CN1099117A - The cooker hood for back fume automatic electromagnetic valve - Google Patents
The cooker hood for back fume automatic electromagnetic valve Download PDFInfo
- Publication number
- CN1099117A CN1099117A CN 93116467 CN93116467A CN1099117A CN 1099117 A CN1099117 A CN 1099117A CN 93116467 CN93116467 CN 93116467 CN 93116467 A CN93116467 A CN 93116467A CN 1099117 A CN1099117 A CN 1099117A
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- valve
- smoke exhaust
- valve cover
- smoke
- electromagnet
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Abstract
The cooker hood for back fume automatic electromagnetic valve needs and the supporting use of family expenses smoke exhaust, when being the shutdown of building residential kitchen smoke exhaust, can prevent effectively from the automatics of flue return of smoke and smell.The cooker hood for back fume automatic electromagnetic valve is made up of electromagnet and valve two parts, and electromagnet armature directly or indirectly acts on valve cover (patent specification proposes four kinds of modes, and Figure of abstract is for wherein a kind of).Power circuit of the iron-core coil and the parallel connection of oil-fume extractor motor power circuit, this magnetic valve is with the startup of smoke exhaust and stop and open and close automatically.
Description
The present invention is a kind of parts of household kitchen electric appliance, needs and the supporting use of smoke exhaust, and be the automatic electromagnetic valve of cooker hood for back fume.
Resident in the building generally is that a common flue is passed through in the Duo Jia kitchen, discharges oil smoke outdoor.Use the user who does not prevent return of smoke and smell device oil extraction machine, the situation of flavor often takes place to return to indoor smoke-returning.This is promptly unhygienic, impairs the healthy of people again.At present, the family expenses smoke exhaust generally adopts baffle-type to prevent the return of smoke and smell device.Baffle-type prevents that from there is following shortcoming in the return of smoke and smell device: this baffle plate bad sealing is close, still can self catcher sheet separation return of smoke and smell, use for a long time, and oil smoke mud can make the baffle plate opening and closing malfunctioning.
The present invention prevents that for solution smoke exhaust baffle-type the above-mentioned shortcoming that the return of smoke and smell device exists from designing.
The technology of the present invention solution: the present invention partly is made up of electromagnet and valve two, the armature of electromagnet (exchanging or DC electromagnet) directly or indirectly (is connected with valve cover by connecting rod or lever, perhaps pass through connecting rod, crank is connected with the valve cover axis, perhaps pass through connecting rod, belt pulley is connected with the valve cover axis, perhaps pass through tooth bar, gear is connected with the valve cover axis, or the like) act on valve cover, power circuit of the iron-core coil and the parallel connection of oil-fume extractor motor power circuit, and by a common power operation switch control, design has " ┓ " shape sealing ring in the valve.
Adopt the present invention to do the cooker hood for back fume device, obtain following good effect: very tight behind this closed electromagnetic valve, the return of smoke and smell situation will never take place.This magnetic valve is with the startup of smoke exhaust and stop and open and close automatically more convenient saving trouble.This magnetic valve serviceability is not subjected to the influence of oil smoke mud, and serviceability is more reliable, longer service life.
Brief Description Of Drawings: accompanying drawing 1-4 is the structural representation of various embodiments of the present invention.
1 the embodiment of the invention one is described in conjunction with the accompanying drawings: unshakable in one's determination 1 is fixed on above the valve upper shield 2, and valve cover 3 is connected and fixed by connecting rod 4 and armature 5.Ironcore choke lead-in wire 6 from sheath for magnet coils 7 draw and the smoke exhaust console switch after the motor power circuit parallel connection.Valve inlet 8 is enclosed within the mist extractor outlet, valve and smoke exhaust top shell is fixed by fixing hole 9.Valve export 10 is connected with the chimney that leads to flue.Behind the smoke exhaust power on switch that closes, the oil-fume extractor motor entry into service, meanwhile, ironcore choke 11 has electric current to pass through immediately, the induced magnetism that the produces magnetic circuit that forms unshakable in one's determination that stimulates the menstrual flow, armature is produced suction upwards, and behind the gravity that has overcome valve cover, the armature that will link to each other with valve cover picks up, valve cover is promptly opened rapidly, oil smoke can enter flue by valve export, and after pressing the smoke exhaust shutdown switch, oil-fume extractor motor shuts down.Meanwhile, the ironcore choke electric current also promptly disappears, and the magnetic field that loses induction loses the suction to armature.Armature and valve cover fall rapidly under the effect of gravity, seal valve inlet closely.Oil smoke in the flue just can not return the kitchen.When the long-pending oil in valve bottom, can discharge from outage 12.
2 the embodiment of the invention two are described in conjunction with the accompanying drawings: unshakable in one's determination 1 is fixed on valve sleeve 2 lateral walls, the axis 4 of valve cover 3 is connected with crank 5, crank is connected with connecting rod 7 by mesopore 6, small end is connected with electromagnet armature 8, the lower end is connected with extension spring 9, motor power circuit parallel connection behind ironcore choke lead-in wire 10 and the smoke exhaust console switch, valve inlet 11 is enclosed within the smoke exhaust outlet, by fixing hole 12 valve and smoke exhaust top shell are fixed, valve export 13 is connected with the chimney that leads to flue.Behind the smoke exhaust starting switch that closes, the oil-fume extractor motor entry into service, meanwhile, ironcore choke 14 has electric current to pass through immediately, armature is produced suction upwards, after the effect that has overcome extension spring power, with the crank pull-up, crank drive valve cover axis revolves and turn 90 degrees, and valve cover is opened at once, and oil smoke can enter flue by valve export.After pressing the smoke exhaust shutdown switch, oil-fume extractor motor shuts down.Meanwhile, the ironcore choke electric current also disappears at once, lose suction to armature, under tension spring tension and the effect of armature gravity, crank drive valve cover axis revolves round about and turn 90 degrees, the edge of valve cover contacts with sealing ring 15, tightly seals valve inlet, and the oil smoke in the flue just can not return the kitchen.
