CN117628550A - Induced-draught port wind-guiding piece and range hood - Google Patents

Induced-draught port wind-guiding piece and range hood Download PDF

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Publication number
CN117628550A
CN117628550A CN202210959571.2A CN202210959571A CN117628550A CN 117628550 A CN117628550 A CN 117628550A CN 202210959571 A CN202210959571 A CN 202210959571A CN 117628550 A CN117628550 A CN 117628550A
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CN
China
Prior art keywords
air
guiding
liquid
range hood
panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210959571.2A
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Chinese (zh)
Inventor
任勇
岑振宙
李�杰
冯君
李注佳
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Foshan Jingwei Technology Co ltd
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Foshan Jingwei Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Foshan Jingwei Technology Co ltd filed Critical Foshan Jingwei Technology Co ltd
Priority to CN202210959571.2A priority Critical patent/CN117628550A/en
Publication of CN117628550A publication Critical patent/CN117628550A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)

Abstract

The invention discloses an air suction inlet air guide piece and a range hood, wherein the air suction inlet air guide piece comprises an air dispersing part, the air dispersing part is provided with an air guide part which is obliquely arranged, the air guide part is positioned on the upper side of the air dispersing part, an expansion section air guide part is formed, and the air guide part is used for guiding sucked air to an inner air channel of the range hood; the air dispersing part comprises an appearance surface facing to the sucked air, the appearance surface forms an air dispersing hole, and the sucked air enters the inner air channel of the range hood from the air dispersing hole and is positioned in the air channel at the other side of the air dispersing part; compared with the prior art, when the air inlet guide piece of the air inlet of the invention is connected to the two sides of the air inlet of the panel of the range hood, the cross-sectional area of the air outlet when the sucked air is discharged is actually increased, and when the sucked air flows between the air inlet guide pieces of the two sides of the air inlet of the panel, the air inlet guide piece guides and adjusts the flow speed and the flow direction of the sucked air, so that the flow speed of the sucked air is reduced, the air pressure is reduced, and the noise generated when the sucked air enters the inner air channel of the range hood is reduced.

Description

Induced-draught port wind-guiding piece and range hood
Technical Field
The invention relates to the technical field of range hoods, in particular to an air suction inlet air guide piece and a range hood.
Background
The range hood is disposed above the kitchen range for extracting and discharging oil smoke generated during cooking of food when a user cooks the food. The range hood is provided with a panel, an air suction port communicated with an air outlet of the range hood is arranged on the panel, and an air exhaust fan is arranged between the air outlet and the air suction port; when the range hood works, the exhaust fan is started, a negative pressure area is formed in the inner air channel of the range hood, air outside the panel enters the inner air channel of the fan through the air suction inlet and forms a negative pressure area near the air suction inlet, and cooking fume flows to the negative pressure area of the air suction inlet. Because the suction inlet is a strip-shaped air inlet, the cooking fume of the cooking environment can generate larger noise when entering the inner air channel of the range hood through the suction inlet, and the user experience is affected.
Disclosure of Invention
The invention aims to provide an air suction inlet air guide piece and a range hood, which are used for solving the technical problems.
The air suction inlet air guide piece is connected to at least one side of an air suction inlet of a panel of the range hood and comprises an air dispersing part, wherein the air dispersing part is provided with an obliquely arranged air guide part, the air guide part is positioned on the upper side of the air dispersing part and forms an expansion section air guide part, and the air guide part is used for guiding sucked air to an inner air channel of the range hood; the air dispersing part comprises an appearance surface facing to the sucked air, the appearance surface forms an air dispersing hole, and the sucked air enters the inner air channel of the range hood from the air dispersing hole and is positioned in the air channel at the other side of the air dispersing part.
According to an embodiment of the invention, the air guide device further comprises an air guide piece connecting part which extends to the part of the panel, which is positioned at the side edge of the air suction port, wherein the air guide piece connecting part and the air dispersing part are integrally formed and extend to an air duct at the other side of the appearance surface of the air dispersing part, and the appearance surface of the air guide piece connecting part is in a shape which is matched with the shape of the side edge of the air suction port.
