CN214891425U - Smoke machine and cabinet - Google Patents

Abstract

The application relates to kitchen utensils and appliances technical field, discloses a cigarette machine, includes: casing, first fan, second fan and oil smoke passageway. The shell defines a negative pressure cavity; the first fan is arranged in the negative pressure cavity; the second fan and the first fan are arranged in the negative pressure cavity side by side and are positioned on the same vertical surface with the first fan, wherein the horizontal heights of the first fan and the second fan are the same; 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. In this application, can further reduce first fan and the ascending thickness of second fan axial when keeping the whole amount of wind of cigarette machine, and then reduce the whole thickness of this 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. The thickness of the range hood is reduced by reducing the axial thickness of the volute and the impeller of the fan in the range hood, so that the range hood is convenient to mount and hide to reduce the space occupation of the range hood.

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 total air quantity of the range hood can be reduced, the oil smoke suction capability is poor, the range hood after being hidden is far away from a cooking bench, and the oil smoke suction efficiency can be reduced.

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 keep the total air volume of the range hood and improve the oil smoke absorption efficiency of the range hood while reducing the overall thickness of the range hood to facilitate hidden installation.

In some embodiments, a range hood comprises: casing, first fan, second fan and oil smoke passageway. The shell defines a negative pressure cavity; the first fan is arranged in the negative pressure cavity; the second fan and the first fan are arranged in the negative pressure cavity side by side and are positioned on the same vertical surface with the first fan, wherein the horizontal heights of the first fan and the second fan are the same; 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.

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:

the first fan and the second fan that set up in the negative pressure intracavity add the whole amount of wind that keeps the cigarette machine when rotating with the amount of wind stack, and set up first fan and second fan side by side and be in on same vertical face, can be when keeping the whole amount of wind of cigarette machine, compare in the fan that sets up single big amount of wind, further reduce first fan and the ascending thickness of second fan axial, and then reduce the whole thickness of this cigarette machine, the cigarette machine of being convenient for hides the installation, reduce occuping of kitchen space, the oil smoke passageway 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.

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 a first fan and a second fan provided in the embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a first external rotor motor provided in the embodiment of the present disclosure;

fig. 4 is a schematic view of a mounting structure of a stator provided in an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a first impeller provided in an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a negative pressure chamber provided by an embodiment of the present disclosure;

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

FIG. 8 is a schematic structural diagram of an output shaft provided by an embodiment of the present disclosure;

fig. 9 is a schematic structural view of a cabinet provided in the embodiments of the present disclosure;

fig. 10 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. an air outlet; 112. a mounting cavity; 113. a receiving cavity; 114. a support keel; 200. a first fan; 210. a first volute; 220. a first impeller; 221. mounting a disc; 222. a through hole; 230. a first outer rotor motor; 231. a stator; 232. a rotor; 233. an annular connecting seat; 300. a second fan; 310. a second volute; 320. a second impeller; 330. a second outer rotor motor; 400. a fume channel; 410. a smoking port; 420. a first sliding structure; 421. a first chute; 422. a first card holder; 500. a drive mechanism; 510. a motor; 511. an output shaft; 512. a gear; 513. a shaft seat; 520. a bar-shaped tooth; 600. a cabinet body; 610. an installation space; 611. a first opening; 612. a load bearing mounting frame; 620. a storage space; 621. a second opening; 622. 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 1-5, a range hood, comprises: the first fan 200, the second fan 300, and the oil smoke passage 400. The housing 100 defines a negative pressure chamber 110; the first fan 200 is arranged in the negative pressure cavity 110; the second fan 300 and the first fan 200 are arranged in the negative pressure cavity 110 side by side and are positioned on the same vertical plane as the first fan 200, wherein the horizontal heights of the first fan 200 and the second fan 300 are the same; one end of the oil smoke passage 400 is disposed in the negative pressure chamber 110 and is communicated with the negative pressure chamber 110, and the other end thereof can extend out of or retract into the negative pressure chamber 110.

