CN218522831U - Fan subassembly and integrated kitchen - Google Patents

Abstract

The utility model provides a fan subassembly and integrated kitchen. The fan assembly comprises a fan main body, an air box and a flow guide component. The fan main body comprises a volute and an impeller arranged in the volute, and the volute is provided with a volute inlet and a volute outlet; the air box is enclosed to form an air box inner cavity and is provided with an air box inlet and an air box outlet, and the air box outlet is connected with the volute outlet; the flow guide component is arranged on the surface of one side of the volute, which faces to the inlet of the air box, and guides the oil smoke entering the air box so as to prevent the oil smoke from directly impacting the volute to generate noise; the volute is arranged in the inner cavity of the air box, and the inlet of the volute is communicated with the inner cavity of the air box so as to discharge oil smoke entering the inner cavity of the air box out of the outlet of the air box through the suction of the impeller. This fan subassembly sets up the water conservancy diversion part through the top at the spiral case towards one side of bellows import, carries out the water conservancy diversion to the oil smoke that gets into the bellows inner chamber, prevents that the oil smoke from directly dashing spiral case top and causing energy loss and noise.

Description

Fan subassembly and integrated kitchen

Technical Field

The utility model relates to an integrated kitchen technical field, in particular to fan subassembly and integrated kitchen.

Background

Along with people's requirement to the comfortable environment in kitchen is higher and higher, integrated kitchen receives people's favor because of advantages such as nearly smoke source, strong suction, low noise and high integration more and more. The fan system of the integrated cooker is used as an important component of the integrated cooker and bears the important functions of ventilation and smoking.

When oil fume of the integrated stove in the prior art enters the inner side of the air box from the machine head, the oil fume directly impacts the top of the volute to cause energy loss and generate noise.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fan subassembly, this fan subassembly sets up the water conservancy diversion part through the top at the spiral case towards one side of bellows import, carries out the water conservancy diversion to the oil smoke that gets into bellows inner chamber, prevents that the oil smoke from directly dashing the spiral case top and causing energy loss and noise.

For realizing the purpose of the utility model, the utility model adopts the following technical scheme:

according to an aspect of the utility model provides a fan subassembly, fan subassembly includes fan main part, bellows and water conservancy diversion part. The fan body comprises a volute and an impeller arranged in the volute, and the volute is provided with a volute inlet and a volute outlet; the air box is arranged around the air box to form an air box inner cavity and is provided with an air box inlet and an air box outlet, and the air box outlet is connected with the volute outlet; the flow guide component is arranged on the surface of one side of the volute, which faces the air box inlet, and guides the oil smoke entering the air box so as to prevent the oil smoke from directly impacting the volute to generate noise; the volute is arranged in the air box inner cavity, and the volute inlet is communicated with the air box inner cavity so that oil smoke entering the air box inner cavity is discharged out of the air box outlet through the suction of the impeller.

According to the utility model discloses an embodiment, wherein, the width of spiral case is less than the width of bellows, in order the outside of spiral case forms the intercommunication the bellows import with the oil smoke passageway of spiral case import.

According to the utility model discloses an embodiment, wherein, the water conservancy diversion part encloses to establish and forms the water conservancy diversion chamber, it makes an uproar the layer to fall to be filled with in the water conservancy diversion chamber, the top interval of water conservancy diversion part is provided with and falls the hole of making an uproar.

According to the utility model discloses an embodiment, wherein, the quantity of spiral case import is two, two spiral case import symmetry sets up in relative two on the spiral case lateral wall of spiral case, the spiral case set up in the centre of bellows inner chamber, with two spiral case lateral wall punishment forms the oil smoke passageway respectively.

According to the utility model discloses an embodiment, wherein, two the oil smoke passageway is main oil smoke passageway and vice oil smoke passageway, the water conservancy diversion part encloses to establish and forms the transversal water conservancy diversion chamber of personally submitting triangle-shaped, the topside of water conservancy diversion part sets up in being close to main oil smoke passageway one side to get into most the oil smoke direction of bellows main oil smoke passageway.

According to an embodiment of the present invention, wherein the height of the flow guiding member is H ', the distance between the top of the volute and the inlet of the bellows is H, and 0.2H is equal to or less than H' and equal to or less than 0.4H.

According to the utility model discloses an embodiment, wherein, the fan main part still includes the handle, bellows correspond to handle department is provided with first supporting part, the handle with first supporting part is connected.

According to the utility model discloses an embodiment, wherein, a pair of bellows lateral wall of bellows has and is used for seting up the first position of seting up and the second position of seting up of bellows export are seted up, and are corresponded, another pair of bellows lateral wall of bellows has first installation position and the second installation position that is used for installing first supporting part, works as the bellows export is located when first seting up the position, first supporting part set up in first installation position works as the bellows export is located when the second was seted up the position, first supporting part set up in the second installation position.

According to the utility model discloses an on the other hand provides an integrated kitchen. The integrated kitchen range comprises the fan assembly and the integrated kitchen range box body. The integrated oven box body is provided with a first air outlet and a second air outlet; wherein, the fan subassembly set up in the integrated kitchen box, bellows export with first air outlet or second air outlet intercommunication.

According to the utility model discloses an embodiment, wherein, integrated kitchen still includes the second supporting part, the second supporting part set up in the bottom of integrated kitchen box, bellows connect in the top of second supporting part.

According to the utility model discloses an embodiment, wherein, the second supporting part include the supporting part main part, respectively connect in supporting part main part and mutually perpendicular's first curb plate and second curb plate, bellows include mutually perpendicular connection's first lateral wall and second lateral wall, first lateral wall with first curb plate is connected, the second lateral wall with the second curb plate is connected.

The utility model provides an embodiment has following advantage or beneficial effect:

the fan component of the utility model guides the oil smoke entering the inner cavity of the bellows by arranging the flow guide component at the top of the volute towards one side of the bellows inlet, thereby preventing the oil smoke from directly rushing to the top of the volute to cause energy loss and noise; meanwhile, the noise generated after the oil smoke enters the air box is further reduced through the noise reduction holes and the noise reduction layers of the flow guide parts; the air box with the integral structure ensures that an oil way is sealed without overflow, and the integral rigidity of the air box is improved, so that the resonance noise of the air box and a fan can be effectively solved; the height of the flow guide part is limited, so that the air inlet space of the oil smoke at the air box inlet can be enlarged, and the oil smoke can be prevented from directly impacting the side wall of the air box to generate noise when flowing to the oil smoke channel.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

FIG. 1 is a rear view of a fan assembly shown according to an exemplary embodiment.

FIG. 2 is an exploded view of a blower assembly shown according to an exemplary embodiment.

FIG. 3 is an internal schematic view of a fan assembly shown according to an exemplary embodiment.

FIG. 4 is a perspective view of a blower body of a blower assembly shown according to an exemplary embodiment.

Fig. 5 is a perspective view of an integrated cooker according to an exemplary embodiment.

FIG. 6 is an enlarged view of portion A of FIG. 5, shown in accordance with an exemplary embodiment.

Fig. 7 is an internal schematic view of an integrated cooker shown according to an exemplary embodiment.

Fig. 8 is an enlarged view of portion B of fig. 7, shown in accordance with an exemplary embodiment.

Wherein the reference numerals are as follows:

1. a fan main body; 11. a volute; 111. a volute inlet; 112. a volute outlet; 12. an impeller; 13. a handle; 2. an air box; 21. an air box inlet; 22. an outlet of the windbox; 221. a first opening position; 222. a second opening position; 223. a first mounting location; 224. a second mounting position; 23. a first support section; 24. a first side wall; 25. a second side wall; 3. a flow guide member; 31. a flow guide cavity; 4. an oil smoke channel; 41. a main oil smoke passage; 42. an auxiliary oil smoke channel; 5. integrating a kitchen oven body; 51. a first air outlet; 52. a second air outlet; 6. a second support portion; 61. a support main body; 62. a first side plate; 63. a second side plate; 7. a nose section; 71. a smoke inlet; 72. a smoke outlet.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus a detailed description thereof will be omitted.

