CN1099859A - Automatic electromagetic valve for preventing smoke back-flow of exhauster - Google Patents
Automatic electromagetic valve for preventing smoke back-flow of exhauster Download PDFInfo
- Publication number
- CN1099859A CN1099859A CN 94102384 CN94102384A CN1099859A CN 1099859 A CN1099859 A CN 1099859A CN 94102384 CN94102384 CN 94102384 CN 94102384 A CN94102384 A CN 94102384A CN 1099859 A CN1099859 A CN 1099859A
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- valve
- electromagnet
- valve cover
- connecting rod
- armature
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- Electrically Driven Valve-Operating Means (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
This invention consists of electromagnet and valve. The iron-core coil power source circuit of electromagnet and the motor power source circuit of oil smoke exhauster are connected in series, and are controlled by a common power source operated switch; the electromagnet is mounted on the outside of valve, and a "h" shape seal ring is designed in the valve sleeve; and the armature of electromagnet acts on the valve cover through transmission mechanism (the armature acts on valve cover central shaft through connecting rod and crank, through connecting rod and belt wheel, or through rack and gear, or acts on valve cover through connecting rod or lever).
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 power circuit of the iron-core coil of electromagnet and the parallel connection of oil-fume extractor motor power circuit, and by a common power operation switch control, electromagnet is installed in the outside of valve, the design of valve sleeve the inside has " h " shape sealing ring, electromagnet armature acts on valve cover by transmission mechanism, and (electromagnet armature passes through connecting rod, crank acts on the valve cover central shaft, electromagnet armature passes through connecting rod, belt pulley acts on the valve cover central shaft, electromagnet armature passes through tooth bar, gearing is in the valve cover central shaft, perhaps electromagnet armature by connecting rod or leverage in valve cover).
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: Fig. 1 is the first embodiment of the invention structural representation, and Fig. 2 is the second embodiment of the invention structural representation, and Fig. 3 is the third embodiment of the invention structural representation, and Fig. 4 is the fourth embodiment of the invention structural representation.
1 the embodiment of the invention one is described in conjunction with the accompanying drawings: (1) unshakable in one's determination is fixed on valve sleeve (2) lateral wall, the central shaft (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 mist extractor 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 central shaft 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 central shaft 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.
2 the embodiment of the invention two are described in conjunction with the accompanying drawings: (1) unshakable in one's determination is fixed on valve sleeve (2) lateral wall, the central shaft (4) of valve cover (3) is connected with belt pulley (16), one end of belt (or other ribbon) (17) is fixed on connecting rod (18) upper end, the other end is fixed on the belt pulley lower edge, belt (19) one ends are fixed on the connecting rod lower end, the other end is fixed on the belt pulley upper limb, small end is connected with electromagnet armature (8), the lower end is connected with extension spring (9), ironcore choke lead-in wire (10) and the parallel connection of smoke exhaust console switch rear motor power circuit.Valve inlet (11) is enclosed within the smoke exhaust outlet, valve and smoke exhaust top shell is fixed by fixing hole (12).Valve export (13) 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 (14) 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 (17), belt pulley drive valve cover central shaft 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, meanwhile, the ironcore choke electric current disappears immediately, loses the suction to armature, under tension spring tension and the effect of armature gravity, connecting rod moves down, and connecting rod drive belt (19) revolves belt pulley drive valve cover central shaft round about and turn 90 degrees, and the valve cover edge contacts with sealing ring (15), seal valve inlet closely, 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: (1) unshakable in one's determination is fixed on valve sleeve (2) lateral wall, the central shaft (4) of valve cover (3) is connected with gear (20), gear and tooth bar (21) match, the tooth bar upper end is connected with armature (8), the tooth bar lower end is connected with extension spring (9), the 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 outlet of oil extraction machine, by fixing hole (12) valve and smoke exhaust top shell is fixed.Valve export (13) 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 (14) 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, the valve cover central shaft is revolved 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.Under tension spring tension and the effect of armature gravity, tooth bar moves down, the rack drives gear movement, make the valve cover central hub to opposite spin 90 degree, the valve cover edge contacts with sealing ring (15), 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: (1) unshakable in one's determination is fixed on above the valve upper shield (22), and valve cover (3) is connected and fixed by connecting rod (7) and armature (8).Ironcore choke lead-in wire (10) from sheath for magnet coils (23) draw and the smoke exhaust console switch after the motor power circuit parallel connection.Valve inlet (11) is enclosed within the mist extractor 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 power on switch that closes, the oil-fume extractor motor entry into service, meanwhile, ironcore choke (14) has electric current to pass through immediately, and the induced magnetism of the generation magnetic circuit that forms unshakable in one's determination that stimulates the menstrual flow produces suction upwards to armature, behind the gravity that has overcome valve cover, the armature that will link to each other with valve cover picks up, and valve cover is promptly opened rapidly, 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 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 (24).
Claims (5)
1, a kind of cooker hood for back fume automatic electromagnetic valve, partly form by electromagnet and valve two, electromagnet core coil power circuit and the parallel connection of oil-fume extractor motor power circuit, and by a common power operation switch control, it is characterized in that: electromagnet is installed in the outside of valve sleeve, the design of valve sleeve the inside has " h " RunddichtringO, and electromagnet armature acts on valve cover by transmission mechanism.
2, a kind ofly prevent the automatic electromagnetic valve of falling the return of smoke and smell as smoke exhaust as described in the claim (1), it is characterized in that: electromagnet armature acts on the valve cover central shaft by connecting rod, crank.
3, a kind of as cooker hood for back fume automatic electromagnetic valve as described in the claim (1), it is characterized in that: electromagnet armature acts on the valve cover central shaft by connecting rod, belt pulley.
4, a kind of as cooker hood for back fume automatic electromagnetic valve as described in the claim (1), it is characterized in that: electromagnet armature by tooth bar, gearing in the valve cover central shaft.
5, a kind of as cooker hood for back fume automatic electromagnetic valve as described in the claim (1), it is characterized in that: electromagnet armature by connecting rod or leverage in valve cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94102384 CN1099859A (en) | 1994-03-17 | 1994-03-17 | Automatic electromagetic valve for preventing smoke back-flow of exhauster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94102384 CN1099859A (en) | 1994-03-17 | 1994-03-17 | Automatic electromagetic valve for preventing smoke back-flow of exhauster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1099859A true CN1099859A (en) | 1995-03-08 |
Family
ID=5030611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94102384 Pending CN1099859A (en) | 1994-03-17 | 1994-03-17 | Automatic electromagetic valve for preventing smoke back-flow of exhauster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1099859A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913974A (en) * | 2012-11-09 | 2013-02-06 | 宁波方太厨具有限公司 | Locking device of air inlet of range hood |
| CN105570519A (en) * | 2016-01-28 | 2016-05-11 | 顾钰锋 | Magnetic check valve |
-
1994
- 1994-03-17 CN CN 94102384 patent/CN1099859A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913974A (en) * | 2012-11-09 | 2013-02-06 | 宁波方太厨具有限公司 | Locking device of air inlet of range hood |
| CN102913974B (en) * | 2012-11-09 | 2015-05-13 | 宁波方太厨具有限公司 | Locking device of air inlet of range hood |
| CN105570519A (en) * | 2016-01-28 | 2016-05-11 | 顾钰锋 | Magnetic check valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |