CN220379775U - Smoke collecting device and range hood - Google Patents

Abstract

The utility model belongs to the technical field of electric appliances, and particularly discloses a smoke collecting device and a range hood. The smoke collecting device comprises a smoke collecting cover with a smoke collecting cavity, the smoke collecting cover is provided with an air inlet side plate, the air inlet side plate is provided with a concave smoke collecting cavity, the cavity wall of the smoke collecting cavity is provided with a first air inlet area and a second air inlet area side by side along a set direction, the second air inlet area is at least partially lower than the first air inlet area, the first area is provided with a first air inlet, the second air inlet area is provided with a plurality of second air inlets, the air inlet side of the air inlet side plate is connected with a shielding structure, the shielding structure and the side wall of the opening of the smoke collecting cavity are surrounded to form an outer air inlet, the first air inlet is opposite to the outer air inlet, and the shielding structure and the second air inlet area are opposite and are arranged at intervals. The smoke collecting device and the range hood disclosed by the utility model can improve the smoke collecting effect of the smoke collecting device and improve the smoke sucking capacity of the range hood.

Description

Smoke collecting device and range hood

Technical Field

The utility model relates to the technical field of electric appliances, in particular to a smoke collecting device and a range hood.

Background

With the improvement of life quality of people, the range hood becomes an indispensable electrical appliance in a kitchen, is usually arranged above a kitchen range, and can rapidly pump and exhaust waste gas generated by combustion of the gas range and oil smoke generated in a cooking process, so that the environment of the kitchen is purified, and the cooking comfort of people is improved.

The existing range hoods are generally divided into a top-suction type range hood and a side-suction type range hood according to the arrangement mode of a smoke inlet. The prior art provides a top-suction type range hood, which comprises a fume collecting hood and a turning plate mechanism, wherein a fume collecting cavity is formed in the fume collecting hood, and an air inlet is formed in the bottom of the fume collecting hood; the panel turnover mechanism comprises a turnover panel and a push rod motor, the turnover panel is rotatably arranged on the front side of the smoke collecting hood, the push rod motor is arranged in the smoke collecting cavity, and a telescopic rod of the push rod motor extends out of the smoke collecting hood and is hinged with the turnover panel. The push rod motor can push the turnover panel to rotate so that the turnover panel can open or close the air inlet.

The top-draft type range hood provided by the prior art is used for avoiding collision to a user or shielding the sight of the user when the overturning panel overturns, the width of the overturning panel in the front-rear direction is limited generally, namely the size of the air inlet is limited, so that the smoke gathering effect in the smoke exhaust process is difficult to effectively improve, the problem of smoke escape is relatively serious, and the smoke exhaust effect of the range hood is influenced.

Disclosure of Invention

The utility model aims to provide a smoke collecting device and a range hood, which can enhance the smoke exhausting capacity of the smoke collecting device and the range hood and improve the smoke exhausting effect of the range hood.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a collection cigarette device, includes the collection petticoat pipe that has collection cigarette chamber, collection petticoat pipe has the air inlet curb plate, the air inlet curb plate has the indent draws in the cigarette chamber, the chamber wall that draws in the cigarette chamber is provided with first air inlet region and second air inlet region side by side along setting for the direction, second air inlet region is at least partially less than first air inlet region, first air inlet region is provided with first air intake, second air inlet region is provided with a plurality of second air intake, the air inlet side of air inlet curb plate is connected with and shelters from the structure, shelter from the structure with draw in the opening lateral wall in cigarette chamber and surround and be formed with outer air intake, first air intake just to outer air intake, shelter from the structure with second air inlet region is relative and the interval sets up.

As an alternative technical scheme of the smoke collecting device, the first air inlet is provided with a filter screen, and the filter screen can be disassembled and assembled through the outer air inlet.

As an alternative technical scheme of the fume collecting device, the first air inlet area is concavely provided with a mounting groove, the bottom of the mounting groove is provided with the first air inlet, and the filter screen is mounted in the mounting groove and detachably connected with the fume collecting hood.

As an alternative technical scheme of the smoke collecting device, a plug-in port is formed in the side wall of the mounting groove facing to or far away from the second air inlet area, and a mounting hole is formed in the side of the bottom of the mounting groove far away from the plug-in port;

one side of the filter screen is provided with an inserting sheet, the inserting sheet is inserted into the inserting port, and the other opposite side of the filter screen is connected through a fastener penetrating through the mounting hole.

As an alternative technical scheme of the smoke collecting device, the set direction is vertical to the left-right direction, and the second air inlet area is provided with a plurality of second air inlets side by side along the left-right direction;

and/or, the second air inlet is a strip hole extending along the set direction;

and/or the second air inlet is formed by opening holes on the cavity wall of the smoke gathering cavity;

and/or the ventilation area of the single second air inlet is 200mm ² ～1000mm ² 。

As an alternative technical scheme of the smoke collecting device, an oil leakage port is formed at the joint of the rear side cavity wall of the smoke collecting cavity and the shielding structure, and the oil leakage port is communicated with the smoke collecting cavity;

The oil cup is installed to the rear end downside of air inlet curb plate, the oil hole has been seted up to the rear end of air inlet curb plate, the oil hole with the oil cup intercommunication.

As an alternative technical scheme of the cigarette collecting device, two cigarette collecting cavities are arranged side by side along the left-right direction, and the first air inlet area and the second air inlet area are arranged in one-to-one correspondence with the cigarette collecting cavities.

As an alternative technical scheme of the smoke collecting device, the air inlet side plate is arranged backwards from top to bottom and forms the front side cavity wall of the smoke collecting cavity, and the second air inlet is positioned at the lower side of the first air inlet.

As an alternative technical scheme of the smoke collecting device, the air inlet side plate is arranged obliquely downwards from front to back, the air inlet side plate forms the lower bottom of the smoke collecting cavity, and the second air inlet is positioned at the rear side of the first air inlet.

As an optional technical scheme of the smoke collecting device, the smoke collecting device further comprises a smoke blocking turning plate, and the front end of the smoke blocking turning plate is rotatably connected with the front end of the smoke collecting cover so as to selectively open or close the outer air inlet.

As an optional technical scheme of collection cigarette device, keep off cigarette and turn over the left and right sides both ends of board all through rotating coupling assembling with the front side of collection petticoat pipe rotates and is connected, collection cigarette device still includes turns over board drive unit, turn over board drive unit install in collection cigarette intracavity and drive end stretch out the air inlet curb plate and with it articulates to keep off cigarette and turn over the board.

As an alternative technical scheme of collection cigarette device, rotate coupling assembling and include the pivot seat, the pivot seat install in the dorsal part of air inlet curb plate, the pivot seat has and stretches out the rotation ear of air inlet curb plate, the pivot hole has been seted up to the rotation ear, the left and right sides that keeps off the cigarette and turn over the board all has the axis of rotation, the axis of rotation rotates wears to locate corresponding side the pivot hole.

As an alternative technical scheme of the smoke collecting device, the rotating shaft seat comprises a fixed plate part, one side of the fixed plate part is attached to the inner side surface of the air inlet side plate, the other opposite side of the fixed plate part is convexly provided with a boss part, the rotating lug part is vertically connected with the fixed plate part, and the rotating shaft seat is connected with the air inlet side plate through a fastener penetrating through the boss part and the air inlet side plate;

and/or, the back of the cigarette blocking turning plate is provided with a connecting plate part, the front end of the connecting plate part is convexly provided with the rotating shaft, both sides of the front end of the cigarette blocking turning plate are provided with avoidance openings, and the rotating shaft is arranged in the corresponding avoidance openings.

As an alternative technical scheme of a smoke collecting device, the shielding structure is a lower wind shield connected to the lower side of the air inlet side plate, the lower wind shield extends downwards from front to back in an inclined manner, and when the smoke blocking turning plate closes the outer air inlet, the front end of the lower wind shield is in butt joint with the rear end of the smoke blocking turning plate.

As an optional technical scheme of collection cigarette device, collection petticoat pipe includes the main casing, the main casing has above-mentioned collection cigarette chamber, draw in cigarette chamber with the air inlet curb plate, the left and right sides of main casing is provided with the side shield, the main casing with the orthographic projection of deep bead on the side shield is located the inboard of side shield.

As an alternative technical scheme of the smoke collecting device, the lower end of the side baffle is higher than the lower end of the main shell, an oil cup is arranged at the lower end of the main shell, and the oil cup is positioned between the two side baffles.

As an alternative technical scheme of the smoke collecting device, when the smoke blocking turning plate closes the outer air inlet, the smoke blocking turning plate and the air inlet side plate are arranged in parallel front and back;

or, the fume collecting hood is provided with a lower shell below the air inlet side plate, the lower wind shield is arranged on the front side of the lower shell, and when the fume blocking turning plate closes the outer air inlet, the lower wind shield and the fume blocking turning plate are arranged at a preset included angle.

As an alternative technical scheme of the fume collecting device, the lower shell is provided with a mounting cavity with an opening at the front side, the mounting cavity is communicated with the fume collecting cavity and is used for mounting an oil cup, and the upper end of the lower wind shield is rotationally connected with the fume collecting hood to open or close the opening at the front side;

Or, the lower end of the lower wind shield is rotationally connected with the fume collecting hood, so that a side air inlet which can be selectively opened and closed is formed between the upper end of the lower wind shield and the air inlet side plate, and the side air inlet is communicated with the inner cavity of the lower shell;

or, the lower wind shield comprises a fixed baffle plate and a movable baffle plate, a side air inlet is formed in the fixed baffle plate, the side air inlet is communicated with the smoke collecting cavity through the inner cavity of the lower shell, and the movable baffle plate is movably connected with the fixed baffle plate so as to open or close the side air inlet;

or, be formed with the intercommunication mouth between the upper end of lower deep bead with draw in the rear side chamber wall in cigarette chamber, the oilhole has been seted up to the rear end of air inlet curb plate, the intercommunication mouth with the inner chamber intercommunication of lower casing, the inner chamber of lower casing passes through the oilhole with collect cigarette chamber intercommunication.

As an alternative technical scheme of a smoke collecting device, a smoke outlet is formed in the top of the smoke collecting cover, an upper cover assembly is arranged at the smoke outlet, the upper cover assembly comprises an upper cover and a silencing piece arranged on the upper side of the upper cover, and a plurality of silencing holes are formed in the upper cover.

As an alternative technical scheme of the smoke collecting device, the upper cover is concavely provided with a concave part, the bottom of the concave part is provided with a plurality of silencing holes, and the silencing piece is arranged in the concave part.

As an alternative technical scheme of the smoke collecting device, at least the front end of the concave part is provided with a flow guiding part, the flow guiding part extends downwards from front to back in an inclined way, and the flow guiding part is arranged opposite to the first air inlet.

As an optional technical scheme of collection cigarette device, collection cigarette device still includes elevating system, elevating system includes lift casing and lift driving piece, the lift casing install in collection petticoat pipe's lower extreme just the inner chamber of lift casing with collection cigarette chamber intercommunication, the front side of lift casing has the oil smoke import, the lift driving piece drive the lift casing is relative collection petticoat pipe vertical lift, so that the oil smoke import selectivity expose in collection petticoat pipe.

As an optional technical scheme of the fume collecting device, the lifting mechanism further comprises a shielding plate, wherein the shielding plate can shield the fume inlet when the lifting shell is in an initial state, and automatically opens the fume inlet when the lifting shell descends relative to the fume collecting hood.