The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

As shown in fig. 1 to 8, fig. 1 shows a rear view of a fan assembly provided by the present invention. Fig. 2 shows an exploded view of a fan assembly provided by the present invention. Fig. 3 shows an internal schematic diagram of a fan assembly provided by the present invention. Fig. 4 shows a perspective view of the blower main body 1 of the blower assembly provided by the present invention. Fig. 5 shows a perspective view of an integrated cooker provided by the present invention. Fig. 6 shows an enlarged view of a portion a in fig. 5 provided by the present invention. Fig. 7 shows an internal schematic view of an integrated cooker provided by the present invention. Fig. 8 shows an enlarged view of a portion B in fig. 7 provided by the present invention.

The utility model discloses fan subassembly includes fan main part 1, bellows 2 and water conservancy diversion part 3. The fan main body 1 comprises a volute 11 and an impeller 12 arranged in the volute 11, wherein the volute 11 is provided with a volute inlet 111 and a volute outlet 112; the air box 2 is arranged in a surrounding manner to form an air box inner cavity and is provided with an air box inlet 21 and an air box outlet 22, and the air box outlet 22 is connected with a volute outlet 112; the flow guide component 3 is arranged on the surface of one side of the volute 11, which faces the air box inlet 21, and the flow guide component 3 guides the oil smoke entering the air box 2 so as to prevent the oil smoke from directly impacting the volute 11 to generate noise; the volute 11 is disposed in the inner cavity of the wind box, and the volute inlet 111 communicates with the inner cavity of the wind box to discharge the oil smoke entering the inner cavity of the wind box out of the wind box outlet 22 by the suction of the impeller 12.

As shown in fig. 1 to 8, the bellows inlet 21 is disposed on the top wall of the bellows 2, the bellows outlet 22 is disposed on the bellows sidewall of the bellows 2, which may be a left sidewall or a right sidewall, the volute 11 is disposed in the bellows inner cavity, when the smoke-collecting hood outlet of the smoke-collecting hood is not in a position corresponding to the volute inlet 111, the bellows 2 facilitates compatible docking of the volute inlet 111 and the smoke-collecting hood outlet, so that the smoke collected by the nose portion 7 enters the bellows inner cavity through the bellows inlet 21 via the smoke outlet 72, and sequentially passes through the volute inlet 111 and the volute outlet 112, the inner sidewall of the volute 11 is a circular arc surface, the flow direction of the smoke can be stably changed from the vertical direction to the horizontal direction without generating turbulence, the volute outlet 112 and the bellows outlet 22 are hermetically connected, the smoke is discharged from the bellows outlet 22 while passing through the volute outlet 112, the bellows inlet 21 is disposed on the top wall of the bellows 2, and directly faces the top wall of the volute 11, the top wall of the volute 11 is provided with the flow guide component 3, and the flow guide of the flow guide component 3 can change the direction of the smoke in the direction of the smoke toward the top of the smoke in the vertical direction of the smoke along the top wall of the spiral 11, thereby avoiding direct energy loss and noise.

In a preferred embodiment of the present invention, the width of the volute 11 is smaller than the width of the windbox 2 to form a soot channel 4 communicating the windbox inlet 21 and the volute inlet 111 at the outside of the volute 11.

As shown in fig. 7 and 8, the width of the spiral case 11 in the front-back direction is smaller than the width of the wind box 2 in the front-back direction, so that after the spiral case 11 is fixedly connected to the wind box 2, a certain gap is formed between the spiral case side wall of the spiral case 11 and the wind box side wall of the wind box 2, so as to form the oil smoke channel 4, when the spiral case inlet 111 is arranged on the spiral case side wall of the spiral case 11, the oil smoke can directly flow to the oil smoke channel 4 under the flow guiding effect of the flow guiding component 3, so as to enter the spiral case inlet 111 under the suction effect of the impeller 12.

In a preferred embodiment of the present invention, the flow guiding component 3 is enclosed to form a flow guiding cavity 31, a noise reduction layer is filled in the flow guiding cavity 31, and noise reduction holes are arranged at intervals on the top of the flow guiding component 3.

As shown in fig. 2 to 4, the noise reduction layer is made of noise reduction material such as soundproof cotton, the noise reduction layer is filled in the flow guide cavity 31, and noise reduction holes are formed in the surface of one side of the flow guide member 3 facing the air box inlet 21, so that the flow guide cavity 31 is communicated with the inner cavity of the air box, and the noise reduction effect of the flow guide member 3 is further improved by the effect of the noise reduction material.

In a preferred embodiment of the present invention, the number of the volute inlets 111 is two, two volute inlets 111 are symmetrically disposed on the volute sidewalls of two opposite volutes 11, and the volute 11 is disposed in the middle of the bellows inner chamber of the bellows 2 to form the oil smoke channel 4 at two volute sidewalls respectively.

As shown in fig. 7 and 8, the two volute inlets 111 are symmetrically disposed on the front side wall and the rear side wall of the volute 11, the impeller 12 is centrifugally disposed between the two volute inlets 111, and when the width of the volute 11 in the front-rear direction is smaller than the width of the bellows 2, the volute 11 is disposed in the middle of the inner cavity of the bellows, so that the front side wall of the volute 11 and the front side wall of the bellows 2 have a certain gap, and the rear side wall of the volute 11 and the rear side wall of the bellows 2 have a certain gap, thereby forming the soot passages 4 respectively on the front side and the rear side of the volute 11.

In a preferred embodiment of the present invention, the two oil smoke passages 4 are a main oil smoke passage 41 and an auxiliary oil smoke passage 42, the diversion component 3 encloses the diversion cavity 31 with a triangular cross section, and the top edge of the diversion component 3 is disposed on one side of the main oil smoke passage 41 to guide most of the oil smoke entering the air box 2 to the main oil smoke passage 41.

As shown in fig. 7 and 8, the impeller 12 includes a front disk and a rear disk, when the width ratio of the front disk to the rear disk is 4:6, the width of the front disk is smaller than that of the rear disk, and the top edge of the flow guide member 3 is close to the main oil smoke passage 41 disposed at the rear side, so that the oil smoke entering the inner cavity of the bellows can be guided to the rear disk as much as possible, and the air intake of the rear disk is satisfied.

In a preferred embodiment of the present invention, the height of the flow guide member 3 is H ', the distance between the top of the spiral case 11 and the air box inlet 21 is H, and H' is not less than 0.2H and not more than 0.4H.

As shown in FIG. 8, when H 'is not less than 0.2H, the oil smoke can be prevented from directly rushing to the front side wall and/or the rear side wall of the air box 2 under the guiding action of the guiding component, and when H' is not more than 0.4H, the oil smoke flowing space above the guiding component 3 can be increased.

In a preferred embodiment of the present invention, the blower main body 1 further includes a handle 13, the first supporting portion 23 is disposed at the position of the bellows 2 corresponding to the handle 13, and the handle 13 is connected to the first supporting portion 23.

As shown in fig. 2 to 4, the number of the first supporting portions 23 may be one, or may be multiple, in this embodiment, two first supporting portions 23 are preferably disposed at the left and right sides of the bellows 2, two corresponding handles 13 are also provided, the two handles 13 are respectively fixedly connected to the volute 11, and after the handles 13 slide to the bottom along the first supporting portions 23, the screws sequentially pass through the hole locations of the handles 13 and the hole locations of the first supporting portions 23, so as to fixedly connect the handles 13 and the first supporting portions 23, and thereby fixedly connect the blower main body 1 to the bellows 2.

In a preferred embodiment of the invention, one pair of bellows side walls of the bellows 2 has a first opening position 221 and a second opening position 222 for opening the bellows outlet 22, and correspondingly, the other pair of bellows side walls of the bellows 2 has a first mounting position 223 and a second mounting position 224 for mounting the first support portion 23, the first support portion 23 being disposed at the first mounting position 223 when the bellows outlet 22 is located at the first opening position 221, and the first support portion 23 being disposed at the second mounting position 224 when the bellows outlet 22 is located at the second opening position 222.

As shown in fig. 1 to 3, when the bellows outlet 22 is disposed at the first opening position 221, that is, on the left side wall of the bellows 2, the first support portion 23 is disposed at the first mounting position 223, and after the handle 13 is connected to the first support portion 23, the volute outlet 112 corresponds to the bellows outlet 22 at the first opening position 221, and similarly, when the first support portion 23 is disposed at the second mounting position 224, after the handle 13 is connected to the first support portion 23, the volute outlet 112 corresponds to the bellows outlet 22 at the first mounting position 223.

The fan component of the utility model arranges the flow guiding component 3 at the top of the volute 11 towards one side of the bellows inlet 21 to guide the oil smoke entering the inner cavity of the bellows, thereby preventing the oil smoke from directly rushing to the top of the volute 11 to cause energy loss and noise; meanwhile, the noise generated after the oil smoke enters the air box 2 is further reduced through the noise reduction holes and the noise reduction layers of the flow guide part 3; the air box 2 with the integral structure ensures that an oil way is sealed without overflow, and the integral rigidity of the air box 2 is improved, so that the resonance noise of the air box 2 and a fan can be effectively solved; the height of the flow guide part 3 is limited, so that the air inlet space of the oil smoke at the air box inlet 21 can be enlarged, and the oil smoke can be prevented from directly impacting the side wall of the air box 2 to generate noise when flowing to the oil smoke channel 4.

The utility model discloses integrated kitchen includes aforementioned fan subassembly and integrated kitchen box 5. The integrated oven body 5 is provided with a first air outlet 51 and a second air outlet 52; wherein, the fan assembly is arranged in the integrated oven body 5, and the bellows outlet 22 is communicated with the first air outlet 51 or the second air outlet 52.

As shown in fig. 5 to 8, the first air outlet 51 is disposed on the left side of the integrated oven body 5, the second air outlet 52 is disposed on the right side of the integrated oven body 5, when left air-out is required, the left side wall of the bellows 2 is provided with the bellows outlet 22, the bellows outlet 22 is communicated with the first air outlet 51 through the connecting pipe, when right air-out is required, the right side wall of the bellows 2 is provided with the bellows outlet 22, after the whole blower inside the volute 11 and the volute 11 are dismounted and horizontally turned over by 180 °, the original handle 13 on the left side is butted with the first support 23 on the right side, the handle 13 on the right side is butted with the first support 23 on the left side, so that the volute outlet 112 corresponds to the bellows outlet 22 on the right side wall of the bellows 2, preferably, the left side wall and the right side wall of the bellows 2 are of a symmetrical structure, when left air-out or right air-out is required, the left side wall and right side wall can be fixedly connected after being exchanged, thereby making left-right direction change and right direction change directly convenient, and without adding materials, only by selecting the left side wall or right side wall with left-out air-out mode, and right side wall to assemble the left side wall to form 2, and almost no difference in performance after direction change.

The integrated kitchen range further comprises a machine head part 7, the machine head part 7 is arranged above the fan assembly and is provided with a smoke inlet 71 and a smoke outlet 72, the smoke inlet 71 faces the upper side of the kitchen range, the smoke outlet 72 is communicated with an air box inlet 21, oil smoke generated by cooking under the action of the impeller 12 enters an air box inner cavity through the smoke outlet 72 and the air box inlet 21, and therefore energy loss and noise are prevented from being generated by directly impacting the volute 11 under the action of the flow guide component 3, and more oil smoke can be absorbed under the suction action of the impeller 12 with the same power.

