CN2403971Y - Electromagnetic controlling pressure-changing non-return valve - Google Patents
Electromagnetic controlling pressure-changing non-return valve Download PDFInfo
- Publication number
- CN2403971Y CN2403971Y CN 99241796 CN99241796U CN2403971Y CN 2403971 Y CN2403971 Y CN 2403971Y CN 99241796 CN99241796 CN 99241796 CN 99241796 U CN99241796 U CN 99241796U CN 2403971 Y CN2403971 Y CN 2403971Y
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- CN
- China
- Prior art keywords
- electromagnetic
- switch door
- door
- check valve
- flue gas
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- 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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Abstract
The utility model relates to a pressure-changing non-return valve controlled by electromagnetism. A flue gas inlet is connected with a fume extractor, a flue gas outlet is connected with a flue gas passage, and at least one electromagnetic switching gate for parting a passage is arranged between the flue gas inlet and the flue gas outlet. The electromagnetic switching gate is formed by combining an electromagnetic coil and a gate, the electromagnetic coil can be fixed with the gate, an iron core can be fixed with a valve body, the iron core can also be fixed with the gate, and the electromagnetic coil can be fixed with the valve body. The utility model is fearless of greasy dirt and can normally works under positive pressure difference, and system reliability is good.
Description
The utility model relates to the transformation reverse stop valve that uses on the pipeline of conveyance fluid, the pressurized reverse stop valve of the cigarette that uses in the particularly multiple building, air flue and flue gas common-use tunnel.
The existing transformation reverse stop valve that is applied to cigarette, gas passage and flue gas common-use tunnel in the various buildings.Adopt the principle of gas control, gas control turnover panel or similar device are set, when gas positive differential pressure (forward pressure reduction) occurring in valve body, turnover panel or similar device are opened, and allow gas to pass through, when the gas Negative Pressure Difference occurring (reverse pressure reduction), turnover panel or similar device are closed, and forbid that gas passes through.But this class transformation reverse stop valve usually faces following problem in application, and can't bring into play its normal function, be applied to the cigarette of various buildings, the transformation check valve in the air flue, under the positive differential pressure condition of limited, work, after the greasy dirt of flue accumulates certain hour, gas control turnover panel or similar device will be stuck, and the positive differential pressure that wind-force produced of range hood is difficult to gas control turnover panel or similar device are opened, thereby make smoke evacuation, exhaust can't normally be carried out.
The purpose of this utility model is to provide a kind of greasy dirt of not being afraid of, can proper functioning under faint positive differential pressure, and the novel transformation check valve that system reliability is good.
The purpose of this utility model is achieved in that
A kind of transformation check valve of Electromagnetic Control is linked to each other with range hood by smoke inlet, and smoke outlet links to each other with gas flue, between inlet and outlet, the magnetic switch door that at least one cuts off passage is set.The magnetic switch door is by electromagnetic coil and door be combined into, can be that electromagnetic coil is fixing with door, and iron core and valve body are fixed; Also can be that iron core is fixing with door, the electromagnetic coil valve body be fixed.The switch force of magnetic switch door can be electromagnetic force and gravity combination, can be by electromagnetic force and elastic force combination, also can be the opposite electromagnetic force combination of both direction.
Between range hood and gas flue, load onto this novel transformation check valve.Range hood links to each other with transformation check valve inlet, and the outlet of transformation check valve links to each other with gas flue.This transformation check valve inlet with export between be provided with at least one magnetic switch door, the magnetic switch door same power supply of having connected with range hood.During outage, magnetic switch door closure.
Like this, when range hood is worked, the work of switching on simultaneously of magnetic switch door, promptly the magnetic switch door is opened, and flue gas is discharged; When range hood quit work, magnetic switch door closure prevented smoke backflow.
If the magnetic switch door otherwise is connected (not necessarily same power supply) with power supply with range hood, can realize above-mentioned functions equally, just operation may be inconvenient.
The magnetic switch door can be that Ac drives, and also can be dc powered; Can be that the combination of electromagnetic force and gravity realizes switch, also can be that the combination of electromagnetic force and elastic force realizes open and close, also can be that the opposite electromagnetic force combination of direction realizes open and close.
The utility model Electromagnetic Control transformation check valve can be combined into a complete product with cigarette, air flue, also can be arranged in the range hood, is combined into a complete product with range hood.
The utility model is because adopted industrial maturation, Electromagnetic Control technology, thereby reliability height reliably; And the unlatching electromagnetic force of magnetic switch door can reach corresponding numerical value on request, and magnetic force can not reduce or disappears because of greasy dirt, so be not afraid of greasy dirt, promptly be that some heavy magnetic switch doors are arranged, under less wind-force, also can normally open, so by the magnetic switch door is set, just can make electromagnetism control transformation check valve obtain very high transformation check performance more, can not influence normal smoke evacuation, exhaust simultaneously.
Below in conjunction with embodiment the utility model is described further:
Fig. 1 is the Electromagnetic Control transformation check valve structural drawing by gravity and electromagnetic force composite control switch.
Fig. 2 is the enlarged view of solenoid-operated switch door among Fig. 1.
