CN208587960U - Internal circulation range hood - Google Patents

Abstract

The utility model discloses a kind of internal-circulation type range hood, the internal-circulation type range hood includes: shell, and air inlet and air outlet are formed on the shell, and the air inlet is connected to the air outlet, and outlet grid is equipped at the air outlet；Fan assembly, the fan assembly are located in the shell；Electric machine assembly, the electric machine assembly are connected with fan assembly transmission, to drive air to be entered in the shell by the air inlet, and are discharged outside the shell from the air outlet.Internal-circulation type range hood according to the present utility model can form negative pressure when electric machine assembly drives fan assembly rotation in shell, so that external air is easy to enter in shell via air inlet, and it so recycles outside air outlet discharge shell again, achievees the purpose that air cleaning.In addition, convenient for by the intracorporal air conducting of shell to air outlet, being conducive to reduce air drag, reducing noise by the way that outlet grid is arranged at air outlet.

Description

Internal-circulation type range hood

Technical field

The utility model relates to fields of home appliance technology, more particularly to a kind of internal-circulation type range hood.

Background technique

In the related technology, in order to adapt to the space layout in open kitchen, furred ceiling extractor hood structure is from wall built-up form It is transformed into furred ceiling form.Furred ceiling smoke machine is suspended below the furred ceiling of kitchen, is taken away during cooking by inner fan system The oil smoke of generation.

However, the air outlet grate of conventional range hood cannot carry out primary filtration well, user experience is influenced.

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 A kind of internal-circulation type range hood out, the good air purification effect of the internal-circulation type range hood, and good appearance.

According to the internal-circulation type range hood of the utility model embodiment, comprising: shell is formed with air inlet on the shell Mouth and air outlet, the air inlet are connected to the air outlet, and outlet grid is equipped at the air outlet；Fan assembly, it is described Fan assembly is located in the shell；Electric machine assembly, the electric machine assembly is connected with fan assembly transmission, to drive air Entered in the shell by the air inlet, and is discharged outside the shell from the air outlet.

According to the internal-circulation type range hood of the utility model embodiment, when electric machine assembly drives fan assembly rotation, Negative pressure can be formed in shell, so that external air is easy to enter in shell via air inlet, and arranged again from air outlet Out outside shell, so recycles, achieve the purpose that air cleaning.In addition, being convenient for by the way that outlet grid is arranged at air outlet by shell Intracorporal air conducting is conducive to reduce air drag, reduces noise to air outlet.

In addition, also having following additional technology special according to the internal-circulation type range hood of the utility model above-described embodiment Sign:

Some embodiments according to the present utility model, the outlet grid are located at the top of the shell, the outlet lattice Grid are configured to the annular of the central axis around the internal-circulation type range hood.

Some embodiments according to the present utility model, the shell include: lower encioser；Upper encloser, the upper encloser are located at The top of the lower encioser, the air outlet are formed on the upper encloser, and the air outlet is configured to surround in described and follow The annular of the central axis of ring-type extractor hood, the outlet grid are arranged around the air outlet.

Further, the air inlet is equipped with import grid, and the import grid and the outlet grid include: this Body, the ontology are configured to annular；Frame trough, the frame trough are configured to through-thickness through the ontology.

Further, the import grid and the outlet grid are integrally formed moulding, and the ontology is extremely It is few a part of arc-shaped.

Optionally, the frame trough is configured to strip.

Specifically, the import grid and the outlet grid are each configured to revolving body, and in direction from top to bottom The diameter of the cross section of the upper import grid is gradually reduced, the cross section of the outlet grid on direction from top to bottom Diameter is gradually increased.

Some embodiments according to the present utility model are additionally provided with filter assemblies in the shell, and the filter assemblies are by structure Annular is caused, to enter the intracorporal air of the shell by the air inlet by filter assemblies filtering.

Further, conducting element is equipped in the shell, at least part of the conducting element is in arc protruding upward, To enter the intracorporal air progress water conservancy diversion of the shell to by the air inlet, the conducting element is located at the interior of the filter assemblies Side.

Specifically, the electric machine assembly includes: motor；Electric machine support, the electric machine support is located on the motor, described Motor is connected with the upper encloser by the electric machine support；It is additionally provided with resilient cushion between the electric machine support and the motor, The electric machine support is detachably connected with the upper encloser；The fan assembly is connected with the electric machine assembly by axle sleeve, institute Stating fan assembly includes: blower, and the blower has pilot hole, and the axle sleeve is located in the pilot hole；Locking member, the electricity The motor shaft of machine is adapted to pass through the axle sleeve and is locked by the locking member.