Adopt the cigarette machine that this disclosed embodiment provided, can keep the whole amount of wind of cigarette machine through the first fan 200 that sets up in negative pressure chamber 110 and the second fan 300 amount of wind superposition when rotating, and set up first fan 200 and second fan 300 side by side and be in on same vertical face, can be when keeping the whole amount of wind of cigarette machine, compare in the fan that sets up single big amount of wind, can further reduce the ascending thickness of first fan 200 and second fan 300 axial, and then reduce the whole thickness of this cigarette machine, be convenient for the cigarette machine hide the installation, reduce occupation in kitchen space, oil smoke passageway 400 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.

Optionally, the first fan 200 includes a first volute 210 and a first impeller 220, the first impeller 220 is disposed in the first volute 210; the second fan 300 includes a second volute 310 and a second impeller 320, the second impeller 320 is disposed in the second volute 310, wherein the first volute 210 and the second volute 310 are disposed side by side and on the same vertical plane. Like this, through setting up first spiral case 210 and second spiral case 310 side by side in the negative pressure chamber 110, under the condition of cigarette machine work, first impeller 220 in the first spiral case 210 rotates with the second impeller 320 in the second spiral case 310 simultaneously, the amount of wind that produces through first impeller 220 and the simultaneous rotation of second impeller 320 can superpose and keep the whole amount of wind of cigarette machine, and can reduce the thickness of first impeller 220 and second impeller 320 and first spiral case 210 and the axial of second spiral case 310 that corresponds, reduce the whole thickness of this cigarette machine when keeping the oil absorption cigarette efficiency of cigarette machine, be convenient for the cigarette machine to hide the installation.

Optionally, an air outlet 111 is disposed at the upper end of the negative pressure chamber 110, and the air outlet ends of the first volute 210 and the second volute 310 are both communicated with the air outlet 111. In this way, in the process of sucking the oil smoke by the range hood, the oil smoke sucked in the first volute 210 and the second volute 310 can be discharged to the outdoor environment through the air outlet 111, and the oil smoke in the kitchen can be better removed.

Optionally, the air inlet ends of the first volute 210 and the second volute 310 are both communicated with the negative pressure chamber 110. Therefore, in the process of sucking oil smoke by the range hood, the first impeller 220 in the first volute 210 and the second impeller 320 in the second volute 310 rotate simultaneously to generate negative pressure in the first volute 210 and the second volute 310, and because the first volute 210 and the second volute 310 are arranged in the negative pressure chamber 110 side by side and the air inlet end is communicated with the negative pressure chamber 110, the negative pressure generated in the first volute 210 and the second volute 310 is superposed in the negative pressure chamber 110, oil smoke in a kitchen is sucked into the negative pressure chamber 110 through the oil smoke channel 400 under the action of the negative pressure, then enters the first volute 210 and the second volute 310, and is then discharged to the outdoor environment through the air outlet, so that the oil smoke in the kitchen is better removed.

Optionally, on a horizontal line perpendicular to the axial direction of first volute 210 and second volute 310, the sum of the widths of first volute 210 and second volute 310 is equal to the width of negative pressure chamber 110. Like this, make first spiral case 210 and second spiral case 310 that sets up side by side in negative pressure chamber 110 can more fully fill in negative pressure chamber 110, improve the space utilization in negative pressure chamber 110, under the prerequisite that needs keep the whole amount of wind of cigarette machine, increase the diameter that sets up first impeller 220 in first spiral case 210 and set up the second impeller 320 in second spiral case 310, reduce the thickness of first impeller 220 and second impeller 320 axial, and then reduce the thickness of first spiral case 210 and second spiral case 310 axial, thereby further reduced the whole thickness of spiral case and cigarette machine when keeping the whole amount of wind of cigarette machine, be convenient for the cigarette machine to hide the installation, the occupation in kitchen space has been reduced.

