CN208587957U - 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 shell includes upper housing and lower case；Telescoping mechanism is located in shell so that air inlet is convertible between open and closed positions, and in open position, upper housing is spaced apart to open air inlet with lower case, and in closed position, upper housing and lower case are fastened so that air inlet is closed；Fan assembly is located in shell；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 in shell, achieve the purpose that air cleaning.It can control opening or closing for air inlet by telescoping mechanism, so as to prevent external foreign matter such as dust etc. from entering in shell, be conducive to protect internal-circulation type range hood.

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, circulation range hood mostly uses greatly centrifugal blower in current some ceiling-installeds, due to setting for air duct Count that general complete machine height is higher, and appearance is than cumbersome, and revolving speed is higher, and noise is larger, and efficiency is lower.

In addition, interior circulation range hood is either in running order or off working state, air inlet are opened, in this way It is easy to enter external foreign matter in interior circulation range hood by air inlet, not only bad for circulation range hood in keeping Health level also damages the service life of interior circulation range hood.

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 air inlet of a kind of internal-circulation type range hood out, the internal-circulation type range hood can open or close, and be conducive to protect Internal-circulation type range hood extends the service life of internal-circulation type range hood.

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 shell includes upper housing and lower case；Telescoping mechanism, institute It states telescoping mechanism to be located in the shell so that the air inlet is convertible between open and closed positions, be beaten described Upper housing described in open position is spaced apart to open the air inlet with the lower case, the upper housing described in the closed position It is fastened with the lower case so that the air inlet is closed；Fan assembly, the fan assembly are located in the shell；Motor group Part, the electric machine assembly are connected with fan assembly transmission, to drive air to be entered in the shell by the air inlet, and It 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, by telescoping mechanism can control air inlet opening or It closes, so as to prevent external foreign matter such as dust etc. from entering in shell, is conducive to protect internal-circulation type range hood, prolong The service life of long internal-circulation type range hood.

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 telescoping mechanism include: driving motor；Winding section, the driving The output shaft of motor is connected for driving the winding section to rotate with the winding section；One end of rope body, the rope body is wound around On the winding section and the other end is connected with the lower case, to drive the lower case close to institute by the driving motor It states and is converted between the closed position of upper housing and the open position far from the upper housing.

Further, the rope body is configured to elastic component, and the upper housing is snapped connection with the lower case.

Some embodiments according to the present utility model, the shell is interior to be equipped with bracket, and the telescoping mechanism passes through the branch Frame is connected with the shell.

Some embodiments according to the present utility model, the air inlet are equipped with import grid, are equipped at the air outlet Grid is exported, the import grid and the outlet grid are each configured to the central axis around the internal-circulation type range hood The annular of line.

Some embodiments according to the present utility model, are equipped with conducting element in the shell, and at least one of the conducting element Dividing is in arc protruding upward, to enter the intracorporal air progress water conservancy diversion of the shell to by the air inlet.

Further, filter assemblies are equipped in the shell, the filter assemblies are constructed in a ring, to pass through the mistake It filters component filters and the intracorporal air of the shell is entered by the air inlet, the conducting element is located at the inside of the filter assemblies.

Some embodiments according to the present utility model, the shell in the horizontal plane be projected as circle, the shell edge Lateral full-size be greater than the shell along the vertical direction on height.

Some embodiments according to the present utility model, the air outlet are located at the top of the air inlet, the air outlet It is configured to the annular of the central axis around the internal-circulation type range hood.

Some embodiments according to the present utility model, the electric machine assembly include: motor；Electric machine support, the motor branch It is erected on the motor, the motor is connected with the upper housing by the electric machine support；The electric machine support with it is described Resilient cushion is additionally provided between motor, the electric machine support is detachably connected with the upper housing；The fan assembly and the electricity Thermomechanical components are connected by axle sleeve, and the fan assembly includes: blower, and the blower has pilot hole, and the axle sleeve is located at described In 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.