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 a perspective view according to the internal-circulation type range hood of the utility model embodiment；

Fig. 2 is the schematic diagram according to the internal-circulation type range hood of the utility model embodiment in one direction；

Fig. 3 is a sectional view according to the internal-circulation type range hood of the utility model embodiment, wherein band arrow in figure The curve of head represents the flow direction of air；

Fig. 4 is a partial enlarged view of internal-circulation type range hood in Fig. 3；

Fig. 5 is an explosive view according to the internal-circulation type range hood of the utility model embodiment；

Fig. 6 is a partial structure diagram according to the internal-circulation type range hood of the utility model embodiment, wherein The import grid and outlet grid of a kind of embodiment are shown in figure；

Fig. 7 is the cross-sectional view of the line A-A along Fig. 6, wherein multiple arrows circumferentially represent airflow direction, middle part Rotation arrows represent the direction of rotation of blower；

Fig. 8 is the partial enlarged view that Fig. 6 centre circle shows part；

Fig. 9 is a partial structure diagram according to the internal-circulation type range hood of the utility model embodiment, wherein The import grid and outlet grid of another embodiment are shown in figure；

Figure 10 is the cross-sectional view of the line C-C along Fig. 9, wherein multiple arrows direction circumferentially represents airflow direction, The rotation arrows at middle part represent the direction of rotation of blower；

Figure 11 is the partial enlarged view that Fig. 9 centre circle shows part；

Figure 12 be according to a partial structure diagram of the internal-circulation type range hood of the utility model embodiment, In, the import grid and outlet grid of another embodiment are shown in figure；

Figure 13 is the partial enlarged view that Figure 12 centre circle shows part.

Appended drawing reference:

Internal-circulation type range hood 100,

Shell 1, air inlet 11, air outlet 12, conducting element 13, filter assemblies 14, inner passage 141, lower encioser 15, upper cover Shell 16, the cover 17, appearance grid 18, maincenter supporting plate 19, interconnecting piece 191,

Fan assembly 2, blower 21, locking member 22,

Electric machine assembly 3, motor 31, motor shaft 311, electric machine support 32, mounting portion 321,

Import grid 4, ontology 41, frame trough 42, axle sleeve 5, messenger wire 6, hanging plate 7 export grid 8.

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, it is intended to 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 " center ", " transverse direction ", " length ", " width ", " thickness The side of the instructions such as degree ", "upper", "lower", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description the utility model and simplification is retouched It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, Therefore it should not be understood as limiting the present invention.In addition, defining " first ", the feature of " second " can be expressed or hidden It include one or more of the features containing ground.In the description of the present invention, 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.

In the related technology, smoke exhaust ventilator type is more on current market, but range of smoking all concentrates on kitchen range upper area, There is no corresponding electric appliances to be capable of handling for the oil smoke or steam occurred above dining table in user's dining or when chafing dish, The smell that some additional scenes generate, for example, chess and card room secondhand smoke above desk also without corresponding smoking apparatus into Row air-treatment.The design in these user's scenes due to house discharges oil smoke outdoor more difficult simultaneously.

There are some furred ceiling type air purifiers being specifically used to be placed on above mahjong table, on the market for purifying chess The air in board room.However, the appearance of above-mentioned furred ceiling type air purifier is universal larger cumbersome, and smoking effect and noise are all It is not satisfactory.

For this purpose, the utility model proposes a kind of internal-circulation type range hood 100, internal-circulation type range hood 100 can pacify Mounted in kitchen furred ceiling, it also may be mounted above dining table, the top of the public places of entertainment such as mahjong table can also be mounted on.Circulation in this Formula kitchen ventilator 100 can be used to purify the oil smoke and foul atmosphere that traditional kitchen ventilator can not purify, on dining table and chess and card Room can significantly improve air quality locating for user.

Internal-circulation type range hood 100 according to the utility model embodiment is described with reference to the accompanying drawing.

As shown in Fig. 1-Figure 13, according to the internal-circulation type range hood 100 of the utility model embodiment, comprising: shell 1, Fan assembly 2 and electric machine assembly 3.

Specifically, being formed with air inlet 11 and air outlet 12 on shell 1, air inlet 11 is connected to air outlet 12, air inlet Mouth 11 is configured to surround the annular of the central axis of internal-circulation type range hood 100.For example, internal-circulation type range hood 100 With central axis, air inlet 11 can be configured to the annular around the central axis, in this way, being conducive to expand air inlet 11 area increases cage cigarette area, so as to accelerate the circulation rate of air.

