CN2298449Y

CN2298449Y - Clean-free cooker hood

Info

Publication number: CN2298449Y
Application number: CN97213180U
Authority: CN
Inventors: 郭兴森
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-03-27
Filing date: 1997-03-27
Publication date: 1998-11-25
Anticipated expiration: 2007-03-27

Abstract

The utility model relates to a clean-free cooker hood whose iron or steel guiding pipe frame is provided with a deflector, and the periphery of the deflector is provided with magnetic rubber strips and the inner part of the deflector is attached with flame-retardant plastic. The facade of the guiding pipe is provided with a unit roller blind which is made up of the flame-retardant plastic, the unit roller blind is also provided with 2-4 connected peripheries, and a rigidity frame with the magnetic rubber strips is arranged at the peripheries of the unit roller blind. One end of the guiding pipe which forms a corrugated-tube shape is connected with the upper end of the guiding cover, and the other end of the guiding pipe is connected with a collecting pipe which is arranged on a fixing frame. The connection part of the collecting pipe and a fume exhausting pipe is tilted up, a jet pipe central line in the collecting pipe is coincident with the extension line of a fume exhausting pipe central line. The inner covers of the guiding pipe, the collecting pipe, and the fume exhausting pipe is provided with plastic film, and each part of the plastic film can be replaced when cleaning.

Description

Exempt to clean smoke exhaust

The utility model relates to a kind of smoke exhaust.

The kind of smoke exhaust is a lot of at present, for exempting the trouble of cleaning draught fan impeller, someone has designed and has utilized high velocity air to form negative pressure principle, blower fan is located at the smoke exhaust of enclosure outside, as disclosed＜a kind of jetting type smoke exhaust at May 3 nineteen ninety-five utility model patent communique〉(patent No. 94205585.3) its primary structure smoke discharging pipe of including cooking casing and forming by gas skirt, changing-over pipe, smoke exhaust pipe, mitered jet pipe on the changing-over pipe.The angle α of jet pipe that this other end and blower fan join and changing-over pipe is less than 45 °.Its weak point is that the jet pipe of mitered will cause its gas that sprays repeatedly to reflect consumed energy in heat exchanger tube, causes negative pressure to reduce to reduce flue gas velocity.Cook also very difficult cleaning of greasy dirt that the casing built-in in addition.

The purpose of this utility model is to provide a kind of smoke discharging effect good, thoroughly exempts the smoke exhaust that cleans.

The purpose of this utility model can realize by following measure: a kind ofly exempt to clean smoke exhaust, it includes kuppe, mozzle, collecting pipe, smoke exhaust pipe, fixed mount and fluidic generator, it is characterized in that: going up to cutting rectangular pyramid shape is down cuboid steel or irony kuppe framework, except that the each several part in bottom surface and front is equipped with the deflector that periphery corresponding with it established the built-in flame retardant plastics film of magnetic seal adhesive tape, the kuppe front is by 2～4 the continuous peripheries that have that the transparent flame-retarding plastics are made the unit roller shutter that also is provided with the magnetic adhesive tape on rigid frame and the frame to be arranged, this roller shutter internal layer is established the transparent flame-retarding plastic sheeting, bellow-shaped mozzle one end of being made by flame retardant plastics links to each other with kuppe upper end through hole, the other end is located on the cramp bar of fixed mount and links to each other with the collecting pipe that is located at on the cramp bar, this elbow-shaped collecting pipe links to each other with smoke exhaust pipe and partly upwarps, the jet pipe center line in the collecting pipe and the extended line of smoke exhaust pipe center line coincide, fluidic generator on this jet pipe lower end is passed collecting pipe and is located at cramp bar links to each other, at mozzle, all be covered with the flame retardant plastics film in collecting pipe and the smoke exhaust pipe.Establish a sagging fixed head on two cramp bars, the ambulatory splint corresponding with it arranged on every cramp bar, fix a screw rod on these clamping plate, this screw rod passes the screw of the vertical column of fixed mount, the peripheral hardware nut.Vertically the air inlet through hole is established in the deflector bottom.Outside mozzle, collecting pipe and smoke exhaust pipe, also be covered with the flame retardant plastics film.

The utility model mainly includes kuppe, mozzle, collecting pipe, smoke exhaust pipe, fixed mount and fluidic generator, and wherein kuppe includes the framework that is made of steel or iron.This framework has four vertical columns, and two adjacent crossbeam column upper and lower sides are linked to each other by crossbeam respectively and the angle of cut is 90 ° except that does not set positive lower end.Establishing on entablature with it is section rectangular pyramid shape framework on base, is provided with circular rings on this rectangular pyramid framework.This kuppe framework outside is provided with deflector, makes it to constitute kuppe, has in covering on the table of body of heater.It can be flame retardant plastics, glass and aluminium sheet or iron plate with the corresponding deflector of fixed mount each several part except that bottom surface and front.Periphery at deflector is provided with the magnetic seal adhesive tape, makes deflector can inhale on framework and reaches airtight.Has layer of plastic film at the inner face of deflector in addition, to prevent speckling with greasy dirt on the deflector.When plastic sheeting gets final product with taking off deflector replacing plastic sheeting after dirty.Positive kuppe is to be fixed on folding type roller shutter on the kuppe framework by the upper end that the transparent flame-retarding plastics are made, and it can be 2～4 foldings.This can select as required.Be provided with rigid frame at the every unit roller shutter periphery that links to each other, also be provided with the magnetic seal adhesive tape on the frame, locate in order to be pull-in on the support when sagging and the convolution.Be provided with the transparent flame-retarding plastic sheeting for exempting cleaning in the kuppe of front, this film is fixing with its upper end by the magnetic seal adhesive tape, and the lower end connects together with clip and roller shutter, so that change.Positive kuppe lower end and table have a segment distance, and it is an air inlet.Be preferably in vertical deflector bottom and be provided with the air inlet through hole, it can link to each other with the open air by conduit, to replenish the deficiency of indoor oxygen amount in winter.On this air inlet through hole, be provided with valve, can close when not using.The circular rings of kuppe framework upper end links to each other with an end of mozzle, should be can be folded into the bend pipe of various angles by the bellows that flame retardant plastics is made, to adapt to different installation sites.This mozzle other end passes the through hole on wall or the window, links to each other with the collecting pipe that is located at the open air, and it can import collecting pipe with the flue gas in the kuppe.For being preferably on the pipe outer wall at inside pipe wall, the cleaning of exempting mozzle also is covered with plastic sheeting.Mozzle reaches outdoor part and places on the set cramp bar of fixed mount.This fixed mount has the vertical column of two spacings less than draft-tube diameter, and its underpart is fixed on and (also can extends downwardly on the sill of back) its upper end on the back upper beam of kuppe framework and go up the vertical two parallel cramp bars that are provided with in the other direction with kuppe.On this cramp bar, except that being provided with mozzle, also be provided with collecting pipe.The part of horizontal setting that the collecting pipe of being made by flame retardant plastics or iron sheet links to each other with mozzle, and the part that the collecting pipe other end links to each other with smoke exhaust pipe upwarps, and makes collecting pipe be bend pipe.Be provided with jet pipe in the collecting pipe, its upper end is located at collecting pipe and smoke exhaust pipe intersection, and the through hole that the lower end is passed on the collecting pipe links to each other with fluidic generator.The extended line of the center of jet pipe and smoke exhaust pipe center line coincides.Fluidic generator is that it is fixed on the cramp bar of support by the high-speed centrifugal air blast of silicon controlled buncher control.Be preferably in and also establish a sagging fixed head on two cramp bars, the ambulatory splint corresponding with it arranged on every cramp bar, fix a screw rod on these clamping plate, this screw rod passes the screw peripheral hardware nut of the vertical column of fixed mount.Above-mentioned two boards may be stuck on wall or the window frame, and is fastening with nut, can be with whole fixed mount location.Be covered with plastic sheeting in above-mentioned collecting pipe and the smoke exhaust pipe, be preferably in aforementioned tube and also be covered with plastic sheeting outward, make the mist extractor passage avoid cleaning.Preferably be provided with the protective cap that protects from the wind and rain at the smoke exhaust pipe free end.On the entablature of kuppe framework, be provided with the control panel of fluidic generator switch in addition, on this control panel, can also be provided with illuminating lamp etc.Preferably also be provided with monolithic smoke pumping control integrated circuit (IC) circuit board and button that is mated and gas sensor, to realize the automatic control of this smoke exhaust.

After the body of heater igniting, the temperature in the kuppe raises, and density descends, and is accessible because of the mist extractor passage again, therefore carries out free convection.When the time open big former dome or the high or indoor disadvantageous situation of free convection such as cold air of putting of outdoor temperature in summer because of operation, then open fluidic generator, high-speed gas made from jet pipe ejection and produced negative pressure in the kuppe and carry out this moment, carried out forced convection, and the oil smoke in the kuppe is discharged.Also because Gas Jet is outdoor Cryogenic air, just with its cooling, makes it to condense into profit and drip separated from the gas opening when itself and oil smoke steam meet in addition.Establishing a store oil box in the kuppe lower end just can collect them.

The utility model has following advantage compared to existing technology:

1, the utility model is simple in structure, cost is low, mist extractor is effective.

2, every part that contacts with oil smoke is all established and is changed disposable cover easily, makes smoke exhaust thoroughly avoid cleaning.

3, discharge flue is accessible, can utilize free convection to save the energy.

4, jet pipe and the coaxial operating efficiency that can bring into play fluidic generator to greatest extent of smoke exhaust pipe.

5, the utility model not only can be used on the cover safe in utilization that the kitchen also can be used as gas heater.

6, to be located at outdoor one be to abate the noise to fluidic generator, indoorly in addition can not form the local decompression district.

Drawing is described as follows:

Fig. 1 is a user mode schematic diagram of the present utility model.

Fig. 2 is a front elevational schematic of the present utility model.

Fig. 3 is a schematic side view of the present utility model.

Fig. 4 is a schematic top plan view of the present utility model.

The utility model is described in further detail to utilize the example shown in the accompanying drawing.Clean in the schematic diagram of smoke exhaust in Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4 exempting from, by angle steel make following on the cuboid for cutting rectangular pyramid shape kuppe 1 framework except that bottom surface and front, each several part is equipped with the deflector 2 that periphery corresponding with it established the built-in plastic sheeting of magnetic adhesive tape.Former dome 3 is by 3 the continuous peripheries that have that the transparent flame-retarding plastics are made the unit roller shutter that also is provided with the magnetic adhesive tape on rigid frame and the frame to be arranged.Be attached with the transparent flame-retarding plastic sheeting in the roller shutter.Be provided with the air inlet through hole in rear side deflector bottom.Bellow-shaped mozzle 4 one ends link to each other with kuppe framework upper end through hole, and the other end links to each other with collecting pipe 5.Mozzle reaches outdoor part and places on the set cramp bar 7 of fixed mount 6, is provided with the vertical column 8 of two spacings less than draft-tube diameter on the back upper beam of kuppe framework.This column upper end is provided with two parallel cramp bars, also is provided with the collecting pipe that links to each other with mozzle on this cramp bar except that being provided with mozzle.This elbow-shaped collecting pipe upwarps with the part that smoke exhaust pipe 9 links to each other, be 45 ° of angles with horizontal direction, jet pipe 10 upper ends in the collecting pipe are located at collecting pipe and smoke exhaust pipe intersection, and the through hole that the lower end is passed on the collecting pipe links to each other with fluidic generator 11 on being fixed on cramp bar.Also establish a sagging fixed head 12 on two cramp bars, establish the ambulatory splint corresponding with it 13 on every cramp bar, fix a screw rod 14 on these clamping plate, this screw rod passes the screw peripheral hardware nut of the vertical column of fixed mount.Inside and outside mozzle, collecting pipe and smoke exhaust pipe, all be covered with the flame retardant plastics film.On the entablature of kuppe fixed mount, be provided with control panel 14 in addition.

Claims

1, a kind ofly exempt to clean smoke exhaust, it includes kuppe (1), mozzle (4), collecting pipe (5), smoke exhaust pipe (9) fixed mount (6) and fluidic generator (11), it is characterized in that: going up to cutting rectangular pyramid shape is down cuboid steel or irony kuppe framework, except that the each several part in bottom surface and front is equipped with the deflector (2) that periphery corresponding with it established the built-in flame retardant plastics film of magnetic seal adhesive tape, kuppe (3) front is by 2～4 the continuous peripheries that have that the transparent flame-retarding plastics are made the unit roller shutter that also is provided with the magnetic adhesive tape on rigid frame and the frame to be arranged, this roller shutter internal layer is established the transparent flame-retarding plastic sheeting, bellow-shaped mozzle one end of being made by flame retardant plastics links to each other with kuppe upper end through hole, the cramp bar (7) that the other end is located at fixed mount (6) upward links to each other with the collecting pipe that is located at on the cramp bar, this elbow-shaped collecting pipe links to each other with smoke exhaust pipe and partly upwarps, jet pipe (10) center line in the collecting pipe and the extended line of smoke exhaust pipe center line coincide, fluidic generator on this jet pipe lower end is passed collecting pipe and is located at cramp bar links to each other, at mozzle, all be covered with the flame retardant plastics film in collecting pipe and the smoke exhaust pipe.

2, according to claim 1ly exempt to clean smoke exhaust, it is characterized in that: establish a sagging fixed head (12) in two supportings ten, the ambulatory splint corresponding with it (13) arranged on every cramp bar, fix a screw rod on these clamping plate, this screw rod passes the screw of the vertical column of fixed mount, the peripheral hardware nut.

3, according to claim 1 and 2ly exempt to clean smoke exhaust, it is characterized in that: vertically the air inlet through hole is established in the deflector bottom.

4, according to claim 3ly exempt to clean smoke exhaust, it is characterized in that: outside mozzle, collecting pipe and smoke exhaust pipe, also be covered with the flame retardant plastics film.