CN2191942Y - Automatic constant temp. drain valve - Google Patents
Automatic constant temp. drain valve Download PDFInfo
- Publication number
- CN2191942Y CN2191942Y CN 94227628 CN94227628U CN2191942Y CN 2191942 Y CN2191942 Y CN 2191942Y CN 94227628 CN94227628 CN 94227628 CN 94227628 U CN94227628 U CN 94227628U CN 2191942 Y CN2191942 Y CN 2191942Y
- Authority
- CN
- China
- Prior art keywords
- valve
- drain valve
- needle
- drain
- utility
- 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 - Fee Related
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- Temperature-Responsive Valves (AREA)
Abstract
The utility model discloses an Automatic constant temperature drain valve, which is composed of a valve body, a needle-shaped valve core, and a valve seat, wherein, the needle-shaped valve core is corresponding to the valve seat. The utility model relates to the drain valve used for the industry. The utility model is characterized in that a heat sensitive element is formed by that a piece of shape memory alloy and the needle-shaped valve core are connected and combined, and the heat sensitive element is used for opening or closing the heat sensitive element. When a drain system is started, the drain valve is under a cold state, a memory alloy spring is contracted, the needle-shaped valve core is pushed off from the valve seat by the inner pressure of the system, the drain valve is fully opened, and cold water and cold air are discharged out from the drain valve. When the cold water is discharged out totally, condensed water with a high temperature enters the drain valve, the memory alloy spring is heated and is expanded, the needle-shaped valve core is pushed into the valve seat, and the drain valve is closed. The closed drain valve is cooled by radiating, the memory spring is cooled and is contracted, the needle-shaped valve core loses the push force for closing the valve, and is pushed off from the valve seat by the pressure of the condensed water, the drain valve can discharge water again, and the drain valve enters into the normal working cycle. The utility model has the advantages of simple structure, small size, long service life, and rapid flow guiding.
Description
The utility model relates to a kind of industrial drain valve, a kind of specifically automatic permanent drain valve.
Existing thermostatic type drain valve adopts bimetallic strip or the liquid bloated bellows of splashing, as the thermosensitive element that opens and closes drain valve.Because last two kinds of thermosensitive elements keying amplitude is little, can not adapt to the hydrophobic amount fluctuation that vapour system causes because of work changes fully.
For addressing this problem, common way is to use needs manual tune often, to adapt to hydrophobic quantitative changeization, brings inconvenience to the user.
The purpose of this utility model is: provide a kind of and do the automatic constant-temperature drain valve that drain valve opens and closes thermosensitive element with new material, it is cold water and the air in the removal system efficiently and effectively, adapts to hydrophobic quantitative changeization automatically, keeps constant temperature hydrophobic, does not need manual tune.
The purpose of this utility model is achieved in that in the drain valve housing heat of packing into is stretched the shrinkage shape memory alloy spring.It and aciculiform spool are formed the temperature-sensitive unit that opens and closes drain valve, spool is most advanced and sophisticated facing to hydrophobic valve seat, when draining system starts, drain valve is in cold conditions, heat is stretched the shrinkage shape memory alloy spring and is shunk, the aciculiform spool is separated matter pressure by system and is pushed away valve seat, the drain valve standard-sized sheet, and cold water and cool air are discharged from drain valve rapidly.When cold water has been arranged, when condensed water in high temperature entered drain valve, heat was stretched the shrinkage shape memory alloy spring and is subjected to thermal stretching, promoted the aciculiform spool and entered valve seat drain valve is closed.Drain valve after closing cools off because of heat radiation, and heat is stretched the shrinkage shape memory alloy spring and also cooled off contraction, and the aciculiform spool loses to close and goes valve thrust, is pushed away valve seat by water of condensation pressure, and drain valve restarts draining and enters the proper functioning circulation.
The utility model has the advantages that heat is stretched the shrinkage shape memory alloy spring as thermosensitive element, be applied to the automatic constant-temperature drain valve, can adapt to hydrophobic quantitative changeization effectively automatically.Keep constant temperature hydrophobic, good energy-conserving effect, and also water valve is simple in structure, volume is little, long service life, water conservancy diversion are fast.
The utility model concrete structure is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the vertical sectional view of the utility model when closing.
(1)-valve seat wherein, (2)-valve body, (3)-aciculiform spool, (4)-Re are stretched shrinkage shape-memory gold spring, (5)-packing ring, (6)-location baffle.
As shown in Figure 1; The heat of packing in valve body (2) housing is stretched shrinkage shape memory alloy spring (4), and it and aciculiform spool (3) are formed the thermosensitive element that opens and closes drain valve, and aciculiform spool (3) is most advanced and sophisticated facing to valve seat (1).Packing ring (5) is arranged in the valve seat (1), and the end that heat is stretched shrinkage shape memory alloy spring (4) joins with location baffle (6).It is in the closed position that aciculiform spool (3) enters valve seat (1) among the figure.
When draining system starts, drain valve is in cold conditions, heat is stretched shrinkage shape memory alloy spring (4) and is shunk, aciculiform spool (3) is separated matter pressure by system and is pushed away valve seat (1), drain valve standard-sized sheet, cold water and cool air are discharged when cold water from drain valve rapidly and have been arranged, when condensed water in high temperature enters drain valve, memory alloy spring (4) is subjected to thermal stretching, and promotion aciculiform spool (3) enters valve seat (1) and closes hydrophobic.Drain valve after closing cools off because of heat radiation, and heat is stretched shrinkage shape memory alloy spring (4) and also cooled off contraction, and aciculiform spool (3) loses closes thrust, is pushed away valve seat (1) by water of condensation pressure, and drain valve restarts draining and enters the proper functioning circulation.
Claims (1)
1, a kind of automatic constant-temperature drain valve that comprises that valve body, aciculiform spool are formed facing to valve seat is characterized in that stretching the shrinkage marmem by heat is connected combination with the aciculiform spool, as the thermosensitive element that opens and closes drain valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94227628 CN2191942Y (en) | 1994-01-27 | 1994-01-27 | Automatic constant temp. drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94227628 CN2191942Y (en) | 1994-01-27 | 1994-01-27 | Automatic constant temp. drain valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2191942Y true CN2191942Y (en) | 1995-03-15 |
Family
ID=33840337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94227628 Expired - Fee Related CN2191942Y (en) | 1994-01-27 | 1994-01-27 | Automatic constant temp. drain valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2191942Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102105728B (en) * | 2008-07-29 | 2013-06-12 | 韦内特公司 | Thermostatic valve for a fluid circuit and method of making such a valve |
-
1994
- 1994-01-27 CN CN 94227628 patent/CN2191942Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102105728B (en) * | 2008-07-29 | 2013-06-12 | 韦内特公司 | Thermostatic valve for a fluid circuit and method of making such a valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Ji Mingzhe Document name: payment instructions |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |