CN214891424U - Smoke machine and cabinet - Google Patents

Abstract

The application relates to kitchen utensils and appliances technical field, discloses a cigarette machine, includes: the oil smoke exhausting device comprises a shell, an oil smoke channel, a volute, a centrifugal impeller and an outer rotor motor. The shell defines a negative pressure cavity; one end of the oil smoke channel is arranged in the negative pressure cavity and is communicated with the negative pressure cavity, and the other end of the oil smoke channel can extend out of or retract into the negative pressure cavity; the volute is fixedly arranged in the negative pressure cavity; the centrifugal impeller is rotatably arranged in the volute; the outer rotor motor comprises a stator and a rotor, one end of the stator is fixedly connected with the inner wall of the volute, the rotor is rotatably arranged on the periphery of the stator, and the centrifugal impeller is arranged on the periphery of the rotor and fixedly connected with the rotor. In this application, can reduce the whole thickness of cigarette machine, the cigarette machine of being convenient for hides the installation, reduces occuping of kitchen space, and the oil smoke passageway can stretch out and draw back to the position that is closer to the top of a kitchen range at cigarette machine during operation, has improved the oil absorption cigarette efficiency of cigarette machine. The application also discloses a cabinet.

Description

Smoke machine and cabinet

Technical Field

The application relates to the technical field of kitchen ware, in particular to a range hood and a cabinet.

Background

At present, with the improvement of living standard of people, the pursuit of people's kitchen environment is higher and higher, not only stays in the pursuit in the aspect of the kitchen function such as the unity, and some users have certain pursuit to the convenience of clean and tidy and use in the kitchen, especially need not make the lampblack absorber have sufficient oil smoke removing ability in the aspect of the installation of the lampblack absorber in the kitchen, still need consider the space occupation and the pleasing to the eye degree of lampblack absorber. In the related art, a technical scheme of hiding a range hood by embedding the range hood in a cabinet exists.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

the thickness of cigarette machine is great, is not convenient for install and hide, and the cigarette machine after hiding is far away from the top of a kitchen range, and oil absorption cigarette efficiency can reduce.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a range hood and a cabinet, which can reduce the thickness of the range hood, facilitate the installation and hiding of the range hood and improve the oil smoke suction efficiency.

In some embodiments, a range hood comprises: the oil smoke exhausting device comprises a shell, an oil smoke channel, a volute, a centrifugal impeller and an outer rotor motor. The shell defines a negative pressure cavity; one end of the oil smoke channel is arranged in the negative pressure cavity and is communicated with the negative pressure cavity, and the other end of the oil smoke channel can extend out of or retract into the negative pressure cavity; the volute is fixedly arranged in the negative pressure cavity; the centrifugal impeller is rotatably arranged in the volute; the outer rotor motor comprises a stator and a rotor, one end of the stator is fixedly connected with the inner wall of the volute, the rotor is rotatably arranged on the periphery of the stator, and the centrifugal impeller is arranged on the periphery of the rotor and fixedly connected with the rotor.

In some embodiments, the cabinet comprises: cabinet body and the cigarette machine of above-mentioned embodiment. The cabinet body is internally provided with an installation space, and the installation space is provided with a first opening facing to the lower side; the cigarette machine of above-mentioned embodiment is installed in the installation space, and the one end of oil smoke passageway can pass first opening and stretch out or retract into the installation space.

The cigarette machine and the cabinet provided by the embodiment of the disclosure can realize the following technical effects:

through establishing the periphery at external rotor electric machine with centrifugal impeller cover, through rotor drive centrifugal impeller, can reduce spiral case axial ascending thickness, and then reduce the whole thickness of cigarette machine, the installation is hidden to the cigarette machine of being convenient for, reduce occuping of kitchen space, the position that is closer to the top of a kitchen range can be stretched out and drawn back to at cigarette machine during operation oil smoke passageway, the oil absorption cigarette efficiency of cigarette machine has been improved, and rotate through external rotor electric machine drive centrifugal impeller, stability when can also strengthen centrifugal impeller and rotate, the oil absorption cigarette efficiency of this cigarette machine is further improved, reduce the wind dry.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

figure 1 is a schematic diagram of the structure of one cigarette machine provided by embodiments of the present disclosure;

fig. 2 is a schematic structural diagram of an outer rotor motor provided in an embodiment of the present disclosure;

fig. 3 is a schematic view of a mounting structure of a stator provided in an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a rotor and a mounting disk provided in an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a negative pressure chamber provided by an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a drive mechanism provided by an embodiment of the present disclosure;

FIG. 7 is a schematic structural diagram of an output shaft provided by an embodiment of the present disclosure;

figure 8 is a schematic diagram of another cigarette machine provided by embodiments of the present disclosure;

fig. 9 is a schematic structural view of a fixing groove provided in an embodiment of the present disclosure;

fig. 10 is a schematic structural diagram of an air volume adjusting device provided in the embodiment of the present disclosure;

FIG. 11 is a schematic structural diagram of a wind compensating channel provided by the embodiment of the present disclosure;

fig. 12 is a schematic structural diagram of a lampblack filter device provided by the embodiment of the disclosure;

fig. 13 is a schematic structural view of a cabinet provided by the disclosed embodiment;

fig. 14 is a schematic structural view of an installation space and a storage space provided in the embodiment of the present disclosure.

Reference numerals:

100. a housing; 110. a negative pressure chamber; 111. a mounting cavity; 112. a receiving cavity; 113. a support keel; 114. an air outlet; 115. a wind supplementing channel; 116. a wind expansion channel; 117. a fume filtration device; 200. a fume channel; 210. a smoking port; 220. a first sliding structure; 221. a first chute; 222. a first card holder; 300. a volute; 310. a centrifugal impeller; 311. mounting a disc; 312. a through hole; 320. an outer rotor motor; 321. a stator; 322. a rotor; 323. an annular connecting seat; 330. an air supply opening; 340. an air volume adjusting device; 341. a movable volute tongue; 342. a drive section; 343. a rotating shaft; 344. fixing grooves; 345. a fixed part; 346. a telescopic part; 347. an elastic member; 400. a drive mechanism; 410. a motor; 411. an output shaft; 412. a gear; 413. a shaft seat; 420. a bar-shaped tooth; 500. a cabinet body; 510. an installation space; 511. a first opening; 512. a load bearing mounting frame; 520. a storage space; 521. a second opening; 522. a cabinet door.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

In some embodiments, shown in conjunction with figures 1-4, a range hood, comprises: the range hood comprises a shell 100, a lampblack channel 200, a volute 300, a centrifugal impeller 310 and an outer rotor motor 320. The housing 100 defines a negative pressure chamber 110; one end of the oil smoke channel 200 is arranged in the negative pressure cavity 110 and is communicated with the negative pressure cavity 110, and the other end can extend out of or retract into the negative pressure cavity 110; the volute 300 is fixedly arranged in the negative pressure cavity 110; a centrifugal impeller 310 is rotatably disposed within the volute 300; the outer rotor motor 320 includes a stator 321 and a rotor 322, one end of the stator 321 is fixedly connected to an inner wall of the volute 300, the rotor 322 is rotatably disposed at an outer periphery of the stator 321, and the centrifugal impeller 310 is disposed at an outer periphery of the rotor 322 and is fixedly connected to the rotor 322.

Adopt the cigarette machine that this disclosed embodiment provided, establish the periphery at external rotor motor 320 through establishing centrifugal impeller 310 cover, drive centrifugal impeller 310 through rotor 322, can reduce the ascending thickness of spiral case 300 axial, and then reduce the whole thickness of cigarette machine, the cigarette machine of being convenient for hides the installation, reduce the occupation of kitchen space, oil smoke passageway 200 can stretch out and draw back to the position that is closer to the top of a kitchen range when the cigarette machine is worked, the oil absorption cigarette efficiency of cigarette machine has been improved, and rotate through external rotor motor 320 drive centrifugal impeller 310, stability when can also strengthening centrifugal impeller 310 rotates, further improve the oil absorption cigarette efficiency of this cigarette machine, reduce the wind dryness.

Optionally, an annular connecting seat 323 is disposed at one end of the stator 321 fixedly connected to the inner wall of the volute 300, and the stator 321 is fixedly connected to the inner wall of the volute 300 through the annular connecting seat 323. Like this, stator 321 passes through annular connecting seat 323 and spiral case 300 inner wall fixed connection, can increase the area of contact of stator 321 and spiral case 300 inner wall, strengthens stator 321's stability, locates the rotor 322 pivoted in-process of stator 321 periphery at the cover, reduces the vibration that rotor 322 rotated the production, improves centrifugal impeller 310 stability when the rotation, reduces the wind dryness.

Optionally, a side wall of the annular connecting seat 323 facing the inner wall of the volute 300 is provided with a damper pad. Like this, stator 321 is in the condition of being connected through annular connecting seat 323 and spiral case 300 inner wall, and the shock pad can be full of the gap between annular connecting seat 323 and the spiral case 300 inner wall, further strengthens stator 321's stability, reduces the vibration that rotor 322 rotation produced, improves centrifugal impeller 310 stability when rotating, reduces the wind dryness.

Optionally, the annular connecting seat 323 is uniformly provided with a plurality of screw holes along the circumference thereof, the inner wall of the volute 300 is uniformly provided with a plurality of bolt holes corresponding to the plurality of screw holes, and the annular connecting seat 323 is fixedly connected with the inner wall of the volute 300 through bolts penetrating through the screw holes and the bolt holes. Therefore, the annular connecting seat 323 is connected with the inner wall of the volute 300 through a plurality of bolts uniformly distributed along the circumference of the annular connecting seat 323, so that the annular connecting seat 323 is supported by the inner wall of the volute 300 more uniformly, the stability of the annular connecting seat 323 is further enhanced, and the support stability of the stator 321 is improved.

Optionally, the centrifugal impeller 310 is provided with a mounting plate 311 at one end, and is fixedly connected with the rotor 322 through the mounting plate 311. Therefore, the centrifugal impeller 310 is fixedly connected with the rotor 322 through the mounting disc 311, the stability of the centrifugal impeller 310 can be enhanced, and under the condition that the rotor 322 drives the centrifugal impeller 310 to rotate, the stress of the centrifugal impeller 310 is more uniform, so that oil smoke is better sucked and removed in the rotating process, and the wind dryness of the centrifugal impeller 310 is reduced.

Optionally, a through hole 312 is formed in the center of the mounting plate 311, and the rotor 322 passes through the through hole 312 and is fixedly connected to the mounting plate 311. Thus, under the condition that the rotor 322 drives the mounting disc 311 to rotate, the driving force from the rotor 322 on the centrifugal impeller 310 is more uniform, the rotation of the centrifugal impeller 310 is more stable, oil smoke is better sucked and removed in the rotating process, and the air dryness of the centrifugal impeller 310 is reduced.

As shown in fig. 5 to 7, in some alternative embodiments, the upper end of the soot passage 200 is disposed in the negative pressure chamber 110, the lower end thereof can be extended out of or retracted into the negative pressure chamber 110, and the lower end of the soot passage 200 is provided with a smoke suction port 210. Thus, when the range hood works, the lower end of the oil smoke channel 200 can extend to a position closer to a cooking bench, so that the smoke suction port 210 arranged at the lower end of the oil smoke channel 200 is positioned in an oil smoke area generated on the cooking bench, and oil smoke is better sucked and removed.

Optionally, the side wall of the soot passage 200 is slidably connected to the side wall of the sub-pressure chamber 110 through a first sliding structure 220. Like this, because oil smoke passageway 200 telescopic setting is in negative pressure chamber 110, consequently with passing through first sliding structure 220 sliding connection between the lateral wall of oil smoke passageway 200 and the lateral wall of negative pressure chamber 110, make oil smoke passageway 200 can be better flexible in negative pressure chamber 110, the flexible regulation of the oil smoke passageway 200 of being convenient for to can be better adjust the distance between smoking mouth 210 and the oil smoke region, improve oil absorption cigarette efficiency.

Optionally, negative pressure chamber 110 includes: a mounting cavity 111 and a receiving cavity 112. The mounting cavity 111 is communicated with the receiving cavity 112; the upper end of the oil smoke passage 200 is disposed in the receiving cavity 112 and is communicated with the receiving cavity 112, and the lower end thereof can extend out of or retract into the receiving cavity 112. Like this, with be divided into installation cavity 111 and accomodate the chamber 112 in the negative pressure chamber 110, can hold the flexible of oil smoke passageway 200 through accomodating the chamber 112, can install the fan through installation cavity 111 and provide the required negative pressure of absorption oil smoke, the oil smoke that is inhaled in the oil smoke passageway 200 can be smooth flow in and accomodate chamber 112 then flow in installation cavity 111, oil smoke passageway 200 can be better accomodate the chamber 112 flexible, thereby can be better adjust the distance between smoking mouth 210 and the oil smoke region, improve oil absorption cigarette efficiency.

Optionally, the volute 300 is fixedly disposed in the mounting cavity 111, and the air inlet end of the volute 300 is disposed toward the receiving cavity 112. Thus, the volute 300 is installed in the installation cavity 111, and the lampblack channel 200 stretches in the containing cavity 112, so that the operation of the centrifugal impeller 310 in the volute 300 and the stretching of the lampblack channel 200 are not interfered with each other, and the stability of the range hood during operation is improved.

Optionally, the side wall of the oil smoke passage 200 is slidably connected to the side wall of the receiving cavity 112 through a first sliding structure 220. Like this, because oil smoke passageway 200 is flexible in accomodating chamber 112, consequently with through first sliding structure 220 sliding connection between the lateral wall of oil smoke passageway 200 and the lateral wall of accomodating chamber 112, make the oil smoke passageway 200 can be better accomodate the intracavity 112 flexible, the flexible regulation of the oil smoke passageway 200 of being convenient for to can be better adjust the distance between smoking mouth 210 and the oil smoke region, improve oil absorption cigarette efficiency.

Optionally, the first sliding structure 220 includes: a first sliding groove 221 and a first clamping seat 222. One of the first sliding groove 221 and the first clamping seat 222 is disposed on a side wall of the receiving cavity 112, and the other is disposed on a side wall of the lampblack channel 200; the first card holder 222 is clamped on the first sliding groove 221 and can slide along the first sliding groove 221. Like this, through the cooperation of first spout 221 and first cassette 222, make the flexible slip of the lateral wall along storage cavity 112 that oil smoke passageway 200 can be more stable, further improve the flexible stability of oil smoke passageway 200 to the regulation that can be better inhales the distance between mouth 210 and the oil smoke region, improve oil absorption cigarette efficiency.

Optionally, a supporting keel 113 is disposed between the mounting cavity 111 and the receiving cavity 112, and the supporting keel 113 is located at a position of a side wall of the receiving cavity 112 slidably connected to the oil smoke passage 200, wherein one of the first sliding groove 221 and the first clamping seat 222 is disposed on the supporting keel 113 and connected to the side wall of the receiving cavity 112 through the supporting keel 113, and the other is disposed on the side wall of the oil smoke passage 200 corresponding to the supporting keel 113. Like this, set up support keel 113 between installation cavity 111 and storage cavity 112, support keel 113 is located the position that storage cavity 112 was equipped with first spout 221 or first cassette 222, support one in first spout 221 and the first cassette 222 through support keel 113, and then support telescopic oil smoke passageway 200, make oil smoke passageway 200 stability when carrying out flexible regulation higher, thereby can be better adjust the distance between smoke absorption mouth 210 and the oil smoke region, improve oil absorption cigarette efficiency.

Optionally, the cigarette maker further comprises: a drive mechanism 400. The driving mechanism 400 includes a motor 410 and a bar-shaped tooth 420, the motor 410 is fixedly disposed on the oil smoke channel 200 and is provided with an output shaft 411, and the output shaft 411 is provided with a gear 412; the bar-shaped teeth 420 are disposed on the inner wall of the negative pressure chamber 110 and are engaged with the gear 412. Like this, set up motor 410 on oil smoke passageway 200, drive gear 412 through motor 410 and move on bar tooth 420 to drive oil smoke passageway 200 flexible, through the mode that gear 412 and bar tooth 420 meshing are connected, make oil smoke passageway 200's drive more stable, further strengthen the flexible stability of oil smoke passageway 200, thereby the regulation that can be better inhales the distance between mouth 210 and the oil smoke region, improve oil absorption cigarette efficiency.

Optionally, a motor base is disposed at the upper end of the oil smoke channel 200, and the motor 410 is fixedly connected to the oil smoke channel 200 through the motor base. Therefore, the motor 410 can better drive the oil smoke channel 200 to stretch, and the stretching stability of the oil smoke channel 200 is improved.

Optionally, a bar tooth 420 is provided on the sidewall of the receiving cavity 112. In this way, since the negative pressure chamber 110 includes the mounting chamber 111 and the receiving chamber 112, and the soot channel 200 is telescopically disposed in the receiving chamber 112, the bar-shaped teeth 420 are disposed on the side wall of the receiving chamber 112, which facilitates the driving mechanism 400 to better drive the soot channel 200 to stretch and retract.

Optionally, the strip-shaped teeth 420 are fixedly disposed on the supporting keel 113, and are connected with the sidewall of the receiving cavity 112 through the supporting keel 113. Thus, as the gear 412 on the motor 410 is meshed with the bar-shaped teeth 420, and under the condition that the oil smoke channel 200 is driven to stretch by the motor 410, the bar-shaped teeth 420 bear the pressure from the gear 412, so that the bar-shaped teeth 420 are fixedly arranged on the supporting keel 113, and the bar-shaped teeth 420 are supported by the supporting keel 113, so that the stability of the oil smoke channel 200 is higher when the oil smoke channel is driven.

Optionally, the bar teeth 420 are disposed along a vertical direction, and a length of the bar teeth 420 along the vertical direction is greater than or equal to a length of the soot channel 200. Like this, because motor 410 is through setting up motor cabinet and oil smoke passageway 200 fixed connection in oil smoke passageway 200 upper end, consequently with the length of the vertical bar tooth 420 that sets up be greater than or equal to the length of oil smoke passageway 200, when oil smoke passageway 200 carries out the flexible regulation, can carry out furthest's expansion, and oil smoke passageway 200 can more comprehensive stretch out and accomodate chamber 112 or retract and accomodate chamber 112, the flexible regulation of oil smoke passageway 200 of being convenient for.

Optionally, the strip-shaped teeth 420 and the first sliding groove 221 or the first clamping seat 222 in the first sliding structure 220 are both located on the same side wall of the supporting keel 113. In this way, the arrangement of the first sliding slot 221 or the first clamping seat 222 and the bar-shaped teeth 420 is facilitated, and the first sliding slot 221 or the first clamping seat 222 and the bar-shaped teeth 420 can be better supported by the supporting keel 113.

Alternatively, the output shaft 411 penetrates through the motor 410, and two gears 412 are disposed at two ends of the output shaft, and two bar-shaped teeth 420 are disposed at two sides of the inner wall of the negative pressure chamber 110. Like this, through the output shaft 411 that sets up through motor 410, and all set up a gear 412 at output shaft 411 both ends, with set up respectively in the meshing connection of the bar tooth 420 of negative pressure chamber 110 inner wall both sides, under the flexible condition of drive oil smoke passageway 200, the output shaft 411 that runs through the drive of motor 410 rotates, thereby drive the gear 412 common power generation at output shaft 411 both ends, drive the motion of oil smoke passageway 200, make oil smoke passageway 200 atress even, the flexible of drive oil smoke passageway 200 that can be more stable, thereby the regulation that can be better inhales the distance between mouth 210 and the oil smoke region, oil absorption cigarette efficiency is improved.

Optionally, the two strip-shaped teeth 420 are respectively disposed at two ends of a side wall of the supporting keel 113, and are connected to the side wall of the accommodating cavity 112 through the supporting keel 113. Like this, because negative pressure cavity 110 includes installation cavity 111 and accomodates chamber 112, and support fossil fragments 113 and be located installation cavity 111 and accomodate between the chamber 112, and be located the position of accomodating chamber 112 and oil smoke passageway 200 sliding connection's a lateral wall, consequently two bar teeth 420 set up respectively at the both ends of supporting fossil fragments 113 a lateral wall, and all be connected with accomodating chamber 112 lateral wall through supporting fossil fragments 113, can be better support two bar teeth 420 through supporting fossil fragments 113, thereby better support oil smoke passageway 200's flexible through supporting fossil fragments 113, improve the flexible stability of oil smoke passageway 200.

Optionally, two sides of the upper end of the oil smoke channel 200 are respectively provided with a shaft seat 413, and two ends of an output shaft 411 penetrating through the motor 410 are respectively extended onto the shaft seats 413 and are rotatably connected with the shaft seats 413. In this way, the shaft seats 413 located on both sides of the upper end of the lampblack channel 200 support both ends of the output shaft 411 penetrating through the motor 410, and when the output shaft 411 is driven by the motor 410 to rotate and drive the gear 412 to rotate, the shaft seats 413 can enhance the stability of both ends of the output shaft 411, so that the output shaft 411 is not prone to tilt, and the telescopic stability of the lampblack channel 200 is further enhanced.

As shown in fig. 8-12, in some alternative embodiments, the upper end of the negative pressure chamber 110 is provided with an air outlet 114, and the air outlet end of the volute 300 is communicated with the outside through the air outlet 114. Therefore, the oil smoke sucked in the volute 300 can be exhausted to the external environment through the air outlet 114, and the oil smoke in the kitchen can be better removed.

Optionally, the volute 300 further comprises: air supply opening 330 and air quantity adjusting device 340. The air volume adjusting device 340 is arranged at one side of the air supply opening 330 and can adjust the air volume of the air supply opening 330. Like this, through the improvement to spiral case 300 structure, set up air supplement opening 330 on spiral case 300, air supplement opening 330 can communicate in with the kitchen, adjust the air output of air supplement opening 330 through air regulation device 340, thereby the amount of wind in the control replenishment kitchen, and then adjust the negative pressure in the kitchen, play the effect that reduces negative pressure in the kitchen, improve through directly spiral case 300 structure, make the air supplement opening 330 that is used for supplementing the air in the kitchen in the spiral case 300 direct with communicate in the kitchen, complicated flue overall arrangement setting has been avoided, simplify the flue structure, the installation of being convenient for, the volume of cigarette machine has been avoided increasing, and can effectively reduce the negative pressure in the kitchen, promote oil absorption cigarette ability.

Alternatively, the air volume adjusting device 340 includes: a movable volute tongue 341 and a driving part 342. One end of the movable volute tongue 341 is rotatably connected with the side wall of the volute 300 at one side of the air supply opening 330 through a rotating shaft 343, and the other end can move in the volute 300; the driving part 342 is connected with the movable volute tongue 341, and can drive the other end of the movable volute tongue 341 to move, so as to adjust the air output of the air supply opening 330. Therefore, the air flow driven by the centrifugal impeller 310 in the volute 300 is guided to the air supply opening 330 by the movable volute tongue 341, and is discharged into a kitchen from the air supply opening 330, air is supplied to the kitchen to reduce the negative pressure in the kitchen, the movable volute tongue 341 can be adjusted by the driving part 342, the air flow quantity guided into the air supply opening 330 by the movable volute tongue 341 is controlled, the negative pressure in the kitchen can be adjusted under different conditions, the negative pressure in the kitchen is in a reasonable range, the influence of the negative pressure in the kitchen on the oil smoke suction efficiency of the range hood is reduced, and the oil smoke suction capacity is improved.

Optionally, the width of the movable volute tongue 341 is the same as the width of the interior of the volute 300. Therefore, the gap between the movable volute tongue 341 and the inner wall of the volute 300 can be reduced, the wind guiding performance of the movable volute tongue 341 can be improved, the airflow can be concentrated to the wind supply port 330 under the dredging effect of the movable volute tongue 341, and the stability of the gas flow in the volute 300 can be improved.

Optionally, the air supply opening 330 is an opening opened on the arc-shaped sidewall of the volute 300, and the movable volute tongue 341 is a baffle structure capable of covering the air supply opening 330. In this way, the air supply opening 330 is formed on the arc-shaped side wall of the volute 300, air can be directly discharged from the air supply opening 330 under the condition that the centrifugal impeller 310 drives the air flow, the air outlet structure is simplified, the movable volute tongue 341 can cover the air supply opening 330, the air supply opening 330 is closed, the air supply opening 330 can be directly closed under the condition that air supply is not needed in a kitchen, oil smoke is directly discharged from the first air outlet, the oil smoke is more conveniently and efficiently discharged, the movable volute tongue 341 in a baffle plate structure can not form air flow obstruction after the air supply opening 330 is covered, a better flow guiding effect is achieved under the condition that the air supply opening 330 is not completely covered, the air supply opening 330 can be better led to the air flow, and the air output of the air supply opening 330 can be controlled.

Optionally, the inner side of the arc-shaped sidewall of the volute 300 at the periphery of the air supply opening 330 is provided with a fixing groove 344, and the shape of the fixing groove 344 is the same as that of the movable volute tongue 341. Therefore, the movable volute tongue 341 can be just embedded into the fixing groove 344 under the condition that the air supplement opening 330 is completely covered, so that the movable volute tongue 341 can be better fixed, and meanwhile, the movable volute tongue 341 is partially or completely retracted into the fixing groove 344, so that the wind resistance generated by the movable volute tongue 341 is reduced, and the overall working efficiency of the range hood is improved.

It is understood that the arcuate sidewall of volute 300 refers to the sidewall of the circumference of volute 300.

Optionally, the movable volute tongue 341 is of an arc-shaped baffle structure, and the arc of the movable volute tongue is the same as the arc of the arc-shaped sidewall of the volute 300. Therefore, the radian of the movable volute tongue 341 is the same as that of the arc-shaped side wall of the volute 300, so that the movable volute tongue 341 can be better attached to the arc-shaped side wall of the volute 300, the air supply opening 330 is sealed, the wind resistance generated by the movable volute tongue 341 is reduced, and the oil smoke absorption capacity is further improved.

Optionally, one end of the movable volute tongue 341 is in a circular arc-shaped chamfer structure. Therefore, the air flow can rapidly pass through one end of the movable volute tongue 341 when the end faces the wind, the wind resistance is reduced, and the movable volute tongue 341 is prevented from vibrating under the blowing action of strong air flow by blowing the end, the stability of the air flow is influenced, and extra noise is generated.

Optionally, the movable volute tongue 341 is made of a high hardness material. For example, a pig iron material may be used. Therefore, the material with higher hardness is not easy to vibrate under the action of the airflow, and the noise generated by vibration can be reduced.