In a preferred embodiment of the present invention, the integrated cooker further comprises a second supporting portion 6, the second supporting portion 6 is disposed at the bottom of the integrated cooker case 5, and the air box 2 is connected to the top of the second supporting portion 6.

As shown in fig. 5 and 6, the fan assembly further comprises an oil receiving box, the oil receiving box is arranged at the bottom of the integrated oven box body 5, the second supporting portion 6 is arranged at the bottom of the integrated oven box body 5, the air box 2 is arranged above the second supporting portion 6, so that the bottom of the air box 2 is higher than the oil receiving box, an oil outlet can be arranged at the bottom of the air box 2, the oil outlet is communicated with the oil receiving box, and oil stain in the fan assembly can be discharged into the oil receiving box through self weight.

In a preferred embodiment of the present invention, the second support portion 6 comprises a support portion main body 61, a first side plate 62 and a second side plate 63 which are connected to the support portion main body 61 and are perpendicular to each other, respectively, and the bellows 2 comprises a first side wall 24 and a second side wall 25 which are perpendicular to each other, the first side wall 24 being connected to the first side plate 62, and the second side wall 25 being connected to the second side plate 63.

As shown in fig. 5 and 6, the number of the second supporting portions 6 is two, two supporting portion main bodies 61 are respectively arranged on the left side of the bottom and the right side of the bottom of the integrated oven body 5, and are used for increasing the height of the bottom of the air bellow 2, the left first side plate 62 is arranged on the left side of the left supporting plate main body, the right first side plate 62 is arranged on the right side of the right supporting plate main body, the two first side plates 62 are used for limiting the position of the air bellow 2 in the left-right direction, the left second side plate 63 is arranged on the front side of the right supporting plate main body, the right second side plate 63 is arranged on the front side of the right supporting plate main body, when the fan assembly is installed, the first side plate 24 abuts against the first side plate 62, the fan assembly is pushed into the integrated oven body 5 from back to front to bottom, the second side plate 25 abuts against the second side plate 63, so that the first side plate 62 and the first side plate 24 can be fixedly connected through screws, and the second side plate 63 and the second side plate 25 are fixedly connected through screws.

Specifically, the first side wall 24 may be a left side wall and/or a right side wall of the windbox 2, and may also be a left side wall of the windbox 2 formed to extend leftward and/or a right side wall of the windbox 2 formed to extend rightward, and the second side wall 25 may be a front side wall of the windbox 2, and may also be a front side of an outward extending portion of the left side wall or the right side wall of the windbox 2.

The utility model discloses an integrated kitchen includes fan subassembly and integrated kitchen box 5. Can be through switching-over about fan main part 1 in bellows 2, it is direct convenient to make to commutate about, there is not newly-increased material, only need about according to air-out mode select have bellows export 22 left side lateral wall or right side lateral wall assemble into bellows 2 can, and form smooth switching-over through spiral case 11, can convert the oil smoke into along the horizontal direction flow by vertical direction, the performance is almost indifference after the switching-over, can solve in the most integrated kitchen products of prior art need trun into the energy loss of horizontal direction with wind cabinet export oil smoke by vertical direction.

In the embodiments of the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections. The specific meaning of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the description of the embodiments of the present invention, it should be understood that the terms "upper" and "lower" are used for indicating the position or the positional relationship based on the position or the positional relationship shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but not for indicating or implying that the indicated device or unit must have a specific direction, be constructed and operated in a specific position, and thus, should not be construed as limiting the embodiments of the present invention.

In the description of the present specification, the terms "one embodiment," "a preferred embodiment," and the like, are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.