For example, air inlet 11 can be one, one air inlet 11 is configured to the ring around the central axis Shape.Or air inlet 11 may include multiple hole portions, the multiple hole portion can be along the circumferentially spaced arrangement cyclization of shell 1 Shape；Or the multiple hole portion can also be along the helical, arc of circumferentially spaced arrangement etc. of shell 1.Wherein, each hole portion It can be circular hole, elliptical aperture, oblong hole, polygonal hole or irregularly-shaped hole etc..

Outlet grid 8 can be equipped at air outlet 12.Through by outlet air after being rectified to air by outlet grid 8 Mouth 12 is discharged, to be conducive to reduce gas-flow resistance, reduces noise.

In addition, can not only be filtered the air by setting outlet grid 8, water conservancy diversion, also helps and guarantee outlet air Uniformity.

Fan assembly 2 is located in shell 1；Electric machine assembly 3 is connected with the transmission of fan assembly 2, to drive air by air inlet 11 enter in shell 1, and are discharged outside shell 1 from air outlet 12.For example, electric machine assembly 3 is connected with the transmission of fan assembly 2, motor Component 3 is for driving the rotation of fan assembly 2 to form negative pressure exhausting.As a result, when electric machine assembly 3 drives fan assembly 2 to rotate, Negative pressure can be formed in shell 1, so that external air is easy to enter in shell 1 via air inlet 11, and again from outlet air Mouth 12 is discharged outside shells 1, so recycles, achievees the effect that air cleaning.

Wherein, electric machine assembly 3 and fan assembly 2 can be for example, by key connection, gear drive, V belt translation, chain conveyers etc. In any mode be connected.

According to the internal-circulation type range hood 100 of the utility model embodiment, when electric machine assembly 3 drives fan assembly 2 to revolve When turning, negative pressure can be formed in shell 1 so that external air is easy to enter in shell 1 via air inlet 11, and again from Air outlet 12 is discharged outside shell 1, so recycles, achievees the purpose that air cleaning.In addition, being exported by being arranged at air outlet 12 Grid 8 reduces noise convenient for by the air conducting in shell 1 to air outlet 12, being conducive to reduce air drag.

Referring to Fig. 2 and Fig. 3, some embodiments according to the present utility model, outlet grid 8 is located at the top of shell 1, outlet Grid 8 is configured to surround the annular of the central axis of internal-circulation type range hood 100.It is arranged as a result, by the way that grid 8 will be exported It for annular, is advantageously implemented circumferential outlet air and gas-flow resistance can be reduced, reduce noise.

Import grid 4 can be equipped at air inlet 11, at least part of import grid 4 can be arc-shaped.Pass through as a result, Import grid 4 can be filtered the air entered in shell 1 by air inlet 11, by dust, the soft flocks etc. in outside air It is blocked in outside shell 1, is conducive to improve air quality, extends the service life of internal-circulation type range hood 100.

Wherein, by making at least part of import grid 4 is arc-shaped can play certain guide functions, being convenient for will be outer It is guided in shell 1 to the smooth air in portion, to be conducive to circulating for air.

Specifically, the section of import grid 4 can be to be arc-shaped, and circular arc is longer compared to straight line side length, as a result, by make into At least part of mouth grid 4 is arc-shaped, and import grid 4 can be made to have bigger surface area to carry out primary filtration to oil smoke.

The oil smoke generated during being cooked by import grid 4 and 8 energy primary filtration of outlet grid, and rectification can be played and made With reduction noise.It is not provided with outlet grid 8 at air outlet 12, the oil smoke in internal-circulation type range hood 100 can be made rapid It is discharged in common flue, improves air quality.

Further, it can be configured to revolving body referring to Fig. 2, import grid 4 and outlet grid 8, import grid 4 can To be arranged around air inlet 11, outlet grid 8 can be arranged around air outlet 12, and on direction from top to bottom, import lattice The diameter of the cross section of grid 4 is gradually reduced, and on direction from top to bottom, the diameter for exporting the cross section of grid 8 is gradually increased. Outside air can enter in shell 1 from circumferential direction via the different location of import grid 4 and outlet grid 8 as a result, be conducive to Increase intake while crossing air filtering, and the flowing of air can be accelerated to a certain extent.

