CN113531607A - Oil net structure and range hood - Google Patents
Oil net structure and range hood Download PDFInfo
- Publication number
- CN113531607A CN113531607A CN202010316743.5A CN202010316743A CN113531607A CN 113531607 A CN113531607 A CN 113531607A CN 202010316743 A CN202010316743 A CN 202010316743A CN 113531607 A CN113531607 A CN 113531607A
- Authority
- CN
- China
- Prior art keywords
- oil
- guide plate
- air inlet
- smoke
- filter screen
- 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.)
- Pending
Links
- 239000003517 fume Substances 0.000 claims description 6
- 239000000779 smoke Substances 0.000 abstract description 109
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 description 9
- 230000002093 peripheral effect Effects 0.000 description 7
- 239000006096 absorbing agent Substances 0.000 description 6
- 239000006233 lamp black Substances 0.000 description 6
- 230000000391 smoking effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2035—Arrangement or mounting of filters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention discloses an oil screen structure which comprises a guide plate, wherein an oil screen part which protrudes upwards from the left side and the right side to the middle direction is arranged on the guide plate, a plurality of air inlet holes are arranged at intervals from front to back in the oil screen part, and the air inlet holes are in a long strip shape and extend along the left direction and the right direction of the oil screen part in the radial direction. According to the invention, the left and right oil filter screen parts which protrude upwards towards the middle direction are arranged on the guide plate, especially the left and right sides of the guide plate are respectively provided with the oil filter screen parts and protrude into the smoke collecting hood, the negative pressure region in the middle of the smoke collecting cavity is uniformly moved to the two sides of the range hood, smoke collecting and absorbing effects are good when oil smoke is absorbed, the oil smoke on the two sides of the range hood is prevented from escaping, the smoke collecting performance of the smoke collecting cavity is improved, and user experience is improved. The invention also introduces a range hood applying the oil screen structure.
Description
Technical Field
The invention belongs to the technical field of kitchen utensils, and particularly relates to an oil screen structure and a range hood.
Background
In the process of making traditional Chinese diet, a large proportion of frying, stir-frying, cooking and frying is occupied, a large amount of oil smoke is generated, the kitchen environment is polluted, and the human health is influenced, so that the range hood becomes one of indispensable kitchen household appliances in modern families.
At present, most of household cookers are double cookers and are provided with a left burner and a right burner, cookers are positioned on two sides of a smoke collection cavity of a range hood, a common range hood is only provided with a central air inlet, a negative pressure area around the smoke collection cavity presents the conditions of large middle and small two sides, and when a user cooks food, oil smoke increased in the moment is easy to separate from the negative pressure area of the range hood, so that the oil smoke escapes. How to reduce the oil smoke escape usually has two kinds of technical routes, firstly promotes the amount of wind pressure index of lampblack absorber, secondly promotes the cigarette performance of holding together of collection cigarette chamber.
The chinese patent with application number 201710923594.7 discloses a lampblack absorber, its fan system is including the first ternary fan and the second ternary fan that establish ties and set up, two ternary fans, fan compact structure, fan efficiency and wind pressure are high, the negative pressure gradient of production is big, it promotes to make smoking efficiency promote by a wide margin, but set up two fans in same lampblack absorber, manufacturing cost has not only been increased, and two fans simultaneous workings, air between two fans can flow to two fans simultaneously, and make the air flow between two fans be disorderly, the noise of lampblack absorber has been increased to a certain extent, therefore, negative pressure zone through increase lampblack absorber both sides, promote the smoke collecting performance in collection smoke chamber, become the first-selected technical route that reduces the oil smoke and escape.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an oil screen structure arranged on a range hood, so that a negative pressure region in the middle of a smoke collection cavity is uniformly moved to two sides of the range hood to improve the smoke collection performance of the smoke collection cavity.
In order to solve the technical problems, the invention adopts the technical scheme that:
the oil screen structure comprises a guide plate, wherein an oil filter screen part which protrudes upwards from the left side and the right side to the middle direction is arranged on the guide plate, and a plurality of air inlet holes are arranged at intervals from front to back in the oil filter screen part.
Furthermore, the air inlet is long-strip-shaped and extends along the left and right directions of the oil filter screen part in the radial direction.
