CN209840225U - Smoke collecting device and range hood - Google Patents

Abstract

The utility model provides a collection cigarette device and lampblack absorber relates to clarification plant technical field. The smoke collecting device comprises a smoke collecting hood and a mesh enclosure, wherein the mesh enclosure comprises a top plate and a side plate arranged around the top plate in an enclosing manner, and meshes are arranged on the side plate; a smoke suction port is arranged on a smoke collection panel of the smoke collection cover, the net cover is positioned in the containing cavity of the smoke collection cover, the net cover is covered on the smoke suction port, and the projections of the side plates on the smoke collection panel along the vertical direction are all positioned at the periphery of the corresponding smoke suction port; this lampblack absorber includes communicating pipe and above-mentioned collection cigarette device, communicates on the exhaust port of collection cigarette cover of collection cigarette device communicating pipe. The oil stain formed on the mesh enclosure can be directly guided to the inner wall of the smoke collection panel, and the top plate can also bear the oil stain formed in the upper area of the mesh enclosure, so that the oil stain formed in the smoke collection hood and on the mesh enclosure can be greatly reduced and can drop downwards, the occurrence of pollution to tableware on a cooking bench is caused, and the use sanitation and convenience of the smoke collection device are correspondingly improved.

Description

Smoke collecting device and range hood

Technical Field

The utility model relates to a clarification plant technical field especially relates to a collection cigarette device and lampblack absorber.

Background

The process of making Chinese traditional food culture includes frying, stir-frying, roast etc. and the in-process of preparation food has produced a large amount of oil smoke, and the oil smoke is not only comparatively serious to the environmental pollution in kitchen, and kitchen operating personnel stay in the oil smoke environment for a long time moreover and harm to the health great, serious, can suffer from cancer even, consequently, the extensive application of lampblack absorber is among the kitchen, and the lampblack absorber is the electrical apparatus of the oil smoke that produces when the kitchen of family for clean suction cooks.

In order to reduce the purification load of the tail end purification system on oil smoke components in the exhaust gas of the range hood, a filter screen is generally installed in the existing range hood to primarily filter and purify the oil smoke gas, the oil smoke components in the oil smoke gas are adhered to the filter screen, and the gas passes through the filter screen and is exhausted out of the range hood. However, the oil stain formed inside the existing smoke collecting hood can drop downwards through the filter screen, or the oil stain formed on the filter screen drops downwards, so that the condition of pollution to the cookware on the cooking bench is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a collection cigarette device and lampblack absorber to solve the inside greasy dirt that forms of collection petticoat pipe that exists among the prior art and can drip through the filter screen downwards, or the greasy dirt that forms on the filter screen exists and drips downwards, causes the technical problem of pollution to the pan on the top of a kitchen range etc..

The utility model provides a smoke collecting device, which comprises a smoke collecting hood and a mesh enclosure, wherein the mesh enclosure comprises a top plate and a side plate arranged around the top plate, and meshes are arranged on the side plate; a smoke suction port is formed in a smoke collection panel of the smoke collection cover, the net cover is located in an accommodating cavity of the smoke collection cover, the net cover is covered on the smoke suction port, and projections of the side plates on the smoke collection panel along the vertical direction are located on the periphery of the corresponding smoke suction port; and external gas can enter the accommodating cavity of the smoke collecting hood through the meshes.

Furthermore, the bottom end of the side plate is provided with a first flanging outwards along the circumferential direction.

Furthermore, the smoking port is provided with a second flanging upwards along the circumferential direction.

Further, in the projection of the mesh enclosure on the plane perpendicular to the top plate of the mesh enclosure, the contour line of at least one projection can be completely accommodated in the area where the smoking opening is located.

Furthermore, the number of the smoking ports is two, and the two smoking ports are arranged at intervals along the left and right direction of the smoke collection panel; the mesh enclosures are two, two mesh enclosures with two smoking mouth one-to-one.

Further, be equipped with the fixed bolster on the collection cigarette panel, the screen panel with the detachable rigid coupling of fixed bolster.

Furthermore, be equipped with the setting element on the collection cigarette panel, the setting element with the fixed bolster is followed the circumference dispersion of smoking mouth is arranged, forms jointly right the screen panel carries out the location space of fixing a position, the screen panel inlay in the location space.

Furthermore, the positioning piece comprises two positioning plates, an included angle formed between the two positioning plates is an inferior angle, and the included angle faces the mesh enclosure.

Furthermore, the top end of the positioning plate is outwards turned with a guide plate.

Another object of the utility model is to provide a range hood, including communicating pipe and above-mentioned collection cigarette device, communicating pipe communicate in on the exhaust port of collection cigarette cover of collection cigarette device.

The utility model discloses smoke collecting device and lampblack absorber's beneficial effect does:

the utility model provides a smoke collecting device and a range hood, wherein, the smoke collecting device comprises a smoke collecting hood for collecting kitchen oil smoke and a mesh enclosure for preliminarily filtering and purifying the oil smoke entering the smoke collecting hood, the top plate of the mesh enclosure is arranged without holes, and the side plate of the mesh enclosure is provided with meshes for the oil smoke to pass through and filter; wherein, the lampblack absorber includes that the aforesaid is used for carrying out the collection petticoat pipe that purifies to the kitchen oil smoke and is used for carrying the communicating pipe to outside assigned position with the oil smoke in the collection petticoat pipe.

When the lampblack absorber needs to be used to generate lampblack in a kitchen, the lampblack absorber is opened, the lampblack in the kitchen moves upwards under the suction effect of the lampblack absorber, reaches a smoke suction port, enters the smoke collecting hood through meshes in the side plate of the net cover, and then is conveyed to designated positions such as a public flue through the communicating pipe. The net cover is arranged on the smoke suction port of the smoke collecting cover, the top plate is a hole-free plate body, the side plate covers the smoke suction port, and the projections of the side plates in the vertical direction are all located on the periphery of the smoke suction port.

On the one hand, the oil smoke flows through the process of screen panel curb plate, and the net gape on the curb plate filters the oil smoke, and the oil smoke granule forms the greasy dirt on the curb plate of screen panel, and the greasy dirt flows down along the curb plate under the water conservancy diversion effect of self gravity and curb plate, flows to the curb plate bottom, and the bottom of curb plate all is located the periphery of smoking mouth, therefore the greasy dirt of curb plate bottom can all flow to the inner wall of collection cigarette panel on, the greasy dirt flows to the assigned position under the water conservancy diversion effect of collection cigarette panel afterwards. On the other hand, still have some greasy dirt on the curb plate and still flow to just break away from the curb plate and drip downwards under self gravity bottom, because the projection of curb plate in vertical direction all is located the smoking mouth periphery, then the greasy dirt on the curb plate or the greasy dirt that is located the mesh top position in the collection petticoat pipe when self action of gravity drips downwards, all can drip to the inner wall of collection cigarette panel on to flow to the assigned position under the water conservancy diversion effect of collection cigarette panel, thereby further reduce the greasy dirt and drip to the top of a kitchen range through the smoking mouth and cause the emergence of pollution situation to it. On the other hand, the oil smoke entering the smoke collecting hood collides with each part inside the smoke collecting hood, oil smoke particles are adhered to the outer wall of each part to form oil stains, and the oil stains drip downwards under the action of self gravity, wherein the oil stains dripping downwards in the area above the top plate of the mesh enclosure in the smoke collecting hood can drip on the top plate of the mesh enclosure, and then the top plate guides the oil stains to the inner wall of the smoke collecting panel or guides the oil stains to the inner wall of the smoke collecting panel through the side plates of the mesh enclosure and guides the oil stains to a specified position through the smoke collecting panel; wherein, the greasy dirt that other regions formed in the collection petticoat pipe then directly drips to the collection cigarette panel inner wall on, through collection cigarette panel water conservancy diversion to assigned position.

The setting form of screen panel among this collection cigarette device, the greasy dirt that forms on the screen panel can direct water conservancy diversion to collection cigarette panel inner wall on, the greasy dirt that corresponds the downward drippage of position with the curb plate also can directly drip to the inner wall of collection cigarette panel on, the roof of screen panel can also accept the greasy dirt that lies in the regional formation in screen panel top in the collection petticoat pipe, and with its water conservancy diversion to collection cigarette panel's inner wall on, thereby the greasy dirt that forms on the screen panel in the collection petticoat pipe that reduces greatly drips downwards, cause the emergence of pollution circumstances to the tableware on the top of a kitchen range, the sanitary nature of use and the convenience of corresponding improvement collection cigarette device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of a three-dimensional structure of a range hood provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of the range hood provided by the embodiment of the present invention when being matched with a gas stove, and the range hood is a front sectional view of the range hood in fig. 1;

FIG. 3 is an enlarged view of part A of FIG. 2;

FIG. 4 is a left side sectional view of the range hood of FIG. 1;

fig. 5 is a schematic view of a first internal structure of a smoke collecting device according to an embodiment of the present invention, wherein a mesh enclosure is disposed on a smoke suction opening;

fig. 6 is a schematic view of a second internal structure of the smoke collecting device according to the embodiment of the present invention, wherein the net cover is separated from the smoke absorbing opening;

fig. 7 is a schematic view of a third internal structure of the smoke collecting device according to the embodiment of the present invention, wherein the mesh enclosure is turned over and then extends into the smoke absorbing opening;

fig. 8 is a schematic view of a fourth internal structure of the smoke collecting device according to the embodiment of the present invention;

fig. 9 is a partially enlarged view of B in fig. 8.

Icon: 1-a smoke collecting hood; 11-a smoke collecting panel; 111-a smoking port; 112-a second flange; 12-a fixed support; 13-a positioning element; 131-a positioning plate; 132-a guide plate; 133-a base plate; 14-an upper cover plate; 2-a mesh enclosure; 21-a top plate; 22-side plate; 221-mesh; 222-a first cuff; 3-connecting the plates; 4-a fan outer cover; 5-a fan assembly; 6-check valve; 7-an oil collecting cup; 8-oil guide component.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present embodiment provides a smoke collecting device, as shown in fig. 1-8, including a smoke collecting hood 1 and a mesh enclosure 2, where the mesh enclosure 2 includes a top plate 21 and a side plate 22 surrounding the top plate 21, and the side plate 22 is provided with meshes 221; be equipped with smoking mouth 111 on the collection cigarette panel 11 of collection petticoat pipe 1, the screen panel 2 is located the intracavity that holds that forms between collection cigarette panel 11 and the collection petticoat pipe 1, and screen panel 2 covers and locates on smoking mouth 111, and outside gas can get into the intracavity that holds of collection petticoat pipe 1 through mesh 221.

This embodiment still provides a lampblack absorber, including communicating pipe and above-mentioned collection cigarette device, communicate on the exhaust port of collection petticoat pipe 1 of collection cigarette device communicating pipe.

The smoke collecting device and the range hood provided by the embodiment comprise a smoke collecting hood 1 for collecting kitchen oil smoke and a mesh enclosure 2 for primarily filtering and purifying the oil smoke entering the smoke collecting hood 1, wherein a top plate 21 of the mesh enclosure 2 is arranged without holes, and a side plate 22 of the mesh enclosure 2 is provided with meshes 221 for allowing the oil smoke to pass through and filtering the oil smoke; wherein, the lampblack absorber includes above-mentioned collection petticoat pipe 1 that is used for purifying kitchen oil smoke and is used for carrying the oil smoke in the collection petticoat pipe 1 to outside assigned position's communicating pipe.

When the range hood needs to be used for generating oil smoke in a kitchen, the range hood is opened, the oil smoke in the kitchen moves upwards under the suction action of the range hood, enters the smoke collecting cover 1 through the meshes 221 on the side plate 22 of the net cover 2 after reaching the smoke suction port 111, and is then conveyed to the designated positions such as a public flue through the communicating pipe. The net cover 2 is covered on the smoke suction port 111 of the smoke collecting cover 1, the top plate 21 is a non-porous plate body, the side plate 22 is covered on the smoke suction port, and the projections of the side plate 22 in the vertical direction are all positioned on the periphery of the smoke suction port 111.

On the one hand, the process that the oil smoke flows through screen panel 2 curb plate 22, mesh 221 on the curb plate 22 filters the oil smoke, the oil smoke granule forms the greasy dirt on the curb plate 22 of screen panel 2, the greasy dirt flows down along curb plate 22 under self gravity and the water conservancy diversion effect of curb plate 22, flow to curb plate 22 bottom, and the bottom of curb plate 22 all is located the periphery of smoking mouth 111, consequently the greasy dirt of curb plate 22 bottom can all flow to the inner wall of collection cigarette panel 11 on, the greasy dirt flows to the assigned position at the water conservancy diversion effect of collection cigarette panel 11 afterwards. On the other hand, still have some greasy dirt on curb plate 22 and still flow to curb plate 22 bottom and just break away from the curb plate and drip downwards under self gravity, because the projection of curb plate in vertical direction all is located smoking mouth 111 periphery, then greasy dirt on curb plate 22 or the greasy dirt that is located the mesh 221 top position in collection petticoat pipe 1 all can drip to the inner wall of collection petticoat pipe panel 11 when dripping downwards under self gravity to flow to assigned position under the water conservancy diversion effect of collection petticoat pipe panel 11, thereby further reduce the greasy dirt and drip to the top of a kitchen range through smoking mouth 111 and cause the emergence of pollution situation to it. On the other hand, the oil smoke entering the smoke collection hood 1 collides with each part inside the smoke collection hood, oil smoke particles are adhered to the outer wall of each part to form oil stains, and the oil stains drip downwards under the action of self gravity, wherein the oil stains dripping downwards in the area above the top plate 21 of the mesh enclosure 2 in the smoke collection hood 1 can drip on the top plate 21 of the mesh enclosure 2, and then the top plate 21 guides the oil stains to the inner wall of the smoke collection panel 11 or guides the oil stains to the inner wall of the smoke collection panel 11 through the side plates 22 of the mesh enclosure 2 and guides the oil stains to a specified position through the smoke collection panel 11; wherein, the greasy dirt that forms in other regions in the collection petticoat pipe 1 then directly drops to collection cigarette panel 11 inner wall downwards on, through collection cigarette panel 11 water conservancy diversion to the assigned position.

The form that sets up of screen panel 2 among this collection cigarette device, the greasy dirt that forms on the screen panel 2 can directly water conservancy diversion to collection cigarette panel 11 inner wall on, the greasy dirt that corresponds the downward drippage of position with curb plate 22 also can directly drip to collection cigarette panel 11's inner wall on, screen panel 2's roof 21 can also accept the greasy dirt that is located the regional formation in screen panel 2 top in collection petticoat pipe 1, and with its water conservancy diversion to collection cigarette panel 11's inner wall on, thereby reduce the greasy dirt that forms downwards on collection petticoat pipe 1 and the screen panel 2 greatly, cause the emergence of pollution condition to the tableware on the top of a kitchen range, the corresponding sanitary nature of use and the convenient degree that improve collection cigarette device.

Specifically, as shown in fig. 4, the smoke collecting cover 1 includes a surrounding plate and an upper cover plate 14 covering the surrounding plate, a smoke exhaust port is left between the top plate 21 and the surrounding plate, a smoke collecting panel 11 is provided at the bottom of the surrounding plate, and a control panel may be provided on a front side plate 22 of the surrounding plate. When installing the fan in the lampblack absorber, install fan dustcoat 4 on the exhaust port, be connected through connecting plate 3 between fan dustcoat 4 and the collection petticoat pipe 1, fan dustcoat 4 internally mounted has fan subassembly 5, uses the lampblack absorber to be, and fan subassembly 5 is the negative pressure state with the inside suction of collection petticoat pipe 1, orders about outside oil smoke and gets into collection petticoat pipe 1 inside. Can also install in the collection petticoat pipe 1 and lead oil component 8, lead the below that oil component 8 is located the fan, the greasy dirt that forms on the fan shell can drip downwards to leading oil component 8 on, lead oil component 8 and lead the greasy dirt water conservancy diversion to assigned position afterwards to reduce the greasy dirt on the fan and drip downwards to screen panel 2 on, probably cause the emergence of the greasy dirt circumstances of dripping.

In this embodiment, as shown in fig. 4, the smoke collecting panel 11 is arranged to be inclined downward from outside to inside, the oil collecting cup 7 is arranged at the bottom of the smoke collecting cover 1, and the oil stain guided on the smoke collecting panel 11 can enter the oil collecting cup 7. The oil collecting cup 7 temporarily stores the oil stain collected by the fume collecting hood 1, and after the oil stain collecting cup is used for a period of time, the oil stain in the oil collecting cup 7 is cleaned, so that the convenience of use of the range hood is further improved.

In this embodiment, the projections of the side plates 22 on the smoke collection panel 11 along the vertical direction are all located at the periphery of the corresponding smoke suction ports 111. Greasy dirt formed on the side plate 22 of the mesh enclosure 2 or greasy dirt guided to the side plate 22 of the mesh enclosure 2 by the top plate 21 and the like, wherein a part of the greasy dirt flows to the inner wall of the smoke collection panel 11 under the guiding action of the side plate 22 and then is guided to a designated position by the smoke collection panel 11; still can have some greasy dirt to flow to curb plate 22 bottom still and just break away from curb plate 22 and drip downwards under self gravity on curb plate 22, because curb plate 22 all is located corresponding smoking mouth 111 periphery along the projection of vertical direction on collection cigarette panel 11, the greasy dirt drips along vertical direction under the action of gravity, then the greasy dirt that drips on the curb plate 22 all can drip on collection cigarette panel 11's the inner wall, collection cigarette panel 11 is with this part greasy dirt water conservancy diversion to the assigned position afterwards, thereby reduce the greasy dirt that drips on the curb plate 22 or the greasy dirt that collection petticoat pipe 1 inside drips downwards through mesh 221 on the curb plate 22 and drip to the top of a kitchen range on smoking mouth 111 downwards, cause the emergence of the pollution condition to the top of a kitchen range, thereby further improve collection cigarette device's practicality.

In this embodiment, as shown in fig. 3, a first flange 222 may be provided at the bottom end of the side plate 22 along the circumferential direction thereof. Firstly, the oil stain on the side plate 22 of the mesh enclosure 2 guided to the bottom by the side plate 22 flows to the first flange 222, and flows towards the direction far away from the smoke suction port 111 under the guiding action of the first flange 222 until the oil stain flows onto the smoke collection panel 11, compared with the case that the mesh enclosure 2 side plate 22 is not provided with the first flange 222, the distance between the oil stain flowing onto the smoke collection panel 11 through the first flange 222 after the first flange 222 is arranged and the smoke suction port 111 is increased, so that the oil stain flowing to the smoke suction port 111 in the oil stain guiding process of the smoke collection panel 11 is reduced, and the oil stain drops downwards; secondly, the first flanging 222 is circumferentially arranged at the bottom of the side plate 22, so that the strength of the side plate 22 can be effectively improved, and the probability of deformation of the side plate 22 due to stress in the transportation or installation process is reduced; again, the first flange 222 can be used as a connection site of the net cover 2 for connection with the smoke collection panel 11 and the like to reduce damage to the side panel 22 and the like caused by the connection net cover 2.

In this embodiment, as shown in fig. 3, the smoking opening 111 may be provided with a second flange 112 upward along the circumferential direction thereof. The setting of second turn-ups 112 can increase the height of smoking mouth 111 relative collection cigarette panel 11, and the greasy dirt on the collection cigarette panel 11 needs the height that highly is higher than second turn-ups 112 just can drip downwards through smoking mouth 111 to further reduce the pollution that the greasy dirt caused the top of a kitchen range from smoking mouth 111 drippage.

In this embodiment, as shown in fig. 2, two smoking openings 111 may be provided, two smoking openings 111 are arranged at intervals along the left and right direction of the smoke collecting panel 11, two mesh enclosures 2 are provided, and the two mesh enclosures 2 correspond to the two smoking openings 111 one by one. The current top of a kitchen range generally includes two stoves about, sets up two smoke absorption mouth 111 on the collection petticoat pipe 1, and two stoves one-to-one on two smoke absorption mouths 111 and the top of a kitchen range is compared single smoke absorption mouth 111 when using the lampblack absorber, and during two smoke absorption mouths 111, the distance that smoke absorption mouth 111 distance corresponds the stove is shortened, and smoke absorption mouth 111 strengthens the suction power to the oil smoke that corresponds the stove production to improve the purifying effect of lampblack absorber to the oil smoke.

Specifically, in the present embodiment, as shown in fig. 2, of the two smoking ports 111, the smoking port 111 on the left side is disposed obliquely to the left, and the smoking port 111 on the right side is disposed obliquely to the right. The distance between the left burner and the right burner on the cooking bench is fixed, the two smoke suction ports 111 on the range hood are respectively arranged in a left-right inclined manner and are arranged downwards compared with the smoke suction ports 111, the distance between the two smoke suction ports 111 is reduced, and the volume of the smoke collecting hood 1 can be effectively reduced; in addition, when the two smoke suction ports 111 work, the overlapping range of the smoke gathering areas is reduced, and the adverse effect of interference caused by sucking the oil smoke between the two smoke suction ports 111 on the purification effect of the range hood is correspondingly reduced.

In this embodiment, as shown in fig. 6, a fixing bracket 12 may be disposed on the smoke collecting panel 11, and the mesh enclosure 2 is detachably fixed to the fixing bracket 12. The positioning piece 13 can be further arranged on the smoke collection panel 11, the positioning piece 13 and the fixed support 12 are distributed in a dispersed mode along the circumferential direction of the smoke suction port 111, a positioning space for positioning the mesh enclosure 2 is formed jointly, and the mesh enclosure 2 is embedded in the positioning space. When the mesh enclosure 2 is installed, the opening of the mesh enclosure 2 faces the smoke suction port 111, then the mesh enclosure 2 is downwards embedded in a positioning space formed by the fixed support 12 and the positioning piece 13 together, the positioning space limits the position, the angle and the like of the mesh enclosure 2 relative to the smoke collection panel 11, after the position is determined, the mesh enclosure 2 and the fixed support 12 are detachably connected together, and the fixed connection of the mesh enclosure 2 and the smoke collection panel 11 is realized. Specifically, the mesh enclosure 2 and the fixed support 12 can be detachably fixed by a threaded fastener, a buckle, and the like.

In this embodiment, in the projection of the mesh enclosure 2 perpendicular to the plane of the top plate 21, at least one contour line of the projection can be completely accommodated in the area where the smoking opening 111 is located. In a plurality of planes (can understand that the plane of the different angles of round is set up around the periphery of screen panel 2) of roof 21 of screen panel 2, screen panel 2 can obtain a profile by projection on every plane, the outline line of this profile is the biggest overall dimension of screen panel 2 towards this plane direction promptly, when the outline line parallel of this profile is arranged in on smoking mouth 111 and can be located smoking mouth 111 region completely, then when making it can project on smoking mouth 111 and obtain above-mentioned profile through upset screen panel 2, can take out screen panel 2 through smoking mouth 111 from inside to outside, on the basis of realizing that screen panel 2 leads oil, the oil removal effect, the operation such as washing, change of taking out of screen panel still being convenient for.

Simply, it can be understood that the width of the mesh enclosure 2 is smaller than the maximum linear distance of the smoking opening 111, when the mesh enclosure 2 is detached, as shown in fig. 5, the mesh enclosure 2 and the smoking opening 111 are both irregular rectangles, and the diagonal line of the smoking opening 111 is longer than the width of the mesh enclosure 2; the mesh enclosure 2 is detached from the fixed bracket 12, the mesh enclosure 2 is lifted upwards according to the arrow direction shown in fig. 5, then the mesh enclosure 2 is rotated by a certain angle according to the arrow direction shown in fig. 6, then the mesh enclosure 2 is turned downwards according to the arrow direction shown in fig. 7, and the mesh enclosure 2 is taken out from the smoking opening 111 for cleaning or replacing and the like. When the installation is carried out, the installation can be carried out according to the reverse operation, and the operation process is only the installation and operation process which can be implemented and is not limited to the operation.

Specifically, in the embodiment, as shown in fig. 9, the positioning element 13 may include two positioning plates 131, and an included angle formed between the two positioning plates 131 is a minor angle, and the included angle faces the mesh enclosure 2. A positioning space is formed between the positioning member 13 and the fixing bracket 12, wherein two positioning plates 131 of a single positioning member 13 can limit and position two directions of the net cover 2, so as to realize effective positioning of the positioning member 13 on the net cover 2. Specifically, can be provided with two setting elements 13 and a fixed bolster 12 along the circumference of smoking mouth 111, four locating plates 131 of two setting elements 13 limit the location to four directions of screen panel 2, and fixed bolster 12 limits the location to a direction of screen panel 2 to lock screen panel 2 firmly on collection cigarette panel 11, reduce screen panel 2 and take place the skew, lead to the emergence of the greasy dirt from the circumstances of smoking mouth 111 drippage.

Specifically, as shown in fig. 9, the positioning member 13 may further include a bottom plate 133, bottom ends of the two positioning plates 131 are both fixed to the bottom plate 133, and the bottom plate 133 is fixed to the smoke collecting panel 11.

In this embodiment, as shown in fig. 9, the top end of the positioning plate 131 may be folded outwards to form a guiding plate 132. The setting of deflector 132 increases the opening in location space, and the screen panel 2 of being convenient for is packed into the location space, improves the convenient degree of use of collection cigarette device.

In this embodiment, as shown in fig. 4, the smoke outlet of the range hood may be communicated with a check valve 6. When the range hood is in a use state, the check valve 6 is in an open state, and oil smoke in the smoke collecting hood 1 can be discharged to the outside through the check valve 6; when the range hood is in a standby state, the check valve 6 is controlled to be in a blocking state, and the check valve 6 separates the smoke collecting hood 1 and a public flue or an external space into two independent spaces, so that the situation that secondary pollution is caused to a kitchen due to the fact that oil smoke in the public flue is re-filled to the kitchen through the range hood is reduced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (10)

1. The smoke collecting device is characterized by comprising a smoke collecting hood (1) and a mesh enclosure (2), wherein the mesh enclosure (2) comprises a top plate (21) and a side plate (22) arranged around the top plate (21), and meshes (221) are arranged on the side plate (22);

a smoke suction port (111) is formed in a smoke collection panel (11) of the smoke collection cover (1), the mesh enclosure (2) is located in an accommodating cavity of the smoke collection cover (1), the mesh enclosure (2) is covered on the smoke suction port (111), and projections of the side plates (22) on the smoke collection panel (11) along the vertical direction are located on the periphery of the corresponding smoke suction port (111); external gas can enter the containing cavity of the smoke collecting hood (1) through the mesh (221).

2. A fume collecting device according to claim 1, characterized in that the bottom end of said side plate (22) is provided with a first flange (222) outwardly along its circumference.

3. A smoke collecting device according to claim 1, wherein said smoking opening (111) is provided with a second turned-up edge (112) upwards along its circumference.

4. A smoke collecting device according to any one of claims 1-3, wherein at least one projected contour line of said net cover (2) in a projection perpendicular to the plane of its ceiling (21) is able to be completely accommodated in the area of said smoking opening (111).

5. A smoke collecting device according to any one of claims 1-3, wherein said smoke sucking ports (111) are two, and two of said smoke sucking ports (111) are arranged at intervals along the left-right direction of said smoke collecting panel (11); the number of the net covers (2) is two, and the two net covers (2) correspond to the two smoking openings (111) one by one.

6. A smoke collecting device according to any one of claims 1-3, wherein said smoke collecting panel (11) is provided with a fixing bracket (12), and said net cover (2) is detachably fixed to said fixing bracket (12).

7. The smoke collecting device according to claim 6, wherein a positioning member (13) is disposed on the smoke collecting panel (11), the positioning member (13) and the fixing bracket (12) are distributed along the circumferential direction of the smoke absorbing opening (111) to form a positioning space for positioning the mesh enclosure (2), and the mesh enclosure (2) is embedded in the positioning space.

8. A smoke collecting device according to claim 7, wherein said positioning member (13) comprises two positioning plates (131), an included angle formed between said two positioning plates (131) is a minor angle, and said included angle faces said mesh enclosure (2).

9. The fume collecting device according to claim 8, characterized in that the top end of said positioning plate (131) is folded outwards to form a guide plate (132).

10. A range hood, characterized by, including communicating pipe and the fume collecting device of any claim 1-9, the said communicating pipe communicates on the smoke vent of the fume collecting hood (1) of the said fume collecting device.