For example, import grid 4 can be in shape that is inwardly projecting and extending out, import grid 4 on direction from the bottom to top It may include the multiple camber being successively smoothly connected.

Specifically, import grid 4 is narrow wide arc-shaped under being, guidance air-flow up flows, and plays diversion effect, air inlet is more It is smooth.Arc-shaped import grid 4 is located at 100 middle layer position of internal-circulation type range hood, and internal-circulation type range hood 100 possesses Bigger surface area carries out primary filtration.And negative pressuren zone is diffused into surrounding, cigarette effect is held together in enhancing.

Exporting grid 8 can be tapered, and the radial dimension for exporting 8 top of grid is less than the radial dimension of its underpart. Water conservancy diversion not only can be carried out to air by outlet grid 8 as a result, reduce wind resistance out, there are also be in guarantee the uniform of outlet air Property.

Further, import grid 4 and outlet grid 8 all can be integrally formed moulding, be convenient for 4 He of import grid The manufacture of grid 8 is exported, and advantageously reduces cost.

Referring to Fig.1 3, import grid 4 and outlet grid 8 include: ontology 41 and frame trough 42, and ontology 41 is constructed cyclization At least part of shape, ontology 41 is arc-shaped, by make at least part of ontology 41 it is arc-shaped advantageously reduce gas-flow resistance, Reduce noise.Frame trough 42 is configured to through-thickness through ontology 41.Thus, it is possible to right better by import grid 4 Air carries out water conservancy diversion.

Import grid 4 and outlet grid 8 may be implemented surrounding intake and exhaust, the shape of frame trough 42 can according to air quantity, make an uproar Sound even appearance requirement carries out adaptive change.

For example, frame trough 42 can be configured to strip (such as vertical bar shaped, oblique strip shaped etc.), certainly, frame trough 42 It can be configured to special-shaped (such as rectangular-ambulatory-plane, S-shaped etc.).

Frame trough 42 on import grid 4 and outlet grid 8 can be formed as multilayer, and the Multilayer grid 42 can be along interior The axially spaced arrangement of circulation range hood 100.

Wherein, import grid 4 and outlet grid 8 can be carried out according to the appearance and performance of internal-circulation type range hood 100 Change.

In some embodiments of the utility model, referring to Fig. 8, grid 8 is exported in internal-circulation type range hood 100 Mandrel line is circumferentially arranged in the top of shell 1, and import grid 4 is located at the intermediate position of internal-circulation type range hood 100 and in It is trapezoidal, it could be formed with the frame trough 42 of the double-deck strip at import grid 4, and the frame trough 42 of the double-deck strip can edge Axial (such as axial direction of internal-circulation type range hood 100) is distributed on import grid 4.Position where the frame trough 42 of strip Set the Normal plane perpendicular to import grid 4).When internal-circulation type range hood 100 fan assembly 2 start after, air along 42 surface of frame trough of strip, perpendicular to import grid 4 Normal plane vertically into shell 1 inside.Utilize identical knot Outlet grid 8 of the structure for 100 top of internal-circulation type range hood, air-flow is through import grid 4 (or outlet grid 8) in fig. 8 The normal orientation of locating plane is discharged.

In some embodiments of the utility model, referring to Fig.1 1, in order to promote import grid 4 and export the whole of grid 8 Flow effect, reduce resistance when air-flow flows through import grid 4 and exports grid 8, the direction of frame trough 42 is changed, make air-flow with Vertical direction forms certain angle and tangentially passes through frame trough 42.α is tilted strip frame trough 42 at a certain angle in Figure 11, air Enter in shell 1 along 4 tangential direction of import grid, keeps air-flow more smooth.The outlet grid 8 being arranged using same principle, The frame trough 42 of strip and the vertical direction of lower encioser 15 form certain angle, and airflow direction and outlet grid 8 is made to form one Determine angle.Oblique grid can preferably promote rectified action.

In some embodiments of the utility model, referring to Fig.1 3, in order to cooperate 11 size and shape of air inlet of product, Reach specified performance indicator while making 100 good appearance of internal-circulation type range hood, it can be using the frame trough 42 of abnormity.With For Figure 13, in order to cooperate shape wide at the top and narrow at the bottom at 100 air inlet 11 of internal-circulation type range hood, import grid 4 is adjusted For upper layer, big lower layer is small, is conducive to that top incoming air area is bigger, is conducive to the operation of fan assembly 2.

Further, referring to Fig.1, some embodiments according to the present utility model, shell 1 include: lower encioser 15 and on Housing 16, upper encloser 16 are located at the top of lower encioser 15, form air outlet 12 on upper encloser 16.Air outlet 12 is configured to surround The annular of the central axis of internal-circulation type range hood 100, outlet grid 8 are arranged around air outlet 12.Pass through outlet lattice as a result, Grid 8 can reduce gas-flow resistance, play preferably guide functions.

In some embodiments, air inlet 11 can be formed in the side-walls of shell 1.As a result, internal-circulation type oil suction Side air inlet may be implemented in smoke machine 100, convenient for accelerating the flowing of air.

The utility model is without being limited thereto, and in some embodiments, air inlet 11 can be configured to surround internal-circulation type suction The annular of the central axis of kitchen ventilator 100, and air inlet 11 can be formed in the side-walls of shell 1.Thus, it is possible to expand negative Pressure surface product, and internal-circulation type range hood 100 is made to can be realized side air inlet, convenient for accelerating the flowing of air.

In some embodiments, air inlet 11 can be formed on lower encioser 15, for example, air inlet 11 can be formed in down In the bottom wall and side wall of housing 15 at least one at, that is to say, that air inlet 11 can be formed in the bottom wall of lower encioser 15；? Air inlet 11 can be formed in the side wall of shell 1；Air inlet 11 can also be each formed in the bottom wall and side wall of shell 1.

Air outlet 12 can be formed on upper encloser 16.For example, in the side wall and roof of upper encloser 16 at least one at shape At there is air outlet 12, that is to say, that the side wall that can be in upper encloser 16 is formed with air outlet 12；It is also possible in upper encloser 16 Roof be formed with air outlet 12；It can also be and be each formed with air outlet 12 in the side wall and roof of upper encloser 16.

As a result, by the position of rationally setting air inlet 11 and air outlet 12, different degrees of air cleaning may be implemented, Convenient for internal-circulation type range hood 100 to be fabricated to different specifications, the selection of consumer is expanded.

Referring to Fig. 3 and Fig. 5, the upper end of import grid 4 is connected with upper encloser 16, and the lower end of import grid 4 and lower cover Shell 15 is connected.The air entered in shell 1 by air inlet 11 can be filtered by import grid 4 as a result, it will be external empty Dust, soft flocks in gas etc. are blocked in outside shell 1, are conducive to improve air quality, are extended making for internal-circulation type range hood 100 Use the service life.

Import grid 4 is arranged between upper encloser 16 and lower encioser 15, and the circumferential setting of the frame trough 42 on import grid 4 exists Surrounding makes negative pressuren zone diffuse to 100 surrounding of internal-circulation type range hood.

The oil smoke of 100 lower section of internal-circulation type range hood rises to behind 100 lower section of internal-circulation type range hood along lower cover 15 smooth surface of shell enters in the negative pressure region of 100 surrounding of internal-circulation type range hood, and air or oil smoke is made to be easier to enter In internal-circulation type range hood 100.

Since fan assembly 2 is arranged in upper encloser 16, air-flow is under after the import grid 4 of narrow wide reverse trapezoid shape It up flows into fan assembly 2, since import grid 4 is in inverted trapezoidal, upper space is bigger than lower layer space, makes import grid 4 possess diversion effect, keep air inlet more smooth.

It is equipped with outlet grid 8 at air outlet 12, certain guide functions can be played by exporting grid 8, so as to Gas-flow resistance is reduced, air purification efficiency is improved.

Some embodiments according to the present utility model are equipped with filter assemblies 14, filtering group in shell 1 referring to Fig. 3 and Fig. 5 Part 14 is configured to annular, to enter the air in shell 1 by air inlet 11 by the filtering of filter assemblies 14.As a result, by It is equipped with filter assemblies 14 in shell 1, the air entered in shell 1 by air inlet 11 can be filtered, so as to purify Air improves air quality.

For example, filter assemblies 14 are removably connected with shell 1, convenient for the installation and removal of filter assemblies 14, it is easy to more It changes.Filter assemblies 14 can be configured to surround annular (annulus or the polygon of the central axis of internal-circulation type range hood 100 Ring etc.), the air entered in shell 1 can be filtered in the circumferential in this way, be conducive to the purification efficiency for improving air.

The inside of filter assemblies 14 can define inner passage 141, and conducting element 13 can be located in inner passage 141. The air entered in shell 1 by air inlet 11 as a result, can enter after filter assemblies 14 carry out the filtering of PM2.5 and formaldehyde In inner passage 141, air outlet 12 is guided to via conducting element 13 and is then exhausted from outside shell 1.

Filter assemblies 14 may include HEPA (High efficiency particulate air Filter, Chinese meaning Think to be high efficiency particle air filter) and activated charcoal strainer.Allow filter assemblies 14 with formaldehyde is removed, goes particulate in air Function.Oil smoke is suitable for being entered in shell 1 by air inlet 11, is discharged again by air outlet 12 after filtering via filter assemblies 14.It is logical Multi-filtering can be carried out to air by crossing filter assemblies 14, be conducive to improve air quality.

Some embodiments according to the present utility model can be equipped with conducting element 13, water conservancy diversion referring to Fig. 3 and Fig. 5 in shell 1 At least part of part 13 is in arc protruding upward, to carry out water conservancy diversion, water conservancy diversion to the air entered in shell 1 by air inlet 11 Part 13 can be located at the inside of filter assemblies 14.It, can be to by air inlet 11 as a result, by being equipped with conducting element 13 in shell 1 After carrying out water conservancy diversion into the air in shell 1, further drained into outside shell 1 by air outlet 12.By being located at conducting element 13 The inside of filter assemblies 14 can carry out water conservancy diversion to filtered air, also help the knot for making internal-circulation type range hood 100 Structure is more compact, saves occupied space.

Wherein, by setting arc protruding upward at least part of conducting element 13 so that by air inlet 11 into Entering the air in shell 1 can flow along the outside wall surface of the arc of conducting element 13, can guide in this way to air, favorably In the flowing for accelerating air.

In addition, conducting element 13 can also play the role of certain rectification (avoiding being vortexed).

In some embodiments, the top of conducting element 13 can be formed as continuous smooth surface such as wavy surface etc..

Optionally, referring to Fig. 5, shell 1 is interior to be equipped with maincenter supporting plate 19, and maincenter supporting plate 19 is located at the top of import grid 4 Portion.Thus, it is possible to install other building blocks (such as conducting element 13 etc.) between maincenter supporting plate 19 and import grid 4, have Conducive to the volume for reducing internal-circulation type range hood 100, reduce occupied space.

Lower encioser 15 is detachably connected with maincenter supporting plate 19, for example, lower encioser 15 can pass through with maincenter supporting plate 19 Screw connects or snaps connection etc. modes and is connected, thus, it is easy to accomplish assembly between lower encioser 15 and maincenter supporting plate 19 and Disassembly.

Further, in conjunction with Fig. 3 and Fig. 5, the inside of maincenter supporting plate 19 is equipped with the interconnecting piece 191 extended downwardly, water conservancy diversion Part 13 is connected with maincenter supporting plate 19 by interconnecting piece 191.For example, the inside of maincenter supporting plate 19 can be equipped with interconnecting piece 191, Interconnecting piece 191 can extend downwardly, and be easily achieved between conducting element 13 and maincenter supporting plate 19 by interconnecting piece 191 as a result, It is reliably connected.

Here, interconnecting piece 191 includes any structure that can play connection function, and the specific of interconnecting piece 191 is arranged with energy It is enough effectively to realize that being reliably connected between conducting element 13 and maincenter supporting plate 19 is advisable.For example, interconnecting piece 191 can be for example to connect Connect rib etc., interconnecting piece 191 can weld with maincenter supporting plate 19, Nian Jie or integrated molding, but the utility model is without being limited thereto.

Further, as shown in figure 3, on direction from top to bottom, interconnecting piece 191 is configured to inwardly downward Extend, interconnecting piece 191 includes the multiple of circumferentially spaced arrangement.For example, in the up-down direction, interconnecting piece 191 can be downward Slope inwardly and extend, in this way, being conducive to reduce the height of internal-circulation type range hood 100 in the up-down direction, to be conducive to The volume of internal-circulation type range hood 100 is reduced, occupied space is reduced.

Certainly, the utility model is without being limited thereto.In some embodiments, in the up-down direction, interconnecting piece 191 can also be by It is configured to downwardly and outwardly tilt extension, the height of internal-circulation type range hood 100 in the up-down direction can also be reduced in this way, and The volume of internal-circulation type range hood 100 is reduced, occupied space is reduced.

And interconnecting piece 191 may include multiple, the center of the circular internal-circulation type range hood 100 of multiple interconnecting pieces 191 Axis is arranged spaced apart.It is safe between conducting element 13 and maincenter supporting plate 19 to be easily achieved as a result, by multiple interconnecting pieces 191 Connection.

Some embodiments according to the present utility model, the full-size of shell 1 transversely be greater than shell 1 along the vertical direction on Height.As a result, the compact-sized of internal-circulation type range hood 100, height are relatively low, and tailored appearance.

For example, if shell 1 in the horizontal plane be projected as circle, the full-size of shell 1 transversely refers to shell 1 Maximum gauge；If shell 1 in the horizontal plane be projected as rectangle, the full-size of shell 1 transversely refers to shell 1 Length.The shape of shell 1 is different, and the full-size of shell 1 transversely also can accordingly change, this is to those skilled in the art For will be understood by.

Some embodiments according to the present utility model, shell 1 in the horizontal plane be projected as circle.Wherein, shell 1 can be with It is configured to taper, cylindricality, hemispherical or spherical shape etc..So that the compact-sized and good appearance of internal-circulation type range hood 100.

Optionally, referring to Figure 1 and Figure 3, the bottom of shell 1 is equipped with the cover 17 and appearance grid 18, the cover 17 and lower encioser 15 are connected by appearance grid 18.The component in shell 1 can be protected, be conducive to by the cover 17 and appearance grid 18 Extend the service life of internal-circulation type range hood 100.

Wherein, the bottom of the cover 17 can be downwardly projecting, and the cover 17 opposite in the up-down direction can be set with conducting element 13 It sets, accommodation space can be defined between the top of the cover 17 and the bottom of conducting element 13 in this way, convenient for empty in the receiving Interior installation light fixture and/or projecting subassembly etc..

It by air quality Real-time Feedback and can be projected to boiler face, table top or desktop etc. by projecting subassembly, specifically, A round hole is opened for carrying out projection operating condition and air quality toward desktop to the projecting subassembly in the centre of the cover 17；Pass through Light fixture can provide illumination functions, enrich the function of internal-circulation type range hood 100 as a result,.

Appearance grid 18 can cool down air, and also make the good appearance of internal-circulation type range hood 100. For example, could be formed with multiple heat dissipation convex ribs on appearance grid 18, the top of appearance grid 18 can be closed, and pass through multiple heat dissipations Convex ribs can cool down oil smoke, and oil smoke after cooling can further be collected by lubricating cup.

Specifically, referring to Fig. 3-Fig. 5, electric machine assembly 3 includes: motor 31 and electric machine support 32, and electric machine support 32 is located at On motor 31, motor 31 is connected with upper encloser 16 by electric machine support 32.In this way, motor 31 may be implemented by electric machine support 32 Being reliably connected between upper encloser 16.

Further, resilient cushion (not shown) is additionally provided between electric machine support 32 and motor 31, the resilient cushion can Think such as rubber pad, by the way that the resilient cushion is arranged, can reduce the vibration of motor 31 during the work time, be conducive to drop Low noise.

Electric machine support 32 is detachably connected with upper encloser 16.For example, can pass through between electric machine support 32 and upper encloser 16 Screw connects or snaps connection etc. modes and is connected, in this way, being easy to implement the assembly between electric machine support 32 and upper encloser 16.

Optionally, referring to Fig. 4, fan assembly 2 is connected with electric machine assembly 3 by axle sleeve 5.Further, fan assembly 2 wraps Include: blower 21 and locking member 22, blower 21 have pilot hole, and axle sleeve 5 is located in the pilot hole；The motor shaft of motor 31 is suitable It is locked in across axle sleeve 5 and by locking member 22 (such as locknut etc.).Thus, it is easy to accomplish between fan assembly 2 and electric machine assembly 3 Be reliably connected.

Wherein, axle sleeve 5 is embedded in the pilot hole, and the motor shaft 311 of motor 31 can pass through the inside of axle sleeve 5, and And the bottom of motor shaft 311 is equipped with the auxiliary section locked by locking member 22.

Referring to Fig.1, internal-circulation type range hood 100 can also include messenger wire 6 and hanging plate 7, and one end of messenger wire 6 is (under such as End) it is connected with shell 1, the other end (such as upper end) of messenger wire 6 is connected with hanging plate 7, is easy to implement internal-circulation type fume-exhausting as a result, The ceiling mounting type of machine 100 is installed.

Messenger wire 6 may include one；Or messenger wire 6 includes more, the more messenger wires 6 lead in circumferentially spaced setting Cross suspension and support that messenger wire 6 is easily achieved internal-circulation type range hood 100.

Referring to Fig. 4 and Fig. 5, mounting portion 321 can be equipped on electric machine support 32, messenger wire 6 can pass through mounting portion 321 and electricity Machine support 32 is connected.

According to the internal-circulation type range hood 100 of the utility model embodiment, kitchen furred ceiling, dining table top may be mounted at Or above chess and card room, with illumination, fume-exhausting purifies particulate in air and goes the function of formaldehyde.Due to having simultaneously Pendent lamp and the function of smoking, can save the interior space, can be quickly net when being mounted on above dining table top or chess and card room Change the oil smoke that chafing dish comes out and the secondhand smoke that steam either smoking user exhalation comes, user's life health quality can be improved.

Whole machine design is relatively thin simultaneously, compares with Aesthetic Function, while the grid of unique design is (such as above-mentioned outer See grid 18) effect can also increase identification and aesthetic effect.Internal-circulation type range hood 100 takes the forward direction being relatively large in diameter Multiple wing type centrifugal wind wheel can achieve biggish air quantity under lower revolving speed, and noise can be made lower, promote user experience.

According to other compositions of the internal-circulation type range hood 100 of the utility model embodiment and operate for this field All be for those of ordinary skill it is known, be not detailed herein.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example It is contained at least one embodiment or example of the utility model.In the present specification, schematic expression of the above terms Necessarily it is directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.In addition, without conflicting with each other, this field Technical staff can carry out the feature of different embodiments or examples described in this specification and different embodiments or examples Combination and combination.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (10)

1. an internal circulation type range hood, is characterized in that, comprises: a casing, an air inlet and an air outlet are formed on the casing, the air inlet is communicated with the air outlet, and an outlet grille is arranged at the air outlet; a fan assembly, the fan assembly is arranged in the casing; A motor assembly, the motor assembly is connected with the fan assembly in a drive, so as to drive air to enter the casing through the air inlet, and discharge the air from the air outlet to the outside of the casing. 2 . The internal circulation type range hood according to claim 1 , wherein the outlet grille is provided on the top of the housing, and the outlet grille is configured to surround the internal circulation type range hood. 3 . The annular shape of the central axis of the machine. 3. The internal circulation type range hood according to claim 1 or 2, wherein the housing comprises: lower casing; an upper casing, the upper casing is located above the lower casing, the air outlet is formed on the upper casing, and the air outlet is configured to surround the central axis of the internal circulation type range hood The outlet grille is arranged around the air outlet. 4. The internal circulation type range hood according to claim 3, wherein an inlet grille is provided at the air inlet, and both the inlet grille and the outlet grille comprise: a body, the body is configured in a ring shape; a grating groove, the grating groove is configured to penetrate the body in a thickness direction. 5 . The internal circulation type range hood according to claim 4 , wherein the inlet grille and the outlet grille are both integrally formed injection-molded parts, and at least a part of the body is arc-shaped. 6 . 6 . The internal circulation type range hood according to claim 4 , wherein the grille groove is configured as a long strip. 7 . 7 . The internal circulation type range hood according to claim 4 , wherein the inlet grille and the outlet grille are both configured as revolving bodies, and the inlet and outlet are in a top-to-bottom direction. 8 . The diameter of the cross-section of the grill gradually decreases, and the diameter of the cross-section of the outlet grill gradually increases in the direction from top to bottom. 8 . The internal circulation type range hood according to claim 1 , wherein a filter assembly is further provided in the housing, and the filter assembly is configured in a ring shape, so as to filter the air from the inlet through the filter assembly. 9 . The tuyere enters the air in the housing. 9 . The internal circulation type range hood according to claim 8 , wherein a flow guide is provided in the casing, and at least a part of the flow guide is in an upwardly protruding arc shape, so as to align the The air entering into the housing is guided by the air inlet, and the air guide is located inside the filter assembly. 10. The internal circulation type range hood according to claim 3, wherein the motor assembly comprises: motor; a motor bracket, the motor bracket is arranged on the motor, and the motor is connected with the upper casing through the motor bracket; A shock-absorbing pad is also arranged between the motor bracket and the motor, and the motor bracket is detachably connected to the upper casing; The fan assembly is connected with the motor assembly through a shaft sleeve, and the fan assembly includes: a fan, the fan has an assembly hole, and the shaft sleeve is arranged in the assembly hole; A locking member, the motor shaft of the motor is adapted to pass through the shaft sleeve and be locked by the locking member.