Furthermore, the guide plate is provided with an oil baffle wall which extends upwards and surrounds the edge of the air inlet hole, and the end part of the oil baffle wall is provided with a turned edge which is bent towards the outer periphery of the air inlet hole.
The oil filter further comprises an inner guide plate and an outer guide plate which are stacked up and down, a spacing space is formed between the inner guide plate and the outer guide plate, and an inner oil filter screen part arranged on the inner guide plate and an outer oil filter screen part arranged on the outer guide plate are arranged up and down oppositely; the inner oil strainer part is provided with a plurality of upper air inlet holes, the outer oil strainer part is provided with a plurality of lower air inlet holes, and the upper air inlet holes and the lower air inlet holes are staggered and communicated through a spacing space.
Further, the inner oil filter screen part and the outer oil filter screen part are in the same shape with the left side and the right side being low and the middle being high, and each upper air inlet hole is positioned above the spacing part between the adjacent lower air inlet holes; preferably, the upper air inlet hole is partially overlapped with the lower air inlet hole.
Furthermore, the left side and the right side of the guide plate are respectively provided with an oil screen part, the guide plate between the two oil screen parts is a main key part, and the oil screen parts and the main key part are integrally arranged or the oil screen parts are detachably arranged on the main key part.
Further, the main key part is in the shape of an arc with the left side low and the right side high, and the middle high protrudes upwards; preferably, the main key part of the inner-layer guide plate is in the shape of an arc with a lower left side and a higher middle part protruding upwards, and the main key part of the outer-layer guide plate is in the shape of a flat plate.
Furthermore, the periphery of the outer layer guide plate is provided with a ring of annular oil guide grooves which are sunken downwards.
The invention also provides a range hood which comprises a smoke collecting hood, wherein the oil screen structure is arranged below the smoke collecting hood, and the oil filter screen part arranged on the guide plate protrudes upwards into the smoke collecting hood.
Furthermore, the front side of a guide plate of the oil screen structure is obliquely and upwards arranged on the fume collecting hood, and the rear side of the fume collecting hood is provided with an oil box; the bottom of the oil guide groove arranged on the periphery of the guide plate is provided with a plurality of oil leakage holes, and the oil leakage holes are communicated with the oil box.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
According to the invention, through the oil screen structure, the oil screen parts which are laterally protruded towards the middle direction and upwards are arranged on the guide plate, particularly, the oil screen parts which are protruded into the smoke collecting hood are respectively arranged on the left and the right of the guide plate, the negative pressure region in the middle of the smoke collecting cavity is uniformly moved to the two sides of the range hood, so that the negative pressure regions on the two sides are enlarged, smoke collecting and smoking effects are good when oil smoke is absorbed, the escape amount of the oil smoke can be reduced, and the smoke collecting performance of the smoke collecting cavity is improved; the upper air inlet holes and the lower air inlet holes are arranged in a staggered mode, particularly the upper air inlet holes and the lower air inlet holes are arranged in an overlapped mode, the phenomenon of oil dripping or oil leakage is avoided, and user experience is improved; oil drops are formed after oil smoke is filtered and flow to the peripheral edge of the guide plate and the main key part between the two oil filter screen parts along the oil filter screen parts, because the front side of the guide plate is obliquely arranged on the smoke collection cover, the oil drops are longitudinally introduced into the oil guide groove under the action of gravity and then flow into the oil box through the oil leakage hole, the range hood is kept clean, particularly, the main key part of the inner guide plate is in a circular arc shape with two low sides and a high middle part protruding upwards, and the negative pressure regions at the left side and the right side of the range hood are further strengthened.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic diagram of a range hood in an embodiment of the invention
FIG. 2 is a schematic view of an oil network structure according to an embodiment of the present invention;
FIG. 3 is an exploded view of an oil network structure in an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of an oil network structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of an oil network structure according to a second embodiment of the present invention;
fig. 6 is an exploded view of an oil network structure according to a second embodiment of the present invention.