According to one embodiment of the invention, the air dispersing part is provided with a combination edge which is arc and extends downwards to the upper surface of the air guiding part connecting part, the combination edge is integrally formed with the air dispersing part and the air guiding part connecting part, the combination edge protrudes out of the surface of the other side of the appearance surface of the air dispersing part, the combination edge and the air guiding part connecting part form an oil guiding channel, and the air dispersing hole at the lowest position is connected with the oil guiding channel.
According to one embodiment of the invention, the body of the air dispersing part is an arc surface, and the arc surface protrudes towards one side of the appearance surface of the air dispersing part; the projection of the cambered surface downwards is positioned in the inner air duct of the range hood.
The utility model provides a range hood, includes the panel, is equipped with the inlet scoop on the panel, still includes foretell inlet scoop wind-guiding piece, and inlet scoop wind-guiding piece connects in the left side and the right side of the inlet scoop of panel, and the air outlet of inlet scoop intercommunication range hood sets up the fan of airing exhaust between inlet scoop and air outlet.
According to one embodiment of the invention, the inner side of the part of the panel, which is positioned at the side edge of the air inlet, is provided with a step which is matched with the air guide piece connecting part of the air inlet, the height of the step is matched with the thickness of the air guide piece connecting part, and an adhesive layer is arranged between the air guide piece connecting part and the corresponding surface of the part of the panel, which is positioned at the side edge of the air inlet, and the air guide piece connecting part and the panel form sealing connection.
According to one embodiment of the invention, the upper edge of the air suction port is provided with an air guide liquid guiding piece, the air guide liquid guiding piece comprises an air guide liquid guiding part, and the lower surface of the air guide liquid guiding part is a liquid guide surface; the air-guiding liquid-guiding part is used for forming downward air flow obliquely and guiding liquid gathered at the upper edge of the air suction port outside the panel into an inner air channel of the range hood, the air-guiding liquid-guiding part is provided with a plurality of first air-guiding through holes, and air inlet of the air suction port flows obliquely upwards from one side of the liquid-guiding surface; the left side and the right side of the air guide and liquid guide piece are symmetrical and respectively abutted on the air suction inlet air guide piece at the corresponding side.
According to one embodiment of the invention, the panel is bent upwards to form an oil blocking structure, the air guide and liquid guide piece further comprises a panel connecting part, and the oil blocking structure is fixedly connected with the panel connecting part; the oil retaining structure is a straight line section arranged along the upper edge of the air suction port, and an oil guiding channel is formed at the free end of the oil retaining structure and the joint edge of the air suction port air guide piece and the connecting part of the air guide piece of the air suction port air guide piece.
According to one embodiment of the invention, the lower edge of the air suction port is provided with a liquid receiving air guide piece, and the liquid receiving air guide piece comprises a receiving part; the bearing part extends from the air suction inlet to the inner air duct of the range hood, the bearing part and the air guiding and liquid guiding part of the air guiding and liquid guiding piece form downward guide for air flow together, and the lower part of the bearing part is provided with an oil dropping hole; the air-guiding liquid-guiding piece is provided with a liquid-collecting part, liquid collected by the liquid-collecting part drops down and the sucked air passing through the air suction port falls into the receiving part of the liquid-receiving air-guiding piece.
According to one embodiment of the invention, the lower edge of the air suction port is provided with a liquid receiving air guide piece, the liquid receiving air guide piece is provided with an air guide section for guiding air obliquely upwards, the bearing part is connected with the air guide section, and the air guide section is used for forming air flow obliquely upwards; the left side and the right side of the liquid receiving air guide piece are symmetrical, the lower side of the appearance surface of the air dispersing part of the air suction inlet air guide piece is provided with a supporting edge which is matched with the side edge shape of the liquid receiving air guide piece, and two ends of the liquid receiving air guide piece are respectively abutted on the supporting edge of the air suction inlet air guide piece on the corresponding side.