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 schematic diagram according to the internal-circulation type range hood of the utility model embodiment, wherein as shown in the figure Air inlet is in an open position；

Fig. 2 is another schematic diagram according to the internal-circulation type range hood of the utility model embodiment, wherein institute in figure Show that air inlet is in the closed position；

Fig. 3 is a partial structure diagram according to the internal-circulation type range hood of the utility model embodiment, wherein A schematic diagram of telescoping mechanism is shown in figure；

Fig. 4 is a perspective view according to the internal-circulation type range hood of the utility model embodiment；

Fig. 5 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. 6 is a partial enlarged view of internal-circulation type range hood in Fig. 5；

Fig. 7 is an explosive view according to the internal-circulation type range hood of 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 case 15, upper casing Body 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, axle sleeve 5, messenger wire 6, hanging plate 7, outlet grid 8, windward guidance tape 9, leeward guidance tape 10,

Telescoping mechanism 200, driving motor 210, output shaft 211, winding section 220, body 230 of restricting.

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-Fig. 7, according to the internal-circulation type range hood 100 of the utility model embodiment, comprising: shell 1 is stretched Contracting mechanism 200, 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..

Shell includes upper housing 16 and lower case 15, and in some embodiments, air inlet 11 can be formed in lower case 15 On, air outlet 12 can be formed on upper housing 16.

Telescoping mechanism 200 is located in shell 1 so that air inlet 11 is convertible between open and closed positions, in institute State open position, upper housing 16 is spaced apart to open air inlet 11 with lower case 15, in the closed position, upper housing 16 with Lower case 15 fastens so that air inlet 11 is closed.It, can be by flexible when internal-circulation type range hood 100 works normally as a result, Mechanism 200 controls air inlet 11 and opens, convenient for circulating for air；It, can when internal-circulation type range hood 100 is stopped using It is closed with controlling air inlet 11 by telescoping mechanism 200, so as to prevent external foreign matter such as dust etc. from entering shell 1 It is interior, be conducive to protect internal-circulation type range hood 100, extend the service life of internal-circulation type range hood 100.In addition, may be used also To reduce the cleaning amount of user.

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, can control by telescoping mechanism 200 Air inlet 11 opens or closes, and so as to prevent external foreign matter such as dust etc. from entering in shell 1, is conducive in protection Circulation range hood 100 extends the service life of internal-circulation type range hood 100.

Referring to Fig. 3, some embodiments according to the present utility model, telescoping mechanism 200 includes: driving motor 210, winding section 220 and rope body 230.

Specifically, the output shaft 211 of driving motor 210 is connected for driving winding section 220 to rotate with winding section 220.Rope One end of body 230 is wound around on winding section 220, and the other end for body 230 of restricting is connected with lower case 15, can pass through drive in this way Dynamic motor 210 drives lower case 15 to turn between the closed position close to upper housing 16 and the open position far from upper housing 16 It changes.

For example, lower case 15 can be driven close to upper housing 16 by driving motor 210, so that air inlet 11 be made to be in institute State closed position；Lower case 15 can be driven far from upper housing 16 by driving motor 210, so that air inlet 11 be made to be in described Open position.

Further, rope body 230 can be configured to elastic component, and the body 230 that can make to restrict is convenient for certain resiliency It uses, and is conducive to extend the service life of rope body 230.

The utility model is without being limited thereto, in some embodiments, telescoping mechanism 200 or other structure type examples Such as hydraulic cylinder can drive air inlet 11 to convert between open and closed positions by the hydraulic cylinder.

Optionally, upper housing 16 can be snapped connection with lower case 15.It is easy to implement between upper housing 16 and lower case 15 Assembly.

For example, could be formed with clamping part on upper housing 16, it could be formed in lower case 15 and be adapted to the clamping part Card slot, pass through the cooperation of clamping part and card slot, it is easy to accomplish the assembly between upper housing 16 and lower case 15.In some implementations In example, when upper housing 16 and lower case 15 fasten when keeping air inlet 11 in the closed position, between upper housing 16 and lower case 15 It can also further fix by snap connection means.

Some embodiments according to the present utility model, shell 1 is interior to be equipped with bracket (not shown), and telescoping mechanism 200 can lead to The bracket is crossed to be connected with shell 1.Installation of the telescoping mechanism 200 on shell 1 is easily achieved by the bracket as a result,.

Here, bracket can be fixed or the structure of support telescopic mechanism 200 to be any, and the utility model is to bracket Specific structure is not construed as limiting, and can according to need adaptability setting in practical application.

