CN208587955U - 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；Fan assembly is located in shell；Electric machine assembly is connected for driving fan assembly to rotate with fan assembly transmission to form negative pressure exhausting；Flow-guiding structure is equipped at air outlet, flow-guiding structure includes downwardly projecting arcwall face, and the intracorporal air of shell will be entered by air inlet and is guided to air outlet, and outside air outlet discharge shell.Internal-circulation type range hood according to the present utility model, 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 again outside air outlet discharge shell, so circulation achievees the purpose that air cleaning.By the way that flow-guiding structure is arranged, air can further be discharged outside shell under the guide functions of flow-guiding structure, so that outlet air is more smooth, and be conducive to reduce vortex.

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.

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；Fan assembly, the fan assembly are located in the shell；Electricity Thermomechanical components, the electric machine assembly are connected for driving the fan assembly to rotate to form negative pressure pumping with fan assembly transmission Wind；Wherein, flow-guiding structure is equipped at the air outlet, the flow-guiding structure includes downwardly projecting arcwall face, will be by described Air inlet enters the intracorporal air of the shell and guides to the air outlet, 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, air can be in flow-guiding structure by setting flow-guiding structure Guide functions under be further discharged outside shell so that outlet air is more smooth, and be conducive to reduce vortex.

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, in the side along the center line for being parallel to the internal-circulation type range hood Upwards, the lowermost end of the arcwall face is lower than the top of the fan assembly.

Some embodiments according to the present utility model, the shell is interior to be equipped with windward guidance tape and leeward guidance tape, the windward Guidance tape is spaced apart setting, the windward guidance tape, the shell and the lower air duct with the leeward guidance tape in the up-down direction The air outlet is limited between plate.

Further, the arcwall face is formed in the windward guidance tape adjacent to one end of the air outlet.

Some embodiments according to the present utility model, on direction from the bottom to top, the leeward guidance tape is in cross section Diameter is gradually increased.

Further, the leeward guidance tape includes bottom wall and peripheral wall, the lower end of the peripheral wall be connected with the bottom wall and Upper end is connected with the shell, and the peripheral wall is configured to taper or the peripheral wall is configured to the arc of evagination.

Some embodiments according to the present utility model, on direction from the bottom to top, the peripheral wall of the leeward guidance tape is by structure Cause the arc of convex.

Optionally, the shell includes: lower encioser, and the air inlet is formed on the lower encioser；Upper encloser, it is described on Housing is located at the top of the lower encioser, and the air outlet is formed on the upper encloser；Wherein, the outer end of the windward guidance tape It is formed with the first clamping part, the outer end of the upper encloser is formed with the second clamping part to match with first clamping part, institute It states windward guidance tape and when the upper encloser snaps connection, second clamping part is caught in the first hook part of first clamping part Second hook part；Third clamping part, and the lower air duct are formed in one of them in the leeward guidance tape and the upper encloser The 4th clamping part to match with the third clamping part, the third card are formed on another in plate and the upper encloser Buckle is snapped connection with the 4th clamping part.

Further, card is formed in one of them in the inner end of the windward guidance tape and the inner end of the upper encloser Button, and be formed on another in the inner end of the inner end of the windward guidance tape and the upper encloser and to match with described buckle Card slot；Wherein, the stop collar being formed with a inwardly extending on the inside of the card slot, the head of the buckle are adapted to pass through the card slot And it is limited by the stop collar.

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 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 Fig. 3；

Fig. 5 is another partial enlarged view of Fig. 3；

Fig. 6 is an explosive view according to the internal-circulation type range hood of the utility model embodiment；

Fig. 7 is a 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, the second clamping part 161, the second hook part 1611, third clamping part 162, card slot 163, stop collar 1631, 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, body part 322, supporting leg 323, peace Hole 3231 is filled,

Import grid 4, axle sleeve 5, messenger wire 6, limiting section 61, hanging plate 7, outlet grid 8, windward guidance tape 9, flow-guiding structure 91, First clamping part 92, the first hook part 921, buckle 93, head 931, leeward guidance tape 10, bottom wall 101, peripheral wall 102, the 4th clamping part 103。

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 ", " 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-Fig. 7, according to the internal-circulation type range hood 100 of the utility model embodiment, comprising: shell 1 is hung Line 6, 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, reference Fig. 3, in some embodiments, air outlet 12 can be located at the top of air inlet 11, and air outlet 12 is configured to around interior circulation The annular of the central axis of formula range hood 100.By circularizing the construction of air outlet 12, the outlet air of synchronization can be increased Amount, is conducive to circulating for air.

For example, air outlet 12 can be one, one air outlet 12 is configured to the ring around the central axis Shape.Or air outlet 12 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..

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, flow-guiding structure 91 can be equipped at air outlet 12, flow-guiding structure 91 includes arcwall face, and the arcwall face can be with It is downwardly projecting, so as to which the air entered in shell 1 by air inlet 11 is guided to air outlet 12 by flow-guiding structure 91, and It is discharged outside shell 1 from air outlet 12.Water conservancy diversion can be carried out to the air entered in shell 1 by flow-guiding structure 91 as a result, more had Conducive to the export of air.

For example, 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 setting flow-guiding structure 91, air It can be further discharged outside shell 1 under the guide functions of flow-guiding structure 91, so that outlet air is more smooth, and be conducive to reduce whirlpool Stream.

Some embodiments according to the present utility model are parallel in internal-circulation type range hood 100 referring to Fig. 4 on edge On the direction of heart line, the lowermost end of the arcwall face is lower than the top of fan assembly 2.For example, the upper and lower shown in Fig. 4 Upwards, the minimum point of the arcwall face can be lower than the highest point of fan assembly 3, as a result, the sky being discharged by fan assembly 2 Gas can be flowed along the wall surface of the arcwall face, so that preferably diversion effect is played, convenient for shell is further discharged in air Outside body 1.

Some embodiments according to the present utility model are equipped with windward guidance tape 9 and lower air duct in shell 1 referring to Fig. 3 and Fig. 4 Plate 10, windward guidance tape 9 are spaced apart setting, windward guidance tape 9, shell 1 and leeward guidance tape with leeward guidance tape 10 in the up-down direction The air outlet 12 of annular can be limited between 10.As a result, the air in shell 1 is entered by air inlet 11, it can be upper It is discharged outside shell 1 under the guide functions of air duct board 9, flow-guiding structure 91 and leeward guidance tape 10 etc. via the air outlet 12 of annular, Advantageously ensure that the uniformity of outlet air.

Further, referring to Fig. 4, the arcwall face can be formed in windward guidance tape 9 adjacent to one end of air outlet 12.Example Such as, at least part of air duct board 9 can be downwardly protrude to form the arcwall face in fig. 4, the upper, and the arcwall face can be neighbouring Air outlet 12 is arranged, and 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.

In some embodiments, flow-guiding structure 91 may include that multiple water conservancy diversion can be set on one or windward guidance tape 9 Structure 91, the multiple flow-guiding structure 91 horizontally spaced can be opened up and be set, and the multiple flow-guiding structure 91 is downwardly projecting Height can be identical or different, for example, the multiple flow-guiding structure 91 can be formed as smooth wavy surface etc..

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.

Further, referring to Fig. 4, leeward guidance tape 10 includes bottom wall 101 and peripheral wall 102, the lower end of peripheral wall 102 and bottom wall 101 are connected, and the upper end of peripheral wall 102 is connected with shell 1, and peripheral wall 102 is configured to taper or peripheral wall 102 is configured to The arc of evagination.As a result, by the way that the shape of peripheral wall 102 is rationally arranged, preferably diversion effect can be played.

Here evagination refers on direction from the bottom to top, by neighbouring 100 central axis of internal-circulation type range hood Direction to far from 100 central axis of internal-circulation type range hood direction protrude.

For example, the cross section of leeward guidance tape 10 can be tapered on direction from the bottom to top.Alternatively, from the bottom to top Direction on, leeward guidance tape 10 can be in the arc that be gradually increased of diameter of cross section.By leeward guidance tape 10 can also into The air entered in shell 1 carries out water conservancy diversion, to advantageously reduce noise, and can improve air purification efficiency to a certain extent.

The utility model is without being limited thereto, some embodiments according to the present utility model, on direction from the bottom to top, leeward The peripheral wall 102 of guidance tape 10 can also be configured to the arc of convex.It can be further in entrance shell 1 by leeward guidance tape 10 Air carry out water conservancy diversion, be more advantageous to reduction noise, improve air purification efficiency.

Here convex refers on direction from the bottom to top, by far from 100 central axis of internal-circulation type range hood Direction protruded to the direction of neighbouring 100 central axis of internal-circulation type range hood.

In addition, in some embodiments, windward guidance tape 10 may include inwardly projecting arc convex or outwardly protrude Arc convex, the arc convex may include one or more, can by the cooperation of the arc convex and the arcwall face Preferably to carry out water conservancy diversion to air, so that outlet air is more smooth, vortex is reduced.

Further, in conjunction with Fig. 3, on the flow direction of air, the sectional area of air outlet 12 is gradually reduced.Lead to as a result, The outlet air sectional area gradual change for making air outlet 12 is crossed, so that outlet air more disperses, air-out area is big, is conducive to the stream for accelerating air It is dynamic, improve air purification efficiency.

In some embodiments, air inlet 11 can be configured to surround the central axis of internal-circulation type range hood 100 Annular.For example, internal-circulation type range hood 100 has central axis, air inlet 11 can be configured to around the center The annular of axis increases cage cigarette area, in this way, being conducive to expand the area of air inlet 11 so as to accelerate the circulation of air Speed.

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..

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.

Some embodiments according to the present utility model, the bottom of shell 1 are formed with air inlet 11.At this point, internal-circulation type is inhaled Bottom air inlet may be implemented in kitchen ventilator 100, convenient for circulating for air.

Or the bottom and side wall of shell 1 is each formed with air inlet 11.That is, in some embodiments, Ke Yi The bottom wall of shell 1 and the side wall of shell 1 are each formed with air inlet 11, in this way, being equivalent to the air inlet increased in synchronization Amount is more advantageous to the flowing for accelerating air, improves 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.

Some embodiments according to the present utility model can be equipped with conducting element 13 referring to Fig. 3 in shell 1, conducting element 13 At least part is in arc protruding upward, to carry out water conservancy diversion to the air entered in shell 1 by air inlet 11.Pass through as a result, In 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, further by Air outlet 12 drains into outside shell 1.

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..

Some embodiments according to the present utility model are equipped with maincenter supporting plate 19 in shell 1, conducting element 13 is set referring to Fig. 6 In the bottom of maincenter supporting plate 19, and conducting element 13 can the neighbouring setting of air inlet 11.As a result, by keeping conducting element 13 neighbouring Air inlet 11 is arranged, convenient for carrying out water conservancy diversion to the air entered in shell 1 by air inlet 11, to be conducive to a certain extent Improve air purification efficiency.

For example, maincenter supporting plate 19 can be set to the middle part in shell 1, and maincenter supporting plate 19 can be constructed cyclization Around the revolving body of the central axis of internal-circulation type range hood 100, in this way, being conducive to force balance, and it is easily achieved central branch Being stably connected between frame plate 19 and conducting element 13.

Further, in conjunction with Fig. 6, 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, referring to Fig. 6 and in conjunction with Fig. 3, on direction from top to bottom, interconnecting piece 191 is configured to downwards Slope inwardly and extend, interconnecting piece 191 includes the multiple of circumferentially spaced arrangement.For example, in the up-down direction, interconnecting piece 191 Inwardly downward it can extend, in this way, be conducive to reduce the height of internal-circulation type range hood 100 in the up-down direction, from And be conducive to reduce the volume of internal-circulation type range hood 100, reduce occupied space.

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 are equipped with filter assemblies 14, filtering group in shell 1 referring to Fig. 3 and Fig. 6 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.

Referring to Fig.1 and Fig. 3, some embodiments according to the present utility model, shell 1 include: lower encioser 15 and upper cover Shell 16, upper encloser 16 are located at the top of lower encioser 15.Lower encioser 15 is detachably connected with maincenter supporting plate 19, for example, lower encioser 15, which the modes such as can be connected by screw to or snap connection with maincenter supporting plate 19, is connected, thus, it is easy to accomplish lower encioser 15 with Assembly or disassembly between maincenter supporting plate 19.

Wherein, upper encloser 16 is snapped connection with windward guidance tape 9 and leeward guidance tape 10 respectively, that is to say, that upper encloser 16 divides It can be connected by snap connection means not between windward guidance tape 9, lower encioser 15 and leeward guidance tape 10 can pass through buckle The mode of connection is connected.It is easily achieved between windward guidance tape 9 and upper encloser 16 and between leeward guidance tape 10 and upper encloser 16 Assembly.

Wherein, referring to Fig. 4, the outer end of windward guidance tape 9 is formed with the first clamping part 92, the outer end of upper encloser 16 be formed with When the second clamping part 161 that first clamping part 92 matches, windward guidance tape 9 and upper encloser 16 snap connection, the first clamping part 92 The first hook part 921 catch on the second hook part 1611 of the second clamping part 161.Thus, it is easy to accomplish upper encloser 16 and windward guidance tape 9 Between snap connection.

Be formed with third clamping part 162 in one of them in leeward guidance tape 10 and upper encloser 15, and leeward guidance tape 10 with The 4th clamping part 103 to match with third clamping part 162, third clamping part 162 are formed on another in upper encloser 15 It is snapped connection with the 4th clamping part 103.Thus, it is easy to accomplish snapping connection between upper encloser 16 and leeward guidance tape 10.

For example, in some embodiments, third clamping part 162 can be formed as card slot portion, the 4th clamping part 103 with it is described Card slot portion matches.But the utility model is without being limited thereto.

Further, it referring to Fig. 4, is formed in the inner end of windward guidance tape 9 and one of them in the inner end of upper encloser 16 Buckle 93, and the cards to match with buckle 93 are formed on another in the inner end of the inner end of windward guidance tape 9 and upper encloser 16 Slot 163.Wherein, the stop collar 1631 that the inside of card slot 163 is formed with a inwardly extending, the head 931 for buckling 93 are adapted to pass through card Slot 163 simultaneously limits (for example, upper limit etc. in above-below direction) by stop collar 1631.Thus, it is possible to be further ensured that upper encloser 16 With the connection reliability between windward guidance tape 9.

Wherein, the top of stop collar 1631 could be formed with the guide surface of taper, when buckling 93 with the assembly of card slot 163, Buckle 93 can be oriented to by the guide surface of the taper, convenient for assembly.The bottom of stop collar 1631 could be formed with At least part of mating surface, head 931 can be bonded with the mating surface.In addition, the smallest radial size of stop collar 1631 The maximum transverse size on head 931 can be less than.

Certainly, upper encloser 16 can also pass through other dismountable connection sides with windward guidance tape 9 and leeward guidance tape 10 respectively The modes such as formula such as screw connection are connected.

Internal-circulation type range hood 100 further include: the upper end of import grid 4, import grid 4 is connected with upper encloser 16, and And the lower end of import grid 4 is connected with lower encioser 15, at least part of import grid 4 is arc-shaped.Pass through import grid as a result, 4 can be filtered the air entered in shell 1 by air inlet 11, and dust, the soft flocks etc. in outside air are blocked in shell Outside body 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, can also increase The surface area of big import grid 4, convenient for external smooth air to be guided in shell 1, to be conducive to the circulation of air Flowing.

Further, referring to Fig. 3 and Fig. 6, import grid 4 can be configured to revolving body, on direction from top to bottom, The diameter of the cross section of import grid 4 is gradually reduced.Outside air can from circumferential via the different location of import grid 4 into Enter in shell 1, is 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.

Referring to Fig. 2 and Fig. 3, outlet grid 8 is also provided at air outlet 12, by outlet grid 8 can to air into Row filtering, also helps the uniformity for guaranteeing outlet 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.

Optionally, referring to Fig.1 and Fig. 6, 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, conducting element 13 is detachably connected with the cover 17, for example, can pass through screw between conducting element 13 and the cover 17 It the modes such as connects or snaps connection to be connected, thus, it is easy to accomplish the assembly or disassembly between conducting element 13 and the cover 17.

Optionally, referring to Figure 1 and Figure 3, the cover 17 is in downwardly projecting arc, and conducting element 13 and the cover 17 are in above-below direction On be oppositely arranged, accommodation space is defined between conducting element 13 and the cover 17 to accommodate light fixture and projecting subassembly.

For example, the bottom of the cover 17 can be downwardly projecting and be formed as arc, the cover 17 can be upper and lower with conducting element 13 It is oppositely arranged on direction, accommodation space can be defined between the top of the cover 17 and the bottom of conducting element 13 in this way, be convenient for Light fixture and/or projecting subassembly etc. are installed in the accommodation space.

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.

Referring to Figures 1 and 2, internal-circulation type range hood 100 can also include messenger wire 6 and hanging plate 7.One end (example of messenger wire 6 Such as lower 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 suction as a result, The ceiling mounting type of kitchen ventilator 100 is installed.Wherein, a part of of messenger wire 6 can be located in air outlet 12.For example, the lower end of messenger wire 6 can To pass through shell 1 and be connected with the component in shell 1.Messenger wire 6 may include one；Or messenger wire 6 includes more, described more Messenger wire 6 is easily achieved the suspension and support of internal-circulation type range hood 100 by messenger wire 6 in circumferentially spaced setting.