Compared with the prior art, the range hood provided by the invention has the following advantages:
when the air inlet air guide piece is connected to the two sides of the air suction inlet on the panel of the range hood, the cross-sectional area of the air outlet when the sucked air is discharged is actually increased, and when the sucked air flows between the air suction inlet air guide pieces on the two sides of the air suction inlet of the panel, the air inlet air guide piece guides and adjusts the flow speed and the flow direction of the sucked air, so that the flow speed of the sucked air is reduced, the wind pressure is reduced, and the noise generated when the sucked air enters the inner air channel of the range hood is reduced.
Drawings
FIG. 1 is a schematic view of an air guide at an air intake according to the present invention;
FIG. 2 is a schematic view of another direction of the air guiding member of the air intake of the present invention;
fig. 3 is a sectional view of the range hood of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3A;
FIG. 5 is an enlarged view of part of B in FIG. 4;
FIG. 6 is a schematic view showing the connection positions and structures of the tuyere air guide, the air guide liquid guide and the liquid receiving air guide on the panel;
in the figure: 1. panel, 11, air suction port, 12, butt joint end, 15, oil blocking structure, 2, air guide liquid guiding part, 21, joint end, 22, liquid collecting part, 23, air guide liquid guiding part, 231, first air guide through hole, 24, panel connecting part, 3, liquid receiving air guiding part, 31, oil dropping hole, 32, receiving part, 33, air guide section, 41, air dispersing hole, 42, air guide connecting part, 43, air dispersing part, 44, joint edge, 45, supporting edge, 46, air guide part, 7, air exhaust fan
The implementation and advantages of the functions of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
Various embodiments of the invention are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the invention. That is, in some embodiments of the invention, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.
It should be noted that all directional indicators (such as up, down, left and right, front and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
For a further understanding of the nature, features, and efficacy of the present invention, the following examples are set forth in order to provide a further understanding of the invention, and are intended to be described in connection with the accompanying drawings:
the range hood is disposed above the kitchen range for extracting and discharging oil smoke generated during cooking of food when a user cooks the food. The range hood is provided with a panel, an air suction port communicated with an air outlet of the range hood is arranged on the panel, and an air exhaust fan is arranged between the air outlet and the air suction port; when the range hood works, the exhaust fan is started, a negative pressure area is formed in the inner air channel of the range hood, air outside the panel enters the inner air channel of the fan through the air suction inlet and forms a negative pressure area near the air suction inlet, and cooking fume flows to the negative pressure area of the air suction inlet. Because the suction inlet is a strip-shaped air inlet, the cooking fume of the cooking environment can generate larger noise when entering the inner air channel of the range hood through the suction inlet, and the user experience is affected. However, if the air inlet air guide piece positioned on at least one side of the air inlet is arranged in the inner air channel of the range hood, when the cooking fume of the cooking environment enters the inner air channel of the range hood through the air inlet, the air inlet air guide piece guides and adjusts the sucked air entering through the air inlet of the panel, so that the noise when the sucked air enters the inner air channel of the range hood through the air inlet of the panel can be reduced.