Alternatively, the driving part 342 includes: a push rod structure. One end of the push rod structure is fixed, and the other end of the push rod structure is telescopically movable and connected with the movable volute tongue 341, and can drive the other end of the movable volute tongue 341 to move in the volute 300. Like this, adjust movable snail tongue 341 through the push rod structure, and then change the air output of air supply inlet 330, push rod mechanism has stronger holding power to movable snail tongue 341, can improve the stability of movable snail tongue 341, prevents that the gas velocity of flow from causing the snail tongue unstability too fast, and then influences the stability of air current, guarantees the internal structure stability of spiral case 300, adjusts the negative pressure in the kitchen better, promotes the oil absorption cigarette ability.

Optionally, the putter structure comprises: a fixed portion 345 and a telescoping portion 346. The fixing portion 345 is fixedly connected with the outside of the volute 300, one end of the telescopic portion 346 is limited in the fixing portion 345 to be telescopic, and the other end passes through the volute 300 to be connected with the movable volute tongue 341. Therefore, the fixing portion 345 is connected to the volute 300, and the telescopic portion 346 can drive the movable volute tongue 341 to move relative to the volute 300, so as to adjust the angle between the movable volute tongue 341 and the arc-shaped sidewall of the volute 300, and better control the air outlet of the air supply opening 330.

It can be understood that the push rod structure is a pneumatic telescopic rod or a hydraulic telescopic rod or a motor telescopic rod.

Optionally, the movable volute tongue 341 is further provided with an elastic member 347, and one end of the elastic member 347 is connected with the movable volute tongue 341 and the other end is connected with the volute 300. Therefore, a pulling force can be provided for the movable volute tongue 341, the stability of the movable volute tongue 341 is kept, and the movable volute tongue 341 is prevented from vibrating under the blowing of strong airflow, so that extra noise is generated.

Optionally, an air supply channel 115 is arranged at the lower side of the installation cavity 111, and an air supply opening 330 of the volute 300 is communicated with the interior of the kitchen through the air supply channel 115. Therefore, the air outlet of the air supply opening 330 of the volute 300 enters the kitchen through the air supply channel 115 to adjust the negative pressure in the kitchen, effectively reduce the negative pressure in the kitchen and improve the oil smoke absorption capacity of the range hood.

Optionally, the width of the air supplement channel 115 is the same as the width of the cigarette maker. Therefore, the air outlet width of the air supplement is the same as the width of the range hood, air outlet in an air curtain form is formed, a certain blocking effect is achieved on oil smoke, and the oil smoke absorption efficiency of the range hood is improved.

Optionally, the air supply opening 330 communicates with the air supply passage 115 through the air expansion passage 116. In this way, the air flow blown out from the air supply opening 330 is expanded through the air expansion channel 116, so that the air flow can uniformly pass through the air supply channel 115, and the uniformity and stability of the whole air supply air flow are improved.

Optionally, a soot filtering device 117 is disposed in the air supply passage 115. Therefore, when the range hood works, the lampblack is sucked into the fan, part of the lampblack enters the air supplementing channel 115 through the air supplementing opening 330, and as the oil stain, impurities and the like contained in the airflow discharged by the air supplementing opening 330 are more, the part of the airflow can be filtered and purified through the lampblack filtering device 117, the cleanness of the airflow re-supplemented into the kitchen is kept, and the lampblack is prevented from flowing back into the kitchen, so that the poor air environment in the kitchen is prevented, and the health of a user is influenced.

It is understood that the soot filter 117 may be an activated carbon adsorption plate embedded in the air supply passage 115.

As shown in connection with fig. 13-14, in some embodiments, a cabinet includes: a cabinet 500 and the cigarette machine of the above embodiment. The cabinet 500 defines a mounting space 510 inside, and the mounting space 510 has a first opening 511 toward a lower side; the range hood of the above embodiment is installed in the installation space 510, and one end of the smoke passage 200 may protrude or retract into the installation space 510 through the first opening 511.

Adopt the cupboard that this disclosed embodiment provided, can install the cigarette machine of above-mentioned embodiment and hide in the installation space 510 that cabinet body 500 injectd, reduce the occupation of kitchen space, improve the clean and tidy pleasing to the eye degree in the kitchen, the hidden cigarette machine can pass first opening 511 and stretch out to the position that is closer to the top of a kitchen range at the one end of during operation oil smoke passageway 200, has improved the oil absorption cigarette efficiency of cigarette machine.

Optionally, the cabinet 500 further defines a storage space 520 inside, and the storage space 520 is disposed at the front side of the installation space 510 and is separated from the installation space 510 by a partition. Like this, under the condition of installation cigarette machine can be hidden to installation space 510 in the cabinet body 500, still can carry out the storing in the storing space 520 of the internal 500 of cabinet, improve the space utilization of the cabinet body 500, convenient to use user's use, set up storing space 520 in installation space 510 front side, more convenient to use user's use, and install the cigarette machine relative rear side that is close to the cabinet body 500, it is less to user's culinary art process production influence, keep the rationality of cigarette machine installation, it is also more convenient when the user is from setting up access article in the storing space 520 of front side, and the baffle can reduce the noise in the installation space 510 and spread to one side of storing space 520, noise reduction effect is improved.

Optionally, a load-bearing mounting bracket 512 is disposed at the top end inside the mounting space 510, and a portion of the load-bearing mounting bracket 512 penetrates through the cabinet 500 and is connected to a connecting seat capable of being connected to a wall surface. Like this, pass cabinet body 500 with bearing mounting bracket 512 and utilize the connecting seat on the bearing mounting bracket 512 to be connected with the wall, keep the fixed of bearing mounting bracket 512, be convenient for fix the cigarette machine on bearing mounting bracket 512, improve the stability of cigarette machine installation, reduce the bearing of cabinet body 500, improve the security.

Optionally, the front side of the storage space 520 has a second opening 521, and a cabinet door 522 is disposed on the second opening 521. Like this, storing space 520 is the opening forward, makes the user directly can be by access article in the preceding side storing space 520 to sealed through cabinet door 522 can keep the cleanness in storing space 520, also has certain guard action to the article of storing in storing space 520, prevents that the article of storing from dropping in storing space 520, causes the potential safety hazard.

Optionally, cabinet door 522 is a double-open structure. Like this, reduce the width of single cabinet door 522 through the cabinet door 522 of double open structure, make things convenient for the switch of cabinet door 522.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A range hood, comprising:

a housing (100) defining a negative pressure chamber (110);

it is characterized by also comprising:

one end of the oil fume channel (200) is arranged in the negative pressure cavity (110) and is communicated with the negative pressure cavity (110), and the other end of the oil fume channel can extend out of or retract into the negative pressure cavity (110);

a volute (300) fixedly arranged in the negative pressure cavity (110);

a centrifugal impeller (310) rotatably disposed within the volute (300);

the outer rotor motor (320) comprises a stator (321) and a rotor (322), one end of the stator (321) is fixedly connected with the inner wall of the volute (300), the rotor (322) is rotatably arranged on the periphery of the stator (321), and the centrifugal impeller (310) is arranged on the periphery of the rotor (322) and is fixedly connected with the rotor (322).

2. The machine as claimed in claim 1, wherein one end of the stator (321) fixedly connected with the inner wall of the volute (300) is provided with an annular connecting seat (323), and the stator (321) is fixedly connected with the inner wall of the volute (300) through the annular connecting seat (323).

3. The machine according to claim 2, characterized in that a side wall of the annular connecting seat (323) facing the inner wall of the volute (300) is provided with a shock pad.

4. The machine as claimed in claim 1, wherein the centrifugal impeller (310) is provided with a mounting disc (311) at one end and is fixedly connected with the rotor (322) through the mounting disc (311).

5. The machine as claimed in claim 4, wherein a through hole (312) is formed in the center of the mounting disc (311), and the rotor (322) passes through the through hole (312) and is fixedly connected with the mounting disc (311).

6. A machine as claimed in any one of claims 1 to 5, further comprising:

the driving mechanism (400) comprises a motor (410) and strip-shaped teeth (420), the motor (410) is fixedly arranged on the oil smoke channel (200) and is provided with an output shaft (411), and a gear (412) is arranged on the output shaft (411); the strip-shaped teeth (420) are arranged on the inner wall of the negative pressure cavity (110) and are in meshed connection with the gear (412).

7. The machine as claimed in claim 6, wherein said output shaft (411) penetrates said motor (410), and both ends of said output shaft are provided with said gear (412), and two of said strip-shaped teeth (420) are provided, respectively, on both sides of the inner wall of said negative pressure chamber (110).

8. A cabinet, comprising:

a cabinet (500) defining a mounting space (510) therein, the mounting space (510) having a first opening (511) facing a lower side;

a machine as claimed in any one of claims 1 to 7, mounted in said mounting space (510) and one end of said cooking fume path (200) being extendable through said first opening (511) or retractable into said mounting space (510).

9. The cabinet as claimed in claim 8, wherein a storage space (520) is further defined inside the cabinet body (500), the storage space (520) is disposed at a front side of the installation space (510) and is separated from the installation space (510) by a partition.

10. The cabinet of claim 9, wherein the storage space (520) has a second opening (521) at a front side thereof, and a door (522) is provided on the second opening (521).

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