CN208587959U - Internal-circulation type range hood - Google Patents

Abstract

The utility model discloses a kind of internal-circulation type range hood, internal-circulation type range hood includes: shell, and air inlet and air outlet are formed on shell, and air inlet is connected to air outlet, and air inlet is equipped with import grid, and at least part of import grid is arc-shaped；Fan assembly, fan assembly are located in shell；Electric machine assembly, electric machine assembly is connected with fan assembly transmission, to drive air to be entered in shell by air inlet, and outside air outlet discharge shell.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 external smooth air to be guided in shell, being conducive to circulating for air by the way that import grid is arranged in air inlet, improving air purification efficiency.

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-inlet grille 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 the air inlet is equipped with import grid, the import grid It is arc-shaped at least partially；Fan assembly, the fan assembly are located in the shell；Electric machine assembly, the electric machine assembly with The fan assembly transmission is connected, and to drive air to be entered in the shell by the air inlet, and is discharged from the air outlet Outside the shell.

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 will be outer by the way that import grid is arranged in air inlet It is guided in shell to the smooth air in portion, is conducive to circulating for air, improve air purification efficiency.

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 interior conducting element that is equipped with of the shell is to enter institute to by the air inlet State the intracorporal air of shell and carry out water conservancy diversion, at least part of the conducting element is in arc protruding upward, the import grid with The conducting element limits the air inlet jointly.

Optionally, the import grid is configured to revolving body, and the import grid is arranged around the air inlet, and The diameter of the cross section of the import grid is gradually reduced on direction from top to bottom.

Further, the moulding that the import grid is integrally formed, the import grid include: arc plate body；Lattice Grid slot, the frame trough are configured to through-thickness through the arc plate body.

Optionally, maincenter supporting plate is equipped in the shell, the maincenter supporting plate is located at the top of the import grid.

Further, the shell includes: lower encioser；Upper encloser, the upper encloser are located at the top of the lower encioser, institute It states and forms the air outlet on upper encloser；Wherein, the upper end of the import grid and the upper encloser pass through the maincenter bracket Plate is connected, and the lower end of the import grid is connected with the lower encioser.

Further, the top of the import grid is equipped with multiple central axises along around the internal-circulation type range hood Line positioning column arranged spaced apart, the positioning column upwardly extend；The maincenter supporting plate is equipped with and the positioning column phase The through-hole matched, when the import grid and the maincenter supporting plate assemble, the positioning column be adapted to pass through the through-hole with it is described Maincenter supporting plate is connected.

Further, it is formed with connecting hole on the positioning column, is formed on the upper encloser same with the connecting hole The location hole of axis setting, fastener is adapted to pass through the connecting hole and the location hole so that the import grid and the upper cover Shell phase connects.

Specifically, the middle part of the maincenter supporting plate be equipped with multiple interconnecting pieces for tilting down extension, the conducting element with The maincenter supporting plate is connected by the interconnecting piece.

Optionally, 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 upper encloser is detachably connected with the electric machine support；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 perspective view of import grid in the internal-circulation type range hood according to the utility model embodiment；

Fig. 3 is a sectional view of Fig. 2；

Fig. 4 is the schematic diagram for the enlarged drawing that Fig. 3 centre circle shows part；

Fig. 5 is a part-structure sectional view according to the internal-circulation type range hood of the utility model embodiment, wherein Circle shows that the arrow at place is directed toward the assembly direction for representing fastener；

Fig. 6 is the partial enlarged view that Fig. 5 centre circle shows part；

Fig. 7 is a part-structure explosive view according to the internal-circulation type range hood of the utility model embodiment；

Fig. 8 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. 9 is a partial enlarged view of Fig. 8；

Figure 10 is the perspective view of electric machine assembly in the internal-circulation type range hood according to the utility model embodiment.

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, location hole 164, the cover 17, appearance grid 18, maincenter supporting plate 19, interconnecting piece 191, through-hole 192,

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, arc plate body 41, frame trough 42, positioning column 43, connecting hole 431, fastener 44, axle sleeve 5, messenger wire 6, hanging plate 7 exports 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 ", " length ", " width ", " thickness ", The orientation of instructions such as "upper", "lower", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " or Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and 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 a particular orientation, be constructed and operated in a specific orientation, because This should not be understood as limiting the present invention.In addition, defining " first ", the feature of " second " can be expressed or imply Ground includes one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two It is a or more than two.

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 10, 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..

