CN220303727U - Tuyere plate and range hood - Google Patents

Abstract

The utility model relates to a wind gap board and lampblack absorber, the wind gap board that this application provided includes the plate body and sets up the water conservancy diversion portion on the plate body, has offered the air intake that is used for the intercommunication to collect the cigarette chamber on the plate body, and the air intake is used for supplying external oil smoke to pass through in order to get into the cigarette chamber; the air inlet is arranged at the upper end of the air inlet plate, the air inlet is arranged at the lower end of the air inlet plate, the air inlet is arranged at the upper end of the air inlet plate, the air inlet is. The utility model provides a wind gap board can promote the performance of lampblack absorber.

Description

Tuyere plate and range hood

Technical Field

The application relates to the technical field of kitchen appliances, in particular to an air port plate and a range hood with the air port plate.

Background

The kitchen ventilator can quickly pump away the waste generated in the combustion of the kitchen range and the oil smoke harmful to human bodies in the cooking process, and discharge the oil smoke outdoors, and simultaneously condenses and collects the oil smoke. At present, the side-draft range hood is widely used because of good aesthetic effect and good suction and exhaust effect.

Generally, the side-draft range hood comprises a shell, an opening and closing plate and a wind gap plate, wherein an oil cup is arranged at the bottom of the shell, a fan assembly is arranged at the middle position of the top of the shell, the opening and closing plate is rotationally connected to the front side of the shell, the wind gap plate is arranged in the shell and is provided with an air inlet communicated with a smoke collecting cavity in the shell, the opening and closing plate can rotate relative to the shell to hide the wind gap plate or expose the wind gap plate, so that external oil smoke can enter the smoke collecting cavity through the air inlet when the wind gap plate is exposed.

However, in the above range hood, the flow direction of the oil on the tuyere plate is not determined, so that the flow path of the oil on the tuyere plate is long.

Disclosure of Invention

The technical problem that this application will solve is that the flow direction of oil liquid on the tuyere stock is uncertain in the present lampblack absorber, then can make the flow path of fluid on the tuyere stock longer.

The technical scheme for solving the technical problems is as follows:

on one hand, the application provides a tuyere plate, which is applied to a range hood, the range hood comprises a shell, the shell is provided with a smoke collecting cavity and a mounting port communicated with the smoke collecting cavity, and the tuyere plate is connected with the shell and is covered at the mounting port; the air inlet plate comprises a plate body and a flow guide part arranged on the plate body, an air inlet used for communicating the smoke collecting cavity is formed in the plate body, and the air inlet is used for allowing external oil smoke to pass through so as to enter the smoke collecting cavity; the air inlet is arranged at the upper end of the air inlet plate, the air inlet is arranged at the lower end of the air inlet plate, the air inlet is arranged at the upper end of the air inlet plate, the air inlet is.

Adopt above-mentioned technical scheme's beneficial effect is, through set up water conservancy diversion portion on the plate body, then can be with the fluid that is located both ends about the tuyere stock to the middle part of tuyere stock guide for fluid can flow according to the established direction, consequently can shorten the flow path of fluid, so that more fluid can flow in the oil cup that is located the casing bottom, avoids more fluid to adhere to on the tuyere stock, then can promote the holistic performance of lampblack absorber.

In some alternative embodiments, the number of the diversion parts is two, and the two diversion parts are axisymmetrically arranged relative to the central axis of the tuyere plate.

The oil cup has the beneficial effects that through the arrangement of the two flow guide parts symmetrically arranged relative to the central axis l, oil at the left end or the right end of the air port plate can flow into the oil cup.

In some alternative embodiments, the flow guide is a raised structure that is raised relative to the plate body or a recessed structure that is recessed relative to the plate body.

In some alternative embodiments, the flow guide is a first rib; the plate body comprises a main plate and a guide plate connected to the top of the main plate, and the air inlet is formed in the main plate; the main plate comprises two top walls which extend in the left-right direction and are axisymmetrically arranged relative to the central axis, and the top walls extend upwards in the direction from the central axis to the left end and the right end of the tuyere plate; a first accommodating space is formed between the two top walls, the guide plate is positioned in the first accommodating space and connected with the two top walls, the guide plate is provided with a guide surface covering an opening area of the first accommodating space, and two first ribs are formed at the joint of the guide surface and the two top walls.

The oil guiding device has the beneficial effects that the guiding surface is a triangular guiding surface, oil on the guiding surface can flow to the middle position of the air port plate along the first convex edge and then flow into the oil cup, and more oil can be prevented from being attached to the air port plate or flowing to a kitchen range below the range hood to a certain extent.

In some alternative embodiments, the first rib is angled between 12 ° and 25 ° from horizontal.

The beneficial effect of adopting above-mentioned scheme is, like this, through restricting the contained angle between first bead and the horizontal direction, then make the fluid that is located on the guide plate can flow to the middle part of wind gap board along first bead, and then flow to the oil cup in, can avoid the fluid to flow on first bead in a certain extent moreover, directly whereabouts drip on the cooking utensils or kitchen utensils and appliances that are located the lampblack absorber below.

In some alternative embodiments, two first diversion structures corresponding to the two first ribs are arranged on the diversion surface; the first flow guiding structures extend towards the corresponding first ribs.

The oil cup has the beneficial effects that the oil on the guide surface can flow to the first guide structure first and then flows into the oil cup through the corresponding first convex rib.

In some alternative embodiments, the first flow directing structure is a rib structure or a groove structure.

In some optional embodiments, the tuyere plate provided by the application further comprises a plurality of coamings surrounding the periphery of the plate body, wherein the coamings are surrounded to form a diversion cavity for communicating outside airflow with the air inlet; the coaming plates comprise lower coaming plates connected to the bottom of the plate body, and oil passing holes or oil passing slits extending in the left-right direction and penetrating through the lower coaming plates are formed in the lower coaming plates.

The oil guiding cavity for guiding the oil fume can be formed by arranging the plurality of coamings, and oil on the air port plate can flow into the oil cup positioned at the bottom of the casing through the oil hole or the oil passing seam when the oil on the air port plate drops onto the lower coaming, so that the oil can be prevented from flowing onto a kitchen range or a kitchen ware positioned below the range hood to a certain extent.

In some alternative embodiments, the two sub-inlets are independent of each other; the utility model provides a wind gap board still includes the partition portion, and the partition portion is located between two sub-air intakes in order to separate two sub-air intakes.

In some alternative embodiments, the partition is provided with a second flow guiding structure extending in an up-down direction.

The oil flowing down from the first convex edge can flow to the second flow guiding structure and then flow to the second flow guiding structure, and flows into the oil cup through the oil passing hole or the oil passing seam on the lower coaming, so that the oil on the tuyere plate can flow into the oil cup more.

In some alternative embodiments, the second flow directing structure is a rib structure or a groove structure.

In some alternative embodiments, a grating structure or an oil screen with a contour matching the contour of the air inlet is arranged in the air inlet.

The technical scheme has the beneficial effects that partial waste oil can be adsorbed on the grid structure or the oil net by arranging the grid structure or the oil net, so that the waste oil is prevented from dripping on a kitchen range or a kitchen ware to a certain extent.

In some alternative embodiments, the inner edge of the air inlet is connected with a flanging; one end of the flanging is connected with the inner edge of the air inlet, and the other end of the flanging extends into the smoke collecting cavity along the thickness direction of the air port plate.

The beneficial effect of adopting above-mentioned scheme is, through setting up the turn-ups, not only can play certain water conservancy diversion effect to the oil smoke, when installing the wind gap board moreover, can avoid the lateral wall of air intake to produce the damage to people's hand to a certain extent.

The utility model aims to solve the technical problem that oil on a vent plate of the existing range hood can be more adhered to the vent plate or flow to a kitchen range positioned below the range hood, so that the range hood has poor service performance.

The technical scheme for solving the technical problems is as follows:

on the other hand, the application provides a range hood, which comprises a shell, the air port plate and the opening and closing plate; the casing is formed with and gathers the cigarette chamber and be provided with the erection joint with album cigarette chamber intercommunication, and the wind gap board is connected and the closing cap is in erection joint department with the casing.

In some optional embodiments, the range hood provided by the application further comprises an opening plate; the opening and closing plate is rotatably connected with the casing and is used for opening or closing the mounting opening.

The beneficial effect of lampblack absorber that this application provided is the same with the beneficial effect of above-mentioned wind gap board, and is not repeated here.

Drawings

Fig. 1 is a schematic perspective view of a range hood in a first state according to an embodiment of the present application;

FIG. 2 is a schematic plan view of the structure of FIG. 1 along the direction A;

FIG. 3 is a schematic perspective view of FIG. 1 from another perspective;

fig. 4 is a schematic perspective view of a tuyere plate according to an embodiment of the present disclosure;

FIG. 5 is a schematic plan view of the structure of FIG. 4 along the direction B;

FIG. 6 is a schematic plan view of the structure of FIG. 4 along the direction C;

FIG. 7 is a flow chart of oil on a tuyere stock provided in an embodiment of the present application;

fig. 8 is a schematic perspective view of a range hood in a second state according to an embodiment of the present disclosure;

FIG. 9 is a schematic plan view of the structure of FIG. 8 along direction D;

FIG. 10 is a cross-sectional view taken along the direction E-E of FIG. 8;

fig. 11 is an enlarged schematic view of a partial structure at F in fig. 10.

In the drawings, the list of components represented by the various numbers is as follows:

1. an air inlet; l, central axis; 2. a plate body; 3. a flow guiding part; 3a, a first rib; 4. flanging; 5. a partition portion; 6. coaming plate;

11. a sub air inlet; 21. a main board; 22. a deflector; 10. an air port plate; 20. a housing; 30. an opening plate; 40. an oil cup; 50. a fan assembly; 61. side coaming; 62. an upper coaming; 63. a lower coaming; 221. a flow guiding surface; 201. a mounting port; 202. a lower panel; 100. a range hood.

Detailed Description

The principles and features of the present application are described below with reference to the drawings, the examples are illustrated for the purpose of explanation only and are not intended to limit the scope of the present application.

The kitchen ventilator can quickly pump away the waste generated in the combustion of the kitchen range and the oil smoke harmful to human bodies in the cooking process, and discharge the oil smoke outdoors, and simultaneously condenses and collects the oil smoke. At present, the side-draft range hood is widely used because of good aesthetic effect and good suction and exhaust effect.

Generally, the side-draft range hood comprises a shell, an opening and closing plate and a wind gap plate, wherein an oil cup is arranged at the bottom of the shell, a fan assembly is arranged at the middle position of the top of the shell, the opening and closing plate is rotationally connected to the front side of the shell, the wind gap plate is arranged in the shell and is provided with an air inlet communicated with a smoke collecting cavity in the shell, the opening and closing plate can rotate relative to the shell to hide the wind gap plate or expose the wind gap plate, so that external oil smoke can enter the smoke collecting cavity through the air inlet when the wind gap plate is exposed.

However, in the range hood, since the structure for guiding the oil is not provided, the oil on the air port plate can flow on the air port plate in a non-fixed direction, and when the convex dirt or the like is attached to the air port plate, the oil can flow continuously after changing the direction, so that the flow path of the oil can be prolonged to a certain extent, more oil attached to the air port plate can flow into the oil cup, and less oil flows into the oil cup, thereby reducing the overall use performance of the range hood.

During the operation of the range hood, the fan impeller in the fan assembly positioned at the top of the casing rotates, and the oil smoke entering the smoke collecting cavity through the air inlet is subjected to the action of centrifugal force, so that the oil mist is condensed into oil drops, and the oil drops are discharged along a fixed passage.

Therefore, the embodiment of the application provides the air port plate and the range hood, wherein the air port plate comprises a plate body and a flow guide part arranged on the plate body, the plate body is provided with an air inlet used for being communicated with the smoke collecting cavity, and the air inlet is used for allowing external oil smoke to pass through so as to enter the smoke collecting cavity; the air inlet is arranged at the upper end of the air inlet plate, the air inlet is arranged at the lower end of the air inlet plate, the air inlet is arranged at the upper end of the air inlet plate, the air inlet is. Like this, through set up water conservancy diversion portion on the plate body, then can be with being located the wind gap board about both ends fluid to the middle part of wind gap board guide for fluid can flow according to the established direction, consequently can shorten the flow path of fluid, in order to make more fluid can flow into the oil cup that is located the casing bottom, avoid more fluid to adhere to on the wind gap board, then can promote the holistic performance of lampblack absorber.

It should be noted that, the tuyere plate provided by the embodiment of the application is applied to a side-draft range hood, and the range hood provided by the embodiment of the application is the side-draft range hood.

The embodiments of the present application will be described in detail below with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to 3, fig. 1 is a schematic perspective view of a range hood in a first state according to an embodiment of the present application, fig. 2 is a schematic plan view of fig. 1 along a direction a, and fig. 3 is a schematic perspective view of fig. 1 at another view angle. As shown in fig. 1 to 3, the present embodiment provides a tuyere plate 10, which is applied to a range hood 100, the range hood 100 has a housing 20, the housing 20 has a mounting opening 201 and a smoke collecting cavity, the mounting opening 201 is communicated with the smoke collecting cavity, an opening and closing plate 30 rotatably connected with the housing 20 is provided on the housing 20, the opening and closing plate 30 can rotate relative to the housing 20 to open or close the mounting opening 201, and when the mounting opening 201 is closed, the plate surface of the opening and closing plate 30 is flush with a lower panel 202 on the housing 20.

The tuyere plate 10 provided in the present embodiment is disposed in the casing 20 through the mounting opening 201, and the tuyere plate 10 is exposed when the mounting opening 201 is opened; when the mounting port 201 is closed, the tuyere plate 10 is hidden.

In order to enable external oil smoke to enter the smoke collecting cavity in the casing 20 after the mounting opening 201 is opened, the air inlet 1 for supplying oil smoke needs to be formed in the air port plate 10, so that when the mounting opening 201 is opened, external oil smoke can enter the smoke collecting cavity through the air inlet 1.

Further, in order to make the oil on the tuyere plate 10 flow to the oil cup 40 at the bottom of the casing 20 more, a corresponding guiding structure may be provided on the tuyere plate 10 to play a certain guiding role for the flow of the oil. Therefore, the tuyere plate 10 provided in this embodiment includes a plate body 2 and a guiding portion 3 disposed on the plate body 2, and the air inlet 1 is opened on the plate body 2; the air guide parts 3 and the air inlets 1 are distributed at intervals in the up-down direction, the air guide parts 3 extend in the left-right direction, the air guide parts 3 extend upwards in the direction from the middle part of the air port plate 10 to the left end and the right end of the air port plate 10, and the air guide parts 3 are used for guiding oil liquid at the left end and the right end of the air port plate 10 to the middle part of the air port plate 10. Like this, through setting up water conservancy diversion portion 3 on plate body 2, then can guide the fluid that is located the both ends about the tuyere stock 10 to the middle part of tuyere stock 10 to make more fluid can flow into in the oil cup 40 that is located the casing 20 bottom, avoid more fluid to adhere to on tuyere stock 10, then can promote the holistic performance of lampblack absorber 100.

With continued reference to fig. 4 to 6, fig. 4 is a schematic perspective view of a tuyere plate provided in an embodiment of the present application, fig. 5 is a schematic plan view of fig. 4 along direction B, and fig. 6 is a schematic plan view of fig. 4 along direction C. In order to make the oil liquid at the left and right ends of the tuyere plate 10 flow into the oil cup 40 more, in some alternative embodiments, the number of the diversion portions 3 may be two, and the two diversion portions 3 are axisymmetrically arranged about the central axis l of the tuyere plate 10, wherein the central axis l of the tuyere plate 10 extends along the up-down direction. By providing two flow guiding portions 3 symmetrically arranged about the central axis l in this way, oil can flow into the oil cup 40 both at the left and right ends of the tuyere plate 10.

In some embodiments, the flow guiding portion 3 may be a convex structure protruding with respect to the plate body 1, i.e. a convex rib or a convex rib formed on the plate body 1, or may be a concave structure recessed with respect to the plate body 1, i.e. a concave groove or a concave recess formed on the plate body 1. Here, the specific form of the flow guide portion 3 and the formation method of the flow guide portion 3 are not limited. The purpose of this embodiment may be satisfied by the deflector 3 provided that it is capable of guiding the oil liquid at the right and left ends of the tuyere plate 10 to the middle position of the tuyere plate 10.

The left-right direction corresponds to the y-y direction in fig. 1 and 3, and the up-down direction corresponds to the z-z direction in fig. 4.

The following will take the structure of the flow guiding portion 3 as a rib as an example.

With continued reference to fig. 7, fig. 7 is a flow chart of oil on the tuyere plate provided in the embodiment of the application, wherein the arrow direction is the flow direction of the oil. In some embodiments, the board body 2 includes a main board 21 and a baffle 22, where both the main board 21 and the baffle 22 may be flat, i.e., the board surfaces of the main board 21 and the baffle 22 may be located in the same plane.

Specifically, the deflector 22 is connected to the top of the main board 21, and the air inlet 1 is formed on the main board 21; the top of the main plate 21 is two top walls extending in the left-right direction, the two top walls are axisymmetrically arranged about the central axis l, and the top walls extend upwards in the direction from the central axis l to the left end and the right end of the tuyere plate 10, i.e. the top wall at the left side extends upwards in the direction from the central axis l to the left end of the tuyere plate 10, and the top wall at the right side extends upwards in the direction from the central axis l to the right end of the tuyere plate 10; a first accommodating space is formed between the two top walls, the deflector 22 is located in the first accommodating space and connected with the two top walls, the deflector 22 is provided with a deflector surface 221 covering an opening area of the first accommodating space, two first ribs 3a are formed at the joint of the deflector surface 221 and the two top walls, and the formed first ribs 3a are the deflector parts 3. In this way, the guiding surface 221 is a triangular guiding surface, and the oil on the guiding surface 221 flows to the middle position of the tuyere plate 10 along the first rib 3a, and then flows into the oil cup 40. Therefore, it is possible to prevent more oil from adhering to the tuyere plate 10 or flowing to a kitchen range located below the range hood 100 to some extent.

In order to allow the oil flowing along the first rib 3a to flow to the middle of the tuyere plate 10 and to continue to flow into the oil cup 40, in some specific embodiments, the angle α between the first rib 3a and the horizontal direction is 12 ° to 25 °. In this way, by limiting the included angle α between the first rib 3a and the horizontal direction, the oil on the deflector 22 flows to the middle of the tuyere plate 10 along the first rib 3a, and then flows into the oil cup 40, and can be prevented from directly dropping down onto a kitchen range or kitchen ware located below the range hood 100 to a certain extent when the oil flows on the first rib 3 a.

The included angle α may be 12 °, 15 °, 23 °, 25 °, or the like. Here, the value of the included angle α is not particularly limited.

In the actual use process of the range hood 100, the oil on the guiding surface 221 may not flow to the middle of the tuyere plate 10 and then flow to the oil cup 40, and therefore, a first guiding structure (not shown) may be disposed on the guiding surface 221, and by the arrangement of the first guiding structure, the oil on the guiding surface 221 may flow to the first guiding structure first and then flow to the oil cup 40 through the corresponding first rib 3 a.

Specifically, the number of the first flow guiding structures may be two, the two first flow guiding structures are arranged in one-to-one correspondence with the two first ribs 3a, and the first flow guiding structures extend towards the first ribs 3a, that is, one end of the first flow guiding structures, which is close to the first ribs 3a, is intersected with the first ribs 3 a. In this way, the oil on the first guiding structure can flow from the first guiding structure to the first rib 3a, and then flow into the oil cup 40.

In some alternative embodiments, the first flow guiding structure is a bead structure or a groove structure provided on the flow guiding surface 221, wherein the bead structure may be understood as a protrusion extending in the direction of the surface of the partition, and the groove structure may be understood as a recess extending in the direction of the surface of the partition. Here, the rib structure or the groove structure provided on the partition 5 is not limited.

It should be noted that, in some embodiments, in order to enhance the flow guiding effect of the first flow guiding structure, the first flow guiding structure may include a plurality of rib structures or groove structures arranged at intervals, and when the first flow guiding structure includes a plurality of rib structures or groove structures arranged at intervals, each rib structure or groove structure extends toward and intersects the corresponding first rib 3 a. Here, the number of the bead structures and the groove structures is not limited.

In order to avoid the oil flowing to the kitchen ranges or kitchen tools located below the range hood 100 during the flowing process, in some embodiments, the tuyere plate 10 provided in this embodiment may further include a plurality of coamings 6 surrounding the plate body 2, the plurality of coamings 6 include side coamings 61 connected to the left and right ends of the main plate 21, an upper coamings 62 connected to the top of the deflector 22, and a lower coamings 63 connected to the bottom of the main plate 21, and a diversion cavity for communicating the external airflow with the air inlet 1 is formed by surrounding the two side coamings 61, the upper coamings 62, and the lower coamings 63. In this way, a certain flow guiding effect can be achieved for the oil smoke entering the air inlet 1, and the oil to be dropped onto the kitchen range or kitchen ware located below the range hood 100 can also drop onto the lower coaming 63.

In order to avoid the oil adhering to the bottom wall 63, in some alternative embodiments, an oil passing hole (not shown) or an oil passing slit (not shown) extending in the left-right direction and penetrating the bottom wall 63 may be formed in the bottom wall 63, so that even if a part of the oil drops onto the bottom wall 63, the oil may flow into the oil cup 40 located at the bottom through the oil passing hole or the oil passing slit. Thus, not only can the oil be prevented from dripping on the kitchen range or kitchen ware located below the range hood 100, but also the oil can be prevented from adhering to the lower shroud 63. Therefore, the overall usability of the range hood 100 is improved.

In order to allow more soot to be sucked and discharged by the range hood 100, in some alternative embodiments, the front side of the upper shroud plate 62 is located above the rear side of the upper shroud plate 62, and the front side of the lower shroud plate 63 is located below the rear side of the lower shroud plate 63, so that the opening of the flow guiding cavity is in a horn shape, and a certain focusing effect can be achieved on the soot in the direction from the opening of the flow guiding cavity to the air inlet 1. Thus, the range hood 100 has better suction and exhaust effects.

With continued reference to fig. 8 to 11, fig. 8 is a schematic perspective view of a range hood in a second state according to an embodiment of the present application, fig. 9 is a schematic plan view of fig. 8 along direction D, fig. 10 is a cross-sectional view of fig. 8 along direction E-E, and fig. 11 is an enlarged schematic partial view of fig. 10 at F. As shown in fig. 8 to 11, in order to avoid damage to the head of the installer caused by the side wall of the air inlet 1 when the air inlet plate 10 provided in this embodiment is installed, in some alternative embodiments, a structure for increasing the smoothness of the side wall of the air inlet 1 may be provided on the air inlet 1 in this embodiment.

For example, the inner edge of the air inlet 1 may be provided with a flange 4, wherein the inner edge of the air inlet 1 may be understood as the rear edge of the air inlet 1, and the flange 4 is connected with the rear edge of the corresponding air inlet 1 in a matching manner, that is, the length direction of the flange 4 is consistent with the extending direction of the rear edge of the corresponding air inlet 1; one end of the flanging 4 is connected to the rear edge of the air inlet 1, and the other end of the flanging 4 extends into the smoke collecting cavity along the thickness direction of the air port plate 10. Like this, through setting up turn-ups 4, not only can play certain water conservancy diversion effect to the oil smoke, when installing wind gap board 10 moreover, can avoid the lateral wall of air intake 1 to produce the damage to people's hand to a certain extent.

The flange 4 may be formed on the side wall of the air inlet 1 by bending, for example. The method of forming the flange 4 is not limited.

In some embodiments, in order to avoid any damage to the hands of the person caused by any inner wall of the air inlet 1, each inner wall of the air inlet 1 is provided with the above-mentioned flange 4. In order to avoid injury to the hands of the person caused by the inner wall of the air inlet 1 to a large extent, in some embodiments, the length of the flange 4 is equal to the extension length of the inner wall of the corresponding air inlet 1. Therefore, the flange 4 can cover the inner wall of the corresponding air inlet 1 in a large range, and the hand of a person is prevented from being damaged.

Further, in order to prevent waste oil from dripping on the kitchen range or kitchen ware to a certain extent, a grid structure or an oil net with a contour matched with that of the air inlet 1 may be arranged in the air inlet 1. Therefore, by arranging the grid structure or the oil net, part of waste oil can be adsorbed on the grid structure or the oil net, so that the waste oil can be prevented from dripping on a kitchen range or a kitchen ware to a certain extent.

In some alternative embodiments, in order to make each kitchen range located below the range hood 100 correspond to one air inlet, the air inlet 1 may include two sub air inlets 11 distributed along the left-right direction and disposed in axisymmetric manner with respect to the central axis l, and the two sub air inlets 11 are independent or conducting, where independent refers to that the two sub air inlets 11 are separated by a separation portion 5, the central axis extending in the up-down direction of the separation portion 5 overlaps the central axis l, and conducting refers to that the ends of the two sub air inlets 11 close to each other are mutually communicated.

In order to enable more oil to flow into the oil cup 40, in some alternative embodiments, a second guiding structure (not shown) extending along the up-down direction may be disposed on the partition portion 5, so that the oil flowing down from the first rib 3a can flow onto the second guiding structure, and then flow into the oil cup 40 through the oil passing hole or the oil passing seam on the bottom wall 63, so as to improve the overall cleanliness of the range hood 100.

Further, the second flow guiding structure may be a rib structure or a groove structure formed on the partition 5, wherein the rib structure may be understood as a protrusion extending along the surface direction of the partition, and the groove structure may be understood as a cavity extending along the surface direction of the partition. Here, the rib structure or the groove structure provided on the partition 5 is not limited.

It should be noted that, in some embodiments, in order to enhance the flow guiding effect of the second flow guiding structure, the second flow guiding structure may include a plurality of rib structures or groove structures arranged at intervals. Here, the number of the bead structures and the groove structures is not limited.

The air port plate comprises a plate body and a flow guide part arranged on the plate body, wherein an air inlet used for communicating the smoke collecting cavity is formed in the plate body, and the air inlet is used for allowing external oil smoke to pass through so as to enter the smoke collecting cavity; the air inlet is arranged at the upper end of the air inlet plate, the air inlet is arranged at the lower end of the air inlet plate, the air inlet is arranged at the upper end of the air inlet plate, the air inlet is. Like this, through set up the water conservancy diversion portion on the plate body, then can be with being located the wind gap board about both ends fluid to the middle part of wind gap board guide for fluid can flow according to the established direction, consequently can shorten the flow path of fluid, in order to make more fluid can flow into the oil cup that is located the casing bottom, avoid more fluid to adhere to on the wind gap board.

The embodiment also provides a range hood 100, which comprises a casing 20, an opening and closing plate 30 and a tuyere plate 10 in the above embodiment, wherein the casing 20 is provided with a smoke collecting cavity and a mounting port 201 communicated with the smoke collecting cavity, and the tuyere plate 10 is connected with the casing 20 and is covered at the mounting port 201; the opening and closing plate 30 is rotatably connected with the casing 20, and the opening and closing plate 30 is used to open or close the installation opening 201. The structure of the tuyere plate 10 is described in detail in the above embodiments, and will not be described herein.

In some embodiments, to facilitate the installation between the tuyere plate 10 and the casing 20, a detachable connection manner may be adopted between the tuyere plate 10 and the casing 20, for example, a buckle is provided on one of the tuyere plate 10 and the casing 20, and a slot is provided on the other. Here, the connection between the tuyere plate 10 and the casing 20 is not limited.

It should be noted that, the range hood 100 provided in this embodiment should further include a fan assembly 50 disposed in the middle of the top of the casing 20, an oil cup 40 disposed at the bottom of the casing 20, and other components or members capable of enabling the range hood to operate normally. Other components or members are not described in detail herein.

The range hood provided by the embodiment comprises a wind gap plate, wherein the wind gap plate comprises a plate body and a flow guide part arranged on the plate body, an air inlet used for communicating a smoke collecting cavity is formed in the plate body, and the air inlet is used for allowing external oil smoke to pass through so as to enter the smoke collecting cavity; the air inlet is arranged at the upper end of the air inlet plate, the air inlet is arranged at the lower end of the air inlet plate, the air inlet is arranged at the upper end of the air inlet plate, the air inlet is. Like this, through set up water conservancy diversion portion on the plate body, then can be located the wind gap board and control both ends fluid to the middle part of wind gap board for fluid can flow according to the established direction, consequently can shorten the flow path of fluid, in order to make more fluid can flow into the oil cup that is located the casing bottom, avoid more fluid to adhere to on the wind gap board, with the performance of promotion lampblack absorber that this embodiment provided.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims (16)

1. The air port plate is applied to the range hood, the range hood comprises a shell, a smoke collecting cavity is formed in the shell, a mounting port communicated with the smoke collecting cavity is formed in the shell, and the air port plate is connected with the shell and is covered at the mounting port; the air inlet plate is characterized by comprising a plate body and a flow guide part arranged on the plate body, wherein an air inlet used for communicating the smoke collecting cavity is formed in the plate body, and the air inlet is used for allowing external oil smoke to pass through so as to enter the smoke collecting cavity;

the air inlet is arranged at the upper end of the air inlet, the air inlet is arranged at the lower end of the air inlet, the air inlet is arranged at the upper end of the air inlet, the air inlet is used for guiding oil at the left and right end of the air inlet, and the air inlet is used for guiding the middle of the air at the.

2. The tuyere plate of claim 1, wherein the number of the flow guiding portions is two, and the two flow guiding portions are axially symmetrically arranged with respect to a central axis of the tuyere plate.

3. The tuyere plate of claim 2, wherein the flow guiding portion is a convex structure protruding with respect to the plate body or a concave structure recessed with respect to the plate body.

4. A tuyere plate as claimed in claim 3, wherein the flow guiding portion is a first rib;

the plate body comprises a main plate and a guide plate connected to the top of the main plate, and the air inlet is formed in the main plate;

the main plate comprises two top walls which extend in the left-right direction and are axisymmetrically arranged relative to the central axis, and the top walls extend upwards in the direction from the central axis to the left end and the right end of the tuyere plate;

a first accommodating space is formed between the two top walls, the guide plate is positioned in the first accommodating space and connected with the two top walls, the guide plate is provided with a guide surface covering an opening area of the first accommodating space, and two first ribs are formed at the joint of the guide surface and the two top walls.

5. The tuyere plate of claim 4, wherein an included angle between the first protrusion and the horizontal direction is 12 ° to 25 °.

6. The tuyere plate of claim 4, wherein the diversion surface is provided with two first diversion structures corresponding to the two first ribs one by one;

the first flow guiding structures extend towards the corresponding first convex edges.

7. The tuyere plate of claim 6, wherein the first flow guiding structure is a rib structure or a groove structure.

8. The tuyere plate of any of claims 1-7, further comprising a plurality of coamings surrounding the plate body, the coamings defining a flow guiding cavity for communicating an external air flow with the air inlet;

the coaming comprises a lower coaming connected to the bottom of the plate body, and an oil passing hole or an oil passing seam extending along the left-right direction and penetrating through the lower coaming is formed in the lower coaming.

9. The tuyere plate according to any of claims 1 to 7, wherein the air inlet comprises two sub air inlets which are distributed in the left-right direction and are axially symmetrically arranged with respect to the central axis of the tuyere plate, and the two sub air inlets are independent or communicated with each other.

10. The tuyere plate of claim 9, wherein two of the sub air inlets are independent from each other;

the tuyere plate further comprises a separation part, and the separation part is positioned between the two sub air inlets so as to separate the two sub air inlets.

11. The tuyere plate of claim 10, wherein the partition portion is provided with a second flow guiding structure extending in an up-down direction.

12. The tuyere plate of claim 11, wherein the second flow guiding structure is a rib structure or a groove structure.

13. Tuyere plate according to any of the claims 1-7, characterized in that a grating structure or an oil screen with a contour matching the contour of the air inlet is provided in the air inlet.

14. The tuyere plate of any of claims 1 to 7, wherein a flange is connected to an inner edge of the air inlet;

one end of the flanging is connected to the inner edge of the air inlet, and the other end of the flanging extends towards the smoke collecting cavity along the thickness direction of the air port plate.

15. A range hood comprising a housing and the tuyere plate of any one of claims 1 to 14;

the casing is formed with and gathers the cigarette chamber and be provided with the installation mouth that gathers the cigarette chamber intercommunication, the wind gap board with the casing is connected and the closing cap is in installation mouth department.

16. The range hood of claim 15, further comprising an opening plate;

the opening and closing plate is rotatably connected with the casing and is used for opening or closing the mounting opening.