CN207094720U - Range hood - Google Patents
Range hood Download PDFInfo
- Publication number
- CN207094720U CN207094720U CN201720992728.6U CN201720992728U CN207094720U CN 207094720 U CN207094720 U CN 207094720U CN 201720992728 U CN201720992728 U CN 201720992728U CN 207094720 U CN207094720 U CN 207094720U
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- China
- Prior art keywords
- plate
- diffusion
- range hood
- diffusion plate
- collecting chamber
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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.)
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Links
- 238000009792 diffusion process Methods 0.000 claims abstract description 174
- 239000000779 smoke Substances 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003517 fume Substances 0.000 claims abstract description 11
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 23
- 239000003546 flue gas Substances 0.000 description 23
- 230000000391 smoking effect Effects 0.000 description 19
- 239000007789 gas Substances 0.000 description 9
- 235000019504 cigarettes Nutrition 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006233 lamp black Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Ventilation (AREA)
Abstract
The utility model discloses a kind of range hood, including：Exhaust fume collecting hood, has the smoke collecting chamber of indent, and the smoke collecting chamber has air inlet；Cold plate, the corresponding air inlet are set；Diffusion plate, the diffusion plate has water conservancy diversion side and diffusion side, the water conservancy diversion side and the side of the cold plate are pivotally connected, the diffusion side is extended in the smoke collecting chamber, is had between the diffusion side and the inwall of the smoke collecting chamber and is offered air vent on airspace and/or the diffusion plate；And, first adjusting part, to drive the diffusion plate to reduce the angle between the diffusion plate and cold plate when the wind-force of the range hood reduces, and the diffusion plate is driven to increase the angle between the diffusion plate and cold plate in the wind-force increase of the range hood.For the utility model range hood by adjusting the angle of diffusion plate, water conservancy diversion effect is good, and turbulent flow is few, can obtain preferable oil smoke assimilation effect.
Description
Technical field
Range hood technical field is the utility model is related to, more particularly to a kind of range hood.
Background technology
As the improvement of people's living standards, requirement more and more higher of the people to the smoking effect of range hood.It is existing
Range hood, cold plate is provided with smoke collecting chamber, flue gas flows, air-flow in the presence of cold plate to the surrounding of smoke collecting chamber
Laminar flow is done along the surrounding of cold plate to enter inside cigarette machine.It is larger due to existing between cold plate and smoke collecting chamber side wall
Gap, in the case where rotation speed of fan is certain, negative pressure pressure is not enough to well suck flue gas in range hood, influences oil suction
The lifting of cigarette effect.
Utility model content
Main purpose of the present utility model is to propose a kind of range hood, it is intended to solves existing fume exhaust effect
The low technical problem of rate.
To achieve the above object, the utility model proposes range hood, including：
Exhaust fume collecting hood, has the smoke collecting chamber of indent, and the smoke collecting chamber has air inlet；
Cold plate, the corresponding air inlet are set；
Diffusion plate, the diffusion plate have water conservancy diversion side and diffusion side, the water conservancy diversion side and the side of the cold plate
Side is pivotally connected, and the diffusion side extends in the smoke collecting chamber, had between the diffusion side and the inwall of the smoke collecting chamber
Air vent is offered on airspace and/or the diffusion plate；And
First adjusting part, to drive the diffusion plate to reduce the diffusion when the wind-force of the range hood reduces
Angle between plate and cold plate, and drive the diffusion plate to increase the diffusion plate in the wind-force increase of the range hood
Angle between cold plate.
Preferably, first adjusting part includes motor, first connecting rod and second connecting rod, and the motor is fixed on described
Cold plate, the first connecting rod are perpendicularly fixed at the rotating shaft of the motor, one end of the second connecting rod and the first connecting rod
Be hinged, the other end is hinged with the diffusion plate.
Preferably, the range hood also includes the second adjusting part, second adjusting part include driver element and
Block piece, the driver element when the wind-force of the range hood reduces driving the block piece to reduce between the ventilation
The circulation area of gap, and drive in the wind-force increase of the range hood block piece to increase the circulation of the airspace
Area.
Preferably, the block piece is parallel to the diffusion plate and perpendicular to the direction of the diffusion side and the expansion
Pressing plate slidably coordinates, and the block piece is translated to adjust the size of the airspace.
Preferably, the driver element includes motor, the first linking arm and the second linking arm, and the motor is fixed on described
Cold plate, first linking arm are perpendicularly fixed at the rotating shaft of the motor, one end of second linking arm and described first
Linking arm is hinged, and the other end is hinged with the diffusion plate.
Preferably, the range hood also includes the 3rd adjusting part, the 3rd adjusting part include driver element and
Block piece, the driver element when the wind-force of the range hood reduces driving the block piece to reduce the air vent
Circulation area, and drive in the wind-force increase of the range hood block piece to increase the circulating face of the air vent
Product.
Preferably, the side wall of the smoke collecting chamber includes deflector, and the roof of the smoke collecting chamber includes top plate；The diffusion plate
Extend from the cold plate to the deflector or top plate.
Preferably, the angle between the diffusion plate and the cold plate is more than 90 °, and less than or equal to 180 °.
Preferably, the angle between the diffusion plate and the deflector is more than or equal to 45 °, and less than 180 °.
Preferably, the angle between the diffusion plate and reference plane is more than 0 °, and less than 90 °；And/or
Angle between the deflector and the reference plane is more than or equal to 0 °, and is less than or equal to 90 °, wherein institute
Reference plane is stated perpendicular to the cold plate and excessively described diffusion side.
Preferably, formed with the airspace between the top plate and the diffusion plate, the top plate is close to the expansion
The edge of pressing plate bends inwards formed with arc, and the arc core of the arc falls in the water conservancy diversion side edge.
In the utility model range hood, compared to directly cold plate edge formed negative pressure, either ventilate between
The setting of gap or air vent can integrally expand negative pressure region；Except expanding negative pressure region, diffusion plate can also play to flue gas
Guiding function, i.e., flue gas is guided to airspace and/or air vent；During range hood works, a part of oil smoke
Rising contacts with cold plate, and is flowed in the presence of negative pressure along cold plate, when when departing from cold plate and being not provided with diffusion plate,
The flow path of oil smoke is substantially in the parabolic shape for bending towards smoke collecting chamber, and is highly prone to disturb and produces turbulent flow；In fume-exhausting
During the wind-force increase of machine, the flow path radian of oil smoke diminishes, and by correspondingly adjusting angle between diffusion plate and cold plate, makes
The flow path can be more bonded by obtaining diffusion plate, so as to obtain preferably water conservancy diversion effect, and then reduce turbulent flow, improve oil smoke
Assimilation effect.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the utility model range hood one, and wherein panel is in open mode；
Fig. 2 is the perspective cross section structural representation of the embodiment of the utility model range hood one；
Fig. 3 is the bottom views structural representation of the embodiment of the utility model range hood one, wherein illustrating air vent
First embodiment；
Fig. 4 faces cross-sectional view for the embodiment of the utility model range hood one；
Fig. 5 is the side elevational cross-section structural representation of the embodiment of the utility model range hood one；
Fig. 6 is the section of the exhaust fume collecting hood of the embodiment of the utility model range hood one, cold plate and diffusion plate partial structurtes
Schematic diagram；
Fig. 7 is the partial enlarged drawing at A1 in Fig. 6, wherein, first, second adjusting part has removed；
Fig. 8 is the partial enlarged drawing at B in Fig. 6；
Fig. 9 is the partial enlarged drawing at A2 in Fig. 6, wherein illustrating an embodiment of the first adjusting part；
Figure 10 is the partial enlarged drawing at A3 in Fig. 6, wherein illustrating an embodiment of the second adjusting part.
Figure 11 is the side plate and top plate of the cold plate of the embodiment of the utility model range hood one, diffusion plate and exhaust fume collecting hood
Integrative-structure schematic diagram, wherein illustrating the second embodiment of air vent.
Drawing reference numeral explanation：
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is relative between each part under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one
Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical scheme is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of range hood.
In the utility model embodiment, as shown in Figure 1, Figure 2 and shown in Fig. 4, the range hood includes：
Exhaust fume collecting hood 1, has the smoke collecting chamber 11 of indent, and smoke collecting chamber 11 has air inlet 12；
Cold plate 2, corresponding air inlet 12 are set；
Diffusion plate 3, diffusion plate 3 have water conservancy diversion side 31 and diffusion side 32, water conservancy diversion side 31 and the side pivot of cold plate 2
Connect, diffusion side 32 is extended in smoke collecting chamber 11, has airspace 41 between the inwall of diffusion side 32 and smoke collecting chamber 11
And/or air vent (42a, 42b) is offered on diffusion plate 3；
Reference picture 9, the lampblack absorber also include：
First adjusting part 5a, to drive diffusion plate 3 to reduce diffusion plate 3 and condensation when the wind-force of range hood reduces
Angle between plate 2, and drive diffusion plate 3 to increase the angle between diffusion plate 3 and cold plate 2 in the wind-force increase of range hood
Degree.
In the present embodiment, specifically, range hood includes housing 6, and housing 6 has air inlet, gas outlet and is located at
Flue between air inlet and gas outlet.Housing 6 includes shell body 61 and the panel 62 being detachably connected with shell body 61, face
The connected mode of plate 62 and shell body 61 can have a lot, such as snap connection, be connected by screw.
The corresponding air inlet of exhaust fume collecting hood 1 is fixedly connected with housing 6, and exhaust fume collecting hood 1 has smoke collecting chamber 11, correspondingly enters in smoke collecting chamber 11
Gas port is provided with cold plate 2.The shape of cold plate 2 can have a lot, such as circle, polygon, ellipse, not make herein
Particular determination, by taking quadrangle as an example.
In the lower section of the side wall of smoke collecting chamber 11, formed with lubricating cup 9, the oil stream of smoke collecting chamber 11 is condensate in into lubricating cup 9.Collect cigarette
The mode that cover 1 is connected with housing 6 has a lot, such as snaps connection, mode connects for screw etc..The corresponding gas outlet of check-valves 8 is fixedly arranged on
On housing 6, to prevent air-flow from entering from gas outlet.
Reference picture 4 and Fig. 5, letter w illustrates the flowing of flue gas in figure, blower fan 7 is provided with flue, blower fan 7 includes
Spiral case 71, impeller 72 and motor 73, wherein, motor 73 is arranged on inside spiral case 71, and impeller 72 is assemblied on motor 73.Work as motor
During 73 rotation, impeller 72 rotates so that flue gas enters machine frame inside from the outside of range hood, and passes through 71 groups of spiral case
Part, check-valves 8 are discharged to outside range hood.
The shape of diffusion plate 3 can have a lot, such as circular, ellipse, triangle, and polygon etc., herein not
Make particular determination, be defined by that can be fixedly connected with the side plate of cold plate 2.The quantity of diffusion plate 3 does not make special limit herein yet
It is fixed, can have a lot, can be depending on actual conditions, exemplified by four pieces.The material of diffusion plate 3 can have a lot, as solid wood,
Glass, metal etc., by taking stainless steel as an example.The water conservancy diversion side 31 of diffusion plate 3 is fixedly connected with the side of cold plate 2, the connection side
Formula can have a lot, such as snap connection, mode connects for screw, and certainly, in certain embodiments, diffusion plate 3 and cold plate 2 can be integral
Shaping is set.What deserves to be explained is water conservancy diversion side 31 and diffusion side 32, can be oppositely arranged, can also be disposed adjacent, with phase
Exemplified by setting.
In the present embodiment, the installation form of diffusion plate 3 has a variety of, is illustrated separately below.
There is airspace 41, i.e. diffusion side 32 and collection between the side wall of the first situation, diffusion plate 3 and smoke collecting chamber 11
There is airspace 41 between the side wall of smoke chamber 11, the width of the airspace 41 be less than cold plate 2 in the side wall of smoke collecting chamber 11 it
Between distance.Wherein, in order to ensure smoking effect, the width of the airspace 41 is more than 0mm, and is less than or equal to
90mm, in certain embodiments, with more than or equal to 45mm, and less than or equal to exemplified by 60mm.Diffusion side 32 can be with
The angle of extension has a lot, is defined by the negative pressuren zone for meeting increase smoking.Wherein, the inwall of smoke collecting chamber 11 includes side wall and top
Wall.Now, air vent (42a, 42b) can be offered on diffusion plate 3, can also not open up air vent (42a, 42b).
Diffusion side 32 extends into smoke collecting chamber 11 so that diffusion side 32 is compared to cold plate 2 and the inwall of smoke collecting chamber 11
The distance between reduce it is long-range in the negative pressure that the periphery of diffusion side 32 is formed so that range hood is in smoking process
In the negative pressure formed on the periphery of cold plate 2, so as to which in the case where the component rotating speed of impeller 72 is certain, diffusion plate 3 is advantageous to improve
Smoking negative pressure, so as to improve smoking effect；Further, since diffusion plate 3 reduces in the distance between inwall of smoke collecting chamber 11 so that former
This random air-flow can be entered more uniformly in flue by airspace 41, so as to be advantageous to improve the uniform of smoking
Property.
Second case, begins with air vent (42a, 42b) on diffusion plate 3, and the shape of air vent (42a, 42b) can be with
There are many such as circular, ellipse, triangle and polygon etc., it is special that the shape of air vent (42a, 42b) is not done herein
Limit.The effect of air vent (42a, 42b) is identical with the effect of ventilation gap, is that flue gas offer passage is flowed in flue.When
After flue gas runs into cold plate 2, under the guide functions of cold plate 2, the water conservancy diversion side 31 through diffusion plate 3 is flowed into diffusion plate 3, cigarette
Gas flows along diffusion plate 3 to diffusion side 32, and during flow of flue gas, flue gas passes through air vent in the presence of negative pressure
(42a, 42b) enters flue, and through flue discharge range hood under suction function.Now, diffusion plate 3 and smoke collecting chamber 11
Inwall between there may be airspace 41, (now, the diffusion side 32 of diffusion plate 3 of airspace 41 can also be not present
Abutted with the side wall or roof of smoke collecting chamber 11), when airspace 41 be present, do not pass through air vent (42a, 42b) flue gas
All enter from airspace 41 in flue.
Diffusion side 32 extends into smoke collecting chamber 11, and air vent (42a, 42b) is arranged along diffusion plate 3 so that air vent
The position of (42a, 42b) extends out compared to the gap between cold plate 2 and the inwall of smoke collecting chamber 11, so that range hood is being inhaled
During cigarette, in the negative pressure that air vent (42a, 42b) place is formed, more than the negative pressure formed on the periphery of cold plate 2, so that, in leaf
Take turns 72 component rotating speeds it is certain in the case of, diffusion plate 3 and air vent (42a, 42b) are advantageous to improve smoking negative pressure, so as to improve
Smoking effect；Further, since inwall of the position of air vent (42a, 42b) closer to smoke collecting chamber 11, while hole is also by flue gas
Break up so that random air-flow can more uniformly pass through air vent (42a, 42b) and enter in flue originally, so as to be advantageous to
Improve the uniformity of smoking.What deserves to be explained is when air-flow is extended along surrounding air inlet towards smoke collecting chamber 11, Ke Yiyin
The air-flow for leading the side wall surrounding of smoke collecting chamber 11 (including outside smoke collecting chamber 11) is flowed, and can so cause Tobacco Control region to increase.
For first adjusting part 5a to provide power for the rotation of diffusion plate, the first adjusting part 5a can be simple electricity
Motivation, or the combination of motor and drive mechanism, such as piston rod, leading screw etc.；3 jiaos of the size of range hood wind-force and diffusion plate
Corresponding relation between degree obtains determination according to the range hood of concrete model by experiment.
In the utility model range hood, compared to directly cold plate 2 edge formed negative pressure, either ventilate between
The setting of gap 41 or air vent (42a, 42b) can integrally expand negative pressure region；Except expanding negative pressure region, diffusion plate 3 is also
Guiding function can be played to flue gas, i.e., is guided flue gas to airspace 41 and/or air vent (42a, 42b)；In range hood
During work, a part of oil smoke rises to be contacted with cold plate 2, and is flowed in the presence of negative pressure along cold plate 2, is being departed from
During cold plate 2 and when being not provided with diffusion plate 3, the flow path of oil smoke is substantially in the parabolic shape for bending towards smoke collecting chamber 11, and pole
It is vulnerable to disturbance and produces turbulent flow；In the wind-force increase of range hood, the flow path radian of oil smoke diminishes, by correspondingly
Adjust angle between diffusion plate 3 and cold plate 2 so that diffusion plate 3 can more be bonded the flow path, preferably be led so as to obtain
Effect is flowed, and then reduces turbulent flow, improves oil smoke assimilation effect.
Further, referring once again to Fig. 9, the first adjusting part 5a includes motor 51a, first connecting rod 52a and the second company
Bar 53a, motor 51a are fixed on cold plate 2, and first connecting rod 52a is perpendicularly fixed at motor 51a rotating shaft, and the one of second connecting rod 53a
End is hinged with first connecting rod 52a, and the other end is be hinged with diffusion plate 3.
In the present embodiment, as an example, when needing to expand the angle between diffusion plate 3 and cold plate 2, motor 51a
First connecting rod 52a is driven to be swung toward close to the direction of diffusion plate 3, at the same time, active force is transferred to diffusion by second connecting rod 53a
Plate 3, to promote diffusion plate 3 to rotate.Preferably, the first adjusting part 5a is arranged on the inner side of cold plate 2 and diffusion plate 3, in this way,
First adjusting part 5a will not be touched by user.
Further, reference picture 10, the range hood, which also includes the second adjusting part 5b, the second adjusting part 5b, includes drive
Moving cell 51b and block piece 52b, driver element 51b are logical to drive block piece 52b to reduce when the wind-force of range hood reduces
The circulation area in gas gap 41, and driving block piece 52b increases the circulation of airspace 41 in the wind-force increase of range hood
Area.
In the present embodiment, for driver element 51b to provide active force for mobile block piece 52b, driver element 51b can be with liquid
Pressure, pneumatically or electrically drive；During transmitting forces, the transmission mechanisms such as gear, belt or linkage can be used.Block piece
52b can be both arranged on diffusion plate 4, can also be arranged on deflector 13, as long as can be blocked i.e. to airspace 41
Can.It is understood that the regulation of airspace 41 can be carried out simultaneously during diffusion plate rotates.
Further, block piece 52b is parallel to diffusion plate 3 and can perpendicular to the direction of diffusion side 32 and diffusion plate 3
It is slidably matched, block piece 52b is translated to adjust the size of airspace 41.
In the present embodiment, by the way that block piece 52b is arranged into tabular, when fitting in diffusion plate 3 except ventilation
Blocking for gap 41 will not cause to hinder to air-flow outside.As for block piece 52b position, the inner plate surface and outer plate surface of diffusion plate 3 are equal
Can.
Specifically, driver element 51b includes motor 511b, the first linking arm 512b and the second linking arm 513b, motor
511b is fixed on cold plate 2, and the first linking arm 512b is perpendicularly fixed at motor 511b rotating shaft, the second linking arm 513b one end
It is hinged with the first linking arm 512b, the other end is be hinged with diffusion plate 3.Block piece 52a leads to equivalent to a sliding block when needing to reduce
During gas gap 41, motor 511b drives the first linking arm 512b to be swung toward close to the direction of diffusion plate 3, and at the same time, second connects
Meet arm 513b and active force is transferred to block piece 52a to promote block piece 2a to close to the direction of deflector 13 or arc 15
It is mobile, so as to progressively reduce the size of airspace 41.Preferably, block piece 52b slidably fits in the inner side of diffusion plate 3
Face, driver element 51b are located at the inner side of cold plate 2.In this way, in cold plate 2 and exposed diffusion plate 3, the block piece 52b of motion
And driver element 51b will not be to being touched by user, thus security is higher
Further, the range hood also includes the 3rd adjusting part (not shown), and it is single that the 3rd adjusting part includes driving
Member and block piece, driver element is to the driving block piece reduction air vent (42a, 42b) when the wind-force of range hood reduces
Circulation area, and driving block piece increases the circulation area of air vent (42a, 42b) in the wind-force increase of range hood.
In the present embodiment, the circulation area of air vent (42a, 42b) is adjusted so that become in the wind-force of range hood
During change, the negative pressure value for absorbing oil smoke is still ensured that still in reasonable level, and then ensure preferably oil smoke assimilation effect.Similarly,
The regulation of air vent (42a, 42b) circulation area can be carried out simultaneously during diffusion plate rotates.
Fig. 4 to Fig. 8 is refer to, in order to increase smoking area and negative pressure increase region, so as to increase smoking ability, smoke collecting chamber
11 side wall includes deflector 13, and the roof of smoke collecting chamber 11 includes top plate 14；The autocondensation plate 2 of diffusion plate 3 to deflector 13 or
Top plate 14 extends.
Specifically, in the present embodiment, diffusion plate 3 tilts extension to the direction of housing 6 so that the area of diffusion plate 3 obtains
Further increase, so as to add air vent (42a, 42b) quantity, add the area in negative pressure enhancing region so that cigarette
Gas can it is more quick, smoothly enter flue, so as to improve smoking ability.Wherein, deflector 13 can be vertically arranged,
Can also be to extending out, top plate 14 can be flat board, can also extend out setting from housing 6 to deflector 13.Certainly, implement at some
In example, roof can be formed in one setting with side wall, i.e. top plate 14 and deflector 13 can be same plate, and the plate can be bent
It can not also bend.
Referring once again to Fig. 7 and Fig. 8, in order to further improve the diffusion of diffusion plate 3 and voltage equalizing, the diffusion plate 3
Angle between the cold plate 2 is more than 90 °, and less than or equal to 180 °.It is with two pieces of diffusion plates 3 being oppositely arranged
Example, the angle between two pieces of diffusion plates 3 and cold plate 2 is respectively α 1 and α 2, and α 1 and α 2 can be with equal, can also be unequal, α 1
90 ° are both greater than with α 2, and less than or equal to 180 °.
In certain embodiments, in order that angle between diffusion plate 3 and cold plate 2 advantageously in improve negative pressure and when
Negative pressure is more uniform, and the angle between diffusion plate 3 and cold plate 2 is arranged into adjustable.Specifically, the diffusion plate 3 with it is described
Cold plate 2 is rotatablely connected；Or the side wall or roof of the diffusion plate 3 and the smoke collecting chamber 11 are rotatablely connected.Diffusion plate 3 with
The connected mode of cold plate 2, deflector 13 or top plate 14 has a lot, such as be hinged, and pivot joint etc. can also be by specifically living
Page, or shaft hole matching realize the rotation connection of diffusion plate 3.
In order to further improve the diffusion of diffusion plate 3 and voltage equalizing, between the diffusion plate 3 and the deflector 13
Angle is more than or equal to 45 °, and less than 180 °.By taking two pieces of diffusion plates 3 being oppositely arranged as an example, two pieces of diffusion plates 3 and water conservancy diversion
Angle between plate 13 is respectively β 1 and β 2, and β 1 and β 2 can be with equal, can also be unequal, and β 1 and β 2 are both greater than or be equal to
45 °, and less than 180 °.
Wherein, in order to ensure the diffusion of diffusion plate 3 and voltage equalizing, the angle between the diffusion plate 3 and reference plane is big
In 0 °, and less than 90 °；And/or the angle between the deflector 13 and reference plane is more than or equal to 0 °, and it is less than or equal to
90°.Wherein, the reference plane is perpendicular to the cold plate 2 and excessively described diffusion side 32, between two pieces of diffusion plates 3 and reference plane
Angle be respectively γ 1 and γ 2, γ 1 and γ 2 can be with equal, can also be unequal, and γ 1 and γ 2 are both greater than 0 °, and are less than
90°.Angle between two deflectors 13 and reference plane is respectively δ 1 and δ 2, and δ 1 and δ 2 can be with equal, can also be unequal, δ 1
With δ 2 both greater than or equal to 0 °, and less than or equal to 90 °.
Further, there is airspace 41, specifically, top plate between the inwall of diffusion side 32 and the smoke collecting chamber 11
Bent inwards between 14 and diffusion plate 3 formed with airspace 41, top plate 14 close to the edge of diffusion plate 3 formed with arc
Plate 15, the arc core of arc 15 fall at water conservancy diversion side 31.
In the present embodiment, for diffusion plate 3 during rotation, airspace 41 can keep constant；Diffusion plate 3 can be
Bigger angular range adjustment, and drag down negative pressure value level without considering that airspace 41 is excessive.
Further, Fig. 3 to Fig. 5, and Figure 11 be refer to, the quantity of diffusion plate 3 is polylith, and polylith diffusion plate 3 is along cold
The circumferential array of solidifying plate 2.
In the present embodiment, circumferential array of the polylith diffusion plate 3 along cold plate 2 so that the negative pressure of the surrounding of smoke collecting chamber 11 is all
Strengthened, so as to all allow flue gas quickly to be entered from the surrounding of smoke collecting chamber 11 in flue, and then effective raising
The smoking ability of range hood.Certainly, in certain embodiments, diffusion plate 3 is not necessarily intended to prolong to the surrounding of cold plate 2
Stretch, can only extend three sides or both sides therein.By by circumferential array of the polylith diffusion plate 3 along cold plate 2 so that flue gas
More it can uniformly enter in flue.