3 the embodiment of the invention three are described in conjunction with the accompanying drawings: unshakable in one's determination 1 is fixed on valve sleeve 2 lateral walls, the axis 4 of valve cover 3 is connected with belt pulley 5, one end of belt (or other ribbon) 6 is fixed on connecting rod 7 upper ends, the other end is fixed on the belt pulley lower edge, belt 8 one ends are fixed on the connecting rod lower end, and the other end is fixed on the belt pulley upper limb, and small end is connected with electromagnet armature 9, the lower end is connected with extension spring 10, ironcore choke lead-in wire 11 and the parallel connection of smoke exhaust console switch rear motor power circuit.Valve inlet 12 is enclosed within the smoke exhaust outlet, valve and smoke exhaust top shell is fixed by fixing hole 13.Valve export 14 is connected with the chimney that leads to flue.Behind the smoke exhaust starting switch that closes, the smoke exhaust entry into service, meanwhile, ironcore choke 15 has electric current to pass through immediately, and armature is produced suction upwards, after the effect that has overcome extension spring power, with the connecting rod pull-up, connecting rod drives belt 6, belt pulley drive valve cover axis is revolved turn 90 degrees, valve cover is promptly opened rapidly, and oil smoke can enter flue by valve export.After pressing the smoke exhaust shutdown switch, smoke exhaust shuts down, and meanwhile, the ironcore choke electric current disappears immediately, lose suction to armature, under tension spring tension and the effect of armature gravity, connecting rod moves down, and connecting rod drives belt 8, belt pulley drive valve cover axis is revolved round about to be turn 90 degrees, the valve cover edge contacts with sealing ring 16, seals valve inlet closely, and the oil smoke in the flue just can not return the kitchen.
4 the embodiment of the invention four are described in conjunction with the accompanying drawings: unshakable in one's determination 1 is fixed on valve sleeve 2 lateral walls, the axis 4 of valve cover 3 is connected with gear 5, gear and tooth bar 6 match, the tooth bar upper end is connected with armature 7, the tooth bar lower end is connected with extension spring 8, the motor power circuit parallel connection behind ironcore choke lead-in wire 9 and the smoke exhaust console switch.Valve inlet 10 is enclosed within the smoke exhaust outlet, by fixing hole 11 valve and smoke exhaust top shell is fixed.Valve export 12 is connected with the chimney that leads to flue.Behind the smoke exhaust starting switch that closes, the smoke exhaust entry into service, meanwhile, ironcore choke 13 has electric current to pass through immediately, and armature is produced upwards suction, after the effect that has overcome extension spring power, with the tooth bar pull-up, the rack drives gear movement revolves the valve cover axis and turn 90 degrees, valve cover is promptly opened rapidly, and oil smoke can enter flue by the valve port outlet.After pressing the smoke exhaust shutdown switch, smoke exhaust shuts down.Meanwhile, the ironcore choke electric current disappears immediately, loses the suction to armature.Tooth bar moves down under tension spring tension and the effect of armature gravity, and the rack drives gear movement makes axial opposite spin 90 degree in the valve cover, and the valve cover edge contacts with sealing ring 14, seals valve inlet closely, and oil smoke just can not return the kitchen in the flue.
Claims (1)
- A kind of cooker hood for back fume automatic electromagnetic valve, it is characterized in that: partly form by electromagnet and valve two, the armature of electromagnet (exchanging or DC electromagnet) directly or indirectly (is connected with valve cover by connecting rod or lever, perhaps pass through connecting rod, crank is connected with the valve cover axis, perhaps pass through connecting rod, belt pulley is connected with the valve cover axis, perhaps pass through tooth bar, gear is connected with the valve cover axis, or the like) act on valve cover, power circuit of the iron-core coil and the parallel connection of smoke exhaust power circuit, and by a common power operation switch control, design has " ┓ " shape sealing ring in the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93116467 CN1099117A (en) | 1993-08-18 | 1993-08-18 | The cooker hood for back fume automatic electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93116467 CN1099117A (en) | 1993-08-18 | 1993-08-18 | The cooker hood for back fume automatic electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1099117A true CN1099117A (en) | 1995-02-22 |
Family
ID=4991576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93116467 Pending CN1099117A (en) | 1993-08-18 | 1993-08-18 | The cooker hood for back fume automatic electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1099117A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742956A (en) * | 2013-12-20 | 2014-04-23 | 宁波方太厨具有限公司 | Anti-backflow smoke structure of range hood |
| CN104046944A (en) * | 2013-03-14 | 2014-09-17 | 三星显示有限公司 | Vacuum evaporating apparatus |
-
1993
- 1993-08-18 CN CN 93116467 patent/CN1099117A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104046944A (en) * | 2013-03-14 | 2014-09-17 | 三星显示有限公司 | Vacuum evaporating apparatus |
| CN103742956A (en) * | 2013-12-20 | 2014-04-23 | 宁波方太厨具有限公司 | Anti-backflow smoke structure of range hood |
| CN103742956B (en) * | 2013-12-20 | 2016-04-27 | 宁波方太厨具有限公司 | The Anti-backflow smoke structure of range hood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |