CN208920161U - Range hood - Google Patents

Abstract

The utility model discloses a kind of range hood, the range hood includes fan shroud and exhaust fume collecting hood.Blower is equipped in fan shroud, the lower section of exhaust fume collecting hood setting fan shroud, and the inner space of exhaust fume collecting hood is connected to the inner space of fan shroud by communication port, the siding of the separate fan shroud of exhaust fume collecting hood is formed as the condensation grid of even surface, condensation grid is equipped with the air-permeating hole of strip extended along exhaust fume collecting hood front-rear direction, air-permeating hole be it is multiple, multiple air-permeating holes are spaced apart along the left and right directions of exhaust fume collecting hood, the length of at least two air-permeating holes is different, and each air-permeating hole is connected to the inner space of fan shroud.The negative pressure area of condensation grid is increased according to the range hood of the utility model embodiment, improve the smoke absorption effect of range hood, oil smoke is avoided to be adsorbed on wall, reduce the size of exhaust fume collecting hood, the possibility that user collides exhaust fume collecting hood is reduced, the safety in utilization and customer satisfaction of range hood are improved.

Description

Range hood

Technical field

The utility model relates to household appliances field more particularly to a kind of range hoods.

Background technique

Currently, smoke exhaust ventilator main component is made of blower, air duct, suction inlet and grease separated structure.In order to be promoted The effect for absorbing oil smoke, generally using Wind Volume and high back pressure as main technical performance index.After air quantity raising, although The problem of obtaining and preferably absorb oil smoke effect, but equally noise being brought to increase.Pacify especially for oil smoke suction inlet structure The smoke exhaust ventilator in side is set, the raising of air quantity is in addition to bringing noise problem, and flow velocity also will increase, and enters flowing through suction inlet When into smoke exhaust ventilator runner, mutates since air flows to, cause part to generate vortex, or even there are backflow phenomena, with Air-flow direction reduces runner efficiency on the contrary, affect air inflow, and produce additional aerodynamic noise.Most disliking In the state of bad, although the revolving speed of blower improves, due to the presence of local eddy currents, the air mass flow of smoke exhaust ventilator does not have not only There is increase, and noise increases instead.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions The range of negative pressure of a kind of range hood out, the range hood is larger, and the effect for absorbing oil smoke is preferable.

According to the range hood of the utility model embodiment, including；Fan shroud, the fan shroud is interior to be equipped with blower；Collect cigarette Cover, the lower section of the fan shroud is arranged in the exhaust fume collecting hood, and the inner space of the exhaust fume collecting hood and the inside of the fan shroud are empty Between be connected to by communication port, the siding far from the fan shroud of the exhaust fume collecting hood is formed as the condensation grid of even surface, described Condensation grid is equipped with the air-permeating hole of strip extended along the exhaust fume collecting hood front-rear direction, the air-permeating hole be it is multiple, it is multiple The air-permeating hole is spaced apart along the left and right directions of the exhaust fume collecting hood, and the length of at least two air-permeating holes is different, Mei Gesuo Air-permeating hole is stated to be connected to the inner space of the fan shroud.

According to the range hood of the utility model embodiment, since the wall surface of the separate fan shroud of exhaust fume collecting hood is formed as smooth The condensation grid in face, condensation grid are equipped with multiple strip air-permeating holes extended along the longitudinal direction, increase condensation grid Negative pressure area improves the smoke absorption effect of range hood, avoids oil smoke and is adsorbed on wall, reduces the ruler of exhaust fume collecting hood It is very little, the possibility that user collides exhaust fume collecting hood is reduced, the safety in utilization and customer satisfaction of range hood are improved.

In some embodiments, the air-permeating hole includes the first air holes being located at immediately below the communication port, and described first Air holes is formed as blind hole, first air holes be it is multiple, multiple first air holes are between the left and right directions of the exhaust fume collecting hood Every distribution.

In some specific embodiments, the width of first air holes is b1, and b1 meets relational expression: 5cm≤b1≤ 20cm。

In some specific embodiments, the condensation grid is separated into positioned at described first by multiple first air holes The left part and right part of air holes two sides, the air-permeating hole further includes the second air holes being located on the left part and the right part, described First air holes described in the extending direction of second air holes is parallel, and the length of second air holes is less than the length of first air holes.

In some alternative embodiments, second air holes is multiple, and multiple second air holes are along the exhaust fume collecting hood Action direction be spaced apart, second air holes is formed as blind hole.

In some alternative embodiments, the length of first air holes is L1, and the length of second air holes is L2, L1 Meet relational expression: 1 L1/L2≤2 < with L2.

In some alternative embodiments, the spacing of two neighboring first air holes be d1, two neighboring described second The spacing of air holes is that d2, d1 and d2 meet relational expression: 6cm≤d1≤30cm, and d2 >=d1.

In some alternative embodiments, the width of second air holes is b2, and b2 meets relational expression: 5cm≤b2≤ 20cm。

It in some alternative embodiments, is N1, the left side positioned at the distance between two first air holes at edge It is located at Far Left in portion and is N2 with the distance between two second air holes of rightmost, is located at Far Left on the right part The distance between two described second air holes of rightmost are N3, and N1, N2 and N3 meet relational expression: N2=N3, N1=N2+ N3。

In some alternative embodiments, the range hood further includes catchment cup, and the catchment cup is located at described The rear portion of grid is condensed, to collect the drop of the condensation grid condensation

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the overall structure figure of the range hood of the utility model embodiment.

Fig. 2 is the internal structure chart of the range hood of the utility model embodiment.

Fig. 3 is the internal structure chart of the other direction of the range hood of the utility model embodiment.

Appended drawing reference:

Range hood 1,

Fan shroud 10, blower 110,

Exhaust fume collecting hood 20, air-permeating hole 210, the first air holes 211, the second air holes 212, oil leak slot 230,

Catchment cup 30.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " length ", " width ", " thickness ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "top" is to be based on the orientation or positional relationship shown in the drawings, It is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have Specific orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, limiting There is the feature of " first ", " second " to can explicitly or implicitly include one or more of the features.In the utility model Description in, unless otherwise indicated, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Below with reference to Fig. 1-Fig. 3 description according to the specific structure of the range hood 1 of the utility model embodiment.

As shown in Figure 1, including fan shroud 10 and exhaust fume collecting hood 20 according to the range hood 1 of the utility model embodiment.Blower Blower 110 is equipped in cover 10, the lower section of fan shroud 10, and the inner space of exhaust fume collecting hood 20 and fan shroud 10 is arranged in exhaust fume collecting hood 20 Inner space is connected to by communication port, and the siding of the separate fan shroud 10 of exhaust fume collecting hood 20 is formed as the condensation grid of even surface, cold Solidifying grid is equipped with the air-permeating hole 210 of the strip extended along 20 front-rear direction of exhaust fume collecting hood, and air-permeating hole 210 is multiple, Duo Getou Air holes 210 is spaced apart along the left and right directions of exhaust fume collecting hood 20, and the length of at least two air-permeating holes 210 is different, each air-permeating hole 210 It is connected to the inner space of fan shroud 10.

It should be noted that the left and right directions of exhaust fume collecting hood 20 is length direction under normal conditions, front-rear direction is width side To, and the general face user in front side of exhaust fume collecting hood 20, rear end is close to wall.

It is understood that condensation grid is equipped with the air-permeating hole of the multiple strips extended along 20 front-rear direction of exhaust fume collecting hood 210, the condensation grid being arranged in this way has biggish negative pressure area, so that the smoke absorption effect of range hood 1 is preferable, additionally it is possible to Oil smoke is avoided to be adsorbed on wall.And since air-permeating hole 210 is extended along the longitudinal direction, due to size in the front-back direction compared with It is small, the intensity of the linkage section between two neighboring air-permeating hole 210 can be improved when air-permeating hole 210 is more intensive in this way, The phenomenon that avoiding the linkage section between air-permeating hole 210 from being easily damaged.At the same time, due to the smoke machine blower of exhaust fume collecting hood 20 110 siding is formed as condensing grid, that is to say, that condensation grid is actually a siding of exhaust fume collecting hood 20, to a certain degree On reduce the package size of range hood 1, avoid the phenomenon that user is easy collision exhaust fume collecting hood 20 in use generation.

Further, since the length of at least two air-permeating holes 210 is different, air-permeating hole can also be discharged according to the actual situation in this way 210 positions and dimensions, so that air-permeating hole 210 is presented most beneficial for the arrangement for absorbing oil smoke.

What needs to be explained here is that previously described even surface is not only plane, it is also possible to the circle with certain radian Other even surfaces such as cambered surface or elliptical arc surface.Previously described strip can be rectangle, can be rectangular both ends Oblong with semicircle can also be more flat ellipse, does not make specific shape to strip here and limits.

According to the range hood 1 of the utility model embodiment, since the wall surface of the separate fan shroud 10 of exhaust fume collecting hood 20 is formed For the condensation grid of even surface, condenses grid and be equipped with multiple strip air-permeating holes 210 extended along the longitudinal direction, increase cold The negative pressure area of solidifying grid, improves the smoke absorption effect of range hood 1, avoids oil smoke and be adsorbed on wall, reduce collection The size of petticoat pipe 20 reduces the possibility that user collides exhaust fume collecting hood 20, and safety in utilization and the client for improving range hood 1 are full Meaning degree.

In some embodiments, as shown in Figure 1-Figure 3, air-permeating hole 210 includes the first air holes being located at immediately below communication port 211, the first air holes 211 is formed as blind hole, the first air holes 211 be it is multiple, multiple first air holes 211 are along the left and right of exhaust fume collecting hood 20 Direction is spaced apart.It is understood that being connected to since the inner space of fan shroud 10 passes through with the inner space of exhaust fume collecting hood 20 Mouth connection, and the first air holes 211 is located at immediately below communication port when blower 110 being enabled to rotate, in 211 attachment of the first air holes It is larger to generate biggish negative pressure i.e. suction, it in this way can be by most of oil smoke inspiration smoke collecting chamber.

In some specific embodiments, the width of the first air holes 211 is b1, and b1 meets relational expression: 5cm≤b1≤ 20cm.What needs to be explained here is that the width of the first air holes 211 too it is small will cause suction not enough and cause absorb the effect of oil smoke compared with The phenomenon of difference occurs, and the furthermore too small work that can also increase range hood 1 to a certain extent of the width of the first air holes 211 is made an uproar Sound reduces user experience.But when the excessive blower 110 that can equally reduce of width of the first air holes 211 generates at the first air holes 211 Negative pressure, to reduce the assimilation effect of oil smoke.It therefore, can between 5cm-20cm by the width control of the first air holes 211 Guarantee the negative pressure that blower 110 generates at the first air holes 211, guarantees also to can control range hood 1 while 1 suction of range hood Operating noise.Certainly, in the other embodiments of the utility model, the width of the first air holes 211 can also choose other compared with For suitable range, however it is not limited to above range.

In some specific embodiments, as Figure 1-Figure 2, multiple first air holes 211 are separated into position for grid is condensed Left part and right part in 211 two sides of the first air holes, air-permeating hole 210 further include the second air holes 212 being located on left part and right part, the The first air holes of extending direction 211 of two air holes 212 is parallel, the length of the length of the second air holes 212 less than the first air holes 211.By Enter the space of the inside of exhaust fume collecting hood 20 from the first air holes 211 in most oil smoke, but in order to reduce leakage cigarette the The left and right side of one air holes 211 is disposed with the second air holes 212, does not enter 20 inner space of exhaust fume collecting hood from the first air holes 211 Oil smoke can enter in exhaust fume collecting hood 20 from the second air holes 212.Thereby it is ensured that the effect of the absorption oil smoke of range hood 1, reduces Leaking cigarette may.What needs to be explained here is that since the oil smoke that the second air holes 212 absorbs is small part, the second air holes 212 Length can be less than the first air holes 211.Certainly, in the other embodiments of the utility model, the length of the second air holes 212 can be with Equal to or less than the first air holes 211.

In some alternative embodiments, as shown in Figure 1, the second air holes 212 be it is multiple, multiple second air holes 212 are along collection The action direction of petticoat pipe 20 is spaced apart, and the second air holes 212 is formed as blind hole.Thus, it is possible to further decrease range hood 1 A possibility that leaking cigarette, improves the oil suction smoke performance of range hood 1.

In some alternative embodiments, the length of the first air holes 211 is L1, and the length of the second air holes 212 is L2, L1 with L2 meets relational expression: 1 L1/L2≤2 <.What needs to be explained here is that being only to the first air holes 211 and the second air holes 212 here Length it is schematically illustrate, be not concrete restriction.In the embodiments of the present invention, the first air holes 211 and the second air holes 212 Length relation can be and meet any condition actually required.

In some alternative embodiments, the spacing of two neighboring first air holes 211 is d1, two neighboring second air holes 212 spacing is that d2, d1 and d2 meet relational expression: 6cm≤d1≤30cm, and d2 >=d1.It is understood that according to institute above It states, most of oil smoke enters exhaust fume collecting hood 20 through the first air holes 211, and small part oil smoke enters exhaust fume collecting hood 20 through the second air holes 212, Therefore can arrange relatively intensive of the first air holes 211 and the second air holes 212 can arrange relatively sparse.It should be noted that d1 The too small linkage section intensity that will lead between two the first air holes 211 of value it is lower so that condensation grid be extremely easily damaged； And the value of d2 will cause greatly very much the more sparse effect to influence the fume-exhausting of range hood 1 of distribution of the first air holes 211. Therefore d1 control not only be can guarantee into the range of 6cm-30cm the intensity of condensation grid but also can guarantee the fume-exhausting of range hood 1 Effect.

In some alternative embodiments, as shown in Figure 1, the width of the second air holes 212 is b2, b2 meets relational expression: 5cm ≤b2≤20cm.What needs to be explained here is that the width of the second air holes 212 too it is small will cause suction not enough and cause absorb oil smoke The poor phenomenon of effect occurs, furthermore the too small work that can also increase range hood 1 to a certain extent of the width of the second air holes 212 Make noise, reduces user experience.But when the excessive blower 110 that can equally reduce of width of the second air holes 212 is at the second air holes 212 The negative pressure of generation, to reduce the assimilation effect of oil smoke.Therefore, the width of the second air holes 212 is controlled between 5cm-20cm It can guarantee the negative pressure that blower 110 generates at the second air holes 212, guarantee also to can control oil suction while 1 suction of range hood The operating noise of smoke machine 1.Certainly, in the other embodiments of the utility model, the width of the second air holes 212 can also choose it His more suitable range, however it is not limited to above range.

In some alternative embodiments, as shown in Figure 1, the distance between two the first air holes 211 for being located at edge are N1, Far Left is located on left part and is N2 with the distance between two the second air holes 212 of rightmost, is located at Far Left on right part The distance between two second air holes 212 of rightmost are N3, and N1, N2 and N3 meet relational expression: N2=N3, N1=N2+N3. Thus, it is possible to condense the negative pressure distribution below grid more uniformly to improve range hood when working normally blower 110 1 smoke absorption effect.

In some alternative embodiments, as shown in figure 3, range hood 1 further includes catchment cup 30, catchment cup 30 is located at cold The rear portion of solidifying grid, to collect the drop of condensation grid condensation, condensation grid tilts down setting in a rearward direction.It can be with Understand, the rear for condensing grid usually offers oil leak slot 230, and oil leak slot 230 is connected with catchment cup 30.Grid will be condensed It is set as tilting down the oil droplet for facilitating condensation in a rearward direction and flows to catchment cup 30, reduce and fall on hearth under drop On possibility, to improve users' satisfaction degree.

Embodiment:

The present embodiment range hood 1 includes fan shroud 10, exhaust fume collecting hood 20 and catchment cup 30.Blower is equipped in fan shroud 10 110, the lower section of fan shroud 10 is arranged in exhaust fume collecting hood 20, and the inner space of exhaust fume collecting hood 20 and the inner space of fan shroud 10 pass through company Port connection, the siding of the separate fan shroud 10 of exhaust fume collecting hood 20 are formed as the condensation grid of even surface, and condensation grid is equipped with edge The air-permeating hole 210 for the strip that 20 front-rear direction of exhaust fume collecting hood extends, air-permeating hole 210 be it is multiple, each air-permeating hole 210 is and blower The inner space connection of cover 10.Catchment cup 30 is located at the rear portion of condensation grid, to collect the drop of condensation grid condensation, condenses lattice Grid tilt down setting in a rearward direction.

Air-permeating hole 210 includes the first air holes 211 being located at immediately below communication port, and the first air holes 211 is formed as blind hole, the One air holes 211 be it is multiple, multiple first air holes 211 are spaced apart along the left and right directions of exhaust fume collecting hood 20.The width of first air holes 211 Meet relational expression for b1, b1: 5cm≤b1≤20cm.Multiple first air holes 211 are separated into grid is condensed positioned at the first air holes The left part and right part of 211 two sides, air-permeating hole 210 further include the second air holes 212 being located on left part and right part, the second air holes 212 The first air holes of extending direction 211 it is parallel, the length of the length of the second air holes 212 less than the first air holes 211.Second air holes 212 To be multiple, multiple second air holes 212 are spaced apart along the action direction of exhaust fume collecting hood 20, and the second air holes 212 is formed as blind hole.The The length of one air holes 211 is L1, and the length of the second air holes 212 is that L2, L1 and L2 meet relational expression: 1 L1/L2≤2 <.Adjacent two The spacing of a first air holes 211 is d1, and the spacing of two neighboring second air holes 212 is that d2, d1 and d2 meet relational expression: 6cm≤ D1≤30cm, and d2 >=d1.The width of second air holes 212 is b2, and b2 meets relational expression: 5cm≤b2≤20cm.Positioned at edge The distance between two first air holes 211 are N1, Far Left are located on left part and between two the second air holes 212 of rightmost Distance be N2, it is N3, N1, N2 and N3 that the distance between two second air holes 212 of Far Left and rightmost are located on right part Meet relational expression: N2=N3, N1=N2+N3.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (10)

1. a kind of range hood, which is characterized in that including；

Fan shroud, the fan shroud is interior to be equipped with blower；

The lower section of the fan shroud, and the inner space of the exhaust fume collecting hood and the fan shroud is arranged in exhaust fume collecting hood, the exhaust fume collecting hood Inner space be connected to by communication port, the siding far from the fan shroud of the exhaust fume collecting hood is formed as the condensation lattice of even surface Grid, the condensation grid are equipped with the air-permeating hole of the strip extended along the exhaust fume collecting hood front-rear direction, and the air-permeating hole is more A, multiple air-permeating holes are spaced apart along the left and right directions of the exhaust fume collecting hood, and the length of at least two air-permeating holes is different, Each air-permeating hole is connected to the inner space of the fan shroud.

2. range hood according to claim 1, which is characterized in that the air-permeating hole includes under being located at the communication port just First air holes of side, first air holes are formed as blind hole, first air holes be it is multiple, multiple first air holes are along institute The left and right directions for stating exhaust fume collecting hood is spaced apart.

3. range hood according to claim 2, which is characterized in that the width of first air holes is b1, and b1, which meets, to close It is formula: 5cm≤b1≤20cm.

4. range hood according to claim 2, which is characterized in that multiple first air holes divide the condensation grid It is divided into the left part and right part positioned at first air holes two sides, the air-permeating hole further includes being located on the left part and the right part The second air holes, the first air holes described in the extending direction of second air holes is parallel, and the length of second air holes is less than described The length of first air holes.

5. range hood according to claim 4, which is characterized in that second air holes be it is multiple, multiple described second Air holes is spaced apart along the action direction of the exhaust fume collecting hood, and second air holes is formed as blind hole.

6. range hood according to claim 4, which is characterized in that the length of first air holes be L1, described second The length of air holes is that L2, L1 and L2 meet relational expression: 1 L1/L2≤2 <.

7. range hood according to claim 4, which is characterized in that the spacing of two neighboring first air holes is d1, The spacing of two neighboring second air holes is that d2, d1 and d2 meet relational expression: 6cm≤d1≤30cm, and d2 >=d1.

8. range hood according to claim 4, which is characterized in that the width of second air holes is b2, and b2, which meets, to close It is formula: 5cm≤b2≤20cm.

9. range hood according to claim 4, which is characterized in that between two first air holes at edge Distance is N1, Far Left is located on the left part and is N2 with the distance between two second air holes of rightmost, described The distance between two second air holes for being located at Far Left and rightmost on right part are N3, and N1, N2 and N3 meet relational expression: N2=N3, N1=N2+N3.

10. range hood according to claim 1 to 9, which is characterized in that it further include catchment cup, the collection Lubricating cup is located at the rear portion of the condensation grid, to collect the drop of the condensation grid condensation.