Referring to fig. 1 and 2, the air inlet guide of the present invention is connected to at least one side of the air inlet 11 of the panel 1 of the range hood, and includes an air dispersing portion 43, the air dispersing portion 43 has an air guiding portion 46 disposed obliquely, the air guiding portion 46 is located on the upper side of the air dispersing portion 43, and forms an expansion section air guiding portion, the air guiding portion 46 is used for guiding the sucked air to the inner air duct of the range hood; the air-dispersing part 43 includes an outer surface facing the sucked air, the outer surface forming the air-dispersing hole 41, the sucked air entering the inner air duct of the range hood from the air-dispersing hole 41 being located in the air duct at the other side of the air-dispersing part 43. When the air suction inlet air guide piece is connected with the panel 1 of the range hood, the air suction inlet air guide piece is connected to at least one side of an air suction inlet of the panel 1, and in order to stabilize air inlet of the air suction inlet, air inlet at two sides of the air suction inlet 11 are balanced, and air suction inlet air guide pieces are connected to the left side and the right side of the air suction inlet 11 of the panel 1 of the range hood. The air guide part 46 of the air suction inlet air guide piece on each side inclines from the inner air duct of the lateral range hood to form an expansion section air guide part, and the area surrounded by the air suction inlet air guide pieces on two sides is an air outlet channel for sucking air; the two sides of the air suction inlet 11 of the panel 1 are provided with the air suction inlet air guide pieces, which is equivalent to increasing the cross-sectional area of the air outlet of the suction air of the range hood, the suction air is formed after the suction air is sucked through the air suction inlet on the panel 1, and when the suction air flows between the air suction inlet air guide pieces on the two sides of the air suction inlet 11 of the panel 1, the flow speed is reduced, the air pressure is reduced, and the noise generated when the suction air enters the inner air duct of the range hood is reduced. And when the wind pressure of the sucked air is relatively large, part of the sucked air can flow from the air dispersing holes 41 on the air dispersing part 43 to the inner air duct of the range hood so as to reduce the wind pressure of the sucked air and reduce the noise when the sucked air enters the inner air duct of the range hood. The wind dispersing part 43 is connected with the inner side surface of the panel 1, when a user looks towards the left side or the right side of the air suction inlet 11, the wind dispersing part 43 of the air suction inlet wind guiding member at the corresponding side can be seen, so that the surface of the wind dispersing part 43 of the air suction inlet wind guiding member facing the sucked air is an appearance surface, the surface smoothness of the appearance surface, the non-color-changeable material and the uniform color are ensured, and the appearance of the air suction inlet wind guiding member is ensured.
Referring to fig. 1 and 2, the air inlet guide of the present invention further includes an air guide connecting portion 42 extending to a portion of the panel 1 located at the side of the air inlet 11, where the air guide connecting portion 42 and the air dispersing portion 43 are integrally formed and extend to an air channel at the other side of the appearance surface of the air dispersing portion 43, and the appearance surface of the air guide connecting portion 42 is a shape adapted to the shape of the side of the air inlet 11. When the inlet scoop air guide is connected to the panel 1, the air guide connection portion 42 of the inlet scoop air guide is connected to the panel 1 and connected to the side portion of the inlet scoop 11 of the panel 1, and when the user looks toward the left or right of the inlet scoop after the air guide connection portion 42 is connected to the panel, the connection structure of the air guide connection portion 42 and the air dispersion portion 43 and the appearance surface of the air dispersion portion 43 are seen, so that the portion of the air guide connection portion 42 that faces the inhaled air and is connected to the air dispersion portion 43 is also the appearance surface. When the air guide connecting part 42 is connected with the panel, the air dispersing part 43 needs to just enclose on the left side or the right side of the air suction inlet 11, so when the left side and the right side of the air suction inlet 11 are arc-shaped, the appearance surface of the joint part of the air guide connecting part 42 and the air dispersing part 43 is a curved surface matched with the shape of the corresponding side of the air suction inlet 11, and the curved surface lines are smooth and smooth, so that the flow of sucked air is smoother. Of course, in other embodiments, the air intake is a rectangular bar-shaped hole, and the appearance surface of the junction of the air guide connecting portion 42 and the air dispersing portion 43 is a plane or an inclined plane adapted to the shape of the corresponding side of the air intake 11, and the shape trend of the junction of the air guide connecting portion 42 and the air dispersing portion 43 is adapted to the shape trend of the air dispersing portion 43, so that the flow of the sucked air can be smooth.
During the long-term operation of the range hood, a large amount of liquid mixed with oil, water and smoke is formed in the inner air duct of the range hood, and the liquid adheres to and flows on the inner wall surface of the inner air duct of the range hood, and such liquid is also generated inside the panel 1. If the air guide connecting part 42 is connected with the panel 1, the part of the air guide connecting part located in the inner air duct protrudes out of the inner wall surface of the panel 1, liquid can gather at the upper end of the air guide connecting part 42, and the gathered liquid can easily flow through the appearance surface of the upper end type air guide connecting part 42 of the air guide connecting part 42; in order to avoid the backflow of the liquid generated inside the panel 1, after the air guide connection portion 42 is connected to the inside of the panel 1, the surface of the air guide connection portion is flush with the surface of the inside of the panel 1, so that the liquