CN204026793U - A kind of top-sucking kitchen ventilator with smoke deflector - Google Patents
A kind of top-sucking kitchen ventilator with smoke deflector Download PDFInfo
- Publication number
- CN204026793U CN204026793U CN201420478312.9U CN201420478312U CN204026793U CN 204026793 U CN204026793 U CN 204026793U CN 201420478312 U CN201420478312 U CN 201420478312U CN 204026793 U CN204026793 U CN 204026793U
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- CN
- China
- Prior art keywords
- smoke deflector
- deflector
- smoke
- kitchen ventilator
- collecting hood
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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.)
- Withdrawn - After Issue
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Abstract
The utility model is a kind of top-sucking kitchen ventilator with smoke deflector, comprise body, exhaust fume collecting hood and smoke deflector, wherein exhaust fume collecting hood is connected with body, blower fan is provided with in body, described exhaust fume collecting hood is provided with air inlet, described deflector is just arranged the air inlet of exhaust fume collecting hood, and there is spacing between deflector and exhaust fume collecting hood and form oil smoke passage, and the lower surface of described smoke deflector is wavy.The utility model, owing to being arranged to wavy by the lower surface of deflector, increases the roughness of deflector lower surface, when oil smoke will produce larger boundary-layer through the lower surface of this smoke deflector, enhances wall attachment effect, thus enhances and lead cigarette effect.
Description
Technical field
The utility model relates to a kind of lampblack absorber, especially a kind of top-sucking kitchen ventilator with deflector.
Background technology
The air inlet mode of current existing top-sucking kitchen ventilator is typically employed in the middle mode arranging air inlet and Inlet Network of exhaust fume collecting hood of indent, as application number a kind of kitchen hood disclosed in the Chinese patent of 200520086100.7, comprise the exhaust fume collecting hood being arranged on bottom and the air channel designed on exhaust fume collecting hood top, the air inlet ring be connected with bottom, air channel is provided with at the middle part of exhaust fume collecting hood, fan is provided with in air channel, air inlet ring bottom is provided with oil cleaner screen, and the bottom of oil cleaner screen is provided with lubricating cup.The negative pressuren zone of this lampblack absorber mainly concentrates near Inlet Network, and that is high negative pressure district mainly concentrates on centre, and this air draught mode is unfavorable to adopting the user of eyes stove or multi-hole kitchen range to use, oil smoke easily from the cigarette machine left and right sides and front side excessive.
In order to the problem that above-mentioned traditional top suction type cigarette machine negative pressure is concentrated, Chinese Patent Application No. 200910096759.3 discloses a kind of top-sucking kitchen ventilator with smoke deflector, one piece of smoke deflector is provided with below air inlet in the middle of its exhaust fume collecting hood, this smoke deflector covers the air inlet of whole exhaust fume collecting hood and leaves certain distance with exhaust fume collecting hood end face and forms air intake passage, this smoke deflector extends air inlet negative pressure on the one hand toward the left and right sides and front side, solve the problem that traditional top-sucking kitchen ventilator negative pressure is concentrated, on the other hand this smoke deflector plays and certain leads cigarette effect, oil smoke produces wall attachment effect through smoke deflector, can oil smoke both sides and front side guiding to the left and right.But because this smoke deflector is smooth plates, the wall attachment effect DeGrain of generation, leads cigarette poor effect.
Cigarette poor effect problem is led in order to solve above-mentioned smoke deflector, Chinese Patent Application No. 201310639355.0 proposes a kind of smoke deflector with middle high, low concave inward structure around, when oil smoke is through the smoke deflector of this indent, whirlpool is formed in female parts space, thicken the negative layer thickness on smoke deflector surface to a certain extent, thus enhance the effect of wall attachment effect, achieve certain effect.
Summary of the invention
The purpose of this utility model is the deficiency of at least one overcome described in above-mentioned prior art, provides a kind of top-sucking kitchen ventilator with smoke deflector, of the present utility modelly can improve its smoke deflector wall attachment effect further.
In order to achieve the above object, the technical scheme that the utility model is taked: a kind of top-sucking kitchen ventilator with smoke deflector, comprise exhaust fume collecting hood and smoke deflector, described exhaust fume collecting hood is provided with air inlet, described deflector is just arranged the air inlet of exhaust fume collecting hood, and deflector and exhaust fume collecting hood keep predetermined spacing and form oil smoke passage, the lower surface of described smoke deflector is wavy.
In such scheme, the lower surface of smoke deflector is wavy, increases the roughness of lower surface, and the boundary layer thickness that oil smoke fluid produces when its surface becomes large.
For the ease of tidying up the oil droplet that smoke deflector surface is formed, the rear side of above-mentioned smoke deflector is provided with lubricating cup, and after high before smoke deflector, low dip is arranged, and the lower surface of smoke deflector is provided with many grooves distributed in left-right direction.
Further, in order to the oil droplet making smoke deflector surface be formed flows into lubricating cup smoothly, above-mentioned groove extends to the side edge, front and back of smoke deflector.
In order to further enhance wall attachment effect, the degree of depth of above-mentioned groove diminishes from front to back.
The surrounding of above-mentioned smoke deflector is along the flange be provided with upwards, and the upper surface of smoke deflector forms projection in the position of the every bar groove of correspondence, and form oil duct between adjacent two projections of the upper surface of smoke deflector, the rear end of oil duct offers oil leaking hole.In this programme, not affecting oil smoke fluid flows to oil smoke passage along smoke deflector lower surface on the one hand, ensures that the oil droplet that smoke deflector upper surface is formed flows into lubricating cup from the oil leaking hole on smoke deflector back side edge edge on the other hand.
Preferably, the shape of cross section of above-mentioned groove is arc, rectangle, triangle or trapezoidal.
Preferably, the depth H of above-mentioned groove is 0.5mm to 10mm.
Another program, the rear side of above-mentioned smoke deflector is provided with lubricating cup, after high before smoke deflector, low dip is arranged, the middle part of the lower surface of smoke deflector is plane, the lower surface of smoke deflector is respectively equipped with deep-slotted chip breaker in the both sides of corresponding flat, and the degree of depth of deep-slotted chip breaker diminishes from front to back, the boundary layer thickness formed when oil smoke fluid flows through deep-slotted chip breaker increases.
In order to attractive in appearance, the intersection of the plane in the middle part of above-mentioned smoke deflector and the deep-slotted chip breaker of its both sides is in " eight " font.
The surrounding of above-mentioned smoke deflector is along the flange be provided with upwards, and the upper surface of smoke deflector forms projection in the position of corresponding deep-slotted chip breaker, and smoke deflector back side edge is along offering oil leaking hole.In this programme, not affecting oil smoke fluid flows to oil smoke passage along smoke deflector lower surface on the one hand, ensures that the oil droplet that smoke deflector upper surface is formed flows into lubricating cup from the oil leaking hole on smoke deflector back side edge edge on the other hand.
Preferably, the degree of depth h of above-mentioned deep-slotted chip breaker is 0.5mm to 10mm.
The utility model is owing to being arranged to wavy by the lower surface of deflector, increase the roughness of deflector lower surface, when oil smoke will produce larger boundary-layer through the lower surface of this smoke deflector, enhance wall attachment effect, thus enhance and lead cigarette effect, the utility model not only structure is simple, distributes in left-right direction and extend to the side edge, front and back of smoke deflector due to many grooves, be equivalent to define many smooth smooth and easy oil circuits from front to back, make drip convenient and effective.
Accompanying drawing explanation
Fig. 1 is the structural representation of the top-sucking kitchen ventilator with deflector of embodiment 1.
Fig. 2 is the sectional view of Fig. 1 along A-A direction.
Fig. 3 is the structural representation of the smoke deflector of embodiment 1.
Fig. 4 is the sectional view of Fig. 3 along B-B direction.
Fig. 5 is the structural representation of embodiment 2 smoke deflector.
Fig. 6 is the projection view of Fig. 5 along C direction.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the utility model is further described.Wherein, accompanying drawing only for exemplary illustration, expression be only schematic diagram, but not pictorial diagram, can not be interpreted as the restriction to this patent; In order to embodiment of the present utility model is described better, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; For a person skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
The corresponding same or analogous parts of same or analogous label in the accompanying drawing of the utility model embodiment, in description of the present utility model, it will be appreciated that, if have term " on ", D score, " left side ", " right side ", " front ", " afterwards ", " vertically ", orientation or the position relationship of the instruction such as " level " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the term of position relationship is described only for exemplary illustration in accompanying drawing, the restriction to this patent can not be interpreted as.
embodiment 1
The top-sucking kitchen ventilator of band smoke deflector of the present utility model is as Fig. 1, shown in 2, comprise exhaust fume collecting hood 1, smoke deflector 2, lubricating cup 3 and body 4, wherein exhaust fume collecting hood 1 is arranged on the lower end of body 4, blower fan system 41 is provided with in body 4, the lower end of exhaust fume collecting hood 1 offers air inlet, deflector 2 is just to the air inlet of exhaust fume collecting hood 1, and high rear low dip is arranged before smoke deflector 2, deflector 2 and exhaust fume collecting hood 1 keep predetermined spacing and form oil smoke passage, smoke deflector 2 is fixed on exhaust fume collecting hood 1 by support or buckle 5, the below on the back side edge edge of smoke deflector 2 is provided with the lubricating cup 3 of bar shaped, the lower surface of smoke deflector 2 is wavy.
In the present embodiment, the lower surface of smoke deflector 2 is provided with many grooves distributed in left-right direction 21, spacing is there is between groove 21, groove 21 extends to the side edge, front and back of smoke deflector 2, and the surrounding of smoke deflector 2 is along the flange 22 be provided with upwards, the upper surface of smoke deflector 2 forms protruding 24 in the position of the every bar groove 21 of correspondence, oil duct 25 is formed between adjacent two projections 24 of the upper surface of smoke deflector 2, the rear end of oil duct 25 offers oil leaking hole 23, as Fig. 3, shown in 4, preferably, oil leaking hole 23 is formed by there is gap between the bottom surface of oil duct 25 and flange 22, when the oil droplet that the upper surface of smoke deflector 2 is formed, because rear low dip high before smoke deflector 2 is arranged, therefore oil droplet can flow to oil leaking hole 23 along oil duct 25, thus be dropped in lubricating cup 3, the oil droplet that the lower surface of smoke deflector 2 is formed also can slide to back side edge edge along the lower surface of smoke deflector 2 and fall in lubricating cup 3, flange 22 is upwards arranged, thus do not affect oil smoke and flow to oil smoke passage along smoke deflector 2 lower surface.
Preferably, the shape of cross section of above-mentioned groove 21 is arc, rectangle, triangle or trapezoidal, and the depth H of groove 21 diminishes from front to back gradually, and the depth H of groove 21 is 0.5mm to 10mm.In the present embodiment, the groove 21 of smoke deflector 2 lower surface and the projection 24 of upper surface are formed by punching press, shaping easy.
The operation principle of range hood of the present utility model, blower fan system 41 starts, negative pressure is formed in the air inlet of exhaust fume collecting hood 1, oil smoke rises on exhaust fume collecting hood 1 direction, and the top of deflector 2 is entered into from the oil smoke passage between deflector 2 and exhaust fume collecting hood 1, finally enter in exhaust fume collecting hood 1 from the air inlet of exhaust fume collecting hood 1, when oil smoke will produce boundary-layer through the lower surface of this smoke deflector 2, lower surface due to smoke deflector 2 is wavy, be equivalent to the roughness of the lower surface increasing smoke deflector 2, thus enhance wall attachment effect, thus enhance and lead cigarette effect.
embodiment 2
The range hood of the present embodiment is similar to Example 1, it is distinguished as: as Fig. 5, shown in 6, the rear side of above-mentioned smoke deflector 2 is provided with lubricating cup 3, after high before smoke deflector 2, low dip is arranged, the middle part of the lower surface of smoke deflector 2 is plane 26, the lower surface of smoke deflector 2 is respectively equipped with deep-slotted chip breaker 27 in the left and right sides of corresponding flat 26, and the degree of depth of deep-slotted chip breaker 27 diminishes from front to back gradually, the degree of depth h of deep-slotted chip breaker 27 is 0.5mm to 10mm, the surrounding of smoke deflector 2 is along the flange 22 be provided with upwards, the upper surface of smoke deflector 2 forms protruding 24 in the position of corresponding deep-slotted chip breaker 27, smoke deflector 2 back side edge is along offering oil leaking hole 23, preferably, plane 26 in the middle part of above-mentioned smoke deflector 2 is " eight " font with the intersection of the deep-slotted chip breaker 27 of its both sides, in order to easily manufactured, the deep-slotted chip breaker 27 of smoke deflector 2 lower surface and the projection 24 of upper surface are formed by punching press.
The operation principle of the range hood of the present embodiment is identical with embodiment 1, and the lower surface of smoke deflector 2 arranges middle part for plane, and the roughness of the both sides lower surface that to be concave surface be also in order to increase smoke deflector 2, enhances wall attachment effect, thus enhances and lead cigarette effect.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., within the protection domain that all should be included in the utility model claim.
Claims (10)
1. the top-sucking kitchen ventilator with smoke deflector, comprise exhaust fume collecting hood (1) and smoke deflector (2), (1) offers air inlet to described exhaust fume collecting hood, described deflector (2) is just arranged the air inlet of exhaust fume collecting hood (1), and smoke deflector (2) and exhaust fume collecting hood (1) keep predetermined spacing and form oil smoke passage, it is characterized in that: the lower surface of described smoke deflector (2) is wavy.
2. the top-sucking kitchen ventilator of band smoke deflector according to claim 1, it is characterized in that, the rear side of described smoke deflector (2) is provided with lubricating cup (3), and after smoke deflector (2) front height, low dip is arranged, and the lower surface of smoke deflector (2) is provided with many grooves distributed in left-right direction (21).
3. the top-sucking kitchen ventilator of band smoke deflector according to claim 2, is characterized in that, described groove (21) extends to the side edge, front and back of smoke deflector (2).
4. the top-sucking kitchen ventilator of band smoke deflector according to claim 3, is characterized in that, the degree of depth of described groove (21) diminishes from front to back.
5. the top-sucking kitchen ventilator of band smoke deflector according to claim 4, it is characterized in that, the surrounding of described smoke deflector (2) is along the flange (22) be provided with upwards, and the upper surface of smoke deflector (2) forms projection (24) in the position of the every bar groove (21) of correspondence, form oil duct (25) between adjacent two projections (24) of the upper surface of smoke deflector (2), the rear end of oil duct (25) offers oil leaking hole (23).
6. the top-sucking kitchen ventilator of the band smoke deflector according to any one of claim 2 to 5, is characterized in that, the shape of cross section of described groove (21) is arc, rectangle, triangle or trapezoidal.
7. the top-sucking kitchen ventilator of the band smoke deflector according to any one of claim 2 to 5, is characterized in that, the depth H of described groove (21) is 0.5mm to 10mm.
8. the top-sucking kitchen ventilator of band smoke deflector according to claim 1, it is characterized in that, the rear side of described smoke deflector (2) is provided with lubricating cup (3), after smoke deflector (2) front height, low dip is arranged, the middle part of the lower surface of smoke deflector (2) is plane (26), the lower surface of smoke deflector (2) is respectively equipped with deep-slotted chip breaker (27) in the both sides of corresponding flat (26), and the degree of depth of deep-slotted chip breaker (27) diminishes from front to back.
9. the top-sucking kitchen ventilator of band smoke deflector according to claim 8, it is characterized in that, the surrounding of described smoke deflector (2) is along the flange (22) be provided with upwards, the upper surface of smoke deflector (2) forms projection (24) in the position of corresponding deep-slotted chip breaker (27), and smoke deflector (2) back side edge is along offering oil leaking hole (23).
10. the top-sucking kitchen ventilator of band smoke deflector according to claim 8, is characterized in that, the degree of depth h of described deep-slotted chip breaker (27) is 0.5mm to 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478312.9U CN204026793U (en) | 2014-08-22 | 2014-08-22 | A kind of top-sucking kitchen ventilator with smoke deflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478312.9U CN204026793U (en) | 2014-08-22 | 2014-08-22 | A kind of top-sucking kitchen ventilator with smoke deflector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204026793U true CN204026793U (en) | 2014-12-17 |
Family
ID=52066644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420478312.9U Withdrawn - After Issue CN204026793U (en) | 2014-08-22 | 2014-08-22 | A kind of top-sucking kitchen ventilator with smoke deflector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204026793U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180413A (en) * | 2014-08-22 | 2014-12-03 | 广东海信家电有限公司 | Top-suction extractor hood with smoke deflector |
| CN109780597A (en) * | 2017-11-10 | 2019-05-21 | 宁波方太厨具有限公司 | A kind of range hood |
-
2014
- 2014-08-22 CN CN201420478312.9U patent/CN204026793U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180413A (en) * | 2014-08-22 | 2014-12-03 | 广东海信家电有限公司 | Top-suction extractor hood with smoke deflector |
| CN104180413B (en) * | 2014-08-22 | 2017-05-03 | 广东海信家电有限公司 | Top-suction extractor hood with smoke deflector |
| CN109780597A (en) * | 2017-11-10 | 2019-05-21 | 宁波方太厨具有限公司 | A kind of range hood |
| CN109780597B (en) * | 2017-11-10 | 2024-01-16 | 宁波方太厨具有限公司 | Fume exhauster |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141217 Effective date of abandoning: 20170503 |