CN214891423U - Smoke machine - Google Patents

Abstract

The application relates to kitchen utensils and appliances technical field, discloses a cigarette machine includes: casing, fan, smoking passageway, exhaust passage, tonifying wind passageway and purification mechanism. The fan is arranged in the shell and is provided with an air inlet, a first air outlet and a second air outlet; the smoking channel is communicated with the air inlet; the smoke exhaust channel is communicated with the first air outlet; the air supplementing channel is communicated with the second air outlet; the purification mechanism is arranged in the air supplementing channel. Through the improvement to the fan structure, set up two air outlets on the fan, can with second air outlet wherein and kitchen in the intercommunication, adjust the negative pressure in the kitchen, play the effect that reduces negative pressure in the kitchen, because oil stain and impurity etc. that contain in the second air outlet combustion gas stream are more, can carry out filtration purification to this part air current through purifying mechanism, keep the cleanness of the air current of mending the kitchen again, prevent that the oil smoke from flowing back into the kitchen.

Description

Smoke machine

Technical Field

The application relates to the technical field of household appliances, for example to a cigarette machine.

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 oil absorption cigarette efficiency of cigarette machine and is the problem that the field needs the solution 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.

In the related art, fresh air is introduced into a kitchen or a flue of the range hood is improved, so that partial oil smoke is filtered and purified and then is discharged into the kitchen again to reduce negative pressure in the kitchen, and the effect of improving the oil smoke absorption efficiency is achieved.

Therefore, how to simplify the structure and reduce the cost, and reduce the negative pressure in the kitchen and improve the oil smoke absorption efficiency becomes a problem to be solved urgently at present.

Disclosure of Invention

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 to avoid complicated flue overall arrangement setting, simplify the flue structure, the installation of being convenient for has avoided increasing the volume of cigarette machine, can effectively reduce the negative pressure in the kitchen, promotes the oil absorption cigarette ability of cigarette machine.

In some embodiments, a range hood comprises: casing, fan, smoking passageway, exhaust passage, tonifying wind passageway and purification mechanism. The fan is arranged in the shell and is provided with an air inlet, a first air outlet and a second air outlet; the smoking channel is communicated with the air inlet; the smoke exhaust channel is communicated with the first air outlet; the air supplementing channel is communicated with the second air outlet; the purification mechanism is arranged in the air supplementing channel.

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

through the improvement to the fan structure, set up two air outlets on the fan, can be with intercommunication in second air outlet wherein and the kitchen, adjust the negative pressure in the kitchen, play the effect that reduces negative pressure in the kitchen, because oil stain and impurity etc. that contain in the second air outlet combustion gas stream are more, can filter this part air current through purifying mechanism and purify, keep the clean of the air current of mending the kitchen again, prevent that the oil smoke from flowing back into the kitchen, direct improvement to the fan structure in this scheme, make the second air outlet that is used for mending the wind in the kitchen in the fan directly with communicate in the kitchen, the flue overall arrangement that has avoided complicacy sets up, simplify the flue structure, the installation of being convenient for, the volume that has avoided increasing the cigarette machine, and can effectively reduce the negative pressure in the kitchen, promote oil absorption cigarette ability.

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 front exploded view of a cigarette maker provided by embodiments of the present disclosure;

FIG. 2 is a schematic structural diagram of a wind turbine provided in the embodiments of the present disclosure;

FIG. 3 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. 4 is a schematic view of a movable tongue according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a locking mechanism provided by embodiments of the present disclosure;

FIG. 6 is a cross-sectional view of a wind turbine provided in accordance with an embodiment of the present disclosure;

FIG. 7 is an enlarged view of portion A of FIG. 6;

FIG. 8 is a schematic structural diagram of a purge mechanism provided in accordance with an embodiment of the present disclosure;

FIG. 9 is a schematic structural view of the interior of a wind compensating channel according to an embodiment of the present disclosure;

figure 10 is a schematic diagram of the structure of one cigarette machine provided by embodiments of the present disclosure;

FIG. 11 is a schematic view of a connection between a telescopic duct and a weight member according to an embodiment of the present disclosure;

figure 12 is a schematic diagram of another cigarette machine configuration provided by an embodiment 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 side view of a machine provided by embodiments of the present disclosure;

figure 15 is a front view of one cigarette machine provided by embodiments of the present disclosure.

Reference numerals:

100. a housing; 101. a smoke evacuation channel; 102. a wind supplementing channel; 103. a negative pressure chamber; 104. an air inlet; 105. a first air outlet; 106. a second air outlet; 107. fixing the volute tongue; 200. a fan; 201. a volute; 202. a centrifugal impeller; 203. a guard ring; 204. a limiting groove; 205. a limiting bulge; 300. a smoking channel; 301. a pulley; 302. a balancing weight; 303. a rope; 304. a first wheel; 305. a second wheel; 306. a smoking port; 307. a smoke baffle; 400. a movable volute tongue; 401. a rotating shaft; 402. fixing grooves; 403. a locking mechanism; 404. an annular tooth; 405. positioning teeth; 406. an elastic member; 500. a first drive mechanism; 501. a drive motor; 502. a push rod structure; 503. a fixed part; 504. a telescopic part; 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.

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. 1-3, embodiments of the present disclosure provide a range hood comprising: the device comprises a shell 100, a fan 200, a smoking channel 300, a smoke exhaust channel 101, an air supplementing channel 102 and a purifying mechanism 600. The fan 200 is disposed in the casing 100, and is provided with an air inlet 104, a first air outlet 105 and a second air outlet 106; the smoking channel 300 is communicated with the air inlet 104; the smoke evacuation channel 101 is communicated with the first air outlet 105; the air supplementing channel 102 is communicated with the second air outlet 106; the purification mechanism 600 is disposed in the air supply passage 102.

By adopting the cigarette making machine provided by the embodiment of the disclosure, through improving the structure of the fan 200, two air outlets are arranged on the fan 200, the second air outlet 106 can be communicated with the interior of the kitchen to adjust the negative pressure in the kitchen, thereby achieving the effect of reducing the negative pressure in the kitchen, because the oil stain and impurity etc. that contain in the second air outlet 106 combustion gas stream are more, can filter this part air current through purification mechanism 600 and purify, keep the cleanness of the air current in the kitchen of mending again, prevent that the oil smoke from flowing back into the kitchen, directly improve the fan 200 structure in this scheme, make second air outlet 106 that is used for in the fan 200 to mend the wind in the kitchen directly communicate in with the kitchen, complicated flue overall arrangement setting has been avoided, simplify the flue structure, be convenient for install, the volume that has avoided increasing the cigarette machine, and can effectively reduce the negative pressure in the kitchen, promote oil absorption cigarette ability.

Alternatively, the smoke evacuation channel 101 is disposed on the upper side of the casing 100, and has one end communicating with the first air outlet 105 and the other end communicating with the outside. Therefore, the fan 200 is used for guiding the oil smoke to the first air outlet 105, and the oil smoke is finally discharged to the outdoor through the smoke exhaust channel 101 connected with the first air outlet 105, so that the interior of a kitchen is kept clean and tidy.

Optionally, an air supply opening is disposed at a front end of the lower side surface of the casing 100, an air supply channel 102 is disposed below the inside of the casing, and one end of the air supply channel is communicated with the second air outlet 106, and the other end of the air supply channel is communicated with the air supply opening. Therefore, a part of oil smoke enters the air supplementing channel 102 through the second air outlet 106, is filtered and purified by the purifying mechanism 600, and finally returns to the kitchen through the air supplementing opening on the lower side of the range hood, so that the negative pressure of the kitchen is reduced, the oil smoke absorption efficiency of the range hood is improved, the blown air supplementing air flow can also block the oil smoke, and the loss of the oil smoke is reduced.

Optionally, the fan 200 comprises: a volute 201 and a centrifugal impeller 202. The air inlet 104 is arranged in the axial direction of the volute 201, and the first air outlet 105 and the second air outlet 106 are arranged in the radial direction of the volute 201; a centrifugal impeller 202 is disposed within the volute 201. Like this, the smoking passageway 300 inhales the oil smoke in the cigarette machine, the oil smoke passes through air intake 104 and gets into spiral case 201, the air current that is driven by centrifugal impeller 202 is dredged to second air outlet 106 department, discharge some oil smoke from second air outlet 106, 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 105 by centrifugal impeller 202, finally by the cigarette machine arrange outdoor, through the mediation of centrifugal impeller 202 to the oil smoke, can effectively reduce the negative pressure in the kitchen, promote oil absorption cigarette ability.

Optionally, a movable volute tongue 400 is arranged in the volute 201, one end of the movable volute tongue 400 is rotatably connected with the side wall of the volute 201 on one side of the second air outlet 106 through a rotating shaft 401, and the other end of the movable volute tongue 400 can move in the volute 201. Like this, dredge the air current that is driven by centrifugal impeller 202 in the spiral case 201 to second air outlet 106 department through activity volute tongue 400, arrange to the kitchen in by second air outlet 106, supply qi and then reduce the negative pressure in the kitchen to the kitchen, and activity volute tongue 400 can be in spiral case 201 activity through pivot 401, can adjust the negative pressure in the kitchen under the different circumstances, reduce the influence of negative pressure to the range hood oil absorption cigarette efficiency in the kitchen, promote oil absorption cigarette ability.

Optionally, the width of the movable volute tongue 400 is the same as the width of the interior of the volute 201. Therefore, the gap between the movable volute tongue 400 and the inner wall of the volute 201 can be reduced, the air guiding performance of the movable volute tongue 400 is improved, airflow can intensively flow to the second air outlet 106 under the dredging effect of the movable volute tongue 400, and the flowing stability of the air in the fan 200 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 201 can be 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 gaps can be reduced, in addition, the side edge of the movable volute tongue 400 is contacted with the inner wall of the volute 201 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 106 is an opening opened on the arc-shaped sidewall of the scroll 201, and the movable tongue 400 is a baffle structure capable of covering the second air outlet 106. Like this, the second air outlet 106 is seted up on the arc lateral wall of spiral case 201, can directly form the air-out in second air outlet 106 department under the condition that centrifugal impeller 202 drove the air current, simplify the air-out structure, and activity spiral tongue 400 can cover second air outlet 106, close second air outlet 106, can directly close second air outlet 106 under the condition that need not carry out the tonifying wind in the kitchen, directly discharge the oil smoke from first air outlet 105, it is more convenient high-efficient to the emission of oil smoke, and be the activity spiral tongue 400 of baffle structure, can not form the air current after covering second air outlet 106 and hinder, and have better water conservancy diversion effect under the condition that incompletely covers second air outlet 106, can be with better second air outlet 106 department that leads to of air current, be favorable to controlling the air output of second air outlet 106.

It is understood that the arcuate sidewall of the volute 201 refers to the sidewall of the circumference of the volute 201.

As shown in fig. 3, optionally, the inner side of the arc-shaped sidewall of the volute 201 at the periphery of the second air outlet 106 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 movable volute tongue 400 completely covers the second air outlet 106, 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 200 is improved.

Optionally, the movable volute tongue 400 is of 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 201. Therefore, the radian of the movable volute tongue 400 is the same as that of the arc-shaped side wall of the volute 201, so that the movable volute tongue 400 can be better attached to the arc-shaped side wall of the volute 201, the second air outlet 106 is sealed, the wind resistance generated by the movable volute tongue 400 is reduced, the power of the fan 200 is maintained, and the oil smoke suction capacity 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 201 and less than or equal to twice the thickness of the arc-shaped sidewall of the volute 201. 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 an excessive part is exposed in an air duct in the volute 201 to generate a large wind resistance under the condition of closing the second air outlet 106, so that the working efficiency of the fan 200 is influenced, and the movable volute tongue 400 is also prevented from being too small in thickness 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 4-5, 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 106. Therefore, the movable volute tongue 400 can be adjusted by the first driving mechanism 500, so that the air flow of the movable volute tongue 400 introduced into the second air outlet 106 is controlled, the air outlet of the second air outlet 106 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 201. 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 106 is better controlled, the negative pressure in a kitchen is adjusted, and the oil smoke suction capacity is improved.

Optionally, a locking mechanism 403 is further provided on the rotating shaft 401, and the locking mechanism 403 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 403 comprises: an annular tooth 404 and a locating tooth 405. The annular teeth 404 are fixedly arranged on the rotating shaft 401; the positioning teeth 405 are connected to the power unit and engage with the annular teeth 404 in the case of a first position and disengage from the annular teeth 404 in the case of a second position.

As shown in connection with fig. 6-7, optionally, the first drive mechanism 500 includes: a pushrod structure 502. One end of the push rod structure 502 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 201. Like this, adjust activity snail tongue 400 through putter structure 502, and then change the air output of second air outlet 106, putter structure 502 has stronger holding power to activity snail tongue 400, can improve the stability of activity snail tongue 400, prevents that the gas velocity of flow from causing the snail tongue unstability too fast, and then influences the stability of air current, guarantees that fan 200 internal structure is stable, adjusts the negative pressure in the kitchen better, promotes the oil absorption cigarette ability.

Optionally, the putter structure 502 includes: a fixed part 503 and an extendable part 504. The fixed part 503 is fixedly connected with the outer side of the volute 201, one end of the telescopic part 504 is limited in the fixed part 503 to be telescopic, and the other end of the telescopic part passes through the volute 201 to be connected with the movable volute tongue 400. Thus, the fixing portion 503 is connected to the volute 201, and the expansion portion 504 can drive the movable volute tongue 400 to move relative to the volute 201, so as to adjust an angle between the movable volute tongue 400 and the arc-shaped sidewall of the volute 201, and better control the air outlet of the second air outlet 106.

It is understood that the pusher structure 502 is a pneumatically or hydraulically or electrically powered telescoping rod.

Optionally, the movable volute tongue 400 is further provided with an elastic member 406, and one end of the elastic member 406 is connected with the movable volute tongue 400 and the other end is connected with the volute 201. 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 203 is disposed on one side of the outer annular surface of the centrifugal impeller 202, a limit groove 204 is disposed on the guard ring 203, and a limit protrusion 205 adapted to the limit groove 204 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 106, the movable volute tongue 400 can be in contact with the protective ring 203, damage caused by collision between the movable volute tongue 400 and the centrifugal impeller 202 is avoided under the action of the protective ring 203, the other end of the movable volute tongue 400 is limited and fixed through the limiting groove 204 on the protective ring 203, 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 200 is kept.

Optionally, a guard ring 203 is provided at the edge of the outer annular surface of the centrifugal impeller 202. Thus, the protective ring 203 is arranged at the edge of the centrifugal impeller 202 to protect the centrifugal impeller 202, and the protective ring 203 can be prevented from causing wind resistance to the air outlet of the centrifugal impeller 202 to affect the working efficiency of the fan 200.

Alternatively, the guard rings 203 are provided in pairs and are provided on the edges of both sides of the outer annular surface of the centrifugal impeller 202, respectively. Thus, the guard rings 203 are arranged on the two sides of the centrifugal impeller 202, so that the centrifugal impeller 202 can be protected from the two sides of the centrifugal impeller 202, the centrifugal impeller 202 is further protected, the two sides of the movable volute tongue 400 can be supported, and the movable volute tongue 400 can be fixed more stably.

Optionally, the guard ring 203 is fixedly connected with the inner wall of the volute 201. Thus, the position of the guard ring 203 can be kept fixed, the centrifugal impeller 202 can be better protected, the movable volute tongue 400 can be better manufactured, and the stability of the movable volute tongue 400 can be kept.

Optionally, the positions of the first air outlet 105 and the second air outlet 106 are symmetrically arranged with respect to the blower 200. Like this, the wind path overall arrangement after fan 200 installation of being convenient for, first air outlet 105 can upwards directly upwards discharge the oil smoke, and set up downwards rather than the second air outlet 106 that the symmetry set up, 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 between the leeward end of the first air outlet 105 and the second air outlet 106 is less than or equal to a distance between the windward end of the first air outlet 105 and the second air outlet 106. Therefore, more air flow can be discharged through the second air outlet 106, 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.

Optionally, a fixed volute tongue 107 is also provided in the volute 201. The distance between the fixed volute tongue 107 and the movable volute tongue 400 on the volute 201 in the rotating direction of the centrifugal impeller 202 is greater than or equal to half of the circumference of the volute 201. Therefore, the fixed volute tongue 107 can guide the airflow to the first air outlet and the airflow is discharged from the first air outlet 105, and the distance between the fixed volute tongue 107 and the movable volute tongue 400 in the rotating direction of the centrifugal impeller 202 is greater than or equal to half of the perimeter of the volute 201, so that the movable volute tongue 400 can be positioned at the upper air end of the fixed volute tongue 107, and the movable volute tongue 400 can cut off the airflow positioned at the upper air end and enable the airflow to pass through the second air outlet 106, so that the longer the distance between the upper air ends of the movable volute tongue 400 is, the larger the air output amount of the second air outlet 106 can be passed through, the air output amount of the second air outlet 106 can be increased by arranging the movable volute tongue 400, the air supplementing capability is improved, the effect of reducing the negative pressure of a kitchen is better achieved, and the oil smoke suction capability is improved.

It is understood that the distance between the fixed volute tongue 107 and the movable volute tongue 400 refers to the distance from the connection point of the movable volute tongue 400 and the volute 201 to the fixed volute tongue 107 along the arc-shaped sidewall of the volute 201.

Optionally, the connection point of the movable volute tongue 400 and the volute 201 is located on the side of the leeward end of the second air outlet 106. Therefore, when the movable volute tongue 400 is opened, the airflow is guided to the second air outlet 106 through the movable volute tongue 400 more smoothly and flows out, so that the airflow flows more smoothly.

As shown in connection with fig. 8-9, optionally, purge mechanism 600 includes: a lampblack filtering device 601 and a peculiar smell removing device 602. The odor removing device 602 is disposed below the soot filter 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 106 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 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, and the condensation filter core 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.

As shown in fig. 10 to 11, optionally, a negative pressure cavity 103 is provided in the casing 100, the blower 200 is disposed at one side of the negative pressure cavity 103, and the smoking channel 300 is telescopically disposed in the negative pressure cavity 103. Like this, when the cigarette machine starts, smoking passageway 300 is followed negative pressure cavity 103 internal output, intake the oil smoke in the kitchen and absorb, the oil smoke that is drawn by smoking passageway 300 passes through smoking passageway 300 and gets into negative pressure cavity 103 in, and get into fan 200 through the air inlet, finally by fan 200 discharge, when the cigarette machine was closed, smoking passageway 300 contracts into negative pressure cavity 103 in, the whole can be hidden with negative pressure cavity 103 of cigarette machine, reduce the shared space of cigarette machine in the kitchen, make the whole succinct pleasing to the eye more in the kitchen.

As shown in connection with figures 12-13, optionally, the cigarette maker further comprises: pulley 301 and counterweight 302. The pulley 301 is disposed above the inside of the housing 100; the weight 302 is connected to the smoking channel 300 by a cord 303, and the cord 303 passes around the pulley 301. Thus, the two ends of the rope 303 are respectively connected with the smoking channel 300 and the balancing weight 302, the smoking channel 300 at one end of the rope 303 can extend out or retract into the negative pressure cavity 103 through the rope 303, the balancing weight 302 at the other end of the rope 303 balances the smoking channel 300 by using the balancing weight 302, meanwhile, when the smoking channel 300 extends out or retracts into the negative pressure cavity 103, the balancing weight 302 provides a pulling force for the smoking channel 300 by using the own weight, the pulley 301 is arranged above the inner part of the shell 100, and the rope 303 bypasses the pulley 301, when the smoking channel 300 extends out or retracts into the negative pressure cavity 103, the friction force and the resistance generated by the movement of the rope 303 when the smoking channel 300 extends out or retracts into the negative pressure cavity 103 can be reduced, the required force when the smoking channel 300 extends out or retracts into the negative pressure cavity 103 can be greatly reduced through the design, the cost is further reduced, and the required energy consumption when the smoking channel 300 extends out or retracts into the negative pressure cavity 103 is greatly reduced, the range hood is more energy-saving and environment-friendly.

Optionally, the weight 302 is made of solid metal. Like this, balancing weight 302 is solid metal material, can reduce balancing weight 302's volume in the at utmost when guaranteeing that balancing weight 302 has sufficient weight, reduces balancing weight 302 occupation space in negative pressure chamber 103, improves space utilization, makes cigarette machine overall structure compacter.

Optionally, the surface of the weight 302 is provided with an anti-smoke coating. Like this, the balancing weight 302 surface is equipped with grease proofing cigarette coating, has reduced the oil smoke to the corrosion of balancing weight 302, adhesion scheduling problem, prevents to lead to two balancing weights 302 quality to vary because the oil smoke to it produces the pulling force difference to smoking passageway 300 both ends, the slope that leads to, skew scheduling problem.

Alternatively, the pulleys 301 are provided with two sets and respectively located at both sides of the upper inside of the housing 100, each set of pulleys 301 includes a first wheel 304 and a second wheel 305, the first wheel 304 is disposed above the smoking passage 300, the second wheel 305 is disposed above the weight block 302, and the rope 303 is wound around the upper sides of the first wheel 304 and the second wheel 305. Like this, casing 100 is inside to be equipped with two sets of pulleys 301, and every group pulley 301 is equipped with two, and rope 303 all walks around from two pulley 301 upsides, and every group sets up the atress area of the increase rope 303 that two pulleys 301 can be better, and is more stable when letting rope 303 drive smoking passageway 300 and balancing weight 302 move.

Optionally, the first wheel 304 and the second wheel 305 are disposed on the same horizontal plane. Thus, the rope 303 passes through the first wheel 304 and the second wheel 305, the two ends of the rope are respectively connected with the balancing weight 302 and the smoking channel 300, the first wheel 304 and the second wheel 305 are arranged on the same horizontal plane, two uniform stress points can be provided for the rope 303, and the longitudinal space occupation of the first wheel 304 and the second wheel 305 in the negative pressure cavity 103 can be reduced.

Optionally, a vertical tangent of the first wheel 304 passes through the point of connection of the cord 303 and the smoking channel 300. Thus, the cord 303 is kept vertical and is vertically connected with the smoking channel 300, which is beneficial to better exerting force on the smoking channel 300, and the smoking channel 300 can be more stably extended or enter the negative pressure cavity 103.

Optionally, a vertical tangent of the second wheel 305 passes through the point of connection of the rope 303 and the counterweight 302. Thus, the rope 303 is kept vertical and is vertically connected with the balancing weight 302, which is beneficial to better generating tension of the balancing weight 302 and enables the smoking channel 300 to be more stable when extending out or entering the negative pressure cavity 103.

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 with the smoking channel 300 and can drive the smoking channel 300 to extend out of or retract into the negative pressure cavity 103. Like this, adopt second actuating mechanism 700 directly to be connected with smoking passageway 300, drive smoking passageway 300, can move about direct drive smoking passageway 300 to second actuating mechanism 700 can keep certain fixed power to smoking passageway 300, prevents that smoking passageway 300 from receiving external force when using and taking place to rock, influences smoking passageway 300's normal work, 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 strip-shaped teeth 702 are connected with the inner side wall of the negative pressure chamber 103 and are meshed with the gear 704. Thus, the motor 701 is provided with the output shaft 703, the output shaft 703 is provided with the gear 704, 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 smoking channel 300 is driven, the second driving mechanism 700 is more stable and reliable, and can play a role in limiting speed when the smoking channel 300 extends or retracts into the negative pressure cavity 103, so that the movement of the smoking channel 300 is more stable, the extension or retraction of the smoking channel 300 into the negative pressure cavity 103 is more stable, the bar-shaped teeth 702 are meshed with the gear 704, and can also carry out limiting protection when the smoking channel 300 extends or retracts into the negative pressure cavity 103, and the smoking channel 300 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 103. 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 of smoking passageway 300, and bar tooth 702 is equipped with two, sets up respectively on the relative both sides wall in negative pressure chamber 103, 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 drive smoking passageway 300 that can be more stable stretches out or retracts into in the negative pressure chamber 103.

Optionally, the smoking channel 300 is symmetrically provided with shaft supports at both sides, and the output shaft 703 is rotatably connected with the shaft supports. Like this, can play the fixed action to output shaft 703 through the axle supporting seat, improve the stability of output shaft 703, and then more stable drive smoking passageway 300 stretches out or contracts into negative pressure chamber 103.

As shown in fig. 14 to 15, optionally, a smoking port 306 is provided at the lower front side of the smoking channel 300, and a smoke barrier 307 is rotatably mounted on the side of the smoking port 306. Like this, when the cigarette machine starts, the smoking passageway 300 stretches out from the negative pressure chamber 103, and the cigarette board 307 that keeps off the side after the smoking passageway 300 stretches out opens, keeps off cigarette board 307 and can effectually block the produced oil smoke when culinary art and improve the absorption efficiency of oil smoke to sight when can prevent that the oil smoke from hindering the user culinary art.

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);

the fan (200) is arranged in the shell (100) and is provided with an air inlet (104), a first air outlet (105) and a second air outlet (106);

the smoking channel (300) is communicated with the air inlet (104);

a smoke evacuation channel (101) in communication with the first air outlet (105);

the air supplementing channel (102) is communicated with the second air outlet (106);

a purification mechanism (600) arranged in the air supply channel (102).

2. A machine as claimed in claim 1, wherein said fan (200) comprises:

a volute (201), wherein the air inlet (104) is arranged in the axial direction of the volute (201), and the first air outlet (105) and the second air outlet (106) are arranged in the radial direction of the volute (201);

a centrifugal impeller (202) disposed within the volute (201).

3. The cigarette making machine according to claim 2, characterized in that a movable volute tongue (400) is arranged in the volute (201), one end of the movable volute tongue (400) is rotatably connected with the side wall of the volute (201) at one side of the second air outlet (106) through a rotating shaft (401), and the other end of the movable volute tongue can move in the volute (201).

4. A machine as claimed in claim 3, further comprising:

the first driving mechanism (500) is connected with 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 (106).

5. A machine as claimed in claim 4, wherein said first drive mechanism (500) comprises:

and one end of the push rod structure (502) is fixed, the other end of the push rod structure is telescopic and movable and is connected with the movable volute tongue (400), and the other end of the movable volute tongue (400) can be driven to move in the volute (201).

6. The machine as claimed in claim 3, wherein one side of the outer ring surface of the centrifugal impeller (202) is provided with a guard ring (203), the guard ring (203) is provided with a limiting groove (204), and the other end of the movable volute tongue (400) is provided with a limiting protrusion (205) matched with the limiting groove (204).

7. A machine as claimed in any one of claims 1 to 6, wherein said first outlet mouth (105) and said second outlet mouth (106) are positioned symmetrically with respect to said fan (200).

8. A machine as claimed in any one of claims 1 to 6, 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. The machine according to claim 8, characterized in that a negative pressure cavity (103) is arranged in the casing (100), the blower (200) is arranged at one side of the negative pressure cavity (103), and the smoking channel (300) is telescopically arranged in the negative pressure cavity (103).

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