Claims (11)

1. A fan assembly, comprising:

the fan body (1) comprises a volute (11) and an impeller (12) arranged in the volute (11), wherein the volute (11) is provided with a volute inlet (111) and a volute outlet (112);

the air box (2) is arranged in a surrounding manner to form an air box inner cavity and is provided with an air box inlet (21) and an air box outlet (22), and the air box outlet (22) is connected with the volute outlet (112); and

the flow guide component (3) is arranged on one side surface of the volute (11) facing the air box inlet (21), and the flow guide component (3) guides oil smoke entering the air box (2) so as to prevent the oil smoke from directly impacting the volute (11) to generate noise;

the volute (11) is arranged in the inner cavity of the air box, and the volute inlet (111) is communicated with the inner cavity of the air box so as to discharge oil smoke entering the inner cavity of the air box out of the air box outlet (22) through the suction of the impeller (12).

2. The fan assembly according to claim 1, characterized in that the width of the volute (11) is smaller than the width of the wind box (2) to form a soot channel (4) communicating the wind box inlet (21) and the volute inlet (111) at the outside of the volute (11).

3. The fan assembly according to claim 2, wherein the flow guide part (3) is enclosed to form a flow guide cavity (31), a noise reduction layer is filled in the flow guide cavity (31), and noise reduction holes are arranged at intervals on the top of the flow guide part (3).

4. The fan assembly according to claim 1, wherein the number of the volute inlets (111) is two, two volute inlets (111) are symmetrically disposed on the volute side walls of two opposite volutes (11), and the volute (11) is disposed in the middle of the bellows inner cavity to form a smoke channel (4) at the two volute side walls, respectively.

5. The fan assembly according to claim 4, wherein the two oil smoke passages (4) are a main oil smoke passage (41) and an auxiliary oil smoke passage (42), the flow guide part (3) is enclosed to form a flow guide cavity (31) with a triangular cross section, and the top edge of the flow guide part (3) is arranged at one side close to the main oil smoke passage (41) so as to guide most of the oil smoke entering the air box (2) to the main oil smoke passage (41).

6. The fan assembly according to claim 1, wherein the height of the flow guiding member (3) is H', the distance between the top of the volute (11) and the bellows inlet (21) is H,0.2H ≦ 0.4H.

7. The fan assembly according to claim 1, wherein the fan body (1) further comprises a handle (13), a first support (23) is provided on the air box (2) corresponding to the handle (13), and the handle (13) is connected to the first support (23).

8. The fan assembly according to claim 7, wherein one pair of bellows side walls of the bellows (2) has a first opening position (221) and a second opening position (222) for opening the bellows outlet (22), and correspondingly, the other pair of bellows side walls of the bellows (2) has a first mounting position (223) and a second mounting position (224) for mounting a first support (23), the first support (23) being disposed at the first mounting position (223) when the bellows outlet (22) is located at the first opening position (221), and the first support (23) being disposed at the second mounting position (224) when the bellows outlet (22) is located at the second opening position (222).

9. An integrated cooker, characterized in that it comprises:

the fan assembly of any of claims 1-8; and

the integrated stove box body (5), wherein the integrated stove box body (5) is provided with a first air outlet (51) and a second air outlet (52);

the fan assembly is arranged in the integrated stove box body (5), and the air box outlet (22) is communicated with the first air outlet (51) or the second air outlet (52).

10. The integrated cooker according to claim 9, further comprising a second support portion (6), wherein the second support portion (6) is provided at the bottom of the integrated cooker box (5), and the bellows (2) is connected to the top of the second support portion (6).

11. The integrated hob according to claim 10, characterized in that the second support (6) comprises a support body (61), a first side plate (62) and a second side plate (63) connected to the support body (61) and perpendicular to each other, respectively, the bellows (2) comprises a first side wall (24) and a second side wall (25) connected perpendicular to each other, the first side wall (24) being connected with the first side plate (62), the second side wall (25) being connected with the second side plate (63).

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