In the figure: 1. a chassis; 2. a smoke collecting hood; 3. an oil screen section; 4. an air inlet hole; 5. an oil retaining wall; 6. a baffle; 7. a primary key portion; 8. an oil guide groove; 9. an oil leak hole; 10. an oil box; 31. an outer oil screen section; 32. an inner screen section; 41. a lower air inlet hole; 42. an upper air inlet hole; 51. 52, oil blocking wall; 61. an outer baffle; 62. an inner layer of flow guide plate; 71. 72, main key portion.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 6, an oil screen structure is introduced in an embodiment of the present invention, which includes a flow guide plate 6, the flow guide plate 6 is installed at the bottom of the smoke collecting hood 2 in an upward inclined manner, the case 1 is disposed above the smoke collecting hood 2, the smoke collecting hood 2 is disposed at the bottom of the case 1 and defines a smoke collecting chamber with the case 1, an oil screen portion 3 protruding upward is disposed on the flow guide plate 6 from left and right sides to a middle direction, a plurality of air inlet holes 4 are arranged at intervals from front to back in the oil screen portion 3, and the air inlet holes 4 are in a strip shape and extend radially along the left and right directions of the oil screen portion 3. The left end and the right end of the oil filter screen part 3 are low, the middle part is high and protrudes out of the smoke collecting cover 2, so that the smoke collecting area is effectively increased, and the smoke collecting and smoking effects are high when the oil filter screen part absorbs oil smoke.
As shown in fig. 1 and 2, in the present embodiment, the oil strainer portions 3 are provided on both left and right sides of the flow guide plate 6, the flow guide plate 6 between the two oil strainer portions 3 is a main key portion 7, the oil strainer portions 3 are provided integrally with the main key portion 7, or the oil strainer portions 3 are detachably attached to the main key portion 7, and preferably, the two oil strainer portions 3 are integrally connected via the main key portion 7. The main key part 7 uniformly moves the negative pressure region in the middle of the smoke collection cavity to the two sides of the range hood, and guides oil smoke to enter the smoke collection cavity through the air inlet hole 4, so that the oil smoke is prevented from escaping from the left side and the right side of the range hood, and the smoke collection performance of the smoke collection cavity is improved.
As shown in fig. 1, in the present embodiment, the main key portion 7 is disposed right below the smoke collection chamber, the upper side surface of the main key portion 7 is disposed in the smoke collection chamber, and the oil strainer portions 3 on the left and right sides of the main key portion 7 respectively protrude upward from the left and right sides to the middle direction; the highest position in the middle of the oil filter screen part 3 is arranged close to the main key part 7, so that the slope of the oil filter screen part 3 close to one side of the main key part 7 is larger than that of the oil filter screen part close to one side of the periphery of the guide plate 6, because the negative pressure area in the smoke collection cavity has the characteristics of large middle and small two sides, namely the negative pressure area in the middle of the smoke collection cavity is obviously larger than the negative pressure areas on the left side and the right side of the smoke collection cavity, and the highest position in the middle of the oil filter screen part 3 close to the main key part 7 is favorable for the oil smoke on the two sides of the range hood to flow to the core negative pressure area of the smoke collection cavity.
As shown in fig. 3 and 4, in this embodiment, a circle of oil blocking walls 5 extending upward are disposed at the edges of the air inlet holes 4, the end portions of the oil blocking walls 5 are provided with curled edges curving toward the outer peripheral sides of the air inlet holes 4, oil drops formed by filtering the oil smoke by the oil strainer portion 3 transversely flow to the left and right ends of the oil strainer portion 3 along the surface of the oil blocking walls 5, and meanwhile, part of the oil drops transversely flow to the main key portions 7 along the surface of the oil blocking walls 5, so that the main key portions 7 have a dual function of guiding the oil drops formed by filtering the oil smoke and the oil smoke to flow.
Through above-mentioned oil net structure, including setting up about guide plate 6 both sides to middle direction, convex oil strainer portion 3 upwards, especially guide plate 6 about be provided with oil strainer portion 3 protrusion inside collection petticoat pipe 2 respectively, negative pressure zone in the middle of the collection smoke chamber evenly moves to the lampblack absorber both sides, increases the negative pressure zone of both sides, gathers together the cigarette when absorbing the oil smoke, smoking effect is good, can reduce the oil smoke escape volume to promote the smoke gathering performance in collection smoke chamber.
Example one
As shown in fig. 3 and 4, in this embodiment, the oil screen structure includes an outer guide plate 61 and an inner guide plate 62 stacked up and down, a spacing space is provided between the inner guide plate 62 and the outer guide plate 61, an inner oil screen portion 32 provided on the inner guide plate 62 and an outer oil screen portion 31 provided on the outer guide plate 61 are disposed opposite to each other up and down, a plurality of upper air inlet holes 42 are provided on the inner oil screen portion 32, a plurality of lower air inlet holes 41 are provided on the outer oil screen portion 31, and the upper air inlet holes 42 and the lower air inlet holes 41 are staggered and communicated with each other through the spacing space. A certain height difference exists between the inner-layer flow guide plate 62 and the outer-layer flow guide plate 61, so that a gap is reserved between the inner-layer flow guide plate 62 and the outer-layer flow guide plate 61 to form a gap space. The upper air inlet holes 42 and the lower air inlet holes 41 are arranged in a staggered mode, the interval part between the adjacent lower air inlet holes 41 of the outer-layer oil filter screen part 31 is arranged below the upper air inlet holes 42, the interval part between the adjacent upper air inlet holes 42 of the inner-layer oil filter screen part 32 is arranged above the lower air inlet holes 41, and therefore it is guaranteed that oil drops in the smoke collecting hood 2 cannot directly vertically fall downwards to penetrate through the upper air inlet holes 42 and the lower air inlet holes 41. The upper air inlet hole 42 and the lower air inlet hole 41 are communicated through the spacing space, so that the oil smoke below flows into the smoke collection cavity through the upper air inlet hole 42, the spacing space and the lower air inlet hole 41 in sequence, and the oil smoke can still be sucked and collected.
As shown in fig. 4, in this embodiment, a circle of oil blocking walls 51 and 52 extending upward are disposed at the edges of the upper air inlet hole 42 and the lower air inlet hole 41, the end portions of the oil blocking walls 51 and 52 are provided with curled edges respectively bending toward the outer peripheral sides of the upper air inlet hole 42 and the lower air inlet hole 41, the inner oil strainer portion 32 and the outer oil strainer portion 31 are both in the same shape with the lower left and right sides being low and the middle being high, each upper air inlet hole 42 is located above the spacing portion between the adjacent lower air inlet holes 41, and the upper air inlet hole 42 is partially overlapped with the lower air inlet hole 41, so as to prevent oil droplets formed by condensing the oil smoke through the outer oil strainer portion 31 and the inner oil strainer portion 32 from falling from the openings of the lower air inlet hole 41 and the upper air inlet hole 42, and affecting user experience.
As shown in fig. 3, in this embodiment, the outer baffle 61 and the inner baffle 62 are both rectangular flat plates, the outer strainer portions 31 are disposed on the left and right sides of the outer baffle 61, the outer baffle 61 between the two outer strainer portions 31 is a main key portion 71, and the two outer strainer portions 31 are integrally connected via the main key portion 71; the inner strainer portions 32 are provided on both left and right sides of the inner baffle 62, the inner baffle 62 between the two inner strainer portions 32 is a main key portion 72, and the two inner strainer portions 32 are integrally connected via the main key portion 72. The main key parts 71 and 72 of the outer layer guide plate 61 and the inner layer guide plate 62 are both flat, the main key parts 71 and 72 have the drainage function, oil smoke is guided to enter the smoke collection cavity, and meanwhile, the negative pressure area in the middle of the smoke collection cavity is uniformly moved to the left side and the right side of the range hood.
As shown in fig. 3, in the present embodiment, the outer periphery of the outer layer flow guiding plate 61 is provided with a ring of annular oil guiding grooves 8 which are recessed downward, the bottom of the groove of the annular oil guiding grooves 8 is provided with a plurality of oil leakage holes 9 which penetrate through the groove, the inner layer flow guiding plate 62 is stacked and mounted on the outer layer flow guiding plate 61, the peripheral edge of the inner layer flow guiding plate 62 is located at the outer side of the inner periphery of the annular oil guiding groove 8 or between the inner periphery and the outer periphery, the outer layer flow guiding plate 61 and the inner layer flow guiding plate 62 are integrally mounted at the bottom of the smoke collecting hood 2 in an upward inclined manner, and under the action of gravity, oil droplets formed after condensation of the oil smoke flow into the oil guiding grooves 8 along the peripheral edges of the inner layer flow guiding plate 62 and the outer layer flow guiding plate 61 and the main key portions 71 and 72 thereof.