Referring once again to Fig. 6 to Fig. 8, in order to further improve smoking effect, quantity and the condensation of the diffusion plate 3
The quantity of the side of plate 2 is suitable, and the diffusion side 32 of each diffusion plate 3 is connected with the deflector 13 or top plate 14 respectively；
The adjacent diffusion plate 3 mutually splices.By taking 2 rectangular setting of cold plate as an example, the quantity of diffusion plate 3 is four pieces, every piece of diffusion
3 trapezoidal setting of plate, four pieces of diffusion plates 3 are obliquely installed the same side with cold plate 2, the water conservancy diversion side 31 of each diffusion plate 3 with
The side of cold plate 2 is fixedly connected (welding, threaded connection, or the bending of integrally formed plate).Four pieces of diffusion plates 3 and condensation
Plate 2 is spliced to form peviform.Passing through the splicing between diffusion plate 3 so that flue gas flows according to default air channel and flue, so that
Flue gas flowing it is more regular, be advantageous to improve range hood smoking ability.
What deserves to be explained is in certain embodiments, the step of in order to reduce processing technology, production efficiency is improved, is improved
Air-tightness between diffusion plate 3, cold plate 2 and exhaust fume collecting hood 1, the diffusion plate 3, the cold plate 2 and the one of the exhaust fume collecting hood 1
Shaping is set.
In order to improve the smoking ability of range hood and the uniformity of smoking, the quantity of the air vent (42a, 42b) is
Multiple, the area sum of multiple air vents (42a, 42b) gradually increases from the water conservancy diversion side 31 to the diffusion side 32
Greatly.
Specifically, in the present embodiment, by by the area sum of air vent (42a, 42b) from water conservancy diversion side 31 to diffusion
Side 32 gradually increases so that negative pressure enhancing region suction strength it is more uniform, when air-flow flows along diffusion plate 3, by
The side of nearly water conservancy diversion side 31, blast is big, and flue gas concentration is high, but air vent (42a, 42b) area is small；And close to diffusion side
32 side, wind speed is relatively low, and flue gas concentration is relatively low, and air vent (42a, 42b) area is big so that negative pressure enhancement region
While area increase, flue gas can uniformly pass through air vent (42a, 42b) and enter flue, so that flue gas is divided
Layer uniform pickup so that the absorption of flue gas is more efficient, is advantageous to improve smoking effect.
Realize that the mode that the area sum of air vent (42a, 42b) gradually increases from water conservancy diversion side 31 to diffusion side 32 has
A lot, two class examples are named to explain.Wherein, the first kind is to open up the air vent (42a, 42b) of large aperture, and each is logical
Air holes (42a, 42b) just embodies variable area given rule above, the second class be then open up small-bore air vent (42a,
42b), the shape in hole can have a variety of, and variable area given rule above is realized by setting perforate density.Certainly, at some
In embodiment, the two can be with interlaced use, and scope staggeredly should be fallen into the range of any type, said in detailed below
It is bright.
Reference picture 11 illustrates the first kind, the elongated settings of air vent 42b, multiple air vent 42b distributions
In the plate face of the diffusion plate 3；The air vent 42b extends from the water conservancy diversion side 31 to the diffusion side 32, and its
Bearing of trend of the aperture along the air vent 42b gradually increases.Air vent 42b shape can have a lot, such as mounting hole, trapezoidal
Hole, water-drop-shaped hole etc., as long as meeting that the width in hole is gradually increased.
Air vent 42b shape is by taking water-drop-shaped as an example, and specifically, the air vent 42b is smaller in shape setting of dripping, width
The chamfer radius at end are more than or equal to 2mm.The chamfer radius at the larger end of width are more than the chamfer radius of width small end.Pass through
Air vent 42b is arranged to gradual change so that the also gradual change of the throughput of air-flow, so as to which the fluctuation of air-flow will not be caused so that air-flow
Flowing it is very smooth.
Second class, the area of multiple air vents is suitable, and the arrangement density of the air vent, from the water conservancy diversion side
31 gradually increase to the diffusion side 32.The shape of air vent can have a lot, circular, ellipse, polygon etc..Self-conductance
Flow on side 31 to the direction of diffusion side 32, the perforate density of air vent is increasing so that the gross area of air vent is uniform
Increase, so that the area of negative pressure region is increased, while negative pressure is more uniform so that the also gradual change of the throughput of air-flow,
So as to which the fluctuation of air-flow will not be caused so that the flowing of air-flow is very smooth.
Preferred embodiment of the present utility model is these are only, not thereby limits the scope of the claims of the present utility model, it is every
Under inventive concept of the present utility model, the equivalent structure transformation made using the utility model specification and accompanying drawing content, or
Directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (10)
- A kind of 1. range hood, it is characterised in that including：Exhaust fume collecting hood, has the smoke collecting chamber of indent, and the smoke collecting chamber has air inlet；Cold plate, the corresponding air inlet are set；Diffusion plate, the diffusion plate have water conservancy diversion side and diffusion side, the water conservancy diversion side and the side pivot of the cold plate Connect, the diffusion side is extended in the smoke collecting chamber, has ventilation between the diffusion side and the inwall of the smoke collecting chamber Air vent is offered on gap and/or the diffusion plate；AndFirst adjusting part, to driven when the wind-force of the range hood reduces the diffusion plate reduce the diffusion plate with Angle between cold plate, and drive in the wind-force increase of the range hood diffusion plate increase the diffusion plate with it is cold Angle between solidifying plate.
- 2. range hood as claimed in claim 1, it is characterised in that first adjusting part includes motor, first connecting rod And second connecting rod, the motor are fixed on the cold plate, the first connecting rod is perpendicularly fixed at the rotating shaft of the motor, described One end of second connecting rod is hinged with the first connecting rod, and the other end is hinged with the diffusion plate.
- 3. range hood as claimed in claim 1 or 2, it is characterised in that the diffusion side and the inwall of the smoke collecting chamber Between there is airspace, the inwall bends inwards formed with arc close to the edge of the diffusion plate, the arc The arc core of plate falls in the water conservancy diversion side edge.
- 4. range hood as described in claim 3, it is characterised in that also including the second adjusting part, second regulation Component includes driver element and block piece, and the driver element when the wind-force of the range hood reduces driving the screening Block piece reduces the circulation area of the airspace, and drives the block piece to increase in the wind-force increase of the range hood The circulation area of the airspace.
- 5. range hood as described in claim 4, it is characterised in that the block piece parallel to the diffusion plate and hang down Directly slidably coordinate with the diffusion plate in the direction of the diffusion side, the block piece is translated to adjust the airspace Size.
- 6. range hood as claimed in claim 1 or 2, it is characterised in that also including the 3rd adjusting part, the 3rd regulation Component includes driver element and block piece, and the driver element when the wind-force of the range hood reduces driving the screening Block piece reduces the circulation area of the air vent, and drives the block piece increase institute in the wind-force increase of the range hood State the circulation area of air vent.
- 7. range hood as claimed in claim 1 or 2, it is characterised in that the side wall of the smoke collecting chamber includes deflector, described The roof of smoke collecting chamber includes top plate；The diffusion plate extends from the cold plate to the deflector or top plate.
- 8. range hood as claimed in claim 7, it is characterised in that the angle between the diffusion plate and the cold plate is big In 90 °, and less than or equal to 180 °.
- 9. range hood as claimed in claim 7, it is characterised in that the angle between the diffusion plate and the deflector is big In or equal to 45 °, and less than 180 °.
- 10. range hood as claimed in claim 7, it is characterised in that the angle between the diffusion plate and reference plane is more than 0 °, and less than 90 °；And/orAngle between the deflector and the reference plane is more than or equal to 0 °, and less than or equal to 90 °, wherein the benchmark Face is perpendicular to the cold plate and excessively described diffusion side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720992728.6U CN207094720U (en) | 2017-08-09 | 2017-08-09 | Range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720992728.6U CN207094720U (en) | 2017-08-09 | 2017-08-09 | Range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207094720U true CN207094720U (en) | 2018-03-13 |
Family
ID=61544800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720992728.6U Withdrawn - After Issue CN207094720U (en) | 2017-08-09 | 2017-08-09 | Range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207094720U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504532A (en) * | 2017-08-09 | 2017-12-22 | 广东美的厨房电器制造有限公司 | Range hood |
-
2017
- 2017-08-09 CN CN201720992728.6U patent/CN207094720U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504532A (en) * | 2017-08-09 | 2017-12-22 | 广东美的厨房电器制造有限公司 | Range hood |
| CN107504532B (en) * | 2017-08-09 | 2024-03-26 | 广东美的厨房电器制造有限公司 | Fume exhaust fan |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230526 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 528311 Yongan Road, Beijiao Town, Shunde District, Foshan, Guangdong 6 Patentee before: GUANGDONG MIDEA KITCHEN APPLIANCES MANUFACTURING Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180313 Effective date of abandoning: 20240326 |
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Granted publication date: 20180313 Effective date of abandoning: 20240326 |
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