Fig. 3 is the Electromagnetic Control transformation check valve structural drawing by the opposite electromagnetic force composite control switch of both direction.
Fig. 4 is the enlarged view of solenoid-operated switch door among Fig. 3.
Fig. 5 is the Electromagnetic Control transformation check valve structural drawing by elastic force and electromagnetic force composite control switch.
Fig. 6 is the enlarged view of solenoid-operated switch door among Fig. 5.
Fig. 1, Fig. 2 are the embodiments of transformation check valve (make up realize the Electromagnetic Control gate switch with gravity and electromagnetic force) according to the Electromagnetic Control that the utility model proposes:
Comprise flue gas channel 4, smoke inlet 1, smoke outlet 3, solenoid-operated switch door 5, range hood 2. Electromagnetic coil 6 and 8 is fixed, and iron core 7 is fixing with valve body 9.
When opening range hood 2, connect the power supply of solenoid-operated switch door 5 simultaneously, electromagnetic force is opened solenoid-operated switch door 5, and at this moment the transformation check valve is opened.
When closing range hood 2, disconnect the power supply of solenoid-operated switch door 5, gravity is closed magnetic switch door 5, and the transformation check valve is closed.
In this example, if solenoid-operated switch door 5 selects for use interchange electrically driven (operated), then range hood 2 and solenoid-operated switch door 5 can be connected in series with same power supply, thereby realize synchronous switch.
Fig. 3, Fig. 4 are the embodiments of transformation check valve (coming the control gate switch with the opposite electromagnetic force of both direction) according to the Electromagnetic Control that the utility model proposes:
Comprise flue gas channel 4, smoke inlet 1, smoke outlet 3, solenoid-operated switch door 5, range hood 2.Fixing with valve body 9 by magnetic coil 6, iron core 7 is fixing with door 8.11 is inductor coil.
When opening range hood 2, connect the power supply of solenoid-operated switch door 5 simultaneously, the electromagnetic force that induction current produced is opened solenoid-operated switch door 5, and the transformation check valve is opened.
When closing range hood 2, disconnect the power supply of solenoid-operated switch door 5, the electromagnetic force that induction current produced is closed solenoid-operated switch door 5, and the transformation check valve is closed.
Fig. 5, Fig. 6 are the embodiments of transformation check valve (making up the control gate switch with elastic force and electromagnetic force) according to the Electromagnetic Control that the utility model proposes:
Comprise flue gas channel 4, smoke inlet 1, smoke outlet 3, solenoid-operated switch door 5, range hood 2.Electromagnetic coil 6 is fixing with door 8, and iron core 7 is fixing with valve body 9, and spring 10 connects door 8 and valve body 9.
When opening range hood 2, connect the power supply of solenoid-operated switch door 5 simultaneously, electromagnetic force is opened solenoid-operated switch door 5, and the transformation check valve is opened.
When closing range hood 2, disconnect the power supply of solenoid-operated switch door 5, elastic force is closed magnetic switch door 5, and the transformation check valve is closed.
In this example, if solenoid-operated switch door 5 selects for use interchange electrically driven (operated), then the range hood 2 and the power supply of solenoid-operated switch door 5 can be contacted, thereby realize synchronous switch.
Claims (3)
1. the transformation check valve of an Electromagnetic Control is linked to each other with range hood (2) by smoke inlet (1), and smoke outlet (3) links to each other with gas flue (4), it is characterized in that between inlet and outlet the magnetic switch door (5) that at least one cuts off passage being set.
2. the transformation check valve of a kind of Electromagnetic Control according to claim 1 is characterized in that magnetic switch door (5) is by electromagnetic coil and door be combined into, can be that electromagnetic coil is fixing with door, and iron core and valve body are fixed; Also can be that iron core is fixing with door, electromagnetic coil and valve body be fixed.
3. the transformation check valve of a kind of Electromagnetic Control according to claim 1 and 2, the switch force that it is characterized in that magnetic switch door (5) can be electromagnetic force and gravity combination, can be by electromagnetic force and elastic force combination, also can be the opposite electromagnetic force combination of both direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99241796 CN2403971Y (en) | 1999-12-09 | 1999-12-09 | Electromagnetic controlling pressure-changing non-return valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99241796 CN2403971Y (en) | 1999-12-09 | 1999-12-09 | Electromagnetic controlling pressure-changing non-return valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2403971Y true CN2403971Y (en) | 2000-11-01 |
Family
ID=34028595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99241796 Expired - Fee Related CN2403971Y (en) | 1999-12-09 | 1999-12-09 | Electromagnetic controlling pressure-changing non-return valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2403971Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705994A (en) * | 2012-02-09 | 2012-10-03 | 李茂本 | Anti-freezing device of gas water heater |
-
1999
- 1999-12-09 CN CN 99241796 patent/CN2403971Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705994A (en) * | 2012-02-09 | 2012-10-03 | 李茂本 | Anti-freezing device of gas water heater |
| CN102705994B (en) * | 2012-02-09 | 2014-12-10 | 李茂本 | Anti-freezing device of gas water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |