CN215951523U - Smoke machine and cabinet - Google Patents

Abstract

The application relates to kitchen utensils and appliances technical field, discloses a cigarette machine includes: casing, tonifying wind passageway and flexible wind channel. A negative pressure cavity is arranged in the shell, and an air supplement opening is arranged at the front end of the lower side of the shell; the air supply channel is communicated with the air supply port; one end of the telescopic air duct is arranged in the negative pressure cavity, and the other end of the telescopic air duct can extend out of or retract into the negative pressure cavity. Mend the wind in to the kitchen through the tonifying wind passageway, reduce the negative pressure in the kitchen, and the cigarette machine includes flexible wind channel, make the smoking mouth of cigarette machine can the downdraft, it absorbs to carry out the oil smoke more to be close to the oil smoke, keep suitable distance with the tonifying wind mouth, prevent that the air current of mending from directly being siphoned away by the smoking mouth, and the tonifying wind passageway is through setting up the tonifying wind mouth in to the kitchen in the tonifying wind mouth of casing downside front end, make the tonifying wind mouth can form one wind curtain in the place ahead of casing downside, keep apart the oil smoke, reduce the loss of oil smoke in to the kitchen, improve 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 household appliances, for example to a cigarette making machine and a cabinet.

Background

At present, the cigarette machine has become the essential household electrical appliances in people's life, discharges the oil smoke in the kitchen through the cigarette machine, can make the environment in the kitchen cleaner, is favorable to user's healthy, consequently improves the problem that the oil absorption cigarette efficiency of cigarette machine made the field need solve always, especially in the relatively narrow space of kitchen, because inhaling fast of cigarette machine can cause the interior negative pressure that produces of kitchen, and then reduces the oil absorption cigarette efficiency of cigarette machine.

The smoke exhaust ventilator has the advantages that fresh air is introduced into a kitchen or a flue of the smoke exhaust ventilator is improved in the related technology, partial oil smoke is discharged into the kitchen again after being filtered and purified to reduce negative pressure in the kitchen, the effect of improving oil smoke absorption efficiency is achieved, but an air supplementing opening arranged on the smoke exhaust ventilator in the related technology can only supplement air into the kitchen, negative pressure in the kitchen is reduced, oil smoke absorption efficiency is improved, even if the negative pressure is reduced, the oil smoke absorption efficiency of the smoke exhaust ventilator is still limited, more oil smoke can escape into the kitchen, and environmental pollution in the kitchen is caused.

Therefore, how to further improve the oil smoke absorption efficiency and prevent the oil smoke from dissipating into the kitchen while reducing the negative pressure in the kitchen becomes a problem to be solved urgently at present.

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 dissipation of oil smoke to a kitchen and improve the oil smoke absorption efficiency of the range hood.

In some embodiments, a range hood comprises: casing, tonifying wind passageway and flexible wind channel. A negative pressure cavity is arranged in the shell, and an air supplement opening is arranged at the front end of the lower side of the shell; the air supply channel is communicated with the air supply port; one end of the telescopic air duct is arranged in the negative pressure cavity, and the other end of the telescopic air duct can extend out of or retract into the negative pressure cavity.

The cigarette machine that this disclosed embodiment provided can realize following technological effect:

mend the wind in to the kitchen through the tonifying wind passageway, reduce the negative pressure in the kitchen, and the cigarette machine includes flexible wind channel, make the smoking mouth of cigarette machine can the downdraft, it absorbs to carry out the oil smoke more to be close to the oil smoke, keep suitable distance with the tonifying wind mouth, prevent that the air current of mending from directly being siphoned away by the smoking mouth, and the tonifying wind passageway is through setting up the tonifying wind mouth in to the kitchen in the tonifying wind mouth of casing downside front end, make the tonifying wind mouth can form one wind curtain in the place ahead of casing downside, keep apart the oil smoke, reduce the loss of oil smoke in to the kitchen, improve the oil absorption cigarette efficiency of cigarette machine.

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;

figure 2 is a front view of one cigarette machine provided by embodiments of the present disclosure;

FIG. 3 is a schematic structural diagram of a wind turbine provided in the embodiments of the present disclosure;

FIG. 4 is a partial schematic view of an inner sidewall of the volute at a second air outlet provided by embodiments of the present disclosure;

FIG. 5 is a schematic view of a movable tongue according to an embodiment of the present disclosure;

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

FIG. 7 is a cross-sectional view of a blower provided by embodiments of the present disclosure;

FIG. 8 is an enlarged view of portion A of FIG. 7;

FIG. 9 is a partial schematic view of the inner sidewall of the volute at a second air outlet provided by the disclosed embodiment;

FIG. 10 is a schematic structural diagram of a purge mechanism provided in accordance with an embodiment of the present disclosure;

FIG. 11 is a schematic structural view of the interior of a wind compensating channel provided by the embodiments of the present disclosure;

figure 12 is a schematic diagram of the structure of one cigarette machine provided by embodiments of the present disclosure;

FIG. 13 is a schematic structural diagram of a second drive mechanism provided in accordance with embodiments of the present disclosure;

figure 14 is a schematic diagram of another cigarette machine provided by embodiments of the present disclosure;

FIG. 15 is a schematic view of the connection between the telescopic duct and the weight block according to the embodiment of the present disclosure;

figure 16 is a side view of a machine provided by embodiments of the present disclosure;

figure 17 is a front elevation view of one cigarette machine provided by embodiments of the present disclosure;

fig. 18 is a schematic structural view of a cabinet provided by the disclosed embodiment;

FIG. 19 is a schematic view of a push-pull tab according to an embodiment of the present disclosure;

FIG. 20 is a schematic structural view of a load bearing mount provided by embodiments of the present disclosure;

FIG. 21 is a cross-sectional view of one cabinet provided by an embodiment of the present disclosure;

fig. 22 is a rear view of one cabinet provided by an embodiment of the present disclosure.

Reference numerals:

100. a housing; 101. a wind supplementing channel; 102. a negative pressure chamber; 103. an air supply opening; 104. an air deflector; 105. a smoke evacuation channel; 200. a telescopic air duct; 201. a pulley; 202. a balancing weight; 203. a rope; 204. a first wheel; 205. a second wheel; 206. a smoking port; 207. a smoke baffle; 300. a fan; 301. an air inlet; 302. a first air outlet; 303. a second air outlet; 304. a volute; 305. a centrifugal impeller; 306. a guard ring; 307. a limiting groove; 308. a limiting bulge; 400. a movable volute tongue; 401. a rotating shaft; 402. fixing grooves; 500. a first drive mechanism; 501. a drive motor; 502. a locking mechanism; 503. an annular tooth; 504. positioning teeth; 505. a push rod structure; 506. a fixed part; 507. a telescopic part; 508. an elastic member; 600. a purification mechanism; 601. a fume filtration device; 602. a peculiar smell removing device; 603. a filter element; 604. a microbial treatment device; 605. a condensation baffle sheet; 606. a refrigerating section; 607. collecting tank; 608. a culture dish; 700. a second drive mechanism; 701. a motor; 702. a bar-shaped tooth; 703. an output shaft; 704. a gear; 800. a cabinet body; 801. an installation space; 802. a first opening; 803. a storage space; 804. pushing and pulling the blocking piece; 805. a load bearing mounting frame; 806. a connecting seat; 807. a rectangular frame; 808. a connecting pin; 809. a screw hole; 810. mounting holes; 811. a decorative panel.

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.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

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.

As shown in connection with fig. 1-2, embodiments of the present disclosure provide a range hood comprising: the air supply device comprises a shell 100, an air supply channel 101 and a telescopic air duct 200. A negative pressure cavity 102 is arranged in the shell 100, and an air supplement opening 103 is arranged at the front end of the lower side of the shell 100; the air supplementing channel 101 is communicated with an air supplementing port 103; one end of the telescopic air duct 200 is disposed in the negative pressure chamber 102, and the other end thereof can extend out of or retract into the negative pressure chamber 102.

Adopt the cigarette machine that this disclosed embodiment provided, mend wind in to the kitchen through mend wind passageway 101, reduce the negative pressure in the kitchen, and the cigarette machine includes flexible wind channel 200, make the smoking mouth 206 of cigarette machine can the downlift, it absorbs to carry out the oil smoke more to be close to the oil smoke, keep suitable distance with mend wind mouth 103, prevent that the air current of mending from directly being siphoned away by smoking mouth 206, and mend wind passageway 101 and mend wind to the kitchen through the mend wind mouth 103 that sets up in casing 100 downside front end, make mended wind mouth 103 can form an air curtain in the place ahead of casing 100 downside, keep apart the oil smoke, reduce the loss of oil smoke in to the kitchen, improve the oil absorption cigarette efficiency of cigarette machine.

Optionally, the air supply opening 103 is an opening with a long strip structure, and an air deflector 104 is arranged inside the air supply opening. Like this, the opening that air supplement port 103 was rectangular shape structure can make the air current that blows out by air supplement port 103 form a wider air curtain, and is better keep apart the oil smoke to aviation baffle 104 through the inside aviation baffle that is equipped with of air supplement port 103 carries out the water conservancy diversion to the air current, improves the air supply distance, makes the air curtain more stable, and then the better loss that reduces the oil smoke in to the kitchen improves the oil absorption cigarette efficiency of cigarette machine.

Optionally, the air deflector 104 is movably arranged in the air supply opening 103 and can rotate for adjusting the angle. Like this, the angle that air current was blown out in adjustable supply air mouth 103, and then make the position of air curtain can change, according to the condition of difference, adjusts the position of air curtain, makes that the air curtain can be better keep apart the oil smoke, reduces the loss of oil smoke to in the kitchen.

Optionally, a fan 300 is disposed in the negative pressure cavity 102, and the fan 300 includes: an air inlet 301, a first air outlet 302 and a second air outlet 303. The air inlet 301 is communicated with the negative pressure cavity 102, the first air outlet 302 is communicated with the smoke exhaust channel 105, and the second air outlet 303 is communicated with the air supplementing channel 101. Like this, the oil smoke passes through air intake 301 and gets into fan 300, set up two air outlets on fan 300, be connected first air outlet 302 with exhaust passage 105, arrange most tobacco tar outside the kitchen, reach the effect of getting rid of the oil smoke, communicate second air outlet 303 and tonifying wind passageway 101, negative pressure in the kitchen is adjusted through tonifying wind passageway 101, play the effect that reduces negative pressure in the kitchen, directly improve fan 300 structure in this scheme, the flue overall arrangement setting of complicacy has been avoided, simplify the flue structure, be convenient for install, the volume that increases the cigarette machine has been avoided, and can effectively reduce the negative pressure in the kitchen, promote oil absorption cigarette ability.

Optionally, the fan 300 comprises: a volute 304 and a centrifugal impeller 305. The air inlet 301 is arranged in the axial direction of the volute 304, and the first air outlet 302 and the second air outlet 303 are arranged in the radial direction of the volute 304; a centrifugal impeller 305 is disposed within the volute 304. Like this, flexible wind channel 200 inhales the oil smoke in the cigarette built-in, the oil smoke passes through air intake 301 and gets into spiral case 304, the air current that is driven by centrifugal impeller 305 is dredged to second air outlet 303 department, discharge some oil smoke from second air outlet 303, filter equipment carries out filtration purification with the oil smoke, the oil smoke after being filtered gets back to the kitchen once more, mend the pressure to the kitchen, remaining oil smoke is dredged to first air outlet 302 by centrifugal impeller 305, finally by the cigarette machine arrange outdoor, through the mediation of centrifugal impeller 305 to the oil smoke, can effectively reduce the negative pressure in the kitchen, promote oil absorption cigarette ability.

Referring to fig. 3, optionally, a movable volute tongue 400 is disposed in the volute 304, one end of the movable volute tongue 400 is rotatably connected to the sidewall of the volute 304 on the second air outlet 303 side through a rotating shaft 401, and the other end can move in the volute 304. Therefore, the airflow driven by the centrifugal impeller 305 in the volute 304 is guided to the second air outlet 303 through the movable volute tongue 400 and is discharged into a kitchen through the second air outlet 303, the kitchen is supplemented with air to reduce the negative pressure in the kitchen, the movable volute tongue 400 can move in the volute 304 through the rotating shaft 401, the negative pressure in the kitchen can be adjusted under different conditions, 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 400 is the same as the width of the interior of the volute 304. Therefore, the gap between the movable volute tongue 400 and the inner wall of the volute 304 can be reduced, the air guiding performance of the movable volute tongue 400 is improved, airflow can intensively flow to the second air outlet 303 under the dredging effect of the movable volute tongue 400, and the flowing stability of the air in the fan 300 is improved.

Optionally, the side of the movable volute tongue 400 is provided with a sealing edge. Therefore, the sealing performance between the movable volute tongue 400 and the inner wall of the volute 304 is better, on one hand, the air guide performance of the movable volute tongue 400 is improved, on the other hand, unnecessary noise generated by airflow flowing through a gap can be reduced, in addition, the side edge of the movable volute tongue 400 is contacted with the inner wall of the volute 304 through the sealing edge covering, a fixing effect is formed on the movable volute tongue 400, the stability of the movable volute tongue 400 is improved, and the noise generated by the vibration of the movable volute tongue 400 is reduced.

Optionally, the second air outlet 303 is an opening opened on the arc-shaped sidewall of the scroll 304, and the movable tongue 400 is a baffle structure capable of covering the second air outlet 303. Like this, the second air outlet 303 is seted up on the arc lateral wall of spiral case 304, can directly form the air-out in second air outlet 303 department under the condition that centrifugal impeller 305 drives the air current, simplify the air-out structure, and activity spiral tongue 400 can cover second air outlet 303, close second air outlet 303, can directly close second air outlet 303 under the condition that need not carry out the tonifying wind in the kitchen, directly discharge the oil smoke from first air outlet 302, it is more convenient high-efficient to the emission of oil smoke, and be baffle structure's activity spiral tongue 400, can not form the air current after covering second air outlet 303 and hinder, and have better water conservancy diversion effect under the condition that does not completely cover second air outlet 303, can be with better second air outlet 303 department that leads to of air current, be favorable to controlling the air output of second air outlet 303.

It is understood that the arcuate sidewall of volute 304 refers to the sidewall of the circumference of volute 304.

As shown in fig. 4, optionally, the inner side of the arc-shaped sidewall of the volute 304 at the periphery of the second air outlet 303 is provided with a fixing groove 402, and the shape of the fixing groove 402 is the same as that of the movable volute tongue 400. Therefore, the movable volute tongue 400 can be just embedded into the fixing groove 402 under the condition that the second air outlet 303 is completely covered by the movable volute tongue 400, so that the movable volute tongue 400 is better fixed, and meanwhile, the movable volute tongue 400 is partially or completely retracted into the fixing groove 402, so that the wind resistance generated by the movable volute tongue 400 is reduced, and the overall working efficiency of the fan 300 is improved.

Optionally, the movable volute tongue 400 is an arc-shaped baffle structure, and the arc of the baffle structure is the same as the arc of the arc-shaped side wall of the volute 304. Thus, the radian of the movable volute tongue 400 is the same as that of the arc-shaped side wall of the volute 304, so that the movable volute tongue 400 can be better attached to the arc-shaped side wall of the volute 304, the second air outlet 303 is sealed, the wind resistance generated by the movable volute tongue 400 is reduced, the power of the fan 300 is maintained, and the capacity of sucking oil smoke is further improved.

Optionally, one end of the movable volute tongue 400 is in a circular arc-shaped chamfer structure. Thus, the air flow can rapidly pass through one end of the movable volute tongue 400 when the end faces the wind, wind resistance is reduced, and the movable volute tongue 400 is prevented from vibrating under the blowing action of strong air flow due to the fact that the air flow blows to the end, the stability of the air flow is affected, and extra noise is generated.

Optionally, the thickness of the movable volute tongue 400 is greater than or equal to one-half of the thickness of the arc-shaped sidewall of the volute 304 and less than or equal to twice the thickness of the arc-shaped sidewall of the volute 304. Therefore, the thickness of the movable volute tongue 400 is set within a reasonable range, the movable volute tongue 400 is prevented from being too large, and under the condition that the second air outlet 303 is sealed, too much part of the movable volute tongue 400 is exposed in an air duct in the volute 304 to generate larger wind resistance, so that the working efficiency of the fan 300 is influenced, and the movable volute tongue 400 is prevented from being too small to generate vibration in the process of blowing air flow at a high speed to cause extra noise.

Optionally, the movable volute tongue 400 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.

As shown in connection with figures 5-6, optionally, the cigarette maker further comprises: a first drive mechanism 500. The first driving mechanism 500 is connected to the movable volute tongue 400, and can drive the other end of the movable volute tongue 400 to move, so as to adjust the air output of the second air outlet 303. Therefore, the movable volute tongue 400 can be adjusted through the first driving mechanism 500, so that the air flow of the movable volute tongue 400 introduced to the second air outlet 303 is controlled, the air outlet of the second air outlet 303 is better controlled, the negative pressure in a kitchen is adjusted, and the oil and smoke absorption capacity is improved.

Optionally, the first drive mechanism 500 comprises: the motor 501 is driven. The driving motor 501 is connected with the rotating shaft 401 and can drive the other end of the movable volute tongue 400 to move in the volute 304. Therefore, the motor 701 rotates to directly drive the movable volute tongue 400 to rotate, the angle of the movable volute tongue 400 is adjusted, the air outlet of the second air outlet 303 is better controlled, the negative pressure in a kitchen is adjusted, and the oil smoke suction capacity is improved.

Optionally, a locking mechanism 502 is further provided on the rotating shaft 401, and the locking mechanism 502 is controlled to unlock when the driving motor 501 is started and lock the rotating shaft 401 when the driving motor 501 stops. Therefore, the rotating shaft 401 can be locked after the driving motor 501 adjusts the movable volute tongue 400 to a proper position, so that the position of the movable volute tongue 400 is kept fixed, and the change of the position of the movable volute tongue 400 caused by wind pressure is prevented, and further the normal air outlet is influenced.

Optionally, the locking mechanism 502 comprises: annular teeth 503 and positioning teeth 504. The annular tooth 503 is fixedly arranged on the rotating shaft 401; the positioning tooth 504 is connected to the power unit and it engages with the annular tooth 503 in case of a first position and disengages from the annular tooth 503 in case of a second position.

As shown in connection with fig. 7-9, optionally, the first drive mechanism 500 includes: a pushrod structure 505. One end of the push rod structure 505 is fixed, and the other end is telescopically movable and connected with the movable volute tongue 400, so that the other end of the movable volute tongue 400 can be driven to move in the volute 304. Like this, adjust activity spiral shell tongue 400 through push rod structure 505, and then change the air output of second air outlet 303, push rod structure 505 has stronger holding power to activity spiral shell tongue 400, can improve the stability of activity spiral shell tongue 400, prevents that the gas velocity of flow from causing the spiral shell tongue unstability too fast, and then influences the stability of air current, guarantees fan 300 internal structure and stabilizes, adjusts the negative pressure in the kitchen better, promotes the oil absorption cigarette ability.

Optionally, the pushrod structure 505 comprises: a fixed part 506 and a telescopic part 507. The fixed part 506 is fixedly connected with the outer side of the volute 304, one end of the telescopic part 507 is limited in the fixed part 506 to be telescopic, and the other end of the telescopic part passes through the volute 304 to be connected with the movable volute tongue 400. Thus, the fixing portion 506 is connected to the volute casing 304, and the expansion portion 507 can drive the movable volute tongue 400 to move relative to the volute casing 304, so as to adjust an angle between the movable volute tongue 400 and the arc-shaped sidewall of the volute casing 304, and better control the air outlet of the second air outlet 303.

It is understood that the rod structure 505 is a pneumatic or hydraulic telescoping rod or a motor telescoping rod.

Optionally, the movable volute tongue 400 is further provided with an elastic member 508, and one end of the elastic member 508 is connected with the movable volute tongue 400 and the other end is connected with the volute 304. Thus, a pulling force can be provided for the movable volute tongue 400, the stability of the movable volute tongue 400 is maintained, and the movable volute tongue 400 is prevented from vibrating under the blowing of strong airflow, so that additional noise is generated.

Optionally, a guard ring 306 is disposed on one side of the outer annular surface of the centrifugal impeller 305, a limit groove 307 is disposed on the guard ring 306, and a limit protrusion 308 adapted to the limit groove 307 is disposed on the other end of the movable volute tongue 400. Therefore, under the condition that the movable volute tongue 400 is completely opened relative to the second air outlet 303, the movable volute tongue 400 can be in contact with the guard ring 306, damage caused by collision between the movable volute tongue 400 and the centrifugal impeller 305 is avoided under the action of the guard ring 306, the other end of the movable volute tongue 400 is limited and fixed through the limiting groove 307 on the guard ring 306, the stability of the movable volute tongue 400 in the working process can be improved, the influence of air flow on the movable volute tongue 400 is reduced, and the overall working efficiency of the fan 300 is kept.

Optionally, a guard ring 306 is provided at the edge of the outer annular surface of the centrifugal impeller 305. Thus, the guard ring 306 is disposed at the edge of the centrifugal impeller 305 to protect the centrifugal impeller 305, and the guard ring 306 is prevented from causing wind resistance to the wind output from the centrifugal impeller 305 and affecting the working efficiency of the fan 300.

Alternatively, the guard rings 306 are provided in pairs and are respectively provided on the edges on both sides of the outer annular surface of the centrifugal impeller 305. Thus, the guard rings 306 are disposed on both sides of the centrifugal impeller 305, so that the centrifugal impeller 305 can be protected from both sides of the centrifugal impeller 305, the centrifugal impeller 305 can be further protected, and the movable volute tongue 400 can be supported on both sides, so that the movable volute tongue 400 can be more stably fixed.

Optionally, the guard ring 306 is fixedly connected to the inner wall of the volute 304. In this way, the position of the guard ring 306 can be kept fixed, so as to better protect the centrifugal impeller 305, and meanwhile, the movable volute tongue 400 can be better manufactured, so that the stability of the movable volute tongue 400 is kept.

Optionally, the positions of the first air outlet 302 and the second air outlet 303 are symmetrically arranged with respect to the blower 300. Like this, the wind path overall arrangement after fan 300 installs of being convenient for, first air outlet 302 can upwards directly upwards discharge the oil smoke, and sets up downwards rather than the second air outlet 303 of symmetry setting, can make inside partial air current direct entering kitchen of circulation downwards to the downward replenishment reduces the negative pressure of lampblack absorber downside that can be quick, promotes the oil absorption cigarette efficiency of lampblack absorber during operation.

Optionally, a distance from the leeward end of the first air outlet 302 to the second air outlet 303 is less than or equal to a distance from the windward end of the first air outlet 302 to the second air outlet 303. Therefore, more air flow can be discharged through the second air outlet 303 selectively, the amount of air supply to the kitchen is increased, the negative pressure in the kitchen can be reduced more efficiently, and the oil smoke suction capacity is improved.

As shown in fig. 10 to 11, optionally, a purifying mechanism 600 is disposed in the air supply passage 101. Like this, the oil smoke that is drawn by the cigarette machine partly returns to the kitchen through the air supplement pipeline, reduces the negative pressure in the kitchen, sets up purification mechanism 600 in the air supplement pipeline and can purify the oil smoke in the air supplement passageway 101, prevents that the oil smoke from getting into the kitchen again, and then ensures the cleanness of the oil smoke in the air supplement passageway 101.

Optionally, the purification mechanism 600 comprises: a lampblack filtering device 601 and a peculiar smell removing device 602. The odor removing device 602 is disposed below the soot filtering device 601. Therefore, the air supplementing air flow is filtered through the filtering device, impurities such as oil stains and the like contained in the air supplementing air flow are removed, the cleanness of the air supplementing air flow is kept, and meanwhile, the peculiar smell in the air flow is eliminated through the peculiar smell removing device 602, and the freshness of the air in a kitchen is kept. The odor removing device 602 may be an activated carbon adsorption net, and the odor removing operation is performed on the airflow passing through the odor removing device 602 by using the principle that activated carbon adsorption has an odor removing function.

Optionally, a filter core 603 and a microorganism processing device 604 are arranged in the lampblack filtering device 601. In this way, the airflow discharged from the second air outlet 303 is filtered by the filter element 603, so that the oil smoke and some harmful impurities are filtered out, the oil stain and the impurities are decomposed into harmless substances by the microorganism treatment device 604, the filtered oil stain and the filtered impurities are prevented from being mixed into the airflow again to enter the kitchen, and the cleanness of the air in the kitchen can be kept.

Optionally, the filter core 603 is a condensation filter core 603, and the condensation filter core 603 includes a condensation baffle 605 and a refrigeration portion 606 disposed in the condensation baffle 605. Like this, filter core 603 can carry out the condensation deposit to oil stain and some harmful impurity through the condensation high-efficiently, improve the filter effect to can cool down the air current that filters core 603 to the condensation, prevent that the air current high temperature from leading to the microorganism death in the microorganism processing apparatus 604.

Optionally, the cooling portion 606 cools for a semiconductor. Like this, the less installation in the cigarette machine of being convenient for of semiconductor refrigeration volume to can refrigerate fast, more accord with the cigarette machine and need get into operating condition's demand fast when using.

Alternatively, the microorganism processing apparatus 604 is disposed at the lower side of the filter core 603, and can collect oil stains, impurities, and the like filtered on the filter core 603. Therefore, the impurities such as oil stains and the like filtered on the filter element 603 can better enter the microorganism processing device 604, and the filtered oil stains and the impurities are decomposed by the microorganism processing device 604.

Optionally, the microbiological treatment device 604 includes: collection tank 607, and culture dish 608. The petri dish 608 may be assembled within the collection tank 607, and the aqueous solution is disposed within the collection tank 607. Like this, impurity such as oil stain can be dissolved in the aqueous solution in collecting vat 607 to by the catalytic enzyme catalytic decomposition that the microorganism produced, what culture dish 608 can assemble sets up in collecting vat 607, can regularly change culture dish 608, keeps having sufficient microorganism in the collecting vat 607, keeps the decomposition efficiency to impurity such as oil stain.

Optionally, a negative pressure cavity 102 is formed in the casing 100, the blower 300 is disposed at one side of the negative pressure cavity 102, and the telescopic air duct 200 is telescopically disposed in the negative pressure cavity 102. Like this, when the cigarette machine starts, flexible wind channel 200 exports from negative pressure cavity 102, to the oil smoke entry absorption in the kitchen, the oil smoke that is drawn by flexible wind channel 200 gets into negative pressure cavity 102 through flexible wind channel 200 in to get into fan 300 through the air inlet, finally discharged by fan 300, when the cigarette machine was closed, flexible wind channel 200 contracts into negative pressure cavity 102 in, the whole cigarette machine can be hidden with negative pressure cavity 102 in, reduce the space that the cigarette machine occupied in the kitchen, make the kitchen whole more succinct pleasing to the eye.

As shown in connection with figures 12-13, optionally, the cigarette maker further comprises: a second drive mechanism 700. The second driving mechanism 700 is connected to the telescopic air duct 200 and can drive the telescopic air duct 200 to extend out of or retract into the negative pressure chamber 102. Like this, adopt second actuating mechanism 700 directly to be connected with flexible wind channel 200, drive flexible wind channel 200, can move about the flexible wind channel 200 of direct drive to second actuating mechanism 700 can keep certain fixed power to flexible wind channel 200, prevents that flexible wind channel 200 from receiving external force when using and taking place to rock, influences the normal work in flexible wind channel 200, and then can improve the stability that the cigarette machine used.

Optionally, the second drive mechanism 700 comprises: a motor 701 and a bar tooth 702. The motor 701 is provided with an output shaft 703, and the output shaft 703 is provided with a gear 704; the bar-shaped teeth 702 are connected to the inner side wall of the negative pressure chamber 102 and are in meshing connection with the gear 704. Thus, the output shaft 703 is arranged on the motor 701, the gear 704 is arranged on the output shaft 703, the bar-shaped teeth 702 are meshed with the gear 704, the gear 704 is driven to rotate through the rotation of the output shaft 703 of the motor 701, the gear 704 is driven to move relative to the bar-shaped teeth 702, and then the extension or retraction of the telescopic air duct 200 is driven, the second driving mechanism 700 is more stable and reliable, and can limit the speed of the telescopic air duct 200 when the telescopic air duct 200 extends out of or retracts into the negative pressure cavity 102, so that the telescopic air duct 200 can move more stably, the telescopic air duct 200 can extend out of or retract into the negative pressure cavity 102 more stably, the bar-shaped teeth 702 are meshed with the gear 704, and can limit and protect the telescopic air duct 200 when the telescopic air duct 200 extends out of or retracts into the negative pressure cavity 102, and the telescopic air duct 200 can be stopped at a fixed position.

Optionally, the output shaft 703 penetrates through the motor 701, two ends of the output shaft are provided with a gear 704, and two strip-shaped teeth 702 are provided, and are respectively disposed on two opposite side walls in the negative pressure cavity 102. Like this, output shaft 703 runs through motor 701, and its both ends all are equipped with gear 704, and two gear 704 can make its both sides better atress in flexible wind channel 200, and bar tooth 702 is equipped with two, sets up respectively on the relative both sides wall in negative pressure chamber 102, and two gear 704 on the output shaft 703 correspond two bar teeth 702 respectively, and gear 704 all meshes with bar tooth 702, and the flexible wind channel 200 of drive that can be more stable stretches out or retracts in negative pressure chamber 102.

Optionally, shaft supporting seats are symmetrically arranged on both sides of the telescopic air duct 200, and the output shaft 703 is rotatably connected with the shaft supporting seats. Therefore, the output shaft 703 can be fixed by the shaft support seat, the stability of the output shaft 703 is improved, and the telescopic air duct 200 is driven to extend out of or retract into the negative pressure cavity 102 more stably.

As shown in connection with figures 14-15, optionally, the cigarette maker further comprises: pulley 201 and counterweight 202. The pulley 201 is disposed above the inside of the housing 100; the counterweight 202 is connected with the telescopic air duct 200 through a rope 203, and the rope 203 passes around the pulley 201. Thus, the two ends of the rope 203 are respectively connected with the telescopic air duct 200 and the counterweight block 202, the telescopic air duct 200 at one end of the rope 203 can extend out of or retract into the negative pressure cavity 102 through the rope 203, the counterweight block 202 at the other end of the rope 203 utilizes the counterweight block 202 to counterbalance the telescopic air duct 200, meanwhile, when the telescopic air duct 200 extends out of or retracts into the negative pressure cavity 102, the counterweight block 202 utilizes the weight of the counterweight block to provide a pulling force for the telescopic air duct 200, the pulley 201 is arranged above the inner part of the shell 100, and the rope 203 bypasses the pulley 201, when the telescopic air duct 200 extends out of or retracts into the negative pressure cavity 102, the friction force and the resistance generated by the movement of the rope 203 can be reduced, by the design, the force required when the telescopic air duct 200 extends out of or retracts into the negative pressure cavity 102 can be greatly reduced, the cost is further reduced, and the energy consumption required when the telescopic air duct 200 extends out of or retracts into the negative pressure cavity 102 is greatly reduced, the range hood is more energy-saving and environment-friendly.

Optionally, the weight 202 is made of solid metal. Like this, balancing weight 202 is solid metal material, can reduce balancing weight 202's volume in the at utmost when guaranteeing that balancing weight 202 has sufficient weight, reduces balancing weight 202 occupation space in negative pressure chamber 102, improves space utilization, makes cigarette machine overall structure compacter.

Optionally, the surface of the weight 202 is provided with an oil smoke prevention coating. Like this, the balancing weight 202 surface is equipped with grease proofing cigarette coating, has reduced the oil smoke to the corruption of balancing weight 202, adhesion scheduling problem, prevents to lead to two balancing weights 202 quality inequality because the oil smoke to it is different to the tensile force that makes its production in flexible wind channel 200 both ends, the slope that leads to, skew scheduling problem.

Optionally, two sets of pulleys 201 are provided and located at two sides of the upper portion inside the housing 100, each set of pulleys 201 includes a first pulley 204 and a second pulley 205, the first pulley 204 is disposed above the telescopic air duct 200, the second pulley 205 is disposed above the counterweight 202, and the rope 203 is wound around the upper sides of the first pulley 204 and the second pulley 205. Like this, casing 100 is inside to be equipped with two sets of pulleys 201, and every group pulley 201 is equipped with two, and rope 203 all walks around from two pulley 201 upsides, and every group sets up the area of stress of the increase rope 203 that two pulleys 201 can be better, and is more stable when letting rope 203 drive flexible wind channel 200 and balancing weight 202 motion.

Optionally, the first wheel 204 and the second wheel 205 are disposed on the same horizontal plane. Thus, the rope 203 passes through the first wheel 204 and the second wheel 205, the two ends of the rope are respectively connected with the counterweight block 202 and the telescopic air duct 200, and the first wheel 204 and the second wheel 205 are arranged on the same horizontal plane, so that two uniform stress points can be provided for the rope 203, and the longitudinal space occupation of the first wheel 204 and the second wheel 205 in the negative pressure cavity 102 can be reduced.

Optionally, a vertical tangent of the first wheel 204 passes through the connection point of the cord 203 and the telescoping wind tunnel 200. Therefore, the ropes 203 are kept vertical and are vertically connected with the telescopic air duct 200, so that better force application to the telescopic air duct 200 is facilitated, and the telescopic air duct 200 can be more stably extended out of or enter the negative pressure cavity 102.

Optionally, a vertical tangent of second wheel 205 passes through the point of connection of line 203 and counterweight 202. Therefore, the rope 203 is kept vertical and is vertically connected with the balancing weight 202, so that better tension generation of the balancing weight 202 is facilitated, and the telescopic air duct 200 can be more stable when extending out of or entering the negative pressure cavity 102.

As shown in fig. 16-17, optionally, a smoke suction port 206 is provided at the front side of the lower portion of the telescopic air duct 200, and a smoke barrier 207 is rotatably installed at the side of the smoke suction port 206. Thus, when the cigarette machine is started, the telescopic air duct 200 extends out from the negative pressure cavity 102, the smoke baffle 207 at the side edge of the telescopic air duct 200 after extending out is opened, the smoke baffle 207 can effectively baffle the oil smoke generated during cooking to improve the oil smoke suction efficiency, and the oil smoke can be prevented from obstructing the sight of a user during cooking.

As shown in fig. 18-19, embodiments of the present disclosure also provide a cabinet, including: the cigarette machine of any of the above embodiments.

Optionally, the cabinet comprises: a cabinet 800. The cabinet 800 defines a mounting space 801 inside, and the mounting space 801 has a first opening 802 facing the lower side; the range hood is completely hidden and installed in the installation space 801, and the telescopic air duct 200 can extend out of or retract into the installation space 801. Like this, the cabinet body 800 limits installation space 801, and the cigarette machine is installed in the cabinet body 800, can not occupy too much space in the kitchen, makes the kitchen seem more succinct pleasing to the eye, and installation space 801 has the first opening 802 towards the downside, can make in flexible wind channel 200 stretches out or retraction installation space 801, makes whole cigarette machine can hide in installation space 801, less space in the kitchen that occupies.

Optionally, the cabinet 800 further defines a storage space 803 inside, and the storage space 803 is disposed at the front side of the installation space 801. Like this, can hide the condition of installation cigarette machine in the cabinet body 800 under, still can carry out the storing in the cabinet body 800, improve the space utilization in the cabinet body 800 to store some article that the culinary art process can be used in the position nearer apart from the cigarette machine, the user's of being more convenient for use improves user's experience.

Optionally, the underside of the cabinet 800 is coated with a smoke resistant material. Thus, when the range hood works, the adhesion of oil smoke on the lower side of the cabinet 800 can be prevented, and the cabinet 800 can be kept clean.

Optionally, the lower side of the cabinet 800 is made of glass. Like this, glass material grease proofing dirt ability is stronger, wash easily after being infected with the greasy dirt, and have higher waterproof performance, the user of being convenient for washs the bottom of the cabinet body 800 and cleans, keep the cleanness of the cabinet body 800, and the in-process of cooking in the kitchen still can produce a large amount of steam sometimes, ordinary wooden cigarette machine takes place the damage easily under the erosion of vapor for a long time, adopt glass material's downside, can be better separate vapor, avoid the cigarette machine to receive the erosion of vapor, improve the life of cigarette machine.

Optionally, a push-pull baffle 804 is disposed on one side of the first opening 802, and the push-pull baffle 804 can open or close the first opening 802. Thus, the first opening 802 can be closed by pushing and pulling the blocking piece 804, so that the lower side of the cabinet body 800 forms a whole, and the smoke smell in the interior of the smoke machine can be prevented from diffusing after the first opening 802 is closed, and the air in the kitchen can be kept clean.

Optionally, the push-pull blocking piece 804 is slidably connected to the cabinet body 800, and a push-pull bar-shaped tooth 702 is disposed on the push-pull blocking piece 804, the push-pull bar-shaped tooth 702 is engaged with the push-pull gear 704, and the push-pull gear 704 is connected to the push-pull motor 701, and can drive the push-pull blocking piece 804 to slide. Therefore, the push-pull motor 701 drives the push-pull gear 704 to rotate, the push-pull bar-shaped teeth 702 meshed with the push-pull gear 704 are driven to move by the rotation of the push-pull gear 704, and then the push-pull blocking piece 804 is driven to slide, so that the first opening 802 is opened or closed by the moving position of the push-pull blocking piece 804, when the cigarette machine is opened, the part of the cigarette machine can stretch out better oil smoke through the first opening 802, when the cigarette machine is closed, the oil smoke smell in the cigarette machine is prevented from being diffused, and the air in a kitchen is kept clean.

Optionally, the material of the push-pull blocking piece 804 is the same as that of the lower side of the cabinet 800. Thus, the consistency between the push-pull baffle 804 and the lower side of the cabinet body 800 is maintained, and the overall feeling of the cabinet body 800 is stronger.

As shown in fig. 20-22, optionally, a load-bearing mounting frame 805 is disposed at the top of the interior of the installation space 801, and a portion of the load-bearing mounting frame 805 passes through the cabinet 800 and is connected to a connecting base 806 capable of connecting to a wall surface. Like this, pass cabinet body 800 with bearing mounting bracket 805 and utilize connecting seat 806 on the bearing mounting bracket 805 to be connected with the wall, keep fixed of bearing mounting bracket 805, be convenient for fix the cigarette machine on bearing mounting bracket 805, improve the stability of cigarette machine installation, reduce the bearing of cabinet body 800, improve the security.

Optionally, the load-bearing mounting frame 805 is of a steel beam structure and includes a rectangular frame 807, a connecting pin 808 is disposed on one side of the rectangular frame 807, and the connecting pin 808 penetrates through the cabinet 800 and is connected to the connecting seat 806. Like this, the stability of girder steel structure is better, fixes the cigarette machine through the girder steel structure, can improve the stability of cigarette machine installation to pass cabinet body 800 through rectangular frame 807, only need set up on cabinet body 800 less mouthful supply rectangular frame 807 pass can, keep cabinet body 800's integrality.

Optionally, a screw hole 809 for connecting a cigarette machine is formed in the load-bearing mounting frame 805, and a mounting hole 810 is formed at a position corresponding to the screw hole 809 on the top of the cabinet 800. Like this, be convenient for the cigarette machine to pass through screw hole 809 and fix on bearing mounting bracket 805, and correspond the department at cabinet body 800 top and screw hole 809 position and set up mounting hole 810, be convenient for through mounting hole 810 to the screw fixation, it is fixed with the cigarette machine that the screw passes screw hole 809 conveniently, improve the convenience of installation.

Optionally, a decorative plate 811 is provided on the front side of the top of the cabinet 800, and the decorative plate 811 is flush with the front side of the cabinet 800. Like this, decorative board 811 upper end can be direct and the top contact in kitchen, can shelter from the oil smoke passageway that goes out through decorative board 811 to cabinet 800 top, keeps the wholeness of cigarette machine, makes more neatly pleasing to the eye in the kitchen to decorative board 811 can shield out the noise that oil smoke passageway vibrations produced, has certain noise reduction effect.

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:

the device comprises a shell (100), wherein a negative pressure cavity (102) is arranged in the shell (100), and an air supplementing opening (103) is arranged at the front end of the lower side of the shell (100);

the air supplementing channel (101) is communicated with the air supplementing opening (103);

and one end of the telescopic air duct (200) is arranged in the negative pressure cavity (102), and the other end of the telescopic air duct can extend out of or retract into the negative pressure cavity (102).

2. The machine of claim 1, wherein the air supply opening (103) is an opening of a strip structure, and an air deflector (104) is arranged inside the air supply opening.

3. The machine according to claim 1, characterized in that a blower (300) is arranged in the negative pressure cavity (102), the blower (300) comprises an air inlet (301), a first air outlet (302) and a second air outlet (303), the air inlet (301) is communicated with the negative pressure cavity (102), the first air outlet (302) is communicated with the smoke exhaust channel (105), and the second air outlet (303) is communicated with the air supplement channel (101).

4. A machine as claimed in claim 3, wherein said fan (300) comprises:

a volute (304), wherein the air inlet (301) is arranged in the axial direction of the volute (304), and the first air outlet (302) and the second air outlet (303) are arranged in the radial direction of the volute (304);

a centrifugal impeller (305) disposed within the volute (304).

5. A machine as claimed in claim 4, characterized in that a movable volute tongue (400) is arranged in said volute (304), one end of said movable volute tongue (400) is rotatably connected with the side wall of said volute (304) at one side of said second air outlet (303) through a rotating shaft (401), and the other end can move in said volute (304).

6. The machine as claimed in claim 5, characterized in that one side of the outer ring surface of the centrifugal impeller (305) is provided with a guard ring (306), the guard ring (306) is provided with a limiting groove (307), and the other end of the movable volute tongue (400) is provided with a limiting protrusion (308) matched with the limiting groove (307).

7. A machine as claimed in any one of claims 1 to 6, characterised in that a cleaning mechanism (600) is provided in said air supplement channel (101).

8. A machine as claimed in claim 7, wherein said purifying mechanism (600) comprises:

a smoke filter (601);

and the peculiar smell removing device (602) is arranged at the lower side of the oil fume filtering device (601).

9. A machine as claimed in claim 8, characterized in that said fume filtering device (601) is provided with a filter cartridge (603) and a microbiological treatment device (604).

10. A cabinet including a machine as claimed in any one of claims 1 to 9.

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