CN214891420U - 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 passage, a volute and a centrifugal impeller. 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 vertically arranged in the negative pressure cavity, and the width of the volute on a horizontal line perpendicular to the axial direction of the volute is equal to the width of the negative pressure area; the centrifugal impeller is rotatably arranged in the volute. In this application, can reduce the whole thickness of spiral case and cigarette machine when keeping cigarette machine total amount of wind, the cigarette machine of being convenient for hides the installation, has reduced the occupation in 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 when the 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: the oil smoke exhausting device comprises a shell, an oil smoke passage, a volute and a centrifugal impeller. 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 vertically arranged in the negative pressure cavity, and the width of the volute on a horizontal line perpendicular to the axial direction of the volute is equal to the width of the negative pressure cavity; the centrifugal impeller is rotatably arranged in the volute.

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 set up the spiral case in the negative pressure chamber to make the width of spiral case equal to the width in negative pressure chamber, under the prerequisite that needs kept the cigarette machine amount of wind, increase the diameter that sets up the centrifugal impeller in the spiral case, reduce the ascending thickness of centrifugal impeller axial, thereby the whole thickness of spiral case and cigarette machine has been reduced when keeping the cigarette machine total amount of wind, the cigarette machine of being convenient for hides the installation, the occupation in kitchen space has been reduced, the oil smoke passageway can stretch out and draw back to the position that is closer to the top of a kitchen range more at the cigarette machine during operation, 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 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;

figure 5 is a schematic diagram of another cigarette machine provided by embodiments of the present disclosure;

fig. 6 is a schematic structural diagram of a retractable cover plate provided in the embodiment of the present disclosure;

FIG. 7 is a schematic structural diagram of a negative pressure chamber provided by an embodiment of the present disclosure;

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

FIG. 9 is a schematic structural diagram of an output shaft provided by an embodiment of the present disclosure;

fig. 10 is a schematic structural view of a cabinet provided in the embodiments of the present disclosure;

fig. 11 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 fume channel; 210. a smoking port; 211. a first smoking port; 212. a second 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; 400. a retractable cover plate; 410. a storage section; 420. a first telescopic part; 421. a first rack; 430. a second telescopic part; 431. a second rack; 440. a drive section; 441. a first motor; 442. a second motor; 500. a drive mechanism; 510. a drive motor; 511. an output shaft; 512. a drive gear; 513. a shaft seat; 520. a bar-shaped tooth; 600. a cabinet body; 610. An installation space; 611. a first opening; 612. carrying out load bearing installation; 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 1-4, a range hood, comprises: a housing 100, a soot channel 200, a volute 300 and a centrifugal impeller 310. 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 vertically arranged in the negative pressure cavity 110, and the width of the volute 300 on a horizontal line perpendicular to the axial direction of the volute 300 is equal to the width of the negative pressure cavity 110; a centrifugal impeller 310 is rotatably disposed within the volute 300.

Adopt the cigarette machine that this disclosed embodiment provided, through set up spiral case 300 in negative pressure chamber 110, and make the width of spiral case 300 equal the width in negative pressure chamber 110, under the prerequisite that needs keep the cigarette machine amount of wind, the diameter of the centrifugal impeller 310 of increase setting in spiral case 300, reduce the ascending thickness of centrifugal impeller 310 axial, thereby the whole thickness of spiral case 300 with the cigarette machine has been reduced when keeping the cigarette machine total amount of wind, be convenient for the cigarette machine to hide the installation, the occupation in kitchen space has been reduced, 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.

Optionally, an air outlet 111 is arranged at the upper end of the negative pressure chamber 110, and an air outlet end of the volute 300 is communicated with the outside through the air outlet 111. Therefore, the oil smoke sucked in the volute 300 can be exhausted to the external environment through the air outlet 111, and the oil smoke in the kitchen can be better removed.

Optionally, the cigarette maker further comprises: an outer rotor motor 320. The outer rotor motor 320 is disposed in the volute 300 and is fixedly connected to the centrifugal impeller 310. Like this, under the condition of centrifugal impeller 310's diameter increase, drive centrifugal impeller 310 through outer rotor motor 320 and rotate, can increase the area of outer rotor motor 320 and centrifugal impeller 310 junction, stability when reinforcing centrifugal impeller 310 rotates can also reduce the ascending thickness of spiral case 300 axial, and then reduces the whole thickness of cigarette machine, and the cigarette machine of being convenient for hides the installation, reduces the occupation of kitchen space.

Alternatively, the outer rotor motor 320 includes: 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 sleeved on the outer periphery of the stator 321, and the centrifugal impeller 310 is disposed on the outer periphery of the rotor 322 and fixedly connected with the rotor 322. Like this, set up centrifugal impeller 310 in rotor 322's periphery and with rotor 322 fixed connection, can increase the area of outer rotor motor 320 and centrifugal impeller 310 junction, stability when reinforcing centrifugal impeller 310 rotates, and because stator 321 periphery is located to rotor 322 cover, centrifugal impeller 310 cover is established in rotor 322 periphery, the one end of stator 321 and the inner wall fixed connection of spiral case 300 provide the support to outer rotor motor 320, can reduce outer rotor motor 320's occupation space, 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 in kitchen space.

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 volute 300 inner wall fixed connection, can increase the area of contact of stator 321 and volute 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-dry.

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. 5-6, in some alternative embodiments, the oil smoke channel 200 is provided at the upper end of the negative pressure chamber 110 and is communicated with the negative pressure chamber 110, and the lower end is provided with a rectangular smoke suction port 210. Like this, the smoking mouth 210 of lampblack channel 200 lower extreme 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, has improved the oil absorption cigarette efficiency of cigarette machine, and the regional phase-match of the lampblack that produces on rectangular smoking mouth 210 can and the gas-cooker in addition, better inhales the lampblack in lampblack channel 200, further improves the oil absorption cigarette efficiency.

Optionally, a telescopic cover 400 is disposed in the smoking port 210, and the telescopic cover 400 is disposed in the smoking port 210 to divide the smoking port 210 into a first smoking port 211 and a second smoking port 212. In this way, the telescopic cover plate 400 is arranged in the smoke suction port 210 to divide the smoke suction port 210 into the first smoke suction port 211 and the second smoke suction port 212, and the first smoke suction port 211 and the second smoke suction port 212 can simultaneously suck the oil smoke in the oil smoke area, so that the oil smoke suction effect is improved.

Optionally, the retractable cover 400 can be extended toward the first smoking port 211 and/or the second smoking port 212 to change the smoke intake area of the first smoking port 211 and/or the second smoking port 212. Like this, can change the area of advancing cigarette of first smoking mouth 211 and/or second smoking mouth 212 through flexible of flexible apron 400 according to user's demand at the oil absorption cigarette in-process, and then improve the oil absorption cigarette efficiency of cigarette machine, and flexible apron 400 sets up in smoking mouth 210, has reduced the occupation to kitchen space, the cost is reduced.

Optionally, the retractable cover 400 includes: receiving portion 410, first expansion portion 420, and second expansion portion 430. The storage part 410 is fixedly arranged at the middle position in the smoking port 210 and divides the smoking port 210 into a first smoking port 211 and a second smoking port 212; the first expansion part 420 has one end disposed in the receiving part 410 and the other end extended or retracted into the receiving part 410, and is defined to be extended toward the first smoking port 211; the second expansion part 430 has one end disposed in the receiving part 410 and the other end capable of extending out of or retracting into the receiving part 410, and is defined to extend out toward the second smoking port 212. Like this, separate the smoking port 210 for first smoking mouth 211 and second smoking mouth 212 through the storage part 410, the first pars contractilis 420 that sets up in the storage part 410 can stretch out towards first smoking mouth 211, cover first smoking mouth 211, change the area of advancing the cigarette of first smoking mouth 211, the second pars contractilis 430 that sets up in the storage part 410 can stretch out towards second smoking mouth 212, cover second smoking mouth 212, change the area of advancing the cigarette of second smoking mouth 212, can change the area of advancing the cigarette of first smoking mouth 211 and/or second smoking mouth 212 through the flexible of first pars contractilis 420 and/or second pars contractilis 430 according to user's demand in the oil absorption cigarette process, and then improve the oil absorption cigarette efficiency of cigarette machine. For example, when the concentration of the oil smoke at the first smoke suction port 211 is relatively high and the concentration of the oil smoke at the second smoke suction port 212 is relatively low, the first expansion part 420 is retracted into the containing part 410, the second expansion part 430 extends toward the second smoke suction port 212, so as to reduce the smoke inlet area of the second smoke suction port 212, at this time, the whole flow area of the oil smoke passage 200 is not changed, and the smoke inlet area of the first smoke suction port 211 is not changed, so that the smoke inlet area of the second smoke suction port 212 is reduced, so as to increase the negative pressure at the first smoke suction port 211 and the second smoke suction port 212, and the smoke inlet area of the first smoke suction port 211 is relatively large compared with the smoke inlet area of the second smoke suction port 212, so as to more efficiently suck the high concentration oil smoke at the first smoke suction port 211, and the low concentration oil smoke at the second smoke suction port 212 is also efficiently sucked, thereby improving the whole smoke suction efficiency of the range hood.

Optionally, the receiving portion 410 has a rectangular structure, and the width thereof is matched with the width of the smoking opening 210. In this way, the storage portion 410 provided at the middle position of the smoking port 210 can better divide the smoking port 210 into the first smoking port 211 and the second smoking port 212, and the divided first smoking port 211 and second smoking port 212 are both rectangular, so that the oil smoke in the oil smoke region can be better sucked and removed.

Optionally, the first expansion part 420 and the second expansion part 430 are both rectangular plate-shaped structures and are adapted to the shape of the first smoking port 211 and the second smoking port 212. In this way, since the first smoking port 211 and the second smoking port 212 partitioned by the storage portion 410 are both rectangular structures, the first expansion portion 420 and the second expansion portion 430, both of which are rectangular plate-shaped structures, can better cover the first smoking port 211 and the second smoking port 212 when extending out, and change the smoke inlet areas of the first smoking port 211 and the second smoking port 212, thereby better absorbing and removing the oil smoke in the oil smoke area.

Alternatively, the lengths of the first and second expansion parts 420 and 430 are less than or equal to the length of the receiving part 410. In this way, when the first expansion part 420 and the second expansion part 430 are retracted into the housing part 410, they can be hidden better, and the space occupation can be reduced.

It is understood that the lengths of the receiving portion 410, the first telescopic portion 420 and the second telescopic portion 430 are lengths in the telescopic direction of the first telescopic portion 420 and the second telescopic portion 430, and the width of the receiving portion 410 is a width in the telescopic direction perpendicular to the first telescopic portion 420 and the second telescopic portion 430.

Optionally, the retractable cover 400 further comprises: a driving part 440, a first rack 421 and a second rack 431. The driving part 440 is fixedly disposed in the receiving part 410, and can drive the first expansion part 420 and/or the second expansion part 430 to expand and contract; the first rack 421 is disposed on the sidewall of the first expansion part 420 and connected to the driving part 440; the second rack 431 is disposed on a sidewall of the second telescopic portion 430, and is connected to the driving portion 440. Like this, can drive the flexible of first pars contractilis 420 through drive division 440 and the cooperation of first rack 421, can drive the flexible of second pars contractilis 430 through drive division 440 and the cooperation of second rack 431, can change the area of advancing cigarette of first mouth 211 and/or second mouth 212 according to the flexible of drive division 440 drive first pars contractilis 420 and/or second pars contractilis 430 of user's demand in the oil absorption cigarette process, and then improve the oil absorption cigarette efficiency of cigarette machine.

Alternatively, the driving part 440 includes: a first motor 441 and a second motor 442. The output end of the first motor 441 is provided with a first gear, and the first gear is meshed with the first rack 421; the output end of the second motor 442 is provided with a second gear, and the second gear is meshed with the second rack 431. Like this, the first gear through first motor 441 output cooperates with the first rack 421 that sets up at first pars contractilis 420 lateral wall to drive the flexible of first pars contractilis 420, the second gear through second motor 442 output cooperates with the second rack 431 that sets up at second pars contractilis 430 lateral wall to drive the flexible of second pars contractilis 430, the drive mode of being connected through gear and rack engagement has improved the stability of first pars contractilis 420 and second pars contractilis 430 when flexible, thereby the better shelters from first mouth 211 and the second mouth 212 of smoking through first pars contractilis 420 and second pars contractilis 430, and then improve the oil absorption cigarette efficiency of cigarette machine.

Alternatively, the first rack 421 is disposed along the extending and retracting direction of the first extending and retracting part 420, the second rack 431 is disposed along the extending and retracting direction of the second extending and retracting part 430, and along the extending and retracting direction of the first extending and retracting part 420, the length of the first rack 421 is equal to the length of the first extending and retracting part 420, and the length of the second rack 431 is equal to the length of the second extending and retracting part 430. In this way, since the expansion and contraction of the first expansion and contraction part 420 is driven by the meshing connection between the first gear and the first rack 421, and the expansion and contraction of the second expansion and contraction part 430 is driven by the meshing connection between the second gear and the second rack 431, the length of the first rack 421 is equal to the length of the first expansion and contraction part 420, and the length of the second rack 431 is equal to the length of the second expansion and contraction part 430, so that the first expansion and contraction part 420 and the second expansion and contraction part 430 can be extended or retracted into the storage part 410 to a greater extent, and the first smoking port 211 and the second smoking port 212 can be better shielded or better hidden in the storage part 410.

As shown in fig. 7-9, in some alternative embodiments, the side wall of the soot passage 200 is slidably connected to the side wall of the sub-pressure chamber 110 by 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 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 200 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 200 through accomodating the chamber 113, can install the fan through installation cavity 112 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 113 then flow in installation cavity 112, oil smoke passageway 200 can be better accomodate chamber 113 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 112, and the air inlet end of the volute 300 is disposed toward the receiving cavity 113. Thus, the volute 300 is installed in the installation cavity 112, and the lampblack channel 200 stretches in the containing cavity 113, 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 lampblack channel 200 is slidably connected with the side wall of the receiving cavity 113 through the first sliding structure 220. Like this, because oil smoke passageway 200 is flexible in accomodating chamber 113, 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 113, make the flexible regulation of oil smoke passageway 200 in accomodating chamber 113 that oil smoke passageway 200 can be better to the regulation distance between smoking mouth 210 and the oil smoke region that can be better, 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 113, 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 113 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 114 is disposed between the installation 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 in sliding connection with the lampblack channel 200, wherein one of the first sliding groove 221 and the first clamping seat 222 is disposed on the supporting keel 114 and connected with the side wall of the receiving cavity 113 through the supporting keel 114, and the other is disposed on the side wall of the lampblack channel 200 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 the position that storage cavity 113 was equipped with first spout 221 or first cassette 222, support one in first spout 221 and the first cassette 222 through support keel 114, 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 500. The driving mechanism 500 comprises a driving motor 510 and a bar-shaped tooth 520, the driving motor 510 is fixedly arranged on the lampblack channel 200 and is provided with an output shaft 511, and the output shaft 511 is provided with a driving gear 512; the strip-shaped teeth 520 are arranged on the inner wall of the negative pressure chamber 110 and are meshed with the driving gear 512. Like this, set up driving motor 510 on oil smoke passageway 200, drive gear 512 through driving motor 510 and move on bar tooth 520 to drive oil smoke passageway 200 flexible, through the mode that drive gear 512 and bar tooth 520 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 driving motor 510 is fixedly connected to the oil smoke channel 200 through the motor base. Thus, the driving motor 510 can better drive the oil smoke channel 200 to stretch, and the stability of the oil smoke channel 200 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 200 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 200 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, since the driving gear 512 on the driving motor 510 is meshed with the strip-shaped teeth 520, when the oil smoke channel 200 is driven to extend and retract by the driving motor 510, the strip-shaped teeth 520 bear the pressure from the driving gear 512, so that the strip-shaped teeth 520 are fixedly arranged on the supporting keel 114, and the strip-shaped teeth 520 are supported by the supporting keel 114, so that the stability of the oil smoke channel 200 when being driven is higher.

Optionally, the bar teeth 520 are disposed in a vertical direction, and a length of the bar teeth 520 in the vertical direction is greater than or equal to a length of the soot channel 200. Like this, because driving motor 510 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 520 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 be more comprehensive stretch out and accomodate chamber 113 or retract and accomodate chamber 113, the flexible regulation of the oil smoke passageway 200 of being convenient for promptly.

Optionally, the bar-shaped teeth 520 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 support keel 114. In this way, the arrangement of the first sliding groove 221 or the first clamping seat 222 and the bar-shaped teeth 520 is facilitated, and the first sliding groove 221 or the first clamping seat 222 and the bar-shaped teeth 520 can be better supported by the supporting keel 114.

Alternatively, the output shaft 511 penetrates through the driving motor 510, two ends of the output shaft are provided with a driving gear 512, and two strip-shaped teeth 520 are provided and are respectively arranged on two sides of the inner wall of the negative pressure cavity 110. Like this, through the output shaft 511 that sets up through driving motor 510, and all set up a drive 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 circumstances of drive oil smoke passageway 200, the output shaft 511 that runs through the drive of driving motor 510 rotates, thereby drive gear 512 at output shaft 511 both ends jointly to exert oneself, 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 can be better the regulation distance between smoking mouth 210 and the oil smoke region, improve oil absorption cigarette efficiency.

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 200 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 oil smoke passageway 200's flexible through supporting fossil fragments 114, improve the flexible stability of oil smoke passageway 200.

Optionally, two sides of the upper end of the oil smoke channel 200 are provided with shaft seats 513, and two ends of an output shaft 511 penetrating through the driving motor 510 extend onto the shaft seats 513 and are rotatably connected with the shaft seats 513. Thus, the shaft seats 513 on both sides of the upper end of the oil smoke passage 200 support both ends of the output shaft 511 penetrating the driving motor 510, and when the output shaft 511 is driven by the driving motor 510 to rotate to drive the driving 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 easy to incline, and the telescopic stability of the oil smoke passage 200 is further enhanced.

As shown in connection with fig. 10-11, in some embodiments, a cabinet includes: 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 200 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 at the one end of during operation oil smoke passageway 200, 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 612 is arranged at the top end inside the mounting space 610, and a part of the load-bearing mounting 612 passes through the cabinet 600 and is connected with a connecting seat capable of being connected with a wall surface. Therefore, the bearing installation 612 frame penetrates through the cabinet body 600 and is connected with the wall surface by the connecting seat on the bearing installation 612 frame, the fixation of the bearing installation 612 frame is kept, the cigarette machine is conveniently fixed on the bearing installation 612 frame, the installation stability of the cigarette machine is improved, the bearing of the cabinet body 600 is reduced, and the safety is improved.

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:

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);

the volute (300) is vertically arranged in the negative pressure cavity (110), and the width of the volute (300) on a horizontal line perpendicular to the axial direction of the volute (300) is equal to the width of the negative pressure cavity (110);

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

2. The machine of claim 1, further comprising:

and the outer rotor motor (320) is arranged in the volute (300) and is fixedly connected with the centrifugal impeller (310).

3. The machine according to claim 2, wherein said outer rotor motor (320) comprises:

one end of the stator (321) is fixedly connected with the inner wall of the volute (300);

the rotor (322) is rotatably sleeved on the periphery of the stator (321), and the centrifugal impeller (310) is arranged on the periphery of the rotor (322) and fixedly connected with the rotor (322).

4. The machine of claim 1, wherein the upper end of the lampblack channel (200) is arranged in the negative pressure cavity (110) and communicated with the negative pressure cavity (110), and the lower end is provided with a rectangular smoking port (210).

5. A machine as claimed in claim 4, wherein a retractable cover plate (400) is provided in said smoking port (210), said retractable cover plate (400) being provided in said smoking port (210) to divide said smoking port (210) into a first smoking port (211) and a second smoking port (212).

6. A machine as claimed in claim 5, wherein said retractable cover (400) is extendable towards said first smoking opening (211) and/or said second smoking opening (212) to vary the smoke intake area of said first smoking opening (211) and/or said second smoking opening (212).

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

the driving mechanism (500) comprises a driving motor (510) and strip-shaped teeth (520), the driving motor (510) is fixedly arranged on the oil smoke channel (200) and is provided with an output shaft (511), and a driving 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 meshed with the driving gear (512).

8. The machine as claimed in claim 7, wherein said output shaft (511) penetrates said driving motor (510), and both ends thereof are provided with one said driving gear (512), and two said strip-shaped teeth (520) are provided, respectively, at both sides of the inner wall of said negative pressure chamber (110).

9. 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 8, mounted in said mounting space (610) and one end of said cooking fume path (200) being extendable from or retractable into said mounting space (610) through said first opening (611).

10. The cabinet as claimed in claim 9, 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.

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