Optionally, first fan 200 further includes a first external rotor motor 230, and is driven by first external rotor motor 230; the second fan 300 further includes a second outer rotor motor 330, and is driven by the second outer rotor motor 330. Like this, rotate through first impeller 220 in the first fan 200 of first external rotor motor 230 drive, rotate through the second impeller 320 in the second external rotor motor 330 drive second fan 300, can strengthen first impeller 220 and second impeller 320's drive stability, and can reduce drive installation space 610, further reduce first fan 200 and the ascending thickness of second fan 300 axial, and then reduce the thickness of cigarette machine, the cigarette machine of being convenient for hides the installation, the occupation of kitchen space has been reduced.

Alternatively, first outer rotor motor 230 includes: a stator 231 and a rotor 232. One end of the stator 231 is fixedly connected with the inner wall of the first volute 210; the rotor 232 is rotatably sleeved on the outer periphery of the stator 231, and the first impeller 220 is disposed on the outer periphery of the rotor 232 and fixedly connected with the rotor 232. Like this, set up first impeller 220 in the periphery of rotor 232 and rotor 232 fixed connection, can increase the area of first external rotor motor 230 and first impeller 220 junction, stability when reinforcing first impeller 220 rotates, and because stator 231 periphery is located to rotor 232 cover, first impeller 220 cover is established in the rotor 232 periphery, the one end of stator 231 and the inner wall fixed connection of first spiral case 210 provide the support to first external rotor motor 230, can reduce the occupation space of first external rotor motor 230, reduce the axial ascending thickness of first spiral case 210, and then reduce the thickness of cigarette machine, be convenient for the cigarette machine to hide the installation.

Optionally, one end of the stator 231 fixedly connected to the inner wall of the first volute 210 is provided with an annular connecting seat 233, and the stator 231 is fixedly connected to the inner wall of the first volute 210 through the annular connecting seat 233. Like this, stator 231 passes through annular connecting seat 233 and first spiral case 210 inner wall fixed connection, can increase the area of contact of stator 231 and first spiral case 210 inner wall, and the stability of reinforcing stator 231 reduces the vibration that rotor 232 rotated the production at the rotor 232 pivoted in-process of stator 231 periphery is located to the cover, improves the stability of first impeller 220 when rotating, reduces the wind dryness.

Optionally, a side wall of the annular connecting seat 233 facing the inner wall of the first scroll 210 is provided with a damper pad. Like this, stator 231 is through annular connecting seat 233 and the condition of first spiral case 210 inner wall connection, and the shock pad can be full of the gap between annular connecting seat 233 and the first spiral case 210 inner wall, further strengthens stator 231's stability, reduces the vibration that rotor 232 rotation produced, improves the stability of first impeller 220 when the rotation, reduces the wind dryness.

Optionally, the annular connecting seat 233 is uniformly provided with a plurality of screw holes along the circumference thereof, the inner wall of the first volute 210 is uniformly provided with a plurality of bolt holes corresponding to the plurality of screw holes, and the annular connecting seat 233 and the inner wall of the first volute 210 are fixedly connected by bolts passing through the screw holes and the bolt holes. Thus, the annular connecting seat 233 is connected with the inner wall of the first volute 210 through a plurality of bolts uniformly distributed along the circumference of the annular connecting seat 233, so that the annular connecting seat 233 is supported by the inner wall of the first volute 210 more uniformly, the stability of the annular connecting seat 233 is further enhanced, and the support stability of the stator 231 is improved.

Optionally, a mounting plate 221 is disposed at one end of the first impeller 220, and is fixedly connected to the rotor 232 through the mounting plate 221. Like this, first impeller 220 passes through mounting disc 221 and rotor 232 fixed connection, can strengthen first impeller 220's stability, and under the circumstances of driving first impeller 220 through rotor 232 and rotate, make first impeller 220's atress more even to better in the rotation process with the oil smoke absorption, reduce first impeller 220's wind dryness.

Optionally, a through hole 222 is formed in the center of the mounting plate 221, and the rotor 232 passes through the through hole 222 and is fixedly connected to the mounting plate 221. Thus, when the rotor 232 drives the mounting disc 221 to rotate, the driving force from the rotor 232 on the first impeller 220 is more uniform, and the rotation of the first impeller 220 is more stable, so that the oil smoke is better sucked and removed in the rotation process, and the wind dryness of the first impeller 220 is reduced.

It is understood that the second outer rotor motor 330 has the same structure as the first outer rotor motor 230, and includes a stator and a rotor, and the stator and the rotor of the second outer rotor motor 330 are connected to the second impeller 320 and the second volute 310 in the same manner as the first outer rotor motor 230.

As shown in fig. 6 to 8, in some alternative embodiments, the upper end of the soot passage 400 is disposed in the negative pressure chamber 110, the lower end of the soot passage 400 can be extended or retracted into the negative pressure chamber 110, and the lower end of the soot passage 400 is provided with a smoke suction port 410. Thus, when the range hood works, the lower end of the oil smoke channel 400 can extend to a position closer to a cooking bench, so that the smoke suction port 410 arranged at the lower end of the oil smoke channel 400 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 400 and the side wall of the sub-pressure chamber 110 are slidably connected through a first sliding structure 420. Like this, because oil smoke passageway 400 telescopic setting is in negative pressure chamber 110, consequently with through first sliding structure 420 sliding connection between the lateral wall of oil smoke passageway 400 and the lateral wall of negative pressure chamber 110, make oil smoke passageway 400 can be better flexible in negative pressure chamber 110, the flexible regulation of the oil smoke passageway 400 of being convenient for to can be better adjust the distance between smoking mouth 410 and the oil smoke region, improve oil absorption cigarette efficiency.

Optionally, negative pressure chamber 110 includes: a mounting cavity 112 and a receiving cavity 113. The mounting cavity 112 is communicated with the containing cavity 113; the upper end of the oil smoke passage 400 is disposed in the storage cavity 113 and is communicated with the storage cavity 113, and the lower end thereof can extend out of or retract into the storage cavity 113. Like this, with being divided into installation cavity 112 and accomodating the chamber 113 in the negative pressure chamber 110, can hold the flexible of oil smoke passageway 400 through accomodating the chamber 113, can install the fan through installation cavity 112 and provide the required negative pressure of absorption oil smoke, the inflow that the oil smoke that is inhaled in the oil smoke passageway 400 can be smooth is accomodate the chamber 113 and then flows in installation cavity 112, oil smoke passageway 400 can be better accomodate chamber 113 and stretch out and draw back, thereby can be better adjust the distance between smoking mouth 410 and the oil smoke region, improve oil absorption cigarette efficiency.

Optionally, the first fan 200 and the second fan 300 are disposed in the installation cavity 112 side by side, and the air inlet ends of the first fan 200 and the second fan 300 are both disposed toward the storage cavity 113. Like this, install first fan 200 and second fan 300 in installation cavity 112, and oil smoke passageway 400 is flexible in accomodating chamber 113, makes the operation of first fan 200 and second fan 300 and the flexible noninterference of oil smoke passageway 400, has improved the stability of this cigarette machine during operation.

Optionally, the side wall of the lampblack channel 400 is slidably connected with the side wall of the receiving cavity 113 through the first sliding structure 420. Like this, because oil smoke passageway 400 is flexible in accomodating chamber 113, consequently with through first sliding structure 420 sliding connection between the lateral wall of oil smoke passageway 400 and the lateral wall of accomodating chamber 113, make the oil smoke passageway 400 can be better accomodate the intracavity 113 flexible, the flexible regulation of the oil smoke passageway 400 of being convenient for to the regulation that can be better inhales the distance between mouth 410 and the oil smoke region, improve oil absorption cigarette efficiency.

Optionally, the first sliding structure 420 comprises: a first sliding groove 421 and a first clamping seat 422. One of the first sliding chute 421 and the first clamping seat 422 is disposed on a side wall of the receiving cavity 113, and the other is disposed on a side wall of the oil smoke channel 400; the first clamping seat 422 is clamped on the first sliding groove 421 and can slide along the first sliding groove 421. Like this, through the cooperation of first spout 421 and first cassette 422, make the flexible slip of the lateral wall along accomodating chamber 113 that oil smoke passageway 400 can be more stable, further improve the flexible stability of oil smoke passageway 400 to the regulation that can be better inhales the distance between mouth 410 and the oil smoke region, improve oil absorption cigarette efficiency.

Optionally, a supporting keel 114 is disposed between the mounting cavity 112 and the receiving cavity 113, and the supporting keel 114 is located at a position of a side wall of the receiving cavity 113 slidably connected to the lampblack channel 400, wherein one of the first sliding groove 421 and the first clamping seat 422 is disposed on the supporting keel 114 and connected to the side wall of the receiving cavity 113 through the supporting keel 114, and the other one is disposed on the side wall of the lampblack channel 400 corresponding to the supporting keel 114. Like this, set up support keel 114 between installation cavity 112 and storage cavity 113, support keel 114 is located storage cavity 113 and is equipped with the position of first spout 421 or first cassette 422, support one in first spout 421 and the first cassette 422 through support keel 114, and then support telescopic oil smoke passageway 400, make oil smoke passageway 400 stability when carrying out flexible regulation higher, thereby can be better adjust the distance between smoke absorption mouth 410 and the oil smoke region, improve oil absorption cigarette efficiency.

Optionally, the cigarette maker further comprises: a drive mechanism 500. The driving mechanism 500 includes a motor 510 and a bar-shaped tooth 520, the motor 510 is fixedly disposed on the oil smoke channel 400 and is provided with an output shaft 511, and the output shaft 511 is provided with a gear 512; the strip-shaped teeth 520 are arranged on the inner wall of the negative pressure chamber 110 and are in meshed connection with the gear 512. Like this, set up motor 510 on oil smoke passageway 400, drive gear 512 through motor 510 and move on bar tooth 520 to drive oil smoke passageway 400 flexible, through the mode that gear 512 and bar tooth 520 meshing are connected, make oil smoke passageway 400's drive more stable, further strengthen the flexible stability of oil smoke passageway 400, thereby the regulation that can be better inhales the distance between mouth 410 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 400, and the motor 510 is fixedly connected to the oil smoke channel 400 through the motor base. Thus, the motor 510 can better drive the oil smoke channel 400 to stretch, and the stability of the oil smoke channel 400 to stretch is improved.

Optionally, a bar tooth 520 is provided on the sidewall of the receiving cavity 113. In this way, since the negative pressure chamber 110 includes the mounting chamber 112 and the receiving chamber 113, and the lampblack channel 400 is telescopically disposed in the receiving chamber 113, the strip-shaped teeth 520 are disposed on the side wall of the receiving chamber 113, which facilitates the driving mechanism 500 to better drive the lampblack channel 400 to stretch and retract.

Optionally, the strip-shaped teeth 520 are fixedly disposed on the supporting keel 114 and connected with the sidewall of the receiving cavity 113 through the supporting keel 114. Thus, as the gear 512 on the motor 510 is engaged with the bar-shaped teeth 520, and under the condition that the oil smoke channel 400 is driven to stretch by the motor 510, the bar-shaped teeth 520 bear the pressure from the gear 512, so that the bar-shaped teeth 520 are fixedly arranged on the supporting keel 114, and the bar-shaped teeth 520 are supported by the supporting keel 114, so that the stability of the oil smoke channel 400 when being driven is higher.

Optionally, the bar teeth 520 are disposed along a vertical direction, and a length of the bar teeth 520 along the vertical direction is greater than or equal to a length of the oil smoke passage 400. Like this, because motor 510 is through setting up motor cabinet and oil smoke passageway 400 fixed connection in oil smoke passageway 400 upper end, consequently with the length of the vertical bar tooth 520 that sets up be greater than or equal to the length of oil smoke passageway 400, when oil smoke passageway 400 is adjusted telescopically, can carry out furthest's flexible, oil smoke passageway 400 can be more comprehensive stretch out and accomodate chamber 113 or retract and accomodate chamber 113, the flexible regulation of the oil smoke passageway 400 of being convenient for.

Optionally, the bar-shaped teeth 520 and the first sliding groove 421 or the first clamping seat 422 of the first sliding structure 420 are both located on the same side wall of the supporting keel 114. Thus, the arrangement of the first sliding groove 421 or the first clamping seat 422 and the bar-shaped teeth 520 is facilitated, and the first sliding groove 421 or the first clamping seat 422 and the bar-shaped teeth 520 can be better supported by the supporting keel 114.

Alternatively, the output shaft 511 penetrates through the motor 510, and two gears 512 are disposed at two ends of the output shaft, and two bar-shaped teeth 520 are disposed at two sides of the inner wall of the negative pressure chamber 110. Like this, through the output shaft 511 that sets up through motor 510, and all set up a gear 512 at output shaft 511 both ends, with set up the bar tooth 520 meshing connection in negative pressure chamber 110 inner wall both sides respectively, under the flexible condition of drive oil smoke passageway 400, the output shaft 511 that runs through the drive of motor 510 rotates, thereby drive the gear 512 common power generation at output shaft 511 both ends, drive the motion of oil smoke passageway 400, make oil smoke passageway 400 atress even, the flexible of drive oil smoke passageway 400 that can be more stable, thereby the distance between regulation smoking mouth 410 and the oil smoke region that can be better, oil absorption cigarette efficiency is improved.

Optionally, two strip-shaped teeth 520 are respectively disposed at two ends of a side wall of the supporting keel 114, and are connected to the side wall of the receiving cavity 113 through the supporting keel 114. Like this, because negative pressure cavity 110 includes installation cavity 112 and accomodates chamber 113, and support fossil fragments 114 and be located installation cavity 112 and accomodate between the chamber 113, and be located the position of accomodating chamber 113 and oil smoke passageway 400 sliding connection's a lateral wall, consequently two bar teeth 520 set up respectively at the both ends of supporting fossil fragments 114 a lateral wall, and all be connected with accomodating the chamber 113 lateral wall through supporting fossil fragments 114, can be better support two bar teeth 520 through supporting fossil fragments 114, thereby better support the flexible of oil smoke passageway 400 through supporting fossil fragments 114, improve the flexible stability of oil smoke passageway 400.

Optionally, two sides of the upper end of the oil smoke channel 400 are provided with shaft seats 513, and two ends of an output shaft 511 penetrating through the motor 510 extend onto the shaft seats 513 and are rotatably connected with the shaft seats 513. In this way, the shaft seats 513 located on both sides of the upper end of the soot passage 400 support both ends of the output shaft 511 penetrating the motor 510, and when the output shaft 511 is driven by the motor 510 to rotate and drive the gear 512 to rotate, the shaft seats 513 can enhance the stability of both ends of the output shaft 511, so that the output shaft 511 is not easily inclined, and the expansion stability of the soot passage 400 is further enhanced.

In some embodiments, as shown in conjunction with fig. 9-10, a cabinet comprises: a cabinet 600 and a range hood of the above embodiments. The cabinet 600 defines a mounting space 610 inside, and the mounting space 610 has a first opening 611 toward the lower side; the range hood of the above embodiment is installed in the installation space 610, and one end of the smoke channel 400 may protrude or retract into the installation space 610 through the first opening 611.

Adopt the cupboard that this disclosed embodiment provided, can install the cigarette machine of above-mentioned embodiment and hide in the installation space 610 that the cabinet body 600 injectd, reduce the occupation in kitchen space, improve clean and tidy pleasing to the eye degree in the kitchen, the hidden cigarette machine can pass first opening 611 and stretch out to the position that is closer to the top of a kitchen range in the one end of during operation oil smoke passageway 400, has improved the oil absorption cigarette efficiency of cigarette machine.

Optionally, a storage space 620 is further defined inside the cabinet 600, and the storage space 620 is disposed at the front side of the installation space 610 and is separated from the installation space 610 by a partition. Like this, under the condition of installation cigarette machine can be hidden to installation space 610 in the cabinet body 600, still can carry out the storing in the storing space 620 of the internal 600 of cabinet, improve the space utilization of the cabinet body 600, be convenient for user's use, set up storing space 620 in installation space 610 front side, user's use more convenient, and install the cigarette machine relative rear side that is close to the cabinet body 600, 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 620 of front side, and the baffle can reduce the noise in the installation space 610 to one side diffusion of storing space 620, the effect of making an uproar is reduced.

Optionally, a load-bearing mounting frame 612 is disposed at the top end inside the mounting space 610, and a portion of the load-bearing mounting frame 612 passes through the cabinet 600 and is connected to a connecting seat capable of being connected to a wall surface. Like this, pass cabinet body 600 with bearing mounting bracket 612 and utilize the connecting seat on the bearing mounting bracket 612 to be connected with the wall, keep bearing mounting bracket 612 fixed, be convenient for fix the cigarette machine on bearing mounting bracket 612, improve the stability of cigarette machine installation, reduce the bearing of cabinet body 600, improve the security.

Optionally, the front side of the storage space 620 has a second opening 621, and a cabinet door 622 is disposed on the second opening 621. Like this, storing space 620 is the opening forward, makes the user directly can be by access article in the preceding side storing space 620 to sealed through cabinet door 622 can keep the cleanness in storing space 620, also has certain guard action to the article of storing in storing space 620, prevents that the article of storing from dropping in storing space 620, causes the potential safety hazard.

Optionally, the cabinet door 622 is a double-open structure. Like this, reduce the width of single cabinet door 622 through the cabinet door 622 of double open structure, make things convenient for the switch of cabinet door 622.

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:

a first fan (200) arranged in the negative pressure cavity (110);

the second fan (300) and the first fan (200) are arranged in the negative pressure cavity (110) side by side and are positioned on the same vertical plane with the first fan (200), wherein the horizontal heights of the first fan (200) and the second fan (300) are the same;

and one end of the oil fume channel (400) 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).

2. The machine of claim 1, wherein the first fan (200) comprises a first volute (210) and a first impeller (220), the first impeller (220) being disposed within the first volute (210); the second fan (300) comprises a second volute (310) and a second impeller (320), the second impeller (320) is arranged in the second volute (310), and the first volute (210) and the second volute (310) are arranged side by side and on the same vertical plane.

3. The machine as claimed in claim 2, wherein an air outlet (111) is arranged at the upper end of the negative pressure chamber (110), and the air outlet ends of the first volute (210) and the second volute (310) are communicated with the air outlet (111).

4. The machine of claim 2, wherein the air inlet ends of the first volute (210) and the second volute (310) are both communicated with the negative pressure chamber (110).

5. The machine according to claim 1, wherein said first fan (200) further comprises a first outer rotor motor (230) and is driven by said first outer rotor motor (230); the second fan (300) further includes a second outer rotor motor (330), and is driven by the second outer rotor motor (330).

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

the driving mechanism (500) comprises a motor (510) and strip-shaped teeth (520), the motor (510) is fixedly arranged on the oil smoke channel (400) and is provided with an output shaft (511), and a gear (512) is arranged on the output shaft (511); the strip-shaped teeth (520) are arranged on the inner wall of the negative pressure cavity (110) and are in meshed connection with the gear (512).

7. A machine as claimed in claim 6, characterized in that said output shaft (511) extends through said motor (510), and two of said gears (512) are provided at each end thereof, and two of said strip-shaped teeth (520) are provided at each side of the inner wall of said negative pressure chamber (110).

8. A cabinet, comprising:

a cabinet (600) defining a mounting space (610) therein, the mounting space (610) having a first opening (611) facing a lower side;

a machine as claimed in any one of claims 1 to 7, mounted in said mounting space (610) and one end of said cooking fume duct (400) being extendable from or retractable into said mounting space (610) through said first opening (611).

9. The cabinet as claimed in claim 8, wherein a storage space (620) is further defined inside the cabinet body (600), the storage space (620) is disposed at a front side of the installation space (610) and is separated from the installation space (610) by a partition.

10. The cabinet of claim 9, wherein the storage space (620) has a second opening (621) at a front side thereof, and a door (622) is provided on the second opening (621).

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