Referring to Fig. 4 and Fig. 5, some embodiments according to the present utility model can be equipped with import grid 4 at air inlet 11, At least part of import grid 4 can be arc-shaped.It can be entered in shell 1 to by air inlet 11 by import grid 4 as a result, Air be filtered, dust, the soft flocks etc. in outside air are blocked in outside shell 1, be conducive to improve air quality, extend 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.

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.

Referring to Fig. 2 and Fig. 5, some embodiments according to the present utility model, outlet grid 8 is located at the top of shell 1, import Grid 4 and outlet grid 8 can be configured to surround the annular of the central axis of internal-circulation type range hood 100.Have as a result, Conducive to realizing circumferential outlet air and gas-flow resistance can be reduced, noise is reduced.

The oil smoke generated during can not only being cooked by import grid 4 and outlet grid 8 with primary filtration, moreover it is possible to play Rectified action reduces noise.In addition, being not provided with outlet grid 8 at air outlet 12, internal-circulation type range hood 100 can be made In oil smoke be quickly discharged into common flue, improve air quality.

Further, it can be configured to revolving body referring to Fig. 2, Fig. 4 and Fig. 5, import grid 4 and outlet grid 8, Import grid 4 can be arranged around air inlet 11, and outlet grid 8 can be arranged around air outlet 12, and in side from top to bottom Upwards, the diameter of the cross section of import grid 4 is gradually reduced, and on direction from top to bottom, exports the straight of the cross section of grid 8 Diameter is gradually increased.Outside air can enter shell via the different location of import grid 4 and outlet grid 8 from circumferential direction as a result, In body 1, 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.

Further, referring to Fig.1, some embodiments according to the present utility model, upper housing 16 are located at the upper of lower case 15 It is square, air outlet 12 is formed on upper housing 16.Air outlet 12 is configured to surround the central axis of internal-circulation type range hood 100 Annular, outlet grid 8 are arranged around air outlet 12.It can reduce gas-flow resistance by exporting grid 8 as a result, play preferably Guide functions.

Referring to Fig. 5, the upper end of import grid 4 is connected with upper housing 16, and the lower end of import grid 4 and 15 phase of lower case Even.Import grid 4 is arranged between upper housing 16 and lower case 15 as a result, is conducive to that negative pressuren zone is made to diffuse to internal-circulation type suction 100 surrounding of kitchen ventilator.

In addition, the air entered in shell 1 by air inlet 11 can be filtered by import grid 4, 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.

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 casing 15 smooth surface of body 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 housing 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 can be equipped with conducting element 13, water conservancy diversion referring to Fig. 5 and Fig. 7 in shell 1 At least part of part 13 is in arc protruding upward, to carry out water conservancy diversion to the air entered in shell 1 by air inlet 11.By This, by shell 1 be equipped with conducting element 13, can to by air inlet 11 enter shell 1 in air carry out water conservancy diversion after, then into One step is drained into outside shell 1 by air outlet 12.

Wherein, conducting element 13 can neighbouring air inlet 11 be arranged, by by least part of conducting element 13 be set as to The arc protruded above, allow by air inlet 11 enter shell 1 in air along conducting element 13 arc outer wall surface current It is dynamic, air can be guided in this way, be conducive to 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..

Some embodiments according to the present utility model are equipped with filter assemblies 14, filtering group in shell 1 referring to Fig. 5 and Fig. 7 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, 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.

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 in lower case 15, for example, air inlet 11 can be formed in down In the bottom wall and side wall of shell 15 at least one at, that is to say, that air inlet 11 can be formed in the bottom wall of lower case 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 housing 16.For example, in the side wall and roof of upper housing 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 housing 16 is formed with air outlet 12；It is also possible in upper housing 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 housing 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 windward guidance tape 9 and leeward guidance tape 10 in shell 1 referring to Fig. 5, Windward guidance tape 9 is spaced apart setting with leeward guidance tape 10 in the up-down direction, between windward guidance tape 9, shell 1 and leeward guidance tape 10 Air outlet 12 can be limited.It could be formed with arcwall face, the arc at least one of windward guidance tape 9 and leeward guidance tape 10 Shape is protruded downwards, can be guided the air entered in shell 1 by air inlet 11 to air outlet 12 by the arcwall face, and It is discharged outside shell 1 from air outlet 12.As a result, by windward guidance tape 9 and leeward guidance tape 10 can to the air entered in shell 1 into Row water conservancy diversion advantageously ensures that the uniformity of outlet air.

