CN219199305U - Fume exhauster - Google Patents

Abstract

The utility model provides a range hood, which comprises a fume collecting hood, wherein a first air inlet and a second air inlet which are adjacently arranged left and right are formed in the fume collecting hood, a first guide plate which is annularly arranged around the first air inlet and a second guide plate which is annularly arranged around the second air inlet are arranged on the front side of the fume collecting hood, a first air inlet area which is independently arranged and annularly smoked around the first air inlet is formed between the first air inlet and the first guide plate, a second air inlet area which is independently arranged and annularly smoked around the second air inlet is formed between the second air inlet and the second guide plate, and particularly, the first air inlet and the second air inlet are respectively corresponding to a furnace end below the second air inlet, so that each air inlet can independently work corresponding to a cooking area of the fume collecting hood to absorb fume, and the first air inlet area and the second air inlet area are combined to form octahedral surrounding lateral suction, so that the air inlet is more concentrated, the fume flow is accelerated, and the fume absorption effect is improved.

Description

Fume exhauster

Technical Field

The utility model relates to the technical field of kitchen appliances, 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 exhausts the oil smoke through a centrifugal fan arranged in the range hood.

For the existing kitchen, the kitchen range is generally provided with two burner heads arranged side by side, one burner head is used alone or two burner heads are used simultaneously during cooking, no matter which use state is adopted, the oil smoke generating source corresponds to the positions of the two burner heads, and the oil smoke concentration at the position right in the middle of the corresponding range hood is relatively smaller. Most families can not use two jambs to stir-fry with strong fire simultaneously, and more cases use one jamb to stir-fry, and the volume of producing oil smoke is very big, uses another jamb to cook, and the volume of producing oil smoke is less, adopts current range hood, because range hood air intake and the amount of wind that two jambs correspond are not different, just have side suction stronger easily, and middle part position suction ratio is less, takes place the problem of oil smoke escape.

The Chinese patent document No. CN212618518U in 2021 discloses a range hood, which comprises a machine body, wherein the bottom of the front side of the machine body is provided with an air inlet, the range hood further comprises a smoke baffle plate capable of opening or closing the air inlet and an oil screen arranged at the air inlet, the oil screen can be overturned to the front side of the air inlet when the air inlet is opened and gradually incline backwards from top to bottom, the structure can be obliquely arranged to the front side of the air inlet through the oil screen, the coverage area of negative pressure is increased, the air inlet still has the defects in the description, the air inlet cannot be reasonably divided, the smoking effect is poor, and the problem of oil fume escape is caused.

Therefore, further improvements are needed.

Disclosure of Invention

Based on the above, the utility model aims to provide the range hood for overcoming the defects in the prior art, the range hood is provided with two independent air inlets and is in one-to-one correspondence with the burner, and the eight-side surrounding lateral suction is adopted, so that the air inlet is more concentrated, the flow of oil smoke is quickened, the oil smoke adsorption effect is improved, and the range hood is simple and reasonable in structure and reliable in performance.

According to the range hood of this purpose design, including the collection petticoat pipe, set up left and right adjacent first air intake and the second air intake that sets up on the collection petticoat pipe, the front side of collection petticoat pipe is equipped with first guide plate that sets up all around annular on the first air intake and be in the second guide plate that sets up all around annular on the second air intake, first air intake with be formed with between the first guide plate and independently set up just be in the first air intake region of all around annular smoking, the second air intake with be formed with between the second guide plate and independently set up just be in the second air intake region of all around annular smoking on the second air intake.

The first air inlet is arranged along the direction from the middle part to the left side of the fume collecting hood towards the inner part of the fume collecting hood in an inclined mode, and the second air inlet is arranged along the direction from the middle part to the right side of the fume collecting hood towards the inner part of the fume collecting hood in an inclined mode.

The plane where the first air inlet is located and the plane where the second air inlet is located form an included angle c, and the included angle c is smaller than 180 degrees.

The middle part of the fume collecting hood is provided with a transition plate used for connecting the first air inlet and the second air inlet, and the fume collecting hood is provided with an open fume collecting port corresponding to the first air inlet, the second air inlet and the transition plate.

A first air inlet gap is formed between the first guide plate and the smoke collecting port, and the first air inlet gap is communicated with the first air inlet; a second air inlet gap is formed between the second guide plate and the smoke collecting port, and the second air inlet gap is communicated with the second air inlet.

The first guide plate is suspended on the front side of the first air inlet and covers the first air inlet, and the second guide plate is suspended on the front side of the second air inlet and covers the second air inlet.

The first air inlet is provided with a first filter screen, and the second air inlet is provided with a second filter screen.

The bottom of the fume collecting hood is provided with an oil cup for collecting grease.

The range hood further comprises a fan assembly, and the fan assembly is arranged in the fume collecting hood.

The range hood further comprises a fan outer cover and a fan assembly, wherein the fan outer cover is arranged on the fume collecting cover, and the fan assembly is arranged in the fan outer cover and is communicated with the fume collecting cover.

The range hood comprises a fume collecting hood body, wherein a first air inlet and a second air inlet which are adjacently arranged left and right are formed in the fume collecting hood body, a first guide plate which is annularly arranged around the first air inlet and a second guide plate which is annularly arranged around the second air inlet are arranged on the front side of the fume collecting hood body, a first air inlet area which is independently arranged and annularly smoked around the first air inlet is formed between the first air inlet and the first guide plate, a second air inlet area which is independently arranged and annularly smoked around the second air inlet is formed between the second air inlet and the second guide plate, specifically, the first air inlet and the second air inlet are respectively corresponding to a burner below the first air inlet and the second air inlet, when a user cooks on the burner, the fume generated by each burner can enter the first air inlet and the second air inlet area, so that each air inlet can independently work corresponding to the cooking area of the user, the fume is adsorbed, the first air inlet area and the second air inlet area are combined to form an octahedral surrounding side direction to suck, the fume is more concentrated, and the fume adsorption effect is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of the overall structure of a range hood according to an embodiment of the present utility model.

Fig. 2 is a schematic view of a hidden first baffle structure according to an embodiment of the utility model.

FIG. 3 is a schematic view of a hood and fan housing in accordance with an embodiment of the present utility model.

Fig. 4 is a cross-sectional view showing the overall structure of a range hood according to an embodiment of the present utility model.

Fig. 5 is a schematic view of a smoke collecting hood according to an embodiment of the utility model.

FIG. 6 is a cross-sectional view of a smoke collecting hood according to an embodiment of the present utility model.

The arrows in fig. 1 and 2 illustrate the flow direction of the flue gas.

The correspondence between the reference numerals and the component names in fig. 1 to 6 is:

the air inlet device comprises a 1-fan housing, a 2-fume collecting hood, a 201-first air inlet, a 201 a-first air inlet area, a 202-second air inlet, a 202 b-second air inlet area, a 203-transition plate, a 204-fume collecting port, a 3-fan assembly, a 4-first guide plate, a 5-second guide plate, a 6-first filter screen, a 7-second filter screen, an 8-oil cup, a c-included angle, a d-first air inlet gap and an e-second air inlet gap.

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 present 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 of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

As shown in fig. 1-4, a range hood is provided, which comprises a fume collecting hood 2, a first air inlet 201 and a second air inlet 202 are formed on the fume collecting hood 2, which are adjacently arranged left and right, a first guide plate 4 and a second guide plate 5 are arranged on the first air inlet 201 and the second air inlet 202 in a surrounding annular manner, a first air inlet area 201a which is independently arranged between the first air inlet 201 and the first guide plate 4 and is used for smoking in a surrounding annular manner on the first air inlet 201 is formed between the second air inlet 202 and the second guide plate 5, and a second air inlet area 202b which is independently arranged and is used for smoking in a surrounding annular manner on the second air inlet 202 is formed between the second air inlet 202 and the second guide plate 5.

Specifically, the first air inlet 201 and the second air inlet 202 are respectively corresponding to the furnace heads located below the first air inlet 201 and the second air inlet 202, when a user cooks on the furnace heads, oil smoke generated by each furnace head can enter the first air inlet 201 from the first air inlet area 201a, the second air inlet area 202b enters the second air inlet 202, each air inlet can independently work corresponding to the cooking area of the user, the oil smoke is adsorbed, the first air inlet area 201a and the second air inlet area 202b are combined to form octahedral surrounding lateral inhalation, so that the air inlet is more concentrated, the flow of the oil smoke is accelerated, and the oil smoke adsorption effect is improved.

Further, as shown in fig. 3, 5 and 6, the first air inlet 201 is inclined toward the interior of the fume collecting hood 2 along the direction from the middle to the left of the fume collecting hood 2, and the second air inlet 202 is inclined toward the interior of the fume collecting hood 2 along the direction from the middle to the right of the fume collecting hood 2.

Specifically, because the distance between the burner and the fume collecting hood 2 is relatively short, by the above technical scheme, the first air inlet 201 and the second air inlet 202 are improved into a slanting arrangement mode, the parts of the two air inlets located in the middle of the fume collecting hood 2 are protruded towards the outer part of the fume collecting hood 2, the parts located on the left side and the right side of the fume collecting hood 2 are recessed towards the inner part of the fume collecting hood 2, so that the middle of the fume collecting hood 2 forms an air inlet interval area, the first air inlet 201 forms a first air inlet area 201a with annular smoking all around, and the second air inlet 202 forms a second air inlet area 202b with annular smoking all around.

Further, as shown in fig. 6, the plane of the first air inlet 201 and the plane of the second air inlet 202 form an included angle c, and the included angle c is smaller than 180 degrees.

Further, as shown in fig. 1-3 and 5, a transition plate 203 for connecting the first air inlet 201 and the second air inlet 202 is arranged in the middle of the fume collecting hood 2, and an open fume collecting port 204 is arranged on the fume collecting hood 2 corresponding to the first air inlet 201, the second air inlet 202 and the transition plate 203.

Specifically, the provision of the transition plate 203 further reduces the problem of mutual interference between the simultaneous operation of the first air intake area 201a and the second air intake area 202b.

Further, as shown in fig. 1, in order to further improve the smoking effect, a first air intake gap d is formed between the first baffle 4 and the smoke collecting port 204, and the first air intake gap d is communicated with the first air intake 201; a second air inlet gap e is formed between the second guide plate 5 and the smoke collecting port 204, and the second air inlet gap e is communicated with the second air inlet 202.

Further, as shown in fig. 1 and 2, the first baffle 4 is suspended at the front side of the first air inlet 201 and covers the first air inlet 201, and the second baffle 5 is suspended at the front side of the second air inlet 202 and covers the second air inlet 202.

By adopting the arrangement, the mobility of the oil smoke in the first air inlet area 201a and the second air inlet area 202b can be further improved.

Further, as shown in fig. 2, a first filter 6 is disposed at the first air inlet 201, and a second filter 7 is disposed at the second air inlet 202.

Specifically, the first air inlet 201 and the second air inlet 202 are provided with mounting grooves and mounting holes, the edges of the first filter screen 6 and the second filter screen 7 are provided with buckles and connecting holes, and when the filter screen is assembled, the buckles are matched and clamped with the mounting grooves and pass through the connecting holes to be fixedly connected with the mounting holes through screws, so that the first filter screen 6 and the second filter screen 7 are fixedly mounted on the first air inlet 201 and the second air inlet 202.

Further, as shown in fig. 1 to 4, an oil cup 8 for collecting grease is arranged at the bottom of the fume collecting hood 2.

Specifically, the oil cup 8 is used for collecting grease dropped from the first screen 6 and the second screen 7.

Further, the range hood also comprises a fan assembly 3, and the fan assembly 3 is arranged in the fume collecting hood 2.

Further, as shown in fig. 4, the range hood further comprises a fan housing 1 and a fan assembly 3, wherein the fan housing 1 is arranged on the fume collecting hood 2, and the fan assembly 3 is arranged in the fan housing 1 and is communicated with the fume collecting hood 2.

It should be noted that, the fan assembly 3 that corresponds to the first air inlet 201 and the second air inlet 202 separately is disposed in the fan housing 1, and the rotation speed and the opening and closing of each set of fan assembly 3 can be controlled by the control system, so that the working flexibility of the whole fume exhaust device is greatly improved. For example, when the smoke amount of the first air inlet 201 is large and the smoke amount of the second air inlet 202 is large, the rotation speed of the fan assembly 3 corresponding to the large smoke amount is adjusted by the control system, so that the absorption capacity of the smoke is improved; alternatively, when one burner is in use and the other burner is not in use, the fan assembly 3 can be controlled to be started by the control system; or when the two burner heads are used synchronously, each fan assembly 3 is completely started, and at the moment, the first air inlet 201 and the second air inlet 202 at the two sides of the range hood smoke simultaneously and work independently to absorb the oil smoke in the corresponding burner head areas so as to ensure that the oil smoke does not escape.

The fan assembly 3 comprises a volute, an impeller arranged in the volute and a motor for driving the impeller to rotate, when the impeller rotates, negative pressure suction is generated at the center of the fan, oil smoke below the range hood is sucked into the fan, and is collected by the volute after being accelerated by the fan and guided to be discharged outside.

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.

It will be further understood that when interpreting the connection or positional relationship of elements, although not explicitly described, the connection and positional relationship are to be interpreted as including the range of errors that should be within an acceptable range of deviations from the particular values as determined by those skilled in the art. For example, "about," "approximately," or "substantially" may mean within one or more standard deviations, and is not limited herein.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The utility model provides a range hood, includes collection petticoat pipe (2), its characterized in that: the smoke collecting hood is characterized in that a first air inlet (201) and a second air inlet (202) which are adjacently arranged left and right are formed in the smoke collecting hood (2), a first guide plate (4) which is annularly arranged around the first air inlet (201) and a second guide plate (5) which is annularly arranged around the second air inlet (202) are arranged on the front side of the smoke collecting hood (2), an independent first air inlet area (201 a) which is independently arranged between the first air inlet (201) and is annularly smoked around the first air inlet (4) is formed, and an independent second air inlet area (202 b) which is independently arranged between the second air inlet (202) and is annularly smoked around the second guide plate (5) is formed.

2. The range hood of claim 1, wherein: the first air inlet (201) is obliquely arranged towards the inside of the fume collecting hood (2) along the direction from the middle part to the left side of the fume collecting hood (2), and the second air inlet (202) is obliquely arranged towards the inside of the fume collecting hood (2) along the direction from the middle part to the right side of the fume collecting hood (2).

3. The range hood of claim 2, wherein: an included angle c is formed between the plane where the first air inlet (201) is located and the plane where the second air inlet (202) is located, and the included angle c is smaller than 180 degrees.

4. The range hood of claim 1, wherein: the middle part of the fume collecting hood (2) is provided with a transition plate (203) used for connecting the first air inlet (201) and the second air inlet (202), and the fume collecting hood (2) is provided with an open fume collecting port (204) corresponding to the first air inlet (201), the second air inlet (202) and the transition plate (203).

5. The range hood of claim 4, wherein: a first air inlet gap (d) is formed between the first guide plate (4) and the smoke collecting port (204), and the first air inlet gap (d) is communicated with the first air inlet (201); a second air inlet gap (e) is formed between the second guide plate (5) and the smoke collecting port (204), and the second air inlet gap (e) is communicated with the second air inlet (202).

6. The range hood of claim 1, wherein: the first guide plate (4) is suspended at the front side of the first air inlet (201) and covers the first air inlet (201), and the second guide plate (5) is suspended at the front side of the second air inlet (202) and covers the second air inlet (202).

7. The range hood of claim 1, wherein: the first filter screen (6) is arranged at the first air inlet (201), and the second filter screen (7) is arranged at the second air inlet (202).

8. The range hood of claim 1, wherein: an oil cup (8) for collecting grease is arranged at the bottom of the fume collecting hood (2).

9. The range hood of claim 1, wherein: the range hood further comprises a fan assembly (3), and the fan assembly (3) is arranged in the fume collecting hood (2).

10. The range hood of claim 1, wherein: the range hood further comprises a fan outer cover (1) and a fan assembly (3), wherein the fan outer cover (1) is arranged on the fume collecting hood (2), and the fan assembly (3) is arranged in the fan outer cover (1) and is communicated with the fume collecting hood (2).

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