A range hood comprises the fume collecting device.

The utility model has the beneficial effects that:

according to the smoke collecting device provided by the utility model, the first air inlet and the second air inlet are formed in the cavity wall of the smoke collecting cavity, the first air inlet is opposite to the outer air inlet, and the second air inlet is opposite to the shielding structure, so that the width of the opening of the smoke collecting cavity is larger than that of the outer air inlet, the volume of the smoke collecting cavity can be increased under the condition that the size of the outer air inlet is unchanged, and the smoke collecting effect of the smoke collecting cavity, namely the smoke exhausting capacity of the smoke exhauster, is improved; meanwhile, the second air inlet area is lower than the first air inlet area, so that the negative pressure gravity center of the smoke gathering cavity can be reduced on the basis of unchanged size of the outer air inlet, and the effect of lampblack pumping and exhausting is further improved; furthermore, because the first air inlet is just to setting up with outer air inlet for the oil smoke mainly flows to first air inlet by outer air inlet, first air inlet department oil smoke throughput is great, and the second air inlet is just to setting up with shielding structure, makes second air inlet department oil smoke throughput be less relatively, thereby does benefit to the structure that sets up first air inlet and second air inlet department according to the oil smoke volume adaptability that first air inlet and second air inlet department passed through, improves the setting flexibility of collection cigarette device, balances the relation between oil smoke filtration, oil smoke extraction and the cost better.

The range hood provided by the utility model can improve the fume exhaust effect of the range hood by adopting the fume collecting device.

Drawings

Fig. 1 is a schematic structural view of a range hood according to a first embodiment of the present utility model;

fig. 2 is a cross-sectional view of a range hood according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a smoke collecting device according to a first embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a smoke collecting device according to a first embodiment of the present utility model with an oil cup removed;

FIG. 5 is a schematic view of a smoke collecting hood according to a first embodiment of the present utility model;

fig. 6 is a schematic structural view of a flap assembly according to a first embodiment of the present utility model;

fig. 7 is a schematic diagram of a split structure of a flap assembly according to a first embodiment of the present utility model;

fig. 8 is a schematic structural diagram of a connection seat according to an embodiment of the present utility model under one view;

fig. 9 is a schematic structural diagram of a connection seat according to an embodiment of the present utility model under another view;

FIG. 10 is a cross-sectional view of a cap assembly provided in accordance with a first embodiment of the present utility model;

FIG. 11 is a schematic view of a cap assembly according to a first embodiment of the present utility model;

FIG. 12 is a top view of a top cover according to a first embodiment of the present utility model;

Fig. 13 is a schematic structural diagram of a smoke collecting device according to a second embodiment of the present utility model;

fig. 14 is a cross-sectional view of a smoke collecting device according to a second embodiment of the present utility model when a smoke blocking flap is closed;

fig. 15 is a cross-sectional view of a smoke collecting device according to a second embodiment of the present utility model when a smoke blocking flap is opened;

fig. 16 is a schematic view of a split structure of a smoke collecting hood according to a second embodiment of the present utility model;

fig. 17 is a schematic structural view of a smoke collecting device according to a third embodiment of the present utility model when a lower wind guard is not opened;

fig. 18 is a schematic view of a smoke collecting hood according to a third embodiment of the present utility model when a lower wind deflector is in an open state;

fig. 19 is a schematic view of a smoke collecting device according to a fourth embodiment of the present utility model when a side air inlet is closed;

fig. 20 is a schematic structural view of a smoke collecting device according to a fourth embodiment of the present utility model when a side air inlet is opened;

fig. 21 is a schematic structural view of a smoke collecting device according to a fifth embodiment of the present utility model when a lower wind guard is not turned over;

fig. 22 is a schematic structural diagram of a smoke collecting device according to a fifth embodiment of the present utility model when a lower wind guard is turned over;

fig. 23 is a schematic structural view of a smoke collecting device according to a seventh embodiment of the present utility model;

Fig. 24 is a schematic structural view of a smoke collecting device according to an eighth embodiment of the present utility model when a lifting mechanism is in an initial state;

fig. 25 is a schematic structural view of a smoke collecting device according to an eighth embodiment of the present utility model when the lifting mechanism is in an extended state.

The figures are labeled as follows:

100. a smoke collecting device; 200. a pumping mechanism; 201. a wind box; 202. a blower;

1. a fume collecting hood; 11. a main housing; 111. a cover top plate; 112. an air inlet side plate; 1121. an outer air inlet; 1123. a middle spacer; 1124. an oil passing hole; 113. a cover back plate; 114. a cover side plate; 115. a smoke gathering convex part; 1151. a smoke collecting cavity; 1152. a first air inlet; 1153. a second air inlet; 1154. a mounting groove; 1155. a plug-in port; 1156. an oil leakage port; 116. a smoke collecting cavity; 117. an oil guiding groove; 118. a front cover plate; 12. a lower housing; 121. a lower side plate; 122. a cover bottom plate; 1221. an oil collecting port; 123. a lower back plate; 124. an oil collecting cavity; 125. limit edge parts; 13. side baffles; 14. a mounting plate; 141. an oil through hole; 15. a front plaque;

2. a flap assembly; 21. a smoke blocking turning plate; 211. an avoidance port; 22. a connecting seat; 221. a connection plate portion; 222. a post section; 223. a rotating shaft; 224. a hinge seat; 23. a flap driving unit; 24. a rotating shaft seat; 241. a fixed plate portion; 242. rotating the ear; 243. a boss portion; 244. a connecting rib part; 245. an avoidance groove; 246. mounting through hole 246; 247. a rotation shaft hole;

3. A lifting mechanism; 31. a lifting housing; 311. a fume inlet; 32. a lifting driving member; 33. a shielding plate; 34. an elastic member;

4. a lower wind deflector; 41. a fixed baffle; 42. a movable baffle; 43. side air inlet; 5. an oil cup; 6. a filter screen; 61. inserting sheets; 7. an anti-condensation plate; 8. a heating device;

9. an upper cover assembly; 91. an upper cover; 911. a cover plate portion; 912. a hemming section; 913. a concave portion; 9131. a flow guiding part; 9132. a drainage part; 914. a sound deadening hole; 915. a plugboard portion; 92. a sound deadening member;

10. and a lower plate driving member.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment provides a range hood, and it can be applied to in the house life to the kitchen oil smoke is taken out in the pump drainage, and the purification kitchen air improves the culinary art and experiences.

As shown in fig. 1 and 2, the range hood provided in the present embodiment includes a smoke collecting device 100 and a pumping mechanism 200. The smoke collecting device 100 is provided with a smoke collecting cavity 116 and an outer air inlet 1121 communicated with the smoke collecting cavity 116, and the top of the smoke collecting device 100 is provided with a smoke outlet communicated with the smoke collecting cavity 116; the exhaust mechanism 200 is installed at the top end of the smoke collecting device 100, the exhaust mechanism 200 comprises a wind box 201 connected with the top end of the smoke collecting device 100, an exhaust fan 202 arranged in the wind box 201 and the like, the lower end of the wind box 201 is communicated with a smoke outlet, the exhaust fan 202 is used for exhausting smoke, so that negative pressure is formed at the outer air inlet 1121, and the smoke is discharged out of the smoke exhaust fan through the exhaust fan 202 after entering the wind box 201 through the outer air inlet 1121, the smoke collecting cavity 116 and the smoke outlet.

As shown in fig. 1-5, the smoke collecting device 100 includes a smoke collecting hood 1, the smoke collecting hood 1 is provided with an air inlet side plate 112, the air inlet side plate 112 is provided with a concave smoke collecting cavity 1151, a first air inlet area and a second air inlet area are arranged side by side along a set direction of the cavity wall of the smoke collecting cavity 1151, the second air inlet area is at least partially lower than the first air inlet area, the first air inlet area is provided with a first air inlet 1152, the second air inlet area is provided with a plurality of second air inlets 1153, the air inlet side of the air inlet side plate 112 is connected with a shielding structure, an outer air inlet 1121 is formed by surrounding the shielding structure and the opening side wall of the smoke collecting cavity 1151, the first air inlet 1152 is opposite to the outer air inlet 1121, and the shielding structure is opposite to the second air inlet area and is arranged at intervals.

According to the smoke collecting device 100 provided by the embodiment, the first air inlet 1152 and the second air inlet 1153 are formed in the cavity wall of the smoke collecting cavity 1151, the first air inlet 1152 is opposite to the outer air inlet 1121, and the second air inlet 1153 is opposite to the shielding structure, so that the opening width of the smoke collecting cavity 1151 is larger than that of the outer air inlet 1121, the volume of the smoke collecting cavity 1151 can be increased under the condition that the size of the outer air inlet 1121 is unchanged, and the smoke collecting effect of the smoke collecting cavity 1151, namely the smoke pumping capacity of the smoke exhauster is improved; meanwhile, the second air inlet area is lower than the first air inlet area, so that the negative pressure gravity center of the smoke gathering cavity 1151 can be reduced on the basis of unchanged size of the outer air inlet 1121, and the effect of lampblack pumping and exhausting is further improved; furthermore, because the first air inlet 1152 and the outer air inlet 1121 are opposite to each other, the oil smoke mainly flows from the outer air inlet 1121 to the first air inlet 1152, the oil smoke amount at the first air inlet 1152 is larger, and the second air inlet 1153 is opposite to the shielding structure, so that the oil smoke throughput at the second air inlet 1153 is relatively smaller, the structures at the first air inlet 1152 and the second air inlet 1153 are adaptively arranged according to the oil smoke amount passing through the first air inlet 1152 and the second air inlet 1153, the setting flexibility of the smoke collecting device 100 is improved, and the relation among oil smoke filtering, oil smoke pumping and cost is balanced better.

It should be noted that, in this document, the left-right direction, the front-back direction, and the vertical direction are all referred to with respect to the direction of a person when the range hood is in a normal installation and use state, and the "front" refers to a side facing the person, the "rear" refers to a side facing away from the person, the "left" refers to a side to which the left hand of the person is directed, and the "right" refers to a side to which the right hand is directed.

In this embodiment, the first air inlet 1152 is provided with a filter screen 6, the second air inlet 1153 is not provided with a filter screen 6, and the area of a single mesh of the filter screen 6 is smaller than that of the second air inlet 1153. The first air inlet 1152 with larger oil smoke throughput is used for filtering oil smoke, so that the filtering and condensing effects of the oil smoke are ensured, and the oil smoke pumping and exhausting effects are improved; the second air inlet 1153 may not need to provide the filter screen 6 because the throughput of the oil smoke is relatively small, so as to reduce the overall cost of the smoke collecting device 100.

In order to improve the filtering and condensing effect of the oil smoke passing through the second air inlet 1153, the ventilation area of the second air inlet 1153 is 200mm ² ～1000mm ² The partial condensation and attachment of the oil fume are realized while the ventilation smoothness is ensured. The ventilation area of the second air inlet 1153 is more preferably 400mm ² ～800mm ² . Further, the second air inlet 1153 is formed by opening a hole on the wall of the smoke collecting cavity 1151, so that processing is simplified, a filter screen or an air plate is not required to be arranged in the second air inlet area, and the second air inlet 1153 is formed by processing, so that cost is reduced.

The second air inlet 1153 is preferably in a strip structure, and a plurality of second air inlets 1153 are arranged in the second air inlet region side by side along the width direction of the second air inlet 1153, and a shielding portion is formed between two adjacent second air inlets 1153. Thereby enabling the size of the single second air inlet 1153 to be reduced while increasing the range covered by the second air inlet region, and simultaneously enabling the number and area of the shielding portions to be increased, so that part of the oil smoke may be condensed while passing through the second air inlet 1153.

In this embodiment, the second air inlet 1153 is a long hole extending along the set direction, and a plurality of second air inlets 1153 are disposed at intervals along the left-right direction. In other embodiments, the second air inlet 1153 may be a long hole extending along the left-right direction, and a plurality of second air inlets 1153 are disposed at intervals along the set direction. Or the extending direction of the second air inlet 1153 may be inclined with respect to the left-right direction. In other embodiments, the second air inlet 1153 may also have a rectangular shape, an oval shape or other shapes, and a plurality of second air inlets 1153 are arranged in an array.

In this embodiment, the width of the second air inlet 1153 is 18 mm-30 mm, so as to improve the processing convenience of the second air inlet 1153 while realizing the functions of filtering and air intake of the oil smoke.

In this embodiment, the filter screen 6 is detachably connected with the air inlet side plate 112, so that the filter screen 6 can be detached and cleaned when oil stains are more attached, and the usability of the smoke collecting device 100 is ensured. In order to improve the dismouting convenience of filter screen 6, filter screen 6 can be dismantled and assembled through outer air intake 1121, need not to dismantle other structures when dismantling filter screen 6 from this, promotes the dismouting convenience of filter screen 6, promotes the dismouting efficiency of filter screen 6 to improve the clearance and the change convenience of filter screen 6.

In order to improve the convenience of installing and dismantling the filter screen 6 at the first air inlet 1152, the first air inlet area is concavely provided with a mounting groove 1154 in a direction away from the outer air inlet 1121, the bottom of the mounting groove 1154 is provided with the first air inlet 1152, and the filter screen 6 is installed in the mounting groove 1154, so that the mounting groove 1154 provides positioning and limiting for the installation of the filter screen 6.

Preferably, the mounting groove 1154 is provided with a mounting hole 1155 towards or away from a side wall of the second air inlet area, a side of the bottom of the mounting groove 1154 away from the mounting hole 1155 is provided with a mounting hole, one side of the filter screen 6 is provided with an inserting sheet 61, the inserting sheet 61 is inserted into the mounting hole 1155, and the other opposite side of the filter screen 6 is connected through a fastener penetrating through the mounting hole. In the arrangement, when the filter screen 6 is installed, firstly, the inserting sheet 61 of the filter screen 6 is inserted into the inserting opening 1155 through the inclined arrangement of the filter screen 6, and then the filter screen 6 is attached to the groove wall of the installation groove 1154, and then the filter screen 6 and the smoke collecting cover 1 are locked through the installation hole by the fastening piece; when the filter screen 6 is detached, the fastening piece is removed, and then the insert piece 61 is pulled out of the insert hole 1155.

According to the disassembly and assembly mode of the filter screen 6, when the fastener is installed, the filter screen 6 can be positioned and limited, so that the filter screen 6 is prevented from shaking or shifting, the disassembly and assembly operation of the filter screen 6 can be completed by only one operator, and the convenience and reliability of disassembly and assembly of the filter screen 6 are improved; meanwhile, as only one side of the filter screen 6 is connected with the fume collecting hood 1 through the fastening piece, the number of the fastening pieces is reduced, and the disassembly and assembly efficiency of the filter screen 6 is improved.

In this embodiment, the mounting groove 1154 sets up the cartridge mouth 1155 towards one side of second air intake 1153 for the downside cell wall of mounting groove 1154 can support filter screen 6 better, in order to make things convenient for the user to aim at cartridge mouth 1155 with inserted sheet 61, also avoids shelter from the structure to cause the shielding to the installation fastener simultaneously. In other embodiments, the mounting groove 1154 may be provided with the above-described insertion opening 1155 on the upper side wall or the left and right side walls. Further, at least two of the inserting openings 1155 are arranged at intervals along the second direction, so as to improve the positioning and limiting effects on the filter screen 6. The filter screen 6 is preferably fastened to the bottom of the installation groove 1154 by two fasteners provided at both ends.

In other embodiments, four corners of the filter screen 6 may be connected to the bottom of the mounting groove 1154 by fastening screws. In other embodiments, two opposite sides of the filter screen 6 may be engaged with the groove wall of the installation groove 1154, or the filter screen 6 may be magnetically connected to the groove wall of the installation groove 1154.

In this embodiment, the air intake side plate 112 forms a lower cavity bottom of the smoke collecting cavity 116, that is, the smoke collecting cavity 116 is located at an upper side of the air intake side plate 112, the first air intake 1152 and the second air intake 1153 are both located at an upper side of the outer air intake 1121, and the second air intake 1153 is located at a rear side of the first air intake 1152. Namely, the smoke collecting device 100 provided in this embodiment is suitable for a range hood with a top suction air intake mode.

In other embodiments, the air intake side plate 112 may be a front side wall of the smoke collecting cavity 116, and the smoke collecting cavity 116, the first air inlet 1152 and the second air inlet 1153 are all located at the rear side of the air intake side plate 112, and the first air inlet 1152 and the second air inlet 1153 are disposed side by side. With this arrangement, the smoke collecting device 100 is suitable for a range hood having side-draft air intake.

In this embodiment, preferably, two smoke gathering cavities 1151 are arranged side by side along the left-right direction, and the outer air inlet 1121, the first air inlet area and the second air inlet area are all arranged in one-to-one correspondence with the smoke gathering cavities 1151. The two fume collecting cavities 1151 are respectively corresponding to the two cooking tops of the gas cooker, so that the negative pressure of the single fume collecting cavity 1151 is increased, the fume pumping capacity is improved, the fume dissipation probability is reduced, the processing difficulty of the fume collecting hood 1 can be reduced, and the overall structural strength and rigidity of the air inlet side plate 112 and the fume collecting hood 1 are improved. In other embodiments, only one smoke gathering chamber 1151 may be provided, i.e. the smoke gathering chamber 1151 covers two cooking tops in the left-right direction.

In this embodiment, the smoke gathering chamber 1151 is formed by the recess of the air intake side plate 112 toward the smoke collecting chamber 116. Specifically, the air inlet side plate 112 is concavely provided with a smoke gathering convex part 115, and the inner cavity of the smoke gathering convex part 115 forms a smoke gathering cavity 1151. The smoke-gathering convex portion 115 includes a top plate portion, a front plate portion, two side plate portions and a rear plate portion, which surround to form a smoke-gathering cavity 1151, the front plate portion is connected to the front side of the top plate portion, the two side plate portions are respectively connected to the left and right sides of the top plate portion, and the rear plate portion is connected to the rear sides of the top plate portion and the two side plate portions. The top plate portion is provided with the first air inlet 1152 and the second air inlet 1153.

The front plate portion is substantially perpendicular to the top plate portion, so that the front side cavity wall of the smoke collecting cavity 1151 is substantially parallel to the smoke inlet direction of the smoke collecting cavity 1151, and the probability of attaching the oil smoke to the front side cavity wall is reduced. The top plate portion extends obliquely downward from front to back to guide the oil stain attached to the upper surface of the top plate portion to flow backward to the rear side of the air intake side plate 112. The included angle between the side plate part and the top plate part is preferably an obtuse angle, namely the side plate part extends downwards in an inclined way from the direction away from the top plate part so as to guide the oil stain attached on the side plate part to flow into the air inlet side plate 112, and accordingly the oil stain flows into the oil cup 5 from the air inlet side plate 112 to the rear lower side. The rear plate part is preferably arranged in a circular arc shape, which is beneficial to guiding the oil drops to flow. The oil cup 5 is installed to the rear end downside of air inlet curb plate 112, and the rear end downside of air inlet curb plate 112 is provided with the oilhole 1124, and oilhole 1124 communicates with oil cup 5. The oil stain flowing to the rear end of the air inlet side plate 112 can enter the oil cup 5 through the oil passing hole 1124, so that the waste oil is collected and cleaned.

Because in the oil smoke is extracted, the oil smoke can enter between the second air inlet 1153 and the shielding structure for part of oil stain can be attached to the back of the second air inlet area and the shielding structure, in order to better guide the attached oil stain to flow to the oil cup 5, in the embodiment, the butt joint of the rear side cavity wall of the smoke collecting cavity 1151 and the shielding structure is provided with an oil leakage port, and the oil leakage port is communicated with the smoke collecting cavity 116. I.e. the oil stain attached to the inner side wall of the smoke gathering chamber 1151 and the oil stain attached to the inner side wall of the shielding structure can flow to the rear end of the air inlet side plate 112 through the oil leakage hole, and thus flow to the oil cup 5 through the oil passing hole 1124 at the rear end of the air inlet side plate 112.

A middle partition 1123 is formed between two adjacent smoke gathering cavities 1151, and adjacent side plate portions of the two smoke gathering cavities 1151 form left and right sides of the middle partition 1123, so that the middle partition 1123 forms an upwardly open oil guide groove 117. The side plate parts and the left and right side walls of the adjacent smoke collecting cavity 116 are also formed with oil guide grooves 117, and the oil guide grooves 117 in the middle and at the two sides can both receive the oil smoke dropped from the side plate parts and guide the oil drops at the front side of the air inlet side plate 112 to flow backwards to the rear side.

The smoke collecting device 100 further comprises a flap assembly 2, the flap assembly 2 comprises a smoke blocking flap 21 and a flap driving unit 23, the smoke blocking flap 21 is rotatably connected with the smoke collecting cover 1, and the flap driving unit 23 is arranged on the smoke collecting cover 1 to drive the smoke blocking flap 21 to selectively open or close the outer air inlet 1121. Thus, the outer air inlet 1121 can be selectively opened, and the appearance aesthetic property and the easy accessibility of the smoke collecting device 100 in the non-use state can be improved while the smoke exhaust is realized.

In this embodiment, when the smoke baffle plate 21 is turned over to close the outer air inlet 1121, the smoke baffle plate 21 is in a closed state, and the smoke baffle plate 21 is attached to the air inlet side plate 112; when the smoke-blocking flap 21 is turned over to open the outer air inlet 1121, the smoke-blocking flap 21 is in an open state. Preferably, the rotation axis of the smoke blocking turning plate 21 extends along the left-right direction, that is, when the outer air inlet 1121 is opened by the smoke blocking turning plate 21, the rear end of the smoke blocking turning plate 21 turns forward until the smoke blocking turning plate 21 is arranged obliquely from top to bottom, so as to increase the smoke collecting range of the smoke collecting space, reduce the probability of escape of oil smoke and improve the oil smoke pumping effect; meanwhile, in the arrangement, one smoke baffle plate 21 can be used for covering the two outer air inlets 1121, so that the convenience in arrangement of the plate turnover assembly 2 is improved.

In other embodiments, the rotation axis of the smoke-blocking flap 21 may also be set along the front-back direction, and at this time, the two outer air inlets 1121 are respectively provided with the smoke-blocking flap 21, that is, when the smoke-blocking flap 21 opens the outer air inlet 1121, the smoke-blocking flap 21 is turned to the outside of the smoke-collecting hood 1 in a direction away from the other smoke-blocking flap 21.

In order to improve the aesthetic property and the cleaning convenience of the smoke collecting device 100, the shielding structure is a lower wind shield 4 arranged at the lower side of the air inlet side plate 112, the lower wind shield 4 extends along the left-right direction, and two ends of the lower wind shield are respectively butted with the left side and the right side of the smoke collecting cover 1. The lower wind deflector 4 extends obliquely downward from front to back, and when the smoke blocking flap 21 closes the outer air inlet 1121, the front end of the lower wind deflector 4 is abutted with the rear end of the smoke blocking flap 21. The lower wind deflector 4 is preferably attached to the fume collecting hood 1 by means of an adhesive or may be attached to the fume collecting hood 1 by means of a screw connection or a snap connection.

In this embodiment, lower deep bead 4 sets up the laminating with air inlet curb plate 112, and when keeping off cigarette and turning over board 21 was in the closed condition, keep off cigarette and turn over board 21 and 4 parallel and level and the front and back setting side by side down, make down deep bead 4 and keep off cigarette and turn over board 21 cooperation cover air inlet curb plate 112 from this, improve the appearance aesthetic property and the clearance convenience of collection cigarette device 100, and can reduce the overall height of collection cigarette device 100.

The smoke baffle plate 21 and the lower wind guard 4 are arranged one by one, namely, the smoke baffle plate 21 and the lower wind guard 4 cover the two smoke collecting cavities 1151 in the left-right direction, so that the structure of the smoke collecting device 100 is simplified, and the cost is reduced. In other embodiments, one smoke baffle plate 21 may be disposed corresponding to each smoke collecting chamber 1151, and each smoke baffle plate 21 may be separately controlled to achieve single-side selective air intake.

In this embodiment, the left and right sides of the fume collecting hood 1 are provided with side baffles 13, the lower end of the side baffles 13 is lower than the lower end of the air inlet side plate 112, an oil cup 5 installation space is formed by surrounding the air inlet side plate 112 and the two side baffles 13, the oil cup 5 is installed in the oil cup 5 installation space, and the air inlet side plate 112 shields the oil cup 5 from the lateral direction. The arrangement can realize the hidden arrangement of the oil cup 5, so that the oil cup 5 can not be seen from the side, and the appearance of the smoke collecting device 100 and the range hood adopting the smoke collecting device 100 are more concise and beautiful; meanwhile, the area of the oil cup 5 exposed outside the fume collecting hood 1 is reduced, so that the probability of adhering oil fume to the oil cup 5 can be reduced, and the cleaning frequency of the oil cup 5 is reduced.

In order to improve the processing convenience of the fume collecting hood 1, the fume collecting hood 1 comprises a main housing 11 and the side baffle 13 which are arranged in a split manner, the main housing 11 is provided with the fume collecting cavity 116 and the air inlet side plate 112, and the height of the lower end of the main housing 11 is basically the same as the height of the rear end of the air inlet side plate 112. The orthographic projection of the main housing 11 and the lower wind deflector 4 on the side barrier 13 is located inside the side barrier 13.

By dividing the fume collecting hood 1 into the main housing 11 and the side baffles 13, the overall appearance of the main housing 11 can be set according to the setting requirements of the fume collecting cavity 116 and the air inlet, and the shape of the side baffles 13 can be not limited by the processing technology of the main housing 11, so that the processing of the side baffles 13 can be independent of the main housing 11, the shape of the left side and the right side of the fume collecting hood 1 can not be limited by the processing technology, the area of the left side and the right side of the fume collecting hood 1 can be increased while the size of the main housing 11 is not increased, the installation space can meet the installation requirements of the oil cup 5, the escape of the fume to the two sides of the fume exhauster can be stopped, the fume collecting effect is enhanced, and the fume sucking effect of the fume collecting device 100 and the fume exhauster is improved.

The main casing 11 includes a front cover plate 118 and a cover back plate 113 which are disposed opposite to each other in the front and rear directions, and further includes two cover side plates 114 connected between the front cover plate 118 and the left and right sides of the cover back plate 113, and the cover top plate 111 connected between the front cover plate 118, the cover back plate 113 and the top ends of the cover side plates 114, and an air intake side plate 112 connected between the front cover plate 118, the cover back plate 113 and the bottom ends of the cover side plates 114. The intake side plate 112 extends obliquely downward from front to back to guide the oil dirt attached to the intake side plate 112 to flow backward to the rear side of the smoke collecting chamber 116 and be collected by the oil cup 5. That is, the whole longitudinal section of the main housing 11 is in a right trapezoid structure, and the air inlet side plate 112 forms the hypotenuse of the right trapezoid structure. Further, the front decorative plate 15 is attached to the front side of the front cover plate 118, and the front decorative plate 15 is made of glass or plastic material, so as to improve the appearance aesthetics of the smoke collecting device 100 and the range hood.

In this embodiment, when the oil cup 5 is installed in the installation space, the bottom surface of the oil cup 5 may be flush with the lower end of the side baffle 13 or may be slightly higher than the lower end of the side baffle 13, so as to reduce the height dimension of the side baffle 13 while realizing lateral shielding of the oil cup 5, thereby reducing the height dimension of the fume collecting hood 1.

In order to improve the convenience of installation of the oil cup 5 in the installation space, the rear end bottom of the main casing 11 is provided with an oil cup installation structure for being connected with the oil cup 5, whereby the convenience of dismounting and mounting the oil cup 5 can be improved. In other embodiments, the oil cup mounting structure may also be provided inside the side dam 13.

The rear end downside of the air inlet side plate 112 is provided with a mounting plate 14, the mounting plate 14 is provided with an oil cup mounting structure, and the mounting plate 14 is provided with an oil through hole 141, and the oil through hole 141 is communicated with the oil passing hole 1124. The arrangement can avoid processing the oil cup mounting structure on the air inlet side plate 112, and can simplify the processing of the main shell 11; meanwhile, the arrangement of the mounting plate 14 can also enhance the overall structural strength and rigidity of the fume collecting hood 1 and improve the supporting performance of the oil cup 5. In other embodiments, the oil cup mounting structure may be directly disposed on the rear side of the air intake side plate 112.

It should be noted that, the specific structure of the oil cup mounting structure and the matching form with the oil cup 5 can be set with reference to the structure in the prior art, which is not the focus of this embodiment, and will not be repeated here.

The oil passing holes 1124 on the air inlet side plate 112 are preferably elongated holes extending in the left-right direction, and the oil through holes 141 are preferably arranged at intervals in the left-right direction so as to ensure the overall structural strength and rigidity of the mounting plate 14, thereby ensuring the supporting performance of the mounting plate 14 on the oil cup 5.

The rear side of the lower wind guard 4 is connected with the mounting plate 14, i.e. in this embodiment, when the smoke blocking flap 21 closes the outer air inlet 1121, the smoke blocking flap 21, the lower wind guard 4 and the mounting plate 14 are sequentially arranged side by side from front to back, so as to effectively enhance the overall appearance aesthetic property of the smoke collecting device 100.

In this embodiment, since the front side of the oil cup 5 is exposed to the fume collecting hood 1, and in the fume pumping and exhausting process, fume collides with the front side of the oil cup 5, when the oil cup 5 is made of sheet metal material, the fume is easy to condense after colliding with the oil cup 5 due to higher heat conductivity coefficient of the sheet metal, so that hanging flow is generated, oil drops are caused to adhere to the front side of the oil cup 5, even drop on the kitchen range table surface, the appearance is affected, and cleaning of the kitchen range and the oil cup 5 is difficult.

In order to solve the problems, the front side surface of the oil cup 5 is provided with the anti-condensation plate 7, and the heat conductivity coefficient of the anti-condensation plate 7 is lower than that of the oil cup 5, so that the oil cup 5 can be made of the conventional manufacturing materials of the oil cup 5, the universality of the oil cup 5 is improved, and the cost of the oil cup 5 is reduced; and prevent setting up of condensation plate 7, can reduce the probability of flue gas and condensation after preventing the contact of condensation plate 7 front side, guarantee that the flue gas can be absorbed by pumping mechanism 200 before being condensed into the oil droplet, avoid adhering to the oil stain on the oil cup 5, and reduce the oil stain and prevent the probability of adhering to on the condensation plate 7, improve the convenience of the clearance of oil cup 5 and condensation plate 7, help reducing the clearance number of times on range hood surface, reduce the probability that the oil droplet drips to the mesa, improve the sanitary condition in kitchen.

In this embodiment, the condensation preventing plate 7 is preferably made of glass, and has low thermal conductivity, attractive appearance and strong please. In other embodiments, the condensation preventing plate 7 may be made of a material with low thermal conductivity such as rubber or silica gel.

The condensation-preventing plate 7 is preferably adhered to the oil cup 5, so that notch structures are prevented from being formed on the front side of the oil cup 5 or the condensation-preventing plate 7, and the processing difficulty of the oil cup 5 and the condensation-preventing plate 7 is reduced. In other embodiments, the condensation preventing plate 7 and the oil cup 5 may be detachably connected. The condensation preventing plate 7 is arranged at an included angle with the lower wind shield 4.

The flap driving unit 23 comprises a push rod motor, the back of the cigarette blocking flap 21 is provided with a hinge seat 224, a mounting shell of the push rod motor is rotatably mounted on the fume collecting hood 1, the tail end of a telescopic rod of the push rod motor is hinged with the hinge seat 224, and the telescopic rod of the push rod motor extends downwards from back to front in a tilting manner. When the telescopic rod of the push rod motor extends out, the smoke blocking turning plate 21 is driven to turn from a closed state to an open state; when the telescopic rod of the push rod motor is retracted, the smoke baffle turning plate 21 is driven to rotate from an open state to a closed state.

As shown in fig. 3 and fig. 6 to 9, in order to improve the rotation stability and reliability of the smoke blocking flap 21, two sides of the front end of the smoke blocking flap 21 are rotatably connected with the smoke collecting hood 1 through a rotation connection assembly, so that the smoke blocking flap 21 can be stably supported on the smoke collecting hood 1. In the embodiment, the rotary connecting assembly comprises a rotary shaft seat 24 arranged on the fume collecting hood 1, the rotary shaft seat 24 is provided with a rotary lug 242 extending out of the air inlet side plate 112, and the rotary lug 242 is provided with a rotary shaft hole 247; the left and right sides of the smoke blocking flap 21 are provided with a rotation shaft 223, the rotation shaft 223 extends in the left and right direction, and the rotation shaft 223 is rotatably arranged in the rotation shaft hole 247.

The rotating shaft seat 24 further comprises a fixed plate portion 241, one side of the fixed plate portion 241 is attached to the back surface of the air inlet side plate 112, a boss portion 243 is convexly arranged on the other opposite side of the fixed plate portion 241, the rotating lug 242 is vertically connected to the fixed plate portion 241, and the rotating shaft seat 24 and the air inlet side plate 112 are connected through fasteners penetrating through the boss portion 243 and the air inlet side plate 112. Therefore, the contact area between the fastener and the rotating shaft seat 24 can be increased, and the installation reliability of the rotating shaft seat 24 on the fume collecting hood 1 can be improved. Specifically, the boss 243 is provided with a mounting through hole 246, the air intake side plate 112 is provided with a threaded hole, the fastener is a screw, and the screw passes through the mounting through hole 246 and is connected with the threaded hole

Further, the inner side surface of the air intake side plate 112 is convexly provided with a convex portion, one side of the fixing plate portion 241 away from the boss portion 243 is provided with a avoiding groove 245, the convex portion is inserted into the avoiding groove 245, and the threaded hole penetrates through the convex portion. By means of the arrangement, the length of the threaded hole can be increased on the basis that the thickness of the air inlet side plate 112 is unchanged, so that the connection reliability of the threaded piece fastening connection rotating shaft seat 24 and the air inlet side plate 112 is improved. The boss portions 243 are preferably provided with two boss portions at intervals, and the protruding portions, the mounting through holes 246 and the threaded holes are all arranged in one-to-one correspondence with the boss portions 243 so as to improve the mounting reliability of the rotating shaft seat 24 on the air inlet side plate 112. The two boss portions 243 are preferably connected by a connecting rib portion 244 to enhance the overall structural strength and rigidity of the rotary shaft seat 24.

In order to improve the convenience of setting the rotation shaft 223 on the smoke-blocking turning plate 21, the back surface of the smoke-blocking turning plate 21 is connected with a connecting seat 22, the connecting seat 22 comprises a connecting plate part 221, and the connecting plate part 221 is preferably adhered to the smoke-blocking turning plate 21 so as to avoid the arrangement of holes, grooves and other structures on the smoke-blocking turning plate 21. The connecting plate part 221 is convexly provided with the rotation shaft 223, the front side of the smoke baffle turning plate 21 is provided with the avoidance port 211, and the rotation shaft 223 extends into the avoidance port 211, so that the influence of the arrangement of the rotation shaft 223 on the length of the smoke baffle turning plate 21 in the left-right direction can be avoided, the complete coverage of the smoke baffle turning plate 21 on the air inlet side plate 112 is facilitated, and the appearance attractiveness of the range hood is improved.

Further, the front end of the connection plate 221 is provided with a boss portion 222, and the end surface of the boss portion 222 is provided with a rotation shaft 223. The cross section of the boss portion 222 is larger than that of the rotation shaft 223, thereby improving the overall strength and rigidity of the connection base 22 and reducing the probability of breakage and deformation of the rotation shaft 223. The boss portion 222, the connection shaft and the connection plate portion 221 are preferably integrally formed to secure the overall structural strength and rigidity of the connection base 22.

As shown in fig. 2 and 10 to 12, in the present embodiment, the smoke outlet of the smoke collecting hood 1 is provided with an upper cover assembly 9, the upper cover assembly 9 includes an upper cover 91 and a muffler 92 disposed on the back of the upper cover 91, and a plurality of muffler holes 914 are formed in the upper cover 91. By arranging the silencing hole 914, the oil smoke can enter the bellows 201 through the silencing hole 914, so that the oil smoke is pumped and discharged; through setting up silencing member 92, can reduce the noise of oil smoke suction and exhaust in-process, improve the use experience of range hood.

To improve the convenience of mounting the silencer 92, the upper cover 91 is provided with a recess 913 in a downward concave manner, the bottom of the recess 913 is provided with a silencing hole 914, and the silencer 92 is mounted in the cavity of the recess 913. The provision of the recess 913 is advantageous in providing a mounting space for the provision of the silencer 92, avoiding the silencer 92 protruding upward from the upper cover 91.

At least the front end of the concave portion 913 has a guiding portion 9131, the guiding portion 9131 extends downward from front to back, and the guiding portion 9131 is disposed opposite to the first air inlet 1152. By means of the arrangement, the oil smoke entering from the first air inlet 1152 directly acts on the diversion portion 9131, so that oil stains attached to the concave portion 913 can flow backwards to the rear side of the smoke collecting cavity 116 along the diversion portion 9131, namely, the upper cover assembly 9 is arranged, the effect of noise reduction can be achieved, and the effect of oil guiding can be achieved. Preferably, the inclined angle of the diversion portion 9131 with respect to the horizontal plane is 30 ° to 75 °.

Further, the concave portion 913 further includes a drainage portion 9132 connected to the rear side of the flow guiding portion 9131, where the drainage portion 9132 is horizontally disposed, or the inclination angle of the drainage portion 9132 with respect to the horizontal plane is smaller than the inclination angle of the flow guiding portion 9131 with respect to the horizontal plane, so that the thickness of the whole upper cover assembly 9 is reduced while the inclined flow guiding of the flow guiding portion 9131 is achieved, and interference between the upper cover assembly 9 and other structures in the smoke collecting cavity 116 is avoided.

In order to improve the installation convenience of the upper cover assembly 9, the upper cover 91 includes a cover plate portion 911 and a flange portion 912 that bends downwards along the edge of the cover plate portion 911, the shape of the cover plate portion 911 is adapted to the shape of the smoke outlet, the edge of the smoke outlet bends downwards to form a bending edge portion 912, and the flange portion 912 is attached to the bending edge portion 912, so as to realize the installation positioning and limiting of the upper cover assembly 9 at the smoke outlet. The cover plate portion 911 is recessed downward to form the recessed portion 913, and the flange portion 912 is detachably connected to the bent flange portion 912.

Further, a folded edge portion 912 is bent in a direction away from the concave portion 913 to form a plugboard portion 915, a jack is formed in the corresponding folded edge portion 912, the plugboard portion 915 is inserted in the jack, and the folded edge portion 912 opposite to the plugboard portion 915 is connected with the corresponding folded edge portion 912 by a screw, so that the convenience in assembling and disassembling the upper cover assembly 9 on the fume collecting hood 1 is improved. The insert plate portion 915 is preferably provided at least two intervals along the length direction of the flange portion 912 to improve the mounting stability and the force balance of the upper cover assembly 9.

In this embodiment, the silencing member 92 preferably adopts silencing cotton, and has a simple structure, convenient installation and low cost. In other embodiments, the silencer 92 may also use other existing silencing structures, which is not limited in this embodiment.

Example two

The present embodiment provides a smoke collecting device 100 and a range hood, and the smoke collecting device 100 and the range hood provided in the present embodiment are substantially the same as those in the first embodiment, only have differences in partial arrangement, and the present embodiment does not describe the same structure as that in the first embodiment.

As shown in fig. 13 to 16, the fume collecting hood 1 further includes a lower housing 12, the lower housing 12 is connected to the rear lower end of the main housing 11, an inner cavity of the lower housing 12 forms an oil collecting cavity 124, the oil collecting cavity 124 communicates with the fume collecting cavity 116 of the main housing 11, and the oil cup 5 is mounted on the lower housing 12. The main housing 11 is welded or detachably connected to the lower housing 12. The lower wind deflector 4 is mounted on the front side of the lower housing 12, and when the smoke blocking flap 21 is in a closed state, the lower wind deflector 4 and the smoke blocking flap 21 are arranged at an included angle. This kind of setting can strengthen the backstop to top of a kitchen range front side oil smoke, and guide oil smoke upwards to outer air intake 1121 department better, strengthens the effect of gathering fume to improve oil smoke pumping capacity.

In this embodiment, the rear end of the smoke gathering chamber 1151 is located at the rear side of the lower wind guard 4 and is spaced from the upper end of the lower wind guard 4, so that a communication port is formed between the rear end of the smoke gathering chamber 1151 and the upper end of the lower wind guard 4, and the communication port is communicated with the oil collecting chamber 124. When the oil smoke enters the smoke collecting cavity 1151 from the outer air inlet 1121, a part of the oil smoke enters the smoke collecting cavity 116 through the first air inlet 1152 and the second air inlet 1153, and another part of the oil smoke enters the lower shell 12 through a gap between the smoke collecting cavity 1151 and the upper end of the lower wind shield 4, flows into the smoke collecting cavity 116 through the oil passing hole 1124 at the rear end of the air inlet side plate 112, and is pumped and discharged to the outside by the fan 202.

In the present embodiment, the oil cup 5 is mounted to the outside of the lower end of the lower case 12, and the lower end of the lower wind deflector 4 protrudes into the opening of the oil cup 5 to better guide the oil stain attached on the lower wind deflector 4 into the oil cup 5.

In this embodiment, the lower housing 12 includes a lower back plate 123 and a cover bottom plate 122 that are vertically connected, and an oil collecting port 1221 that communicates with the oil cup 5 is formed in the bottom surface of the lower housing 12, and a plurality of oil collecting ports 1221 are preferably provided at intervals along the left-right direction.

Further, in the present embodiment, the lower case 12 includes a lower back plate 123 vertically provided, two lower side plates 121 connected to the left and right sides of the two lower back plates 123, and a hood bottom plate 122 connected to the lower back plate 123 and the lower ends of the two lower side plates 121, and the left and right sides of the lower wind deflector 4 are connected to the two lower side plates 121. This arrangement can enhance the overall structural strength and rigidity of the lower housing 12, and the stability of the lower housing 12 to support the oil cup 5.

Preferably, the hood back plate 113 is flush with the lower back plate 123 and screwed or riveted, and the hood side plate 114 is flush with the lower side plate 121 of the corresponding side and screwed or riveted, whereby structural stability of the fume collecting hood 1 can be enhanced, so that the main housing 11 and the lower housing 12 form a rigidly connected structure, and processing efficiency can be improved. In other embodiments, the plates on the corresponding sides of the main housing 11 and the lower housing 12 may be welded together.

The side baffles 13 cover the corresponding sides of the main housing 11 and the lower housing 12, thereby making the fume collecting hood 1 as a unitary structure from the outside, having strong aesthetic appearance, and making the overall structural rigidity and structural strength of the fume collecting hood 1 stronger. Further, the front projection of the main housing 11 and the lower housing 12 on the plane of the side baffle 13 is located in the range of the side baffle 13, so that the side baffle 13 can visually shield the structures on the main housing 11 and the lower housing 12 laterally, and the appearance aesthetic property is further improved; meanwhile, by the arrangement, the side baffle 13 can extend forwards to the front side of the lower shell 12, so that the smoke collecting effect can be better achieved, the probability of outward dissipation of oil smoke is reduced, and the oil smoke sucking effect is improved.

Specifically, the side baffle 13 has a polygonal structure, the upper side of which is flush with the hood top panel 111, the rear side of which is flush with the back cover panel, the lower side of which is flush with the hood bottom panel 122, the front side of which is flush with the front cover panel 118, and the front oblique side of which is connected between the lower end of the front side and the front end of the lower side. This can simplify the structure of the side shield 13 while ensuring the stopping effect of the side shield 13 against the soot.

The side guards 13 are preferably bonded to the hood side panels 114 and the lower side panels 121 to avoid perforating or grooving the side guards 13 and to maintain the integrity of the appearance of the side guards 13. In other embodiments, the side guards 13 may also be welded or snapped with the main housing 11 and/or the lower housing 12.

Example III

As shown in fig. 16 and 17, the present embodiment provides a smoke collecting device 100 and a range hood, and the smoke collecting device 100 and the range hood provided in the present embodiment are based on further improvements of the structure in the second embodiment, and the description of the same contents as those in the second embodiment will not be repeated.

In this embodiment, the lower side of the lower wind deflector 4 is rotatably connected with the smoke collecting hood 1, so that a side air inlet 43 capable of being selectively opened or closed is formed between the upper end of the lower wind deflector 4 and the air inlet side plate 112, and when the side air inlet 43 is opened, the side air inlet 43 is communicated with the outer air inlet 1121, thereby being capable of changing the area of the smoke collecting cavity 1151 and improving the smoke inlet effect.

In the present embodiment, the smoke collecting device 100 has a closed state and a fully opened state, when the smoke collecting device 100 is in the closed state, the side air inlet 43 is closed by the lower wind deflector 4, the outer air inlet 1121 is closed by the smoke baffle, and the rear end of the smoke baffle is in butt joint with the upper end of the lower wind deflector 4; when the smoke collecting device 100 is in the fully opened state, the upper end of the lower wind shield 4 turns forward, the outer air inlet 1121 and the side air inlet 43 are both opened, and the air inlet area is increased; meanwhile, as the upper end of the outer air inlet 1121 moves downwards, the outer air inlet 1121 is closer to the cooking bench, and the oil smoke sucking effect is improved; furthermore, the upper end of the lower wind shield 4 rotates forward and downward, so that the distance between the upper end of the lower wind shield 4 and the air inlet side plate 112 is increased, and the effect of oil smoke pumping and exhausting can be further increased.

That is, in the smoke collecting device 100 provided in this embodiment, the smoke collecting area of the smoke collecting cavity 1151 can be changed by the rotation of the smoke baffle and the rotation of the lower wind baffle 4, so that the smoke collecting effect of the smoke collecting cavity 1151 is changed, and the effect of smoke exhaust is changed. In actual use, only the smoke baffle or both the smoke baffle and the lower wind deflector 4 may be selectively opened according to cooking needs, so that efficiency and cost are combined.

In this embodiment, the smoke collecting device 100 further includes a lower plate driving member 10, where the lower plate driving member 10 is used to drive the lower wind deflector 4 to switch between a closed state and an open state, and adjust an opening angle of the lower wind deflector 4, so as to implement automatic control of turning of the lower wind deflector 4, and improve operation intellectualization and automation of the range hood.

The lower plate driving member 10 may adopt a push rod motor, a motor casing of the push rod motor may be rotatably mounted on the air inlet side plate 112, and a driving end of the push rod motor is hinged with the lower wind shield 4.

Further, the lower end of the lower wind shield 4 is always located at the inner side of the oil cup 5, so that oil drops attached to the lower wind shield 4 can slide downwards into the oil cup 5, and the oil drops are prevented from dripping on a cooking bench.

The rotation angle of the lower wind deflector 4 is preferably set to be °o avoid interference with the oil cup 5 due to an excessive rotation angle of the lower wind deflector 4.

In order to avoid the rotation of the lower wind guard 4 interfering with the rotation of the smoke barrier, it is preferable that when the smoke collecting device 100 needs to be switched to the fully opened state, the smoke barrier is controlled to rotate to the opened position by the controller, and then the lower wind guard 4 is controlled to rotate. Under this setting, when the collection cigarette device 100 is in the totally closed state, the interval between the upper end of lower deep bead 4 and the cigarette baffle is less, improves collection cigarette device 100 and range hood's appearance aesthetic property.

In other embodiments, the distance between the rear end of the smoke baffle and the upper end of the lower wind baffle 4 can be increased when the smoke baffle is in a fully closed state, so that the two are guaranteed to be rotationally non-interfered with each other.

Further, the front side of the oil cup 5 is covered with the anti-condensation plate 7, and the heat conductivity coefficient of the anti-condensation plate 7 is higher than that of the oil cup 5, so that the probability of condensation of oil smoke on the front side of the oil cup 5 can be reduced, the probability of adhesion of oil stains on the front side of the oil cup 5 is reduced, oil drops are further prevented from dripping on a table top, and the cleaning convenience and the use comfort of the smoke collecting device 100 and the smoke exhaust ventilator are improved. The condensation preventing plate 7 is preferably made of glass material to improve the aesthetic appearance and cleaning convenience of the smoke collecting device 100 and the range hood.

Example IV

As shown in fig. 19 to 20, the present embodiment provides a smoke collecting device 100 and a range hood, and the smoke collecting device 100 provided in the present embodiment is based on a further improvement of the structure in the second embodiment, and the description of the same contents as those in the second embodiment will not be repeated.

In the present embodiment, the lower wind deflector 4 includes a fixed baffle 41 and a movable baffle 42, the fixed baffle 41 is provided with a side air inlet 43, and the movable baffle 42 can move relative to the fixed baffle 41 to selectively open or close the side air inlet 43.

By providing the side air inlet 43 on the fixed baffle 41 and providing the movable baffle 42 capable of opening or closing the side air inlet 43, the air inlet position of the smoke collecting device 100 can be increased when the side air inlet 43 is opened, thereby increasing the air inlet area of the smoke collecting cavity 116 and improving the air inlet effect and the smoke exhaust effect. Meanwhile, the side air inlet 43 is lower than the outer air inlet 1121, so that the side air inlet 43 is arranged closer to the cooking bench, the oil smoke pumping effect can be further enhanced, and the use flexibility of the smoke collecting device 100 is improved.

In this embodiment, the outer air inlet 1121 and/or the side air inlet 43 may be selectively opened according to the cooking fume generated by cooking, for example, in the quick-frying state, the amount of fume is large, and at this time, the side air inlet 43 and the outer air inlet 1121 may be simultaneously opened; when the amount of the oil smoke is relatively small and the cooking appliance is a short appliance, only the side air inlet 43 can be opened, so that the interference between the range hood and the cooking appliance is avoided while the oil smoke pumping and discharging effect is enhanced; when the amount of the oil smoke is relatively small and the cooking appliance is a high appliance such as a steamer, the side air inlet 43 can be closed, and the outer air inlet 1121 is opened, so that the interference between the movable baffle plate 42 and the cooking appliance is avoided while the oil smoke sucking effect is ensured, and the use flexibility and the use safety of the range hood are improved.

In this embodiment, the smoke collecting device 100 further includes a lower plate driving member 10, and the lower plate driving member 10 drives the movable shutter 42 to move in a direction away from or toward the fixed shutter 41 to close or open the side smoke inlet. This kind of setting can reduce the interference between movable baffle 42 and other structures, and makes the area setting of movable baffle 42 can not be limited by the size of gathering oil chamber 124, can increase the size of side air inlet 43, also can reduce the probability that movable baffle 42 interfered with user or cooking utensil simultaneously, improves the safety in utilization of collection cigarette device 100.

When the lower wind shield 4 closes the side air inlet 43, the movable baffle 42 and the fixed baffle 41 are preferably flush with the front side surface so as to improve the appearance aesthetic property of the smoke collecting device 100 and the range hood; when the lower wind shield 4 opens the side air inlet 43, the movable baffle 42 is located at the front side of the fixed baffle 41 and is spaced from the fixed baffle 41, so as to avoid that the side movable baffle 42 is located at the inner side of the oil collecting cavity 124 to obstruct the upward flow of the smoke.

In other embodiments, the flapper 42 may also be rotatably coupled to the fixed flapper 41 such that the flapper 42 can rotate to open or close the side air intake 43; in other alternative embodiments, the flapper 42 may also be slidably coupled to the fixed flapper 41 to open or close the side air intake 43.

In this embodiment, the lower plate driving member 10 may employ a push rod motor, wherein a motor casing of the push rod motor is installed in the oil collecting cavity 124 through a motor base, and a telescopic rod of the push rod motor is connected with the movable baffle 42. In other embodiments, other forms of drive arrangements may be provided to actuate the flapper 42.

Further, the front side of the oil cup 5 is covered with the anti-condensation plate 7, and the heat conductivity coefficient of the anti-condensation plate 7 is higher than that of the oil cup 5, so that the probability of condensation of oil smoke on the front side of the oil cup 5 can be reduced, the probability of adhesion of oil stains on the front side of the oil cup 5 is reduced, oil drops are further prevented from dripping on a table top, and the cleaning convenience and the use comfort of the smoke collecting device 100 and the smoke exhaust ventilator are improved. The condensation preventing plate 7 is preferably made of glass material to improve the aesthetic appearance and cleaning convenience of the smoke collecting device 100 and the range hood.

Example five

As shown in fig. 21 and 22, in the embodiment of the present utility model, a smoke collecting device 100 and a range hood are provided, and the smoke collecting device 100 and the range hood provided in the embodiment are substantially the same as those in the second embodiment, only have differences in partial arrangement, and the embodiment will not be repeated for the same structure in the embodiment.

In the present embodiment, the fume collecting chamber 116 forms a mounting space for mounting the oil cup 5, and the oil cup 5 is mounted in the fume collecting chamber 116 and supported at the bottom of the fume collecting chamber 116. The installation space has a front opening, and the lower wind deflector 4 can selectively open or close the front opening of the installation space. When the smoke baffle plate 21 seals the outer air inlet 1121, the smoke baffle plate 21 and the lower wind deflector 4 are arranged at a preset obtuse angle.

According to the arrangement, when the oil cup 5 does not need to be cleaned and replaced, the oil cup 5 can be completely positioned in a space formed by the enclosing of the fume collecting hood 1 and the lower wind shield 4, so that the oil cup 5 is prevented from being exposed, the probability that oil smoke is attached to the outer side face of the oil cup 5 is reduced, the cleaning convenience of the oil cup 5 is improved, and the cleaning difficulty is reduced; meanwhile, the oil cup 5 is hidden at the rear side of the lower wind shield 4, so that the appearance of the range hood is more concise and elegant, and the appearance aesthetic property of the range hood is improved; the arrangement of the lower wind shield 4 can also stop the oil smoke from flowing to the rear side, guide the oil smoke to enter the smoke gathering cavity 1151, play a role in gathering the oil smoke, and further improve the oil smoke pumping and discharging effect; furthermore, when the smoke collecting device 100 is in a closed state, the smoke blocking turning plate 21 and the lower wind shield 4 are arranged at a preset obtuse angle, so that the front end height of the smoke collecting device 100 can be reduced, the front end height of the smoke collecting device 100 is raised, the collision probability of the smoke collecting device 100 and a user is reduced, the structural compactness of the smoke collecting device 100 is improved, and the occupied space of the smoke collecting device 100 is reduced.

To further improve the convenience of replacement of the oil cup 5, the upper end of the lower wind deflector 4 is rotatably connected with the fume collecting hood 1, so that the lower wind deflector 4 rotates to open or close the front side opening. Therefore, when the oil cup 5 needs to be replaced and taken and placed, the front side opening of the lower wind shield 4 is only required to be opened by rotating, and the oil cup 5 does not need to be disassembled.

In other embodiments, the selective opening or closing of the front opening by the lower windscreen 4 may be achieved in other ways, such as for example by detachably connecting the lower windscreen 4 to the fume collecting hood 1, or by providing the lower windscreen 4 with an upper and a lower plate part in sliding connection, the lower plate part being able to slide relative to the upper plate part for opening or closing the front opening.

When the lower wind deflector 4 closes the front side opening, the lower wind deflector 4 has a first included angle with respect to the vertical plane, and the front side edge of the side baffle 13 has a second included angle with respect to the vertical plane, the first included angle being smaller than the second included angle. This kind of setting makes when the front side opening of closing of lower deep bead 4, and the front side of side shield 13 stretches out the front side of lower deep bead 4 forward, can make down deep bead 4, side shield 13 and air inlet curb plate 112 from this and encircle and form the front side and draw in the cigarette space, reduces the probability that the oil smoke escapes from the side direction, improves and draws in the cigarette effect.

The smoke collecting device 100 further comprises a lower plate driving member 10, and the lower plate driving member 10 drives the lower wind deflector 4 to rotate. The lower plate driving member 10 may adopt a push rod motor or other driving structure capable of realizing the rotation of the lower wind deflector 4, which is not limited in this embodiment.

In the present embodiment, the rear end of the smoke gathering chamber 1151 is spaced from the oil collecting chamber 124, so that the intrusion of the smoke entering the smoke gathering chamber 1151 into the lower plate driving member 10 can be reduced. The separation structure can adopt a structure formed by the air inlet side plate 112, and can also realize separation between the smoke gathering cavity 1151 and the oil collecting cavity 124 by installing a separation plate on the air inlet side plate 112.

Further, the rear side chamber wall of the smoke gathering chamber 1151 is provided with an oil leakage port 1156 with a lower opening, the rear end of the air inlet side plate 112 is provided with an oil passing hole 1124, and the oil passing hole 1124 is communicated with the installation space so as to better guide oil drops attached to the separation structure to flow to the rear side of the air inlet side plate 112, and then flow into the oil cup 5.

Further, be provided with transparent observation window on the lower deep bead 4, user accessible observation window observes the inside oil cup 5 of collection petticoat pipe 1 to judge the how much of oil mass in the oil cup 5, make things convenient for the user to judge the clearance or the change opportunity of oil cup 5 according to the observation result, improve user's use experience.

Preferably, two observation windows are arranged at intervals along the left-right direction, so that accuracy of an observation result is improved, convenience in observation of a user is also improved, and the user can observe the state of the oil cup 5 in the cooking process.

In order to ensure the sealing stability of the lower wind shield 4 to the front side opening, in this embodiment, the upper end of the lower wind shield 4 is rotationally connected with the fume collecting hood 1, and the lower end is connected with the fume collecting hood 1 through a clamping connection, a magnetic connection or other detachable connection modes, so that the lower wind shield 4 is in a stable closed state when the oil cup 5 is not required to be removed, and the lower end of the wind shield 4 can be manually removed when the oil cup 5 is required to be removed, so that the lower wind shield 4 can be opened, and then the oil cup 5 is taken out for replacement.

In this embodiment, the oil cup 5 is directly placed on the hood bottom plate 122, so as to save the oil cup mounting structure on the fume collecting hood 1, and improve the convenience of taking and placing the oil cup 5. In order to avoid the oil cup 5 to slide out of the installation space, the front side of the cover bottom plate 122 is upwardly bent with a limiting edge 125, and the limiting edge 125 can stop the oil cup 5, so as to avoid the oil cup 5 from falling out of the installation space and improve the setting stability of the oil cup 5.

Further, when the lower wind deflector 4 closes the front side opening, the lower end of the lower wind deflector 4 abuts against the front side surface of the limit edge portion 125, thereby enabling to ensure the reliability of closing the front side opening by the lower wind deflector 4 and to reduce the gap between the lower end of the lower wind deflector 4 and the smoke collecting hood 1.

In order to improve the cleaning convenience of the oil cup 5 and avoid the overflow of oil in the oil cup 5, preferably, an oil cup detection device is further arranged in the oil collecting cavity 124, and the oil cup detection device is used for detecting whether the oil amount in the oil cup 5 is detected, so as to judge whether the oil cup 5 meets the preset cleaning condition.

Further, in this embodiment, the inside oil cup detection device that is provided with of collection petticoat pipe 1, the range hood includes the controller, oil cup detection device is arranged in detecting whether the oil mass in the oil cup 5 reaches the clearance condition of predetermineeing, when oil cup detection device detects that the oil mass reaches the clearance condition of predetermineeing, the controller sends oil cup clearance suggestion to the user according to oil cup detection device's testing result, oil cup clearance suggestion can be in display device with characters demonstration, warning light scintillation or alarm sound alarm lamp form show, this embodiment does not do specific limitation to the embodiment of oil cup clearance suggestion.

That is, in this embodiment, the automatic detection of the oil quantity in the oil cup 5 can be realized through the oil cup detection device, so that the user can be prompted to clean or replace the oil cup 5 more conveniently, the problem that the oil cup 5 is not cleaned timely due to forgetting or other reasons of the user is avoided, and the use reliability and the use experience of the range hood are improved.

In the present embodiment, the oil cup detection means may be visual detection means to judge the amount of oil in the oil cup 5 by visual detection. In other embodiments, the oil cup detecting device may be a liquid level detecting device to detect whether the oil in the oil cup 5 reaches a preset liquid level, or may be a weight detecting device or a pressure detecting device disposed below the oil cup 5 to detect whether the total weight of the oil cup 5 reaches a preset weight.

That is, the existing arrangement that can be used to realize the detection of the oil amount in the oil cup 5 can be applied to this embodiment, and this embodiment does not limit the specific detection means of the oil amount in the oil cup 5.

Example six

The present embodiment provides a smoke collecting device 100 and a range hood, and the smoke collecting device 100 and the range hood provided in the present embodiment are based on further improvements of the structures in any of the above embodiments, and the present embodiment does not describe the same contents as the above embodiments.

Because in the flue gas pumping and exhausting process, flue gas can collide the leading flank of lower deep bead 4, when lower deep bead 4 is the panel beating face, because panel beating coefficient of heat conductivity is higher, the oil smoke bumps down and condenses easily and produce and hang the stream after striking down deep bead 4, causes the oil droplet to adhere to down deep bead 4, even drips on the top of a kitchen range mesa, influences the outward appearance and causes clean difficulty.

To solve the technical problem, in this embodiment, the lower wind guard 4 at least includes the lower plaque that forms its leading flank, the thermal conductivity of lower plaque is lower than the thermal conductivity of collection petticoat pipe 1, from this make collection petticoat pipe 1 can be made by the panel beating, and the setting of lower plaque can reduce the thermal conductivity of lower wind guard 4 front side, reduce the probability of condensation behind flue gas and the contact of lower wind guard 4 front side, guarantee that the flue gas can be absorbed by pumping mechanism 200 before being condensed into the oil droplet, reduce the probability of oil stain adhesion in lower wind guard 4 front side, improve the convenience of lower wind guard 4 clearance, help reducing the clearance number of times on range hood surface, reduce the probability that the oil droplet drips on the mesa, improve kitchen's health condition.

In this embodiment, the lower decoration plate is preferably made of glass, and has low thermal conductivity, attractive appearance and strong please. In other embodiments, the lower decorative plate may be made of a material with low thermal conductivity, such as rubber or silica gel.

In this embodiment, the lower windscreen 4 further comprises a lining plate arranged inside the lower trim panel, preferably made of sheet metal material, which is advantageous for improving the connection convenience of the lower windscreen 4 to the smoke collecting hood 1 or to the lower plate driving member 10. The inner lining plate is preferably adhered in the lower decorative plate, so that a hole and a groove structure are avoided being formed in the lower decorative plate.

It should be noted that, when the lower ornamental plate is fixedly disposed with respect to the fume collecting hood 1, the inner lining plate may be integrally formed with the lower housing 12, so as to reduce the convenience in processing the lower windshield 4. When the lower wind shield 4 is movably connected with the fume collecting hood 1, the inner decorative plate is connected with the lower plate driving piece 10.

Example seven

As shown in fig. 23, the present embodiment provides a smoke collecting device 100 and a range hood, and the smoke collecting device 100 and the range hood provided in the present embodiment are based on further improvements of the structures in any of the foregoing embodiments, and the present embodiment will not be repeated for the same contents as the foregoing embodiments.

In the embodiment, the heating device 8 is arranged in the fume collecting hood, and the heating device 8 is positioned at the rear side of the lower wind guard 4 and is used for heating the lower wind guard 4, so that the condensation of the fume at the lower wind guard 4 can be prevented, and the fume is effectively prevented from being condensed at the front side of the lower wind guard 4 and being attached to the lower wind guard 4; simultaneously, heating device 8 heats lower deep bead 4 for the front side of lower deep bead 4 is formed with thermal field, and thermal field impels the oil smoke to change flow direction, and upper forward flows, and increases the speed that the air current flows, thereby has improved the effect of oil smoke evacuation, improves the oil absorption effect.

The heating device 8 comprises an electric heating wire which is arranged on the back surface of the lower wind shield 4 so as to reduce the occupied space of the heating device 8 while ensuring the heating effect. The electric heating wires can be arranged in a plurality of left and right directions, or in an up and down direction, or in a serpentine shape on the back surface of the lower wind deflector 4, and the specific arrangement mode of the electric heating wires is not limited in this embodiment.

The heating device 8 may also be any other device capable of realizing electric heating, and the specific type and structure of the heating device 8 in this embodiment are not limited.

Example eight

As shown in fig. 24 and 25, the present embodiment provides a smoke collecting device 100 and a range hood, and the smoke collecting device 100 and the range hood provided in the present embodiment are modifications based on the first embodiment, and the present embodiment will not be repeated for the same content of the first embodiment.

In this embodiment, the smoke collecting device 100 includes a lifting mechanism 3, the lifting mechanism 3 includes a lifting housing 31 and a lifting driving member 32, the upper end of the lifting housing 31 is slidably inserted into the inner side of the lower end of the smoke collecting hood 1, the front side of the lifting housing 31 is provided with a smoke inlet 311, the smoke inlet 311 is communicated with the smoke collecting cavity 116 through the inner cavity of the lifting housing 31, and the lifting driving member 32 is installed in the smoke collecting hood 1 and drives the lifting housing 31 to lift, so that the smoke inlet 311 is selectively exposed out of the smoke collecting hood 1.

The arrangement ensures that the lifting mechanism 3 has an initial state and an extending state, when the lifting mechanism 3 is in the initial state, most of the structure of the lifting shell 31 is positioned in the smoke collecting hood 1, and the oil smoke inlet 311 is at least partially positioned in the smoke collecting hood 1, so that the overall height dimension of the range hood is smaller; when the oil smoke pumping and exhausting effect needs to be enhanced, the lifting driving piece 32 can drive the lifting shell 31 to descend so as to enable the lifting mechanism 3 to be in an extending state, the oil smoke inlet 311 is exposed at the moment, and the oil smoke inlet 311 is communicated with the smoke collecting cavity 116 through the inner cavity of the lifting shell 31, so that oil smoke can enter the smoke collecting cavity 116 from the outer air inlet 1121 and also enter the smoke collecting cavity 116 through the oil smoke inlet 311, the oil smoke inlet position is increased, and the oil smoke pumping and exhausting effect is improved; meanwhile, the oil smoke inlet 311 is lower than the outer air inlet 1121, so that the oil smoke pumping effect can be further enhanced.

Further, the lifting mechanism 3 further comprises a shielding plate 33, when the lifting mechanism 3 is in an initial state, the shielding plate 33 seals the oil smoke inlet 311, when the lifting mechanism 3 is in a state of being lowered from the initial state to an extended state, the shielding plate 33 can open the oil smoke inlet 311, so that when the lifting mechanism 3 is in the initial state, the lower end of the oil smoke inlet 311 can be located on the outer side of the fume collecting hood 1 and sealed by the shielding plate 33, and the opening area of the oil smoke inlet 311 can be increased without increasing the size and lifting stroke of the lifting mechanism 3, so that the oil smoke pumping and exhausting effect is improved.

In this embodiment, the upper end or the lower end of the shielding plate 33 is rotatably connected with the lifting housing 31, and when the lifting mechanism 3 is in the initial state, the rear end of the air inlet side plate 112 or the lower wind shield 4 is pressed against the shielding plate 33, so that the shielding plate 33 seals the oil smoke inlet 311. The lifting mechanism 3 further comprises an elastic member 34, and the elastic member 34 is used for applying a restoring force to the shielding plate 33 to enable the shielding plate 33 to open the oil smoke inlet 311. Whereby when the elevation housing 31 is lowered to the extent that the shielding plate 33 is positioned at the lower side of the hood 1, the pressing force applied to the shielding plate 33 is removed, and the shielding plate 33 is turned over to open the smoke inlet 311 by the elastic force of the elastic member 34.

Further, in the present embodiment, the oil cup 5 is provided at the lower end of the lifting housing 31, and the bottom of the lifting housing 31 is provided with an oil through hole so that the waste oil in the lifting housing 31 flows into the oil cup 5. The upper end opening area of the oil cup 5 is larger than the bottom area of the lifting shell 31, so that the oil cup 5 can receive oil smoke from the air inlet side plate 112, the outer side wall of the lifting shell 31 and the inner side wall of the smoke collecting hood 1, and waste oil is prevented from flowing out.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (24)

1. The utility model provides a collection cigarette device, its characterized in that, including collection petticoat pipe (1) that has collection cigarette chamber (116), collection petticoat pipe (1) have air inlet curb plate (112), air inlet curb plate (112) have indent draw in cigarette chamber (1151), draw in the chamber wall in cigarette chamber (1151) and be provided with first air inlet region and second air inlet region side by side along setting for the direction, second air inlet region is at least partially less than first air inlet region, first air inlet region is provided with first air intake (1152), second air inlet region is provided with a plurality of second air intake (1153), the air inlet side of air inlet curb plate (112) is connected with shielding structure, shielding structure with draw in the opening lateral wall in cigarette chamber (1151) is formed with outer air intake (1121) in the surrounding, first air intake (1152) are just to outer air intake (1121), shielding structure with second air inlet region is relative and interval sets up.

2. The smoke collecting device according to claim 1, wherein a filter screen (6) is mounted on the first air inlet (1152), and the filter screen (6) can be disassembled and assembled through the outer air inlet (1121).

3. The smoke collecting device according to claim 2, wherein the first air inlet area is concavely provided with a mounting groove (1154), the bottom of the mounting groove (1154) is provided with the first air inlet (1152), and the filter screen (6) is mounted in the mounting groove (1154) and detachably connected with the smoke collecting cover (1).

4. A smoke collecting device according to claim 3, wherein a plug-in port (1155) is formed on the side wall of the mounting groove (1154) facing to or away from the second air inlet area, and a mounting hole is formed on the side of the bottom of the mounting groove (1154) away from the plug-in port (1155);

one side of the filter screen (6) is provided with an inserting sheet (61), the inserting sheet (61) is inserted into the inserting port (1155), and the other opposite side of the filter screen (6) is connected through a fastener penetrating through the mounting hole.

5. The smoke collecting device according to claim 1, wherein the set direction is perpendicular to the left-right direction, and the second air inlet area is provided with a plurality of second air inlets (1153) side by side along the left-right direction;

and/or, the second air inlet (1153) is a long strip hole extending along the set direction;

and/or, the second air inlet (1153) is formed by opening a hole on the cavity wall of the smoke collecting cavity (1151);

and/or the ventilation area of the second air inlet (1153) is 200mm ² ～1000mm ² 。

6. The smoke collecting device according to claim 1, wherein an oil leakage port (1156) is formed at the joint of the rear side cavity wall of the smoke collecting cavity (1151) and the shielding structure, and the oil leakage port (1156) is communicated with the smoke collecting cavity (116);

An oil cup (5) is arranged at the lower side of the rear end of the air inlet side plate (112), an oil passing hole (1124) is formed in the rear end of the air inlet side plate (112), and the oil passing hole (1124) is communicated with the oil cup (5).

7. The smoke collecting device according to claim 1, wherein two smoke collecting cavities (1151) are arranged side by side along the left-right direction, and the first air inlet area and the second air inlet area are arranged in one-to-one correspondence with the smoke collecting cavities (1151).

8. The smoke collecting device according to any of the claims 1-7, wherein said air inlet side plate (112) is arranged obliquely backwards from top to bottom and forms a front side cavity wall of said smoke collecting cavity (116), said second air inlet (1153) being located at the lower side of said first air inlet (1152).

9. The smoke collecting device according to any of the claims 1-7, wherein said air inlet side plate (112) is arranged obliquely downwards from front to back, said air inlet side plate (112) forms a lower bottom of said smoke collecting chamber (116), said second air inlet (1153) is located at the rear side of said first air inlet (1152).

10. The smoke collecting device according to claim 9, further comprising a smoke blocking flap (21), the front end of the smoke blocking flap (21) being in rotational connection with the front end of the smoke collecting hood (1) for selectively opening or closing the outer air inlet (1121).

11. The smoke collecting device according to claim 10, wherein the left and right ends of the smoke blocking flap (21) are both rotatably connected with the front side of the smoke collecting hood (1) through a rotary connecting assembly, the smoke collecting device further comprises a flap driving unit (23), the flap driving unit (23) is installed in the smoke collecting cavity (116) and the driving tail end of the flap driving unit extends out of the air inlet side plate (112) and is hinged with the smoke blocking flap (21).

12. The smoke collecting device according to claim 11, wherein the rotary connecting assembly comprises a rotary shaft seat (24), the rotary shaft seat (24) is mounted on the back side of the air inlet side plate (112), the rotary shaft seat (24) is provided with rotary lug parts (242) extending out of the air inlet side plate (112), the rotary lug parts (242) are provided with rotary shaft holes (247), the left side and the right side of the smoke baffle plate (21) are respectively provided with a rotary shaft (223), and the rotary shafts (223) are rotatably arranged in the rotary shaft holes (247) on the corresponding sides.

13. The smoke collecting device according to claim 12, wherein the rotating shaft seat (24) comprises a fixed plate portion (241), one side of the fixed plate portion (241) is attached to the inner side surface of the air inlet side plate (112), a boss portion (243) is convexly arranged on the other opposite side of the fixed plate portion (241), the rotating lug (242) is vertically connected to the fixed plate portion (241), and the rotating shaft seat (24) and the air inlet side plate (112) are connected through a fastener penetrating through the boss portion (243) and the air inlet side plate (112);

And/or, the back of the cigarette blocking turning plate (21) is provided with a connecting plate part (221), the front end of the connecting plate part (221) is convexly provided with a rotating shaft (223), two sides of the front end of the cigarette blocking turning plate (21) are provided with avoidance openings (211), and the rotating shaft (223) is arranged in the corresponding avoidance opening (211).

14. The smoke collecting device according to claim 10, wherein the shielding structure is a lower wind deflector (4) connected to the lower side of the air inlet side plate (112), the lower wind deflector (4) extends downwards from front to back in an inclined manner, and when the smoke blocking flap (21) closes the outer air inlet (1121), the front end of the lower wind deflector (4) is abutted with the rear end of the smoke blocking flap (21).

15. A smoke collecting device according to claim 14, wherein the smoke collecting hood (1) comprises a main housing (11), the main housing (11) is provided with a smoke collecting cavity (116), a smoke collecting cavity (1151) and an air inlet side plate (112), side baffles (13) are arranged on the left side and the right side of the main housing (11), and the orthographic projection of the main housing (11) and the lower wind deflector (4) on the side baffles (13) is positioned on the inner side of the side baffles (13).

16. A smoke collecting device according to claim 15, wherein the lower end of said side baffles (13) is higher than the lower end of said main housing (11), an oil cup (5) is mounted at the lower end of said main housing (11), said oil cup (5) being located between two of said side baffles (13).

17. The smoke-collecting device according to claim 14, wherein when the smoke-blocking flap (21) closes the outer air inlet (1121), the smoke-blocking flap (21) and the air inlet side plate (112) are arranged side by side in front of and behind;

or, collection petticoat pipe (1) have be located lower casing (12) of air inlet curb plate (112) below, lower deep bead (4) install in the front side of lower casing (12), when fender cigarette turns over board (21) and closes outer air intake (1121), lower deep bead (4) with it is the setting of presetting the contained angle to keep off cigarette and turn over board (21).

18. A smoke collecting device according to claim 17, wherein said lower housing (12) is formed with a front side opening mounting cavity communicating with said smoke collecting cavity (116) for mounting an oil cup (5), the upper end of said lower wind deflector (4) being rotatably connected with said smoke collecting hood (1) to open or close said front side opening;

or, the lower end of the lower wind shield (4) is rotationally connected with the fume collecting hood (1) so as to form a side air inlet (43) which can be selectively opened and closed between the upper end of the lower wind shield (4) and the air inlet side plate (112), and the side air inlet (43) is communicated with the inner cavity of the lower shell (12);

Or, the lower wind shield (4) comprises a fixed baffle (41) and a movable baffle (42), a side air inlet (43) is formed in the fixed baffle (41), the side air inlet (43) is communicated with the smoke collecting cavity (116) through the inner cavity of the lower shell (12), and the movable baffle (42) is movably connected with the fixed baffle (41) so as to open or close the side air inlet (43);

or, a communication port is formed between the upper end of the lower wind shield (4) and the rear side cavity wall of the smoke gathering cavity (1151), an oil passing hole (1124) is formed in the rear end of the air inlet side plate (112), the communication port is communicated with the inner cavity of the lower shell (12), and the inner cavity of the lower shell (12) is communicated with the smoke collecting cavity (116) through the oil passing hole (1124).

19. The smoke collecting device according to any one of claims 1-7, wherein a smoke outlet is formed in the top of the smoke collecting hood (1), an upper cover assembly (9) is arranged at the smoke outlet, the upper cover assembly (9) comprises an upper cover (91) and a silencing piece (92) arranged on the upper side of the upper cover (91), and a plurality of silencing holes (914) are formed in the upper cover (91).

20. The smoke collecting device according to claim 19, wherein said upper cover (91) is concavely provided with a concave portion (913), a plurality of said sound deadening holes (914) are provided at the bottom of said concave portion (913), and said sound deadening member (92) is mounted in said concave portion (913).

21. The smoke collecting device according to claim 20, wherein said recess (913) has a flow guiding portion (9131) at least at the front end, said flow guiding portion (9131) extending obliquely downward from front to back, said flow guiding portion (9131) being disposed opposite to said first air inlet (1152).

22. The smoke collecting device according to any one of claims 1-7, further comprising a lifting mechanism (3), wherein the lifting mechanism (3) comprises a lifting shell (31) and a lifting driving member (32), the lifting shell (31) is mounted at the lower end of the smoke collecting hood (1) and the inner cavity of the lifting shell (31) is communicated with the smoke collecting cavity (116), the front side of the lifting shell (31) is provided with a smoke inlet (311), and the lifting driving member (32) drives the lifting shell (31) to vertically lift relative to the smoke collecting hood (1) so that the smoke inlet (311) is selectively exposed to the smoke collecting hood (1).

23. A smoke collecting device according to claim 22, wherein the lifting mechanism (3) further comprises a shielding plate (33), said shielding plate (33) being capable of shielding the smoke inlet (311) when the lifting housing (31) is in an initial state and automatically opening the smoke inlet (311) when the lifting housing (31) is lowered relative to the smoke collecting hood (1).

24. A range hood comprising a smoke collecting device as claimed in any one of claims 1 to 23.