Further, the arcwall face can be formed in windward guidance tape 9 adjacent to one end of air outlet 12.For example, in Fig. 5 In, at least part of windward guidance tape 9 can be downwardly protrude to form the arcwall face, and the arcwall face can neighbouring air outlet 12 Setting can carry out water conservancy diversion to the air entered in shell 1 by the arcwall face, so that outlet air is more smooth, and be conducive to Reduce vortex.

Some embodiments according to the present utility model, on direction from the bottom to top, leeward guidance tape 10 can be in cross section Diameter be gradually increased.Thus, it is possible to certain air quantity be stored at air outlet 12, to play buffer gas flow, reduce noise Purpose.

Optionally, referring to Fig. 7, 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 case 15 is detachably connected with maincenter supporting plate 19, for example, lower case 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 case 15 and maincenter supporting plate 19 and Disassembly.

Further, in conjunction with Fig. 5 and Fig. 7, 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 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.

Optionally, referring to Fig. 4 and Fig. 5, the bottom of shell 1 is equipped with the cover 17 and appearance grid 18, the cover 17 and lower case 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. 5-Fig. 7, 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 housing 16 by electric machine support 32.In this way, motor 31 may be implemented by electric machine support 32 Being reliably connected between upper housing 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 housing 16.For example, can pass through between electric machine support 32 and upper housing 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 housing 16.

Optionally, referring to Fig. 6, 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. 4, 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 figure 6 and figure 7, 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. 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 shell packet Include upper housing and lower case；

Telescoping mechanism, the telescoping mechanism be located in the shell so that the air inlet between open and closed positions Convertible, the upper housing described in the open position is spaced apart to open the air inlet, in the pass with the lower case Upper housing described in closed position and the lower case fasten so that the air inlet is closed；

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 the telescoping mechanism includes:

Driving motor；

Winding section, the output shaft of the driving motor are connected for driving the winding section to rotate with the winding section；

One end of rope body, the rope body is wound around on the winding section and the other end is connected with the lower case, by described Driving motor drive the lower case close to the upper housing closed position and far from the upper housing open position it Between convert.

3. internal-circulation type range hood according to claim 2, which is characterized in that the rope body is configured to elastic component, The upper housing is snapped connection with the lower case.

4. internal-circulation type range hood according to claim 1, which is characterized in that bracket is equipped in the shell, it is described Telescoping mechanism is connected by the bracket with the shell.

5. internal-circulation type range hood according to claim 1, which is characterized in that the air inlet is equipped with import lattice Grid, are equipped with outlet grid at the air outlet, and the import grid and the outlet grid are each configured to interior follow around described The annular of the central axis of ring-type extractor hood.

6. internal-circulation type range hood according to claim 1, which is characterized in that be equipped with conducting element, institute in the shell At least part of conducting element is stated in arc protruding upward, to enter the intracorporal air progress of the shell to by the air inlet Water conservancy diversion.

7. internal-circulation type range hood according to claim 6, which is characterized in that filter assemblies are equipped in the shell, The filter assemblies are constructed in a ring, to enter the intracorporal sky of the shell by the air inlet by filter assemblies filtering Gas, the conducting element are located at the inside of the filter assemblies.

8. internal-circulation type range hood according to claim 1, which is characterized in that the projection of the shell in the horizontal plane For circle, the full-size of the shell transversely be greater than the shell along the vertical direction on height.

9. internal-circulation type range hood according to claim 1, which is characterized in that the air outlet is located at the air inlet Top, the air outlet be configured to around the internal-circulation type range hood central axis annular.

10. internal-circulation type range hood according to claim 1 to 9, which is characterized in that the electric machine assembly Include:

Motor；

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

Resilient cushion is additionally provided between the electric machine support and the motor, the electric machine support detachably connects with the upper housing 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.