Through above-mentioned oil net structure, go up inlet opening 42 and lower inlet opening 41 staggered arrangement mutually, especially the part of going up inlet opening 42 overlaps mutually with lower inlet opening 41 and sets up to be linked together through the interval space, not only be favorable to the oil smoke to the inside motion of collection smoke chamber, can avoid the phenomenon appearance of oil drip or oil leak simultaneously, promote user experience.
Example two
As shown in fig. 5 and 6, the present embodiment is different from the first embodiment in that: outer layer oil strainer portions 31 are arranged on the left side and the right side of the outer layer flow guide plate 61, the outer layer flow guide plate 61 between the two outer layer oil strainer portions 31 is a main key portion 71, the two outer layer oil strainer portions 31 are integrally connected through the main key portion 71, and the main key portion 71 of the outer layer flow guide plate 61 is flat; the left side and the right side of the inner layer guide plate 62 are provided with inner layer oil strainer parts 32, the inner layer guide plate 62 between the two inner layer oil strainer parts 32 is a main key part 72, the two inner layer oil strainer parts 32 are integrally connected through the main key part 72, the main key part 72 of the inner layer guide plate 62 is in the shape of a circular arc with the left side and the right side low and the middle high protruding upwards, the left side and the right side of the main key part 72 of the inner layer guide plate 62 are low and the middle high protruding out of the smoke collecting hood 2, negative pressure areas on the left side and the right side of the range hood are further strengthened, smoke escape on the left side and the right side of the range hood is further reduced, and smoke collecting performance of the smoke collecting cavity is improved.
Through the oil screen structure, especially the main key part 72 of the inner guide plate 62 is in the shape of a circular arc with two low sides and a high middle part protruding upwards, so that negative pressure areas on the left side and the right side of the range hood are further enhanced, the oil smoke escape on the left side and the right side of the range hood is reduced, and the smoke collecting performance of the smoke collecting cavity is improved.
EXAMPLE III
The present embodiment is different from the first and second embodiments in that: the lower air inlet hole 41 of the outer oil screen part 31 and the upper air inlet hole 42 of the inner oil screen part 32 are both hourglass-shaped (not shown in the figure) with large left and right ends and gradually contracted towards the middle, and the air flow rate is increased when the air flow is gradually reduced from thick to thin according to the Venturi effect, so that the air forms a 'vacuum' area at the rear side of the outlet of the venturi tube, and when the vacuum area is close to a workpiece, a certain adsorption effect is generated on the workpiece. ", the oil smoke enters the smoke collecting cavity through the lower air inlet hole 41 of the outer oil filter screen part 31 and the upper air inlet hole 42 of the inner oil filter screen part 32, and the change of the flow rate of the oil smoke accords with the Venturi effect principle.
Through above-mentioned oil screen structure, put the negative pressure district in when considering that the area is held together to smoke for gas flow speed, and then strengthened 3 central points of oil strain net portion and put the adsorption affinity to the oil smoke.
Example four
As shown in fig. 1 to 6, an embodiment of the present invention further provides a range hood having the oil screen structure according to any one of the above embodiments, including a chassis 1 and a smoke collection hood 2, the chassis 1 is disposed above the smoke collection hood 2, the smoke collection hood 2 is disposed at the bottom of the chassis 1 and defines a smoke collection chamber with the chassis 1, a front side of a guide plate 6 of the oil screen structure is obliquely installed on the smoke collection hood 2, an oil filter screen portion 3 disposed on the guide plate 6 protrudes upwards into the smoke collection hood 2, the oil filter screen portion 3 is low at left and right ends and high in middle, and has high smoke collection and smoking effects when absorbing oil smoke, and the smoke collection area is effectively increased.
