CN220453761U - Smoke exhaust ventilator box body and smoke exhaust ventilator - Google Patents

Abstract

The utility model discloses a range hood box body and a range hood, belongs to the technical field of household appliances, and is designed for solving the problem that oil stains possibly fly out of an air inlet of a fume collecting hood. The utility model discloses a case of an oil fume exhauster, which comprises a base, wherein a case air inlet is formed in the bottom of the base, a wall plate is vertically downwards or obliquely downwards arranged around the case air inlet, an oil guiding groove is formed in the inner side surface of at least part of the wall plate, the oil guiding groove is configured to enable oil stains flowing down from the wall plate to flow along the extending direction of the oil guiding groove, and the oil guiding groove is at least partially inclined relative to the horizontal plane. The case body of the range hood and the range hood disclosed by the utility model can prevent oil stains from flying out from the air inlet of the smoke collecting device, further prevent the oil stains from dripping on a cooking bench or in a cooker, and are safe and sanitary and have better use experience.

Description

Smoke exhaust ventilator box body and smoke exhaust ventilator

Technical Field

The utility model relates to the technical field of household appliances, in particular to a range hood box body and a range hood.

Background

The fume exhaust fan drives the fan to rotate to form airflow, and fume is exhausted to the outdoor or to the filter unit. The motor and the fan are usually arranged in a box body, and the box body can protect the motor and the fan and also can enclose an air flow channel through which oil smoke passes.

The temperature is higher when cooking produces the oil smoke, and the oil smoke can condense out a part of greasy dirt liquid drops along with the decline of temperature in the air current passageway in the box is passed to the oil smoke. The oil dirt liquid drops can flow along the inner wall of the box body, the fume collecting hood of the existing range hood is usually provided with an oil guide structure and an oil collecting cup, and the oil dirt can enter the oil collecting cup along the oil guide structure to be collected and cleaned uniformly.

The defects of the range hood include: the quantity of the oil guiding structures is small, the arrangement positions are unreasonable, the oil guiding structures for the greasy dirt condensed at the position close to the air inlet are lacked, the greasy dirt possibly flows downwards to the air inlet of the fume collecting hood along the wall surface beside the air inlet, the air inlet of the fume collecting hood is close to a kitchen range and a kitchen range, and the greasy dirt has the probability of splashing into the kitchen range, so that the food sanitation is affected.

Disclosure of Invention

The utility model aims to provide a case body of a range hood and the range hood, solves the problem that oil stains possibly fly out from an air inlet of a fume collecting hood, and has better oil collecting effect.

In order to achieve the purpose, on one hand, the utility model adopts the following technical scheme:

the case body of the range hood comprises a base, a case air inlet is formed in the bottom of the base, a wall plate is vertically downwards or obliquely downwards arranged around the case air inlet, an oil guiding groove is formed in the inner side face of at least part of the wall plate, the oil guiding groove is configured to enable oil stains flowing down from the wall plate to flow along the extending direction of the oil guiding groove, and the oil guiding groove is at least partially inclined relative to the horizontal plane.

In one preferred embodiment, the oil guiding groove comprises a front oil guiding part and two side oil guiding parts, wherein each side oil guiding part is respectively connected to one side end of the front oil guiding part, the front oil guiding part is arranged on the front wall plate of the base, one side oil guiding part is arranged on the left side wall plate, and the other side oil guiding part is arranged on the right side wall plate.

In one preferred embodiment, the front oil guide part and/or the side oil guide part comprises a connecting plate and an oil baffle, the connecting plate and the oil baffle enclose an oil guide channel with a V-shaped or U-shaped cross section, and the connecting plate is attached to the inner side surface of the wall plate.

In one preferred embodiment, the side oil guide has a higher end connected to the leading oil portion than the end remote from the leading oil portion.

In one preferred embodiment, the case body of the range hood further comprises an upper cover, the bottom edge of the upper cover downwards extends to form a limiting convex edge, a limiting groove is formed in the base, and the limiting convex edge is arranged in the limiting groove in a penetrating mode.

In one preferred embodiment, the periphery of the upper cover is provided with an upper cover connecting convex edge, the base is provided with a base connecting convex edge matched with the upper cover connecting convex edge, and the upper cover connecting convex edge and the base connecting convex edge are fixedly connected through a connecting piece.

In one preferred embodiment, the upper cover comprises a coaming, the bottom edge of the coaming is bent outwards to form a limit convex edge, and the edge of the limit convex edge is bent outwards to form an upper cover connecting convex edge; or, the upper cover comprises a coaming, the bottom edge of the coaming forms a limiting convex edge, and the platy upper cover is connected with the outer side of the coaming and is positioned on the limiting convex edge.

In one preferred embodiment, the base further comprises a tray portion connected to the top edge of the front wall plate of the base, and the free edge of the tray portion is bent upwards to form a limit groove, and the top edges of the limit groove, the two side wall plates of the base and the rear wall plate of the base are respectively bent outwards to form a base connecting convex edge.

In one preferred embodiment, a sealing ring is arranged between the upper cover connecting convex edge and the base connecting convex edge.

On the other hand, the utility model adopts the following technical scheme:

the range hood comprises a power system and a smoke collecting device, and further comprises the range hood box body, wherein the power system is arranged in the range hood box body, and the smoke collecting device is communicated to the box body air inlet.

According to the case body of the range hood disclosed by the utility model, the oil guide groove is positioned above the air inlet of the case body, and can prevent oil stains from directly flowing downwards along the wall plate, so that the oil stains are prevented from directly flowing to the air inlet of the case body, and further, the oil stains are prevented from entering the fume collecting device along the air inlet of the case body. The greasy dirt can only flow along the oil guide groove until entering the oil collecting device, so that the cleaning is convenient. The oil guide groove is at least partially inclined relative to the horizontal plane, and the greasy dirt can smoothly flow along the oil guide groove under the action of gravity.

The range hood disclosed by the utility model comprises the range hood box body, and the oil guide groove is transversely arranged right above the air inlet of the smoke collecting device, so that oil stains can be effectively prevented from directly dripping to the air inlet of the smoke collecting device, the oil stains are prevented from flying out from the air inlet of the smoke collecting device, and the oil stains are further prevented from dripping on a cooking bench or in a cooker.

Drawings

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

FIG. 2 is a schematic view of a mounting structure of a base according to an embodiment of the present utility model;

FIG. 3 is a partial cross-sectional view of a base provided in an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of an oil guiding groove according to an embodiment of the present utility model;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a schematic view of the structure of an upper cover according to an embodiment of the present utility model;

FIG. 7 is a partial enlarged view at B in FIG. 6;

FIG. 8 is a schematic view of a base according to an embodiment of the present utility model;

FIG. 9 is a schematic view of a combination structure of an upper cover and a base according to an embodiment of the present utility model;

FIG. 10 is an enlarged view of a portion of FIG. 9 at C;

fig. 11 is a schematic structural view of another forming manner of the limiting flange and the upper cover connecting flange according to the embodiment of the present utility model.

In the figure:

1. a base; 2. an upper cover; 3. a wall body; 4. a seal ring; 5. a connecting piece; 11. a front wall panel; 12. a tray section; 13. an oil guiding groove; 14. an air inlet of the box body; 15. a side wall panel; 16. a limit groove; 17. the base is connected with the convex edge; 18. a free edge; 19. a rear wall panel; 21. a limit convex edge; 22. coaming plate; 23. the upper cover is connected with the convex edge; 24. an upper cover connection hole; 131. a leading oil portion; 132. a side oil guide part; 133. a connecting plate; 134. an oil baffle plate; 171. and a base connecting hole.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "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 shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

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 utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified 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 above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, 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.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

The embodiment discloses range hood box and range hood, specifically, the range hood includes driving system, collection cigarette device and range hood box, and driving system sets up in the range hood box, and collection cigarette device communicates to the range hood box. The power system mainly comprises a motor and fan blades, and the motor can generate air flow when driving the fan blades to rotate.

As shown in fig. 1 to 3, the case of the range hood includes a base 1 and an upper cover 2, and the combined structure of the base 1 and the upper cover 2 is detachably mounted on a wall 3. The bottom of the base 1 is provided with a box air inlet 14, and a smoke collecting device (not shown) is communicated to the box air inlet 14. A plurality of wall plates are vertically downward or obliquely downward arranged around the air inlet 14 of the box body. At least part of the inner side surface of the wall plate is provided with an oil guiding groove 13, the oil guiding groove 13 is configured to enable oil dirt flowing down from the wall plate to flow along the extending direction of the oil guiding groove 13, and the oil guiding groove 13 is at least partially inclined relative to the horizontal plane.

The oil guide groove 13 is positioned above the box air inlet 14, most of the oil dirt condensed on the wall plate is positioned above the oil guide groove 13, the oil guide groove 13 can prevent the part of the oil dirt from directly flowing downwards along the wall plate, the oil dirt is prevented from directly flowing to the box air inlet 14, and the oil dirt is prevented from entering the smoke collecting device along the box air inlet 14. The part of the greasy dirt can only flow along the oil guide groove 13, the tail end of the oil guide groove 13 is directly or indirectly connected to the oil collecting device of the range hood, and the greasy dirt is convenient to clean after entering the oil collecting device. The oil guiding groove 13 is at least partially inclined relative to the horizontal plane, and the oil dirt can smoothly flow along the oil guiding groove 13 under the action of gravity.

As shown in fig. 4 and 5, the oil guide groove 13 includes a leading oil portion 131 and two side oil portions 132, each of the side oil portions 132 being connected to one side end of the leading oil portion 131, respectively, and the leading oil portion 131 and the two side oil portions 132 being integrally formed in a U shape. The front oil guide 131 is provided on the front wall plate 11 of the chassis 1, one side oil guide 132 is provided on the left side wall plate 15, and the other side oil guide 132 is provided on the right side wall plate 15.

In the present embodiment, the front, rear, left, and right are based on the position of the user, and as shown in fig. 1, the position near the wall 3 is far away from the user, so the position near the wall 3 is "rear", and the position far from the wall 3 is "front". When the user faces the wall 3, the left hand side of the user is "left" in the present embodiment, and the right hand side of the user is "right" in the present embodiment.

In this embodiment, the front wall plate 11 of the base 1 includes a vertical section (not shown) and an inclined section (not shown) connected to each other, and the oil guiding portion 131 is preferably disposed at the lowermost end of the inclined section so as to prevent the oil dirt condensed on the inclined section from directly flowing onto the vertical section.

The front oil guiding part 131 is transversely arranged right above the air inlet 14 of the box body, and the position is usually right above the air inlet of the smoke collecting device, so that oil stains can be effectively prevented from directly dripping to the air inlet of the smoke collecting device, the oil stains are prevented from flying out from the air inlet of the smoke collecting device, and the oil stains are prevented from dripping onto a cooking bench or a cooker.

In this embodiment, the leading oil portion 131 is not arranged horizontally and flatly, but is of an inverted V-shaped structure with a slightly higher middle portion and a slightly lower two ends, which is beneficial to smooth flow of oil stains in the middle along the leading oil portion 131 to the two ends, and prevents accumulation of oil stains in the middle of the leading oil portion 131.

The specific structures of the front oil guide portion 131 and the side oil guide portion 132 are not limited, and the grease dirt can flow along the extending direction thereof. In this embodiment, the front oil guide portion 131 and/or the side oil guide portion 132 include a connection plate 133 and an oil baffle 134, and the connection plate 133 and the oil baffle 134 enclose an oil guide passage having a V-shaped or U-shaped cross section. The connecting plate 133 is attached to the inner side surface of the wall plate, and oil stains on the wall plate can smoothly enter the front oil guide part 131 and the side oil guide part 132; the oil baffle 134 is disposed vertically or obliquely opposite the connection plate 133, and prevents the oil dirt from being washed out of the front oil guide 131 and the side oil guide 132, thereby preventing the oil dirt from leaking.

In this embodiment, the side oil guide 132 has one end connected to the front oil guide 131 higher than one end far from the front oil guide 131, so that the greasy dirt can smoothly flow to the wall 3 side and be far away from the air inlet of the smoke collecting device as much as possible.

As shown in fig. 6 and 7, the bottom edge of the upper cover 2 extends downwards to form a limit convex edge 21, as shown in fig. 8, a limit groove 16 is arranged on the base 1, and the limit convex edge 21 is penetrated in the limit groove 16. The nested structure that spacing chimb 21 is located spacing recess 16 inboard makes the greasy dirt of condensing on upper cover 2 drip on base 1 directly, and can not permeate in the junction gap between upper cover 2 and base 1, avoids the greasy dirt to ooze from the junction between upper cover 2 and base 1, and the use experience is better.

In the present embodiment, as shown in fig. 6 and 7, an upper lid connecting flange 23 is provided on the outer periphery of the upper lid 2, and an upper lid connecting hole 24 is provided in the upper lid connecting flange 23. As shown in fig. 8, the base 1 is provided with a base connecting flange 17 adapted to the upper cover connecting flange 23, and the base connecting flange 17 is provided with a base connecting hole 171. As shown in fig. 10 and 11, the connector 5 passes through the upper cover connection hole 24 and the base connection hole 171 to fixedly connect the upper cover connection flange 23 and the base connection flange 17 together, thereby fixedly connecting the upper cover 2 and the base 1.

The upper cover connecting hole 24 and the base connecting hole 171 are both positioned outside the case body of the range hood, the condensed oil stain on the upper cover 2 is directly dripped on the base 1, the oil stain cannot seep out from a connecting gap between the upper cover 2 and the base 1, the oil stain is prevented from reaching the upper cover connecting hole 24 and the base connecting hole 171, and further the oil stain is prevented from seeping out from the upper cover connecting hole 24 and the base connecting hole 171, so that the range hood is safe and sanitary and oil leakage is prevented.

The specific embodiment of the limiting groove 16 is not limited, and the limiting convex edge 21 can be sleeved. As shown in fig. 8, the base 1 further comprises a tray portion 12, the tray portion 12 being connected to the top edge of the front wall panel 11 of the base 1, the free edge 18 of the tray portion 12 being bent upwards, a limit groove 16 being formed between the vertical free edge 18 and the substantially horizontal tray portion 12. In this embodiment, the junction between two adjacent free edges 18 forms a smooth corner structure, and no gap exists, thereby avoiding leakage of oil dirt.

The "substantially horizontal" of the tray portion 12 means that the tray portion 12 is slightly inclined with respect to the horizontal plane, and the inclination angle γ is preferably 2 ° to 8 ° in order to increase the flow rate of the oil stain. The tray portion 12 is higher than the one end that is close to wall body 3 away from wall body 3 one end, and the greasy dirt that falls into tray portion 12 can smoothly flow towards wall body 3 direction, falls into oil guide groove 13 as soon as possible, and the collection oil effect is better.

The limit groove 16, the two side wall plates 15 of the base 1 and the top edge of the rear wall plate 19 of the base 1 are respectively bent outwards to form a base connecting convex edge 17. The base connecting flange 17 forms a circle around the outer circumference of the base 1, so as to stably and fixedly connect the upper cover connecting flange 23.

As shown in fig. 9 and 10, a sealing ring 4 is arranged between the upper cover connecting convex edge 23 and the base connecting convex edge 17, so that the tightness of the box body of the range hood is further improved, and oil stains are prevented from seeping out from a gap between the upper cover connecting convex edge 23 and the base connecting convex edge 17.

The specific forming modes of the limiting convex edge 21 and the upper cover connecting convex edge 23 are not limited, one forming mode is as shown in fig. 9 and 10, the upper cover 2 comprises four coamings 22 which are vertically arranged, and the four coamings 22 are sequentially connected to form four side faces of the upper cover 2. The bottom edge of the coaming 22 is bent outwards by 180 degrees to form a limiting convex edge 21, and the edge of the limiting convex edge 21 is bent outwards by 90 degrees to form an upper cover connecting convex edge 23. The limiting convex edge 21 and the upper cover connecting convex edge 23 are formed by bending a plate, so that the processing is convenient, and the structural strength is high.

Another forming mode is shown in fig. 11, the upper cover 2 comprises a coaming 22, the bottom edge of the coaming 22 forms a limiting convex edge 21, and a separately processed sheet-shaped upper cover connecting convex edge 23 is connected to the outer side of the coaming 22 in a welding, screwing or riveting mode and is positioned above the limiting convex edge 21. The plate is not required to be bent for many times, and the processing efficiency is high.

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, and that various obvious changes, modifications and substitutions may be made therein 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 above embodiments, but may be embodied in many other equivalent forms without departing from the spirit of the utility model, the scope of which is set forth in the appended claims.

Claims (10)

1. The oil fume exhaust box body comprises a base (1), and is characterized in that a box air inlet (14) is formed in the bottom of the base (1), a wall plate is vertically downwards or obliquely downwards arranged around the box air inlet (14), an oil guiding groove (13) is formed in at least part of the inner side surface of the wall plate, the oil guiding groove (13) is configured to enable oil stains flowing down from the wall plate to flow along the extending direction of the oil guiding groove (13), and the oil guiding groove (13) is at least partially inclined relative to the horizontal surface.

2. The range hood housing according to claim 1, wherein the oil guiding groove (13) comprises a front oil guiding part (131) and two side oil guiding parts (132), each side oil guiding part (132) is respectively connected to one side end of the front oil guiding part (131), the front oil guiding part (131) is arranged on the front wall plate (11) of the base (1), one side oil guiding part (132) is arranged on the left side wall plate (15), and the other side oil guiding part (132) is arranged on the right side wall plate (15).

3. The range hood housing according to claim 2, wherein the front oil guiding portion (131) and/or the side oil guiding portion (132) comprises a connecting plate (133) and an oil baffle (134), the connecting plate (133) and the oil baffle (134) enclose an oil guiding channel with a V-shaped or U-shaped cross section, and the connecting plate (133) is attached to the inner side surface of the wall plate.

4. The range hood housing according to claim 2, wherein the side oil guide (132) has an end connected to the leading oil portion (131) higher than an end remote from the leading oil portion (131).

5. The range hood case according to any one of claims 1 to 4, further comprising an upper cover (2), wherein a bottom edge of the upper cover (2) extends downwards to form a limit convex edge (21), a limit groove (16) is arranged on the base (1), and the limit convex edge (21) is arranged in the limit groove (16) in a penetrating manner.

6. The range hood case according to claim 5, wherein an upper cover connection flange (23) is provided on the outer periphery of the upper cover (2), a base connection flange (17) adapted to the upper cover connection flange (23) is provided on the base (1), and the upper cover connection flange (23) and the base connection flange (17) are fixedly connected through a connecting piece (5).

7. The case of the range hood according to claim 6, wherein the upper cover (2) comprises a coaming (22), a bottom edge of the coaming (22) is bent outwards to form the limit flange (21), and a rim of the limit flange (21) is bent outwards to form the upper cover connecting flange (23); or alternatively, the first and second heat exchangers may be,

the upper cover (2) comprises a coaming (22), the bottom edge of the coaming (22) forms a limit convex edge (21), and the sheet-shaped upper cover connecting convex edge (23) is connected to the outer side of the coaming (22) and is located on the limit convex edge (21).

8. The range hood housing according to claim 6, wherein the base (1) further comprises a tray portion (12), the tray portion (12) being connected to the top edge of the front wall plate (11) of the base (1), the free edge of the tray portion (12) being bent upwards to form the limit groove (16), the two side wall plates (15) of the base (1) and the top edge of the rear wall plate (19) of the base (1) being respectively bent outwards to form the base connecting flange (17).

9. The range hood housing according to claim 6, wherein a sealing ring (4) is arranged between the upper cover connecting flange (23) and the base connecting flange (17).

10. A range hood comprising a power system and a smoke collecting device, characterized in that the range hood further comprises a range hood box according to any one of claims 1 to 9, the power system is arranged in the range hood box, and the smoke collecting device is communicated to a box air inlet (14).