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, referring to Fig. 3 and Fig. 4, the section of import grid 4 be it is arc-shaped, circular arc is longer compared to straight line side length, example Such as, the arc length of AB point-to-point transmission is d1 in Fig. 4, and the linear distance of AB point-to-point transmission is d2 in Fig. 4, and straight line is most short between two o'clock, i.e. d1 > d2 can make import grid 4 have bigger surface area to oil as a result, by keeping at least part of import grid 4 arc-shaped Cigarette carries out primary filtration.

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, be circularized by constructing air inlet 11, negative pressure area can be expanded, accelerate air flowing, So that external air is easy to enter in shell 1 via air inlet 11, and it is discharged outside shell 1 from air outlet 12, so follows again Ring 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, by the way that import is arranged at air inlet 11 Grid 4 is conducive to circulating for air convenient for external smooth air to be guided in shell 1, improves air cleaning effect Rate.

Some embodiments according to the present utility model can be equipped with conducting element 13, water conservancy diversion referring to Fig. 5 and Fig. 8 in shell 1 At least part of part 13 is in arc protruding upward, to carry out water conservancy diversion, import to the air entered in shell 1 by air inlet 11 Grid 4 and conducting element 13 limit air inlet 11 jointly.It, can be to by entering the wind as a result, by being equipped with conducting element 13 in shell 1 After mouth 11 enters the air progress water conservancy diversion in shell 1, further drained into outside shell 1 by air outlet 12.

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..

Further, referring to Figures 1 and 2, import grid 4 can be configured to revolving body, import grid 4 can around into Air port 11 is arranged, and on direction from top to bottom, the diameter of the cross section of import grid 4 is gradually reduced.Outside air can be with Enter in shell 1 from circumferential direction via the different location of import grid 4, 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.

Referring to Fig. 8, it is also provided with outlet grid 8 at air outlet 12, air can be carried out by exporting grid 8 Filter also helps the uniformity for guaranteeing outlet air.

Further, the moulding that import grid 4 can be integrally formed convenient for the manufacture of import grid 4, and is conducive to Reduce cost.

Referring to Fig. 2, import grid 4 includes: arc plate body 41 and frame trough 42, and frame trough 42 is configured to through-thickness Through arc plate body 41.Thus, it is possible to carry out water conservancy diversion to air better by import grid 4.

For example, frame trough 42 can be configured to strip, such as vertical bar shaped, oblique strip shaped etc., certainly, frame trough 42 can be with It is configured to abnormity.

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.

Further, in conjunction with Fig. 5, the inside of maincenter supporting plate 19 is equipped with the interconnecting piece 191 extended downwardly, conducting element 13 with Maincenter supporting plate 19 is connected 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 reliably connecting between conducting element 13 and maincenter supporting plate 19 by interconnecting piece 191 as a result, It connects.

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 5, 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.

Further, referring to Fig.1 and Fig. 8, some embodiments according to the present utility model, shell 1 include: lower encioser 15 with And upper encloser 16, upper encloser 16 are located at the top of lower encioser 15, form air outlet 12 on upper encloser 16.The upper end of import grid 4 It is connected with upper encloser 16 by maincenter supporting plate 19, lower encioser 15 is detachably connected with maincenter supporting plate 19, for example, lower encioser 15 The modes such as it can be connected by screw to or snap connection with maincenter supporting plate 19 to be connected, thus, it is easy to accomplish lower encioser 15 is in Assembly or disassembly between pivoted stent plate 19.

The upper end of import grid 4 is connected with upper encloser 16, and the lower end of import grid 4 is connected with lower encioser 15.As a result, The air entered in shell 1 by air inlet 11 can be filtered by import grid 4, by dust, the hair in outside air Bits etc. are blocked in outside shell 1, are conducive to improve air quality, are extended the service life of internal-circulation type range hood 100.

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.

Further, referring to figure 6 and figure 7, the top of import grid 4 is equipped with multiple positioning columns 43, and multiple positioning columns 43 can With arranged spaced apart along the central axis around internal-circulation type range hood 100, positioning column 43 is upwardly extended.Maincenter supporting plate 19 It is equipped with through-hole 192, through-hole 192 matches with positioning column 43, when import grid 4 and maincenter supporting plate 19 assemble, positioning column 43 Through-hole 192 is adapted to pass through to be connected with maincenter supporting plate 19.As a result, by the way that through-hole 192 to be embedded on positioning column 43, it is easy to accomplish Assembly between maincenter supporting plate 19 and import grid 4.

Further, in conjunction with Fig. 6 and Fig. 7, it is formed with connecting hole 431 on positioning column 43, it is fixed to be formed on upper encloser 16 Position hole 164, location hole 164 and connecting hole 431 are coaxially disposed, fastener 44 be adapted to pass through connecting hole 431 and location hole 164 so that Import grid 4 is connected with upper encloser 16.Thus, it is possible to maincenter supporting plate 19 is folded between upper encloser 16 and import grid 4, And it is readily disassembled cleaning.