As shown in fig. 1, in this embodiment, the front side of the deflector 6 is installed on the fume collecting hood 2 in an upward tilting manner, and an included angle between the deflector 6 and the horizontal plane is α, wherein α is greater than or equal to 5 ° and less than or equal to 8 °; the left side and the right side of the guide plate 6 are respectively provided with an oil filter screen part 3, the two oil filter screen parts 3 are integrally connected through a main key part 7, and the oil filter screen parts 3 are obliquely arranged on the smoke collecting hood 2 in a manner that the front part is higher and the back part is lower, so that collected oil drops are collected backwards to the oil guide groove 8; preferably, the oil strainer portion 3 is low at the front end and the rear end and high in the middle, so that oil drops on the oil strainer portion 3 can flow to the periphery and cannot be retained, and an air inlet formed in the oil strainer portion 3 is prevented from falling. Oil drops formed after the oil smoke is condensed transversely flow to the peripheral edge of the guide plate 6 and the main key part 7 of the guide plate along the surface of the oil baffle wall 5, and can quickly flow into the oil guide groove 8 under the action of gravity.
As shown in fig. 1, an oil box 10 is installed at the rear side of the fume collecting hood 2, a plurality of oil leaking holes 9 are formed in the bottom of the oil guiding groove 8, the oil leaking holes 9 are communicated with the oil box 10, the oil box 10 is detachably fixed with the bottom of the oil guiding groove 8, the length of the oil box 10 is larger than or equal to that of the oil guiding groove 8, finally, oil drops flow into the oil box 10 through the oil leaking holes 9 in the bottom of the oil guiding groove 8, residual oil drops can be conveniently and timely cleaned, and the neatness of the range hood is maintained.
Specifically, the left and right sides of the guide plate 6 are respectively provided with an oil strainer part 3, the oil strainer parts 3 are integrally low at the left and right ends, the middle part is high and protrudes out of the smoke collecting hood 2, the two oil strainer parts 3 are integrally connected through a main key part 7, the negative pressure region of the smoke collecting cavity is moved from the middle part to the left and right sides, the range hood starts to work, the main key part 7 guides the oil smoke to respectively move to the oil strainer parts 3 at the two sides, further, the outer oil strainer part 31 primarily filters the rising oil smoke, the inner oil strainer part 32 further filters the rising oil smoke, condensed oil drops respectively transversely flow to the outer guide plate 61 and the outer peripheral edge of the inner guide plate 62 and the main key parts 71 and 72 thereof along the oil blocking wall 51 of the outer oil strainer part 31 and the oil blocking wall 52 of the inner oil strainer part 32, the outer guide plate 61 and the inner guide plate 62 are obliquely installed at the bottom of the smoke collecting hood 2 upwards, under the action of gravity, oil drops flow into the oil guide groove 8 and then flow into the oil box 10 through the oil leakage hole 9, and the range hood is kept clean. The negative pressure area in the middle of the smoke collection cavity is moved to the left side and the right side through the oil filter screen part 3 protruding out of the smoke collection cover 2 and the main key part 7 arranged in the middle of the guide plate 6, so that the oil smoke escape of the left side and the right side of the range hood is reduced; the left end and the right end of the oil filter screen part 3 are low, the middle of the oil filter screen part is high, the oil filter screen part protrudes out of the smoke collecting hood 2, the smoke collecting area is increased, and the smoke collecting performance of the smoke collecting cavity is improved.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides an oil net structure, includes the guide plate, its characterized in that: the guide plate is provided with an oil filter screen part which protrudes upwards from the left side and the right side to the middle direction, and a plurality of air inlet holes are arranged at intervals from front to back in the oil filter screen part.
2. An oil network structure according to claim 1, characterized in that: the air inlet is long-strip-shaped and extends along the left and right directions of the oil filter screen part in the radial direction.
3. An oil network structure according to claim 2, characterized in that: the guide plate is provided with an oil baffle wall which is arranged around the edge of the air inlet hole and extends upwards, and the end part of the oil baffle wall is provided with a turned edge which is bent towards the periphery side of the air inlet hole.
4. An oil network structure according to any one of claims 1 to 3, characterized in that: the oil filter comprises an inner guide plate and an outer guide plate which are stacked up and down, wherein a spacing space is formed between the inner guide plate and the outer guide plate, and an inner oil filter screen part arranged on the inner guide plate and an outer oil filter screen part arranged on the outer guide plate are arranged oppositely up and down; the inner oil strainer part is provided with a plurality of upper air inlet holes, the outer oil strainer part is provided with a plurality of lower air inlet holes, and the upper air inlet holes and the lower air inlet holes are staggered and communicated through a spacing space.
5. An oil network structure according to claim 4, characterized in that: the inner oil filter screen part and the outer oil filter screen part are in the same shape with the left side low and the right side high and the middle high, and each upper air inlet hole is positioned above the spacing part between the adjacent lower air inlet holes;
preferably, the upper air inlet hole is partially overlapped with the lower air inlet hole.
6. An oil network structure according to claim 4, characterized in that: the left side and the right side of the guide plate are respectively provided with an oil strainer part, the guide plate between the two oil strainer parts is a main key part, and the oil strainer parts and the main key part are integrally arranged or the oil strainer parts are detachably arranged on the main key part.
7. An oil network structure according to claim 6, characterized in that: the main key part is in an arc shape with the left side and the right side low and the middle high protruding upwards;
preferably, the main key part of the inner-layer guide plate is in the shape of an arc with a lower left side and a higher middle part protruding upwards, and the main key part of the outer-layer guide plate is in the shape of a flat plate.
8. An oil network structure according to claim 4, characterized in that: and a circle of annular oil guide grooves which are sunken downwards are arranged on the periphery of the outer-layer guide plate.
9. The utility model provides a range hood, its characterized in that including collection petticoat pipe: the above-mentioned right 1 to 8 oil screen structure is installed to the below of collection petticoat pipe, and the oil strain net portion that sets up on the guide plate upwards protrudes in collection petticoat pipe inside.
10. A range hood according to claim 9, wherein: the front side of a guide plate of the oil screen structure is obliquely and obliquely arranged on the fume collecting hood, and the rear side of the fume collecting hood is provided with an oil box; the bottom of the oil guide groove arranged on the periphery of the guide plate is provided with a plurality of oil leakage holes, and the oil leakage holes are communicated with the oil box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010316743.5A CN113531607A (en) | 2020-04-21 | 2020-04-21 | Oil net structure and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010316743.5A CN113531607A (en) | 2020-04-21 | 2020-04-21 | Oil net structure and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113531607A true CN113531607A (en) | 2021-10-22 |
Family
ID=78123800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010316743.5A Pending CN113531607A (en) | 2020-04-21 | 2020-04-21 | Oil net structure and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113531607A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754385A (en) * | 2021-12-15 | 2022-07-15 | 杭州老板电器股份有限公司 | Smoke collecting device and range hood |
-
2020
- 2020-04-21 CN CN202010316743.5A patent/CN113531607A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754385A (en) * | 2021-12-15 | 2022-07-15 | 杭州老板电器股份有限公司 | Smoke collecting device and range hood |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113531607A (en) | Oil net structure and range hood | |
| CN208253681U (en) | A kind of filter device of range hood | |
| CN208907648U (en) | Hold together cigarette device and range hood | |
| CN201043772Y (en) | Oil leakage-proof fume exhauster net cover | |
| CN213931075U (en) | Integrated kitchen range | |
| CN207815423U (en) | A kind of range hood | |
| CN109780592B (en) | Fume exhauster | |
| CN206131107U (en) | Oil strain dish | |
| CN213983697U (en) | Drainage structure and integrated kitchen | |
| CN215383350U (en) | Frying basket and cooking utensil | |
| CN212227164U (en) | Novel wind-force pulls oil extraction cigarette mechanism, smoke ventilator and oil extraction cigarette system | |
| CN109764374B (en) | Fume exhauster | |
| CN209726296U (en) | Oil smoke separation assembly in integrated kitchen range | |
| CN109595633A (en) | A kind of range hood | |
| CN109764373B (en) | Fume exhauster | |
| CN214700882U (en) | Smoke exhaust ventilator | |
| CN216010951U (en) | Smoke guide plate and range hood | |
| CN219559021U (en) | Oil net and kitchen appliance | |
| CN217154273U (en) | Fume exhauster | |
| CN217540840U (en) | Portable oil fume purifying device | |
| CN220308984U (en) | Baking tray provided with oil smoke filtering system | |
| CN211176944U (en) | Smoke machine system with near-suction device | |
| CN213777832U (en) | Fume exhaust fan | |
| CN211822608U (en) | Smoke exhaust ventilator | |
| CN211273946U (en) | Integrated catering oil fume purification device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |