) inner bottom surface and outer bottom, be provided with the waterproof sealing layer for lift-off seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420237079.5U CN203847713U (en) | 2014-05-09 | 2014-05-09 | Simple water seal valve used in negative pressure liquid inlet state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420237079.5U CN203847713U (en) | 2014-05-09 | 2014-05-09 | Simple water seal valve used in negative pressure liquid inlet state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203847713U true CN203847713U (en) | 2014-09-24 |
Family
ID=51560733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420237079.5U Withdrawn - After Issue CN203847713U (en) | 2014-05-09 | 2014-05-09 | Simple water seal valve used in negative pressure liquid inlet state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203847713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968081A (en) * | 2014-05-09 | 2014-08-06 | 江苏滔海机械制造有限公司 | Simple water seal valve in negative pressure liquid inlet state |
-
2014
- 2014-05-09 CN CN201420237079.5U patent/CN203847713U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968081A (en) * | 2014-05-09 | 2014-08-06 | 江苏滔海机械制造有限公司 | Simple water seal valve in negative pressure liquid inlet state |
| CN103968081B (en) * | 2014-05-09 | 2016-03-16 | 江苏滔海机械制造有限公司 | Simple and easy water seal valve under negative pressure feed liquor state |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140924 Effective date of abandoning: 20160316 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |