CN220551972U - Fume exhauster - Google Patents

Abstract

The utility model discloses a range hood, which comprises an upper box body, a lower box body and an air inlet body, wherein the lower box body and the air inlet body can respectively lift relative to the upper box body; and a cavity isolated from the lampblack and used for accommodating objects is formed in the lower box body. Compared with the prior art, the utility model has the advantages that: by forming the cavity isolated from the oil fume in the lower box body, the space of the lower box body can be fully utilized, and the requirements of storage and/or function expansion are met.

Description

Fume exhauster

Technical Field

The utility model relates to a lampblack purifying device, in particular to a range hood.

Background

The range hood has become one of the indispensable kitchen appliances in modern families. The range hood works by utilizing the fluid dynamics principle, and the range hood sucks and discharges oil smoke through a centrifugal fan arranged in the range hood and filters part of grease particles by using a filter screen.

The change of the working form of the range hood can realize the combination of the oil fume suction effect during working and the conciseness and beautiful appearance during shutdown. Lifting type range hoods are an important direction of morphological changes. The prior lifting type range hood, such as a hidden type range hood disclosed in China patent with the application number of 201821783223.X, comprises a fume collecting hood and a fume collecting hood, wherein the fume collecting hood and the fume collecting hood are communicated, a first lifting mechanism is arranged between the fume collecting hood and drives the fume collecting hood to move up and down, the fume collecting hood further comprises a movable fume collecting hood, a second lifting mechanism is arranged in an inner cavity of the fume collecting hood, and the second lifting mechanism drives the movable fume collecting hood to move up and down along a channel.

The fume extractor is characterized in that the fume collecting hood is provided with a fume collecting hood, the fume collecting hood is provided with a fume inlet, and the fume collecting hood is provided with a fume collecting hood.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a range hood for improving the space utilization rate aiming at the defects in the prior art.

The technical scheme adopted for solving the technical problems is as follows: a range hood comprises an upper box body, a lower box body and an air inlet body, wherein the lower box body and the air inlet body can respectively lift relative to the upper box body; the method is characterized in that:

and a cavity isolated from the lampblack and used for accommodating objects is formed in the lower box body.

By forming the cavity isolated from the oil fume in the lower box body, the space of the lower box body can be fully utilized, and the requirements of storage and/or function expansion are met.

Preferably, a functional module is arranged in the cavity, and the functional module is a noise reduction device, a sterilization device or a cleaning device.

Further, for being convenient for form the cavity, lower box includes front and back interval arrangement's panel and baffle, lower box still includes first curb plate and by the top of baffle to the bottom plate that the panel extends, first curb plate has two and sets up respectively in the left and right sides of panel and baffle, the bottom of lower box is provided with the cigarette baffle, the space between panel, bottom plate, baffle, cigarette baffle and the first curb plate constitutes the cavity.

Further, in order to collect oil conveniently, the bottom of the air inlet body is provided with an oil cup, and the bottom of the partition plate is located above the oil cup, so that oil in the upper box body can enter the oil cup through the bottom plate and the partition plate.

Further, in order to facilitate the baffle to guide the oil, the baffle gradually extends backwards and obliquely from top to bottom at a position close to the bottom.

Further, the lower case further includes a first front plate and a back plate arranged at a front-rear interval, the panel is covered on the first front plate, and the bottom plate is between the top of the partition plate and the bottom of the first front plate, whereby the first front plate can facilitate the arrangement of the panel.

Further, in order to enable the lower box body to be respectively matched with the air inlet body and the upper box body, the width of the lower box body in the left-right direction is larger than that of the upper box body; the lower box body further comprises two connecting plates connected between the first front plate and the back plate, the connecting plates and the first front plate are coated on the periphery of the upper box body, a first oil smoke channel and a second oil smoke channel are formed in the lower box body, the first oil smoke channel is located below the connecting plates and corresponds to the air inlet body, and the second oil smoke channel is formed by the back plate, the connecting plates and the first front plate in a surrounding mode.

Further, in order to enable the lower box body to be respectively matched with the air inlet body and the upper box body, the width of the lower box body in the left-right direction is larger than that of the upper box body; the lower box body further comprises a first front plate and a back plate which are arranged at intervals from front to back, the lower box body further comprises two connecting plates connected between the first front plate and the back plate, the connecting plates and the first front plate are coated on the periphery of the upper box body, a first oil smoke channel and a second oil smoke channel are formed in the lower box body, the first oil smoke channel is located below the connecting plates and corresponds to the air inlet body, and the second oil smoke channel is formed by encircling the back plate, the connecting plates and the first front plate;

the cavity is positioned at the front side of the first oil smoke channel and below the second oil smoke channel. The connecting plates are arranged between the front side and the rear side of the lower box body, the connecting plates and the front side and the rear side of the lower box body can be coated on the periphery of the upper box body, good sealing performance is achieved, reliability of an oil way of the whole machine is guaranteed, the effect of sealing the space in the lower box body when the lower box body is lifted is achieved, and oil stains in the upper box body can be guided to flow downwards when the range hood works; the lower box body is covered with the upper box body, so that the left and right dimensions of the lower box body and the air inlet body can be designed to be matched with a household kitchen range, the coverage range of a negative pressure area is enlarged, and the escape of oil smoke from the left side and the right side is reduced; in addition, because the interval adaptation of the front and back both sides of lower box goes up the box, and the interval is great, through setting up the connecting plate, can strengthen the holistic structural strength of lower box.

Further, in order to be convenient for constitute first oil smoke passageway and second oil smoke passageway, the lower box still includes:

a first side plate having two, which are extended rearward from left and right side ends of the first front plate, respectively, the connection plate being disposed at a side of the first side plate facing into the lower case;

the second front plates are provided with two, each second front plate corresponds to one first side plate, and the second front plates are connected to the rear side end parts of the corresponding first side plates and extend in a direction away from the other first side plates;

the second side plates are respectively connected between the left end part of the backboard and the left end part of the left second front plate and between the right end part of the backboard and the right end part of the right second front plate; and

and the partition plate is arranged between the two second front plates, the partition plate is positioned below the connecting plate, and the first oil smoke channel is positioned among the back plate, the second side plate, the second front plates and the partition plate.

Further, the air inlet body is sleeved in the lower box body, in a non-working state, the upper box body and the air inlet body are partially or completely folded in the lower box body, in a working state, the lower box body descends relative to the upper box body, and the air inlet body descends relative to the lower box body.

Further, the air inlet body is including seting up the air intake at the front side, the bottom of lower box is provided with the cigarette baffle, and the cigarette baffle can guide the oil smoke to get into main air intake, improves and draws in the cigarette effect.

Compared with the prior art, the utility model has the advantages that: by forming the cavity isolated from the oil fume in the lower box body, the space of the lower box body can be fully utilized, and the requirements of storage and/or function expansion are met.

Drawings

Fig. 1 is a schematic diagram of a non-operating state of a range hood according to an embodiment of the present utility model;

fig. 2 is a sectional view illustrating a non-operating state of the range hood according to the embodiment of the present utility model;

fig. 3 is a schematic view of an operating state of a range hood according to an embodiment of the present utility model;

fig. 4 is a sectional view illustrating an operating state of the range hood according to the embodiment of the present utility model;

fig. 5 is a schematic view of a hidden panel of a lower case of the range hood according to an embodiment of the present utility model;

fig. 6 is a cross-sectional view of a hidden panel of a lower case of the range hood according to an embodiment of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions.

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 purposes of 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 because the disclosed embodiments of the present utility model may be arranged in different orientations, these directional terms are merely for illustration and should not be construed as limitations, such as "upper", "lower" are not necessarily limited to orientations opposite or coincident with the direction of gravity. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly.

Referring to fig. 1 to 6, a range hood comprises an upper case 1, a lower case 2 and an air inlet 3, wherein the upper case 1 is fixed and immovable, for example, is fixed on a wall surface, and a fan 4 is installed inside the upper case.

The lower box body 2 and the air inlet body 3 can respectively do up-down lifting motion relative to the upper box body 1, the upper box body 1 is sleeved with the lower box body 2, and the lower box body 2 is sleeved with the air inlet body 3. In this embodiment, the lower case 2 is sleeved outside the upper case 1 and outside the air intake 3, the lower end of the upper case 1 extends into the lower case 2 from the upper end of the lower case 2, and the upper end of the air intake 3 extends into the lower case 2 from the lower end of the lower case 2.

In the whole non-working state, the upper box body 1 and the air inlet body 3 are partially or completely folded in the lower box body 2, so that the whole machine has smaller volume, occupies less kitchen space and is more attractive. In the working state of the whole machine, the lower box body 2 and the air inlet body 3 are lowered to a position closer to the smoke source, so that the performance requirement of the whole machine is ensured. The range hood is used for driving the motion mechanism of the lower box body 2 and the air inlet body 3 to lift, and can refer to the existing two-stage lift range hood, as disclosed in the chinese patent with application number 201821783223.X, and also refer to the chinese patent with application number 202010123977.8 of the applicant, and will not be repeated herein.

The air inlet body 3 comprises an air inlet 31 formed in the front side, and a smoke baffle 5 can be arranged at the bottom of the lower box body 2, wherein the smoke baffle 5 is horizontally arranged in the embodiment and is fixed with the lower box body 2. In the working state, the air inlet 31 is positioned below the bottom of the rear side of the smoke baffle 5, and the smoke baffle 5 can guide the oil smoke to enter the air inlet 31. In this embodiment, the air intake body 3 is flat (the depth in the front-rear direction is much smaller than the width in the left-right direction) as a whole, thereby forming an ultra-thin design, and the occupied space in the operating state can be reduced.

The width D of the lower case 2 in the left-right direction is greater than the width D of the upper case 1, and the lower case 2 includes a back plate 21, a first side plate 221, a second side plate 222, a first front plate 231 and a second front plate 232, wherein the back plate 21 is close to a mounting base of the range hood, such as a wall surface, and is located at a rear side portion of the overall structure of the lower case 2. The first front plate 231 is disposed at a front side of the back plate 21 at a spacing, which is preferably parallel to the back plate 21. The first side plates 221 have two and are disposed at left and right ends of the first front plate 231, respectively, and each of the first side plates 221 extends rearward from the corresponding end of the first front plate 231. The second front plates 232 have two, each second front plate 232 corresponds to one first side plate 221, and the second front plate 232 is connected to the rear side end portion of the corresponding first side plate 221 and extends in a direction away from the other first side plate 221. The second side plate 222 has two and is connected to the left and right side ends of the back plate 21, respectively. Each of the second side plates 222 extends forward from the connection with the back plate 21, the front end of the left second side plate 222 is connected to the left end of the left second front plate 232, and the front end of the right second side plate 222 is connected to the right end of the right second front plate 232. The second side plate 222 may extend from the rear to the front or may extend gradually away from each other from the rear to the front. The lower case 2 formed of the above-described plate member has a substantially "convex" shape in cross section (horizontal cross section).

Thus, the space between the back plate 21, the second side plate 222, and the second front plate 232 corresponds to the air intake body 3, and the air intake body 3 can be lifted and lowered in the space. The fan 4 is back-suction type, namely, the air inlet of the fan 4 faces to the rear side, thereby forming a direct-suction and direct-discharge type, and being beneficial to the suction and discharge of the oil smoke.

The second front plate 232 and the first front plate 231 may be covered with the panel 24, for example, with the panel 24 made of glass, to avoid the exposure of the connection position, and a control module, a control screen, etc. may be provided on the panel 24. The lower case 2 further includes a top plate 25 provided on top of the back plate 21, the second side plate 222, and the second front plate 232, and having two sides respectively located on the left and right sides of the upper case 1. The smoke barrier 5 at least partially closes the lower ends of the first side plate 221 and the first front plate 231.

To enhance the structural strength of the lower case 2 as a whole, the lower case 2 further includes two connection plates 26, one of which 26 is connected between the left end of the first front plate 231 and the back plate 21, and the other connection plate 26 is connected between the right end of the first front plate 231 and the back plate 21. The portion of the connection plate 26 corresponding to the first side plate 221 is located at a side of the first side plate 221 facing into the lower case 2. The back plate 21, the connecting plate 26 and the first front plate 231 are wrapped on the periphery of the upper box body 1, so that good sealing performance is achieved, reliability of an oil way of the whole machine is guaranteed, namely, the effect of sealing the space in the lower box body 2 when the lower box body 2 is lifted is achieved, and oil stains in the upper box body 1 can be guided to flow downwards when the range hood works. The first side plates 221 and the connection plates 26 may be spaced apart, so that the wires led out from the panel 24 may pass through the space between the connection plates 26 of the first side plates 221 to be upward, thereby avoiding being affected by the oil smoke.

Since the space between the back plate 21, the second side plate 222 and the second front plate 23 is used for lifting the air intake body 3, in order to avoid interference of the lifting of the air intake body 3 by the connecting plate 26, the lower end of the connecting plate 26 is higher than the back plate 21, the second side plate 222 and the second front plate 232, that is, when the air intake body 3 is at the limit position of being stored in the lower box 2, the lower end of the connecting plate 26 is not lower than the top of the position corresponding to the air intake body 3 and the connecting plate 26.

A spacer 28 may be disposed between the two second front plates 232, the spacer 28 being located below the connecting plate 26. The bottom of the first front plate 231, the bottom of the connection plate 26, and the top of the partition plate 28 may be almost flush, and the range hood further includes a bottom plate 27 disposed between the bottom of the first front plate 231 and the top of the partition plate 28.

Thus, within the lower housing 2, a first oil smoke channel Q1 is formed below the connection plate 26, adapted to the air intake body 3, and a second oil smoke channel Q2 is formed above the first oil smoke channel Q1, the two oil smoke channels being in fluid communication, the first oil smoke channel Q1 being in further fluid communication with the air intake body 3, the second oil smoke channel Q2 being in further fluid communication with the upper housing 1. The first oil smoke channel Q1 is located between the back plate 21, the second side plate 222, the second front plate 232 and the partition plate 28, and the second oil smoke channel Q2 is located between the back plate 21, the connection plate 26, the bottom plate 27 and the first front plate 231. The rear end of the first oil smoke channel Q1 is flush with the rear end of the second oil smoke channel Q2 (both are back plates 21), the front end of the second oil smoke channel Q2 is beyond the front end of the first oil smoke channel Q1, and the left and right side ends of the first oil smoke channel Q1 are beyond the left and right side ends of the second oil smoke channel Q2.

The spaces between the face plate 24, the bottom plate 27, the partition plate 28, the smoke barrier 5 and the first side plate 221 constitute a cavity Q, which is isolated from the smoke of both the first smoke passage Q1 and the second smoke passage Q2. Functional modules (not shown) such as a noise reduction device, a sterilization device, a cleaning device and the like can be arranged in the cavity Q, or can be used for placing articles such as tableware, seasonings and the like. Noise reduction holes may be opened on the bottom plate 27, the partition plate 28, or the first side plate 221 when used for providing noise reduction devices, and openable and closable doors may be provided on the bottom plate 27, the partition plate 28, or the first side plate 221 when used for providing other functional modules or articles.

The bottom of the air inlet body 3 is provided with an oil cup 6, the bottom of the baffle plate 28 is positioned above the oil cup 6, and the baffle plate 28 gradually extends backwards and obliquely from top to bottom at a position close to the bottom. The first front plate 231 and the bottom plate 27 of the lower case 2 guide the oil flowing down in the upper case 1 downward into the first oil smoke passage Q1, and then into the oil cup 6 through the partition plate 28.

The term "fluid communication" as used herein refers to a spatial positional relationship between two components or parts (hereinafter collectively referred to as a first part and a second part, respectively), that is, a fluid (gas, liquid, or a mixture of both) can flow along a flow path from the first part to the second part or/and be transported to the second part, or the first part and the second part may be directly communicated with each other, or the first part and the second part may be indirectly communicated with each other through at least one third party, and the third party may be a fluid channel such as a pipe, a channel, a conduit, a flow guiding member, a hole, a groove, or the like, or a chamber allowing the fluid to flow through, or a combination thereof.

Claims (11)

1. The range hood comprises an upper box body (1), a lower box body (2) and an air inlet body (3), wherein the lower box body (2) and the air inlet body (3) can respectively lift relative to the upper box body (1); the method is characterized in that:

a cavity (Q) isolated from the lampblack and used for placing objects is formed in the lower box body (2).

2. The range hood of claim 1, wherein: the cavity (Q) is internally provided with a functional module, and the functional module is a noise reduction device, a sterilization device or a cleaning device.

3. The range hood of claim 1, wherein: the lower box (2) comprises a front panel (24) and a partition plate (28) which are arranged at intervals, the lower box (2) further comprises a first side plate (221) and a bottom plate (27) which extends from the top of the partition plate (28) to the panel (24), the first side plate (221) is provided with two smoke baffle plates (5) respectively arranged on the left side and the right side of the panel (24) and the left side and the right side of the partition plate (28), and the bottom of the lower box (2) is provided with the smoke baffle plates (5), and the space between the panel (24), the bottom plate (27), the partition plate (28), the smoke baffle plates (5) and the first side plate (221) forms the cavity (Q).

4. A range hood according to claim 3, wherein: the bottom of the air inlet body (3) is provided with an oil cup (6), and the bottom of the baffle plate (28) is positioned above the oil cup (6).

5. The range hood of claim 4, wherein: the partition plate (28) gradually extends from top to bottom in a rearward inclined manner at a position near the bottom.

6. A range hood according to claim 3, wherein: the lower box body (2) further comprises a first front plate (231) and a back plate (21) which are arranged at intervals from front to back, the front plate (231) is covered by the front plate (24), and the bottom plate (27) is arranged between the top of the partition plate (28) and the bottom of the first front plate (231).

7. The range hood of claim 6, wherein: the width of the lower box body (2) in the left-right direction is larger than that of the upper box body (1); the lower box body (2) further comprises two connecting plates (26) connected between the first front plate (231) and the back plate (21), the connecting plates (26) and the first front plate (231) are coated on the periphery of the upper box body (1), a first oil smoke channel (Q1) and a second oil smoke channel (Q2) are formed in the lower box body (2), the first oil smoke channel (Q1) is located below the connecting plates (26) and corresponds to the air inlet body (3), and the second oil smoke channel (Q2) is formed by encircling the back plate (21), the connecting plates (26) and the first front plate (231).

8. The range hood of claim 1, wherein: the width of the lower box body (2) in the left-right direction is larger than that of the upper box body (1); the lower box body (2) further comprises a first front plate (231) and a back plate (21) which are arranged at intervals from front to back, the lower box body (2) further comprises two connecting plates (26) connected between the first front plate (231) and the back plate (21), the connecting plates (26) and the first front plate (231) are coated on the periphery of the upper box body (1), a first oil smoke channel (Q1) and a second oil smoke channel (Q2) are formed in the lower box body (2), the first oil smoke channel (Q1) is located below the connecting plates (26) and corresponds to the air inlet body (3), and the second oil smoke channel (Q2) is formed by the back plate (21), the connecting plates (26) and the first front plate (231) in a surrounding mode;

the cavity (Q) is located at the front side of the first oil smoke channel (Q1) and below the second oil smoke channel (Q2).

9. The range hood of claim 8, wherein: the lower box body (2) further comprises:

a first side plate (221) having two, left and right side ends extending rearward from the first front plate (231), respectively, the connection plate (26) being provided on a side of the first side plate (221) facing into the lower case (2);

-second front plates (232) having two, each second front plate (232) corresponding to one first side plate (221), the second front plates (232) being connected to rear side ends of the respective first side plates (221) and extending in a direction away from the other first side plates (221);

a second side plate (222) which is connected between the left end of the back plate (21) and the left end of the left second front plate (232) and between the right end of the back plate (21) and the right end of the right second front plate (232); and

the partition plate (28) is arranged between the two second front plates (232), the partition plate (28) is positioned below the connecting plate (26), and the first oil smoke channel (Q1) is positioned between the back plate (21), the second side plates (222), the second front plates (232) and the partition plate (28).

10. The range hood of claim 1, wherein: the air inlet body (3) is sleeved in the lower box body (2), in a non-working state, the upper box body (1) and the air inlet body (3) are partially or completely folded in the lower box body (2), in a working state, the lower box body (2) descends relative to the upper box body (1), and the air inlet body (3) descends relative to the lower box body (2).

11. The range hood of claim 10, wherein: the air inlet body (3) comprises an air inlet (31) formed in the front side, and a smoke baffle (5) is arranged at the bottom of the lower box body (2).