Specifically, referring to figure 5 and figure 6, 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.

Referring to Fig. 6, mounting portion 321 can be equipped on electric machine support 32, messenger wire 6 can pass through mounting portion 321 and motor branch Frame 32 is connected.

Further, in conjunction with Fig. 7, electric machine support 32 includes: body part 322 and supporting leg 323.Body part 322 is configured to Annular；For supporting leg 323 including multiple, multiple supporting legs 323 are arranged spaced apart along the direction of the central axis around body part 322.

Wherein, the free end of supporting leg 323 is formed with mounting hole 3231, the bottom of messenger wire 6 be adapted to pass through mounting hole 3231 with Electric machine support 32 is connected.For example, mounting hole 3231 can be formed on mounting portion 321.Thus, it is easy to accomplish messenger wire 6 and motor Being reliably connected between bracket 32.

Further, as shown in Figure 5 and Figure 6, the bottom of messenger wire 6 is formed with limiting section 61, and limiting section 61 is adapted to pass through Mounting hole 3231 is connected with electric machine support 32, and the full-size of limiting section 61 transversely is greater than the radial ruler of mounting hole 3231 It is very little, to prevent messenger wire 6 from deviating from out of mounting hole 3231.Thus, it is possible to guarantee that the connection between messenger wire 6 and electric machine support 32 is reliable Property.

For example, in some embodiments, limiting section 61 can be annular flange, the diameter of the defining flange can be greater than The radial dimension of mounting hole 3231 passes through the cooperation of limiting section 61 and mounting hole 3231 as a result, advantageously ensures that messenger wire 6 and electricity Connection reliability between machine support 32.

Optionally, referring to Fig. 5, 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.

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；

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

Electric machine assembly, the electric machine assembly are connected for driving the fan assembly rotation to be formed with fan assembly transmission Negative pressure exhausting；

Wherein, flow-guiding structure is equipped at the air outlet, the flow-guiding structure includes downwardly projecting arcwall face, will be by described Air inlet enters the intracorporal air of the shell and guides to the air outlet, 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 parallel to the internal-circulation type on edge and inhale On the direction of the center line of kitchen ventilator, the lowermost end of the arcwall face is lower than the top of the fan assembly.

3. internal-circulation type range hood according to claim 1, which is characterized in that be equipped in the shell windward guidance tape and Leeward guidance tape, the windward guidance tape are spaced apart setting, the windward guidance tape, the shell with the leeward guidance tape in the up-down direction The air outlet is limited between body and the leeward guidance tape.

4. internal-circulation type range hood according to claim 3, which is characterized in that the arcwall face is formed in the windward Guidance tape is adjacent to one end of the air outlet.

5. internal-circulation type range hood according to claim 3, which is characterized in that described on direction from the bottom to top Leeward guidance tape is gradually increased in the diameter of cross section.

6. internal-circulation type range hood according to claim 5, which is characterized in that the leeward guidance tape includes bottom wall and week Wall, the lower end of the peripheral wall is connected with the bottom wall and upper end is connected with the shell, and the peripheral wall is configured to taper or institute State the arc that peripheral wall is configured to evagination.

7. internal-circulation type range hood according to claim 3, which is characterized in that described on direction from the bottom to top The peripheral wall of leeward guidance tape is configured to the arc of convex.

8. internal-circulation type range hood according to claim 3, which is characterized in that the shell includes:

Lower encioser, the air inlet are formed on the lower encioser；

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

Wherein, the outer end of the windward guidance tape is formed with the first clamping part, and the outer end of the upper encloser is formed with and described first When the second clamping part that clamping part matches, the windward guidance tape and the upper encloser snap connection, first clamping part Catch on the second hook part of second clamping part in the first hook part；

Third clamping part, and the leeward guidance tape and institute are formed in one of them in the leeward guidance tape and the upper encloser State and be formed with the 4th clamping part to match with the third clamping part on another in upper encloser, the third clamping part with 4th clamping part snaps connection.

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

Buckle, and the upper air duct are formed in one of them in the inner end of the windward guidance tape and the inner end of the upper encloser It is formed on another in the inner end of plate and the inner end of the upper encloser and the card slot for buckling and matching；

Wherein, the stop collar being formed with a inwardly extending on the inside of the card slot, the head of the buckle are adapted to pass through the card slot And it is limited by the stop collar.

10. internal-circulation type range hood according to claim 8, 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 electric machine support detachably connects with the upper encloser 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.