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.

Some embodiments according to the present utility model are equipped with filter assemblies 14,14 quilt of filter assemblies in shell 1 referring to Fig. 8 Construction circularizes, to enter the air in shell 1 by air inlet 11 by the filtering of filter assemblies 14.As a result, by shell 1 Equipped with filter assemblies 14, the air entered in shell 1 by air inlet 11 can be filtered, so as to purify air, be changed Kind 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, 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 Fig.1 and Fig. 8, 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. 8-Figure 10, 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. 8 and Fig. 9, fan assembly 2 is connected with electric machine assembly 3 by axle sleeve 5.Further, in conjunction with figure 9, fan assembly 2 includes: blower 21 and locking member 22, and blower 21 has pilot hole, and axle sleeve 5 is located in the pilot hole；Electricity The motor shaft of machine 31 is adapted to pass through axle sleeve 5 and is locked by locking member 22 (such as locknut etc.).Thus, it is easy to accomplish fan assembly 2 Being reliably connected between electric machine assembly 3.

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. 9 and Figure 10, mounting portion 321 can be equipped on electric machine support 32, messenger wire 6 can by mounting portion 321 with Electric 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. a kind of internal-circulation type range hood characterized by comprising

Shell is formed with air inlet and air outlet on the shell, and the air inlet is connected to the air outlet, the air inlet Place is equipped with import grid, and at least part of the import grid is arc-shaped；

Fan assembly, the fan assembly are located in the shell；

Electric machine assembly, the electric machine assembly is connected with fan assembly transmission, to drive air to enter institute by the air inlet It states in shell, and is discharged outside the shell from the air outlet.

2. internal-circulation type range hood according to claim 1, which is characterized in that be equipped with conducting element in the shell with right The intracorporal air of the shell is entered by the air inlet and carries out water conservancy diversion, at least part of the conducting element is in arc protruding upward Shape, the import grid and the conducting element limit the air inlet jointly.

3. internal-circulation type range hood according to claim 2, which is characterized in that the import grid is configured to turn round Body, the import grid is arranged around the air inlet, and the cross section of the import grid on direction from top to bottom Diameter is gradually reduced.

4. internal-circulation type range hood according to claim 3, which is characterized in that the import grid was integrally formed Moulding, the import grid include:

Arc plate body；

Frame trough, the frame trough are configured to through-thickness through the arc plate body.

5. internal-circulation type range hood according to claim 3, which is characterized in that be equipped with maincenter bracket in the shell Plate, the maincenter supporting plate are located at the top of the import grid.

6. internal-circulation type range hood according to claim 5, which is characterized in that the shell includes:

Lower encioser；

Upper encloser, the upper encloser are located at the top of the lower encioser, form the air outlet on the upper encloser；

Wherein, the upper end of the import grid is connected with the upper encloser by the maincenter supporting plate, the import grid Lower end is connected with the lower encioser.

7. internal-circulation type range hood according to claim 6, which is characterized in that

The top of the import grid is equipped with multiple arranged spaced apart along the central axis around the internal-circulation type range hood Positioning column, the positioning column upwardly extends；

The maincenter supporting plate is equipped with the through-hole to match with the positioning column, the import grid and the maincenter supporting plate When assembly, the positioning column is adapted to pass through the through-hole and is connected with the maincenter supporting plate.

8. internal-circulation type range hood according to claim 7, which is characterized in that

It is formed with connecting hole on the positioning column, the location hole with connecting hole coaxial arrangement is formed on the upper encloser, Fastener is adapted to pass through the connecting hole and the location hole so that the import grid is connected with the upper encloser.

9. internal-circulation type range hood according to claim 5, which is characterized in that the middle part of the maincenter supporting plate is equipped with Multiple interconnecting pieces for tilting down extension, the conducting element are connected with the maincenter supporting plate by the interconnecting piece.

10. internal-circulation type range hood according to claim 6, which is characterized in that the electric machine assembly includes:

Motor；

Electric machine support, the electric machine support are located on the motor, and the motor and the upper encloser pass through the electric machine support It is connected；

Resilient cushion is additionally provided between the electric machine support and the motor, the upper encloser detachably connects with the electric machine support It connects；

The fan assembly is connected with the electric machine assembly by axle sleeve, and the fan assembly includes:

Blower, the blower have pilot hole, and the axle sleeve is located in the pilot hole；

Locking member, the motor shaft of the motor are adapted to pass through the axle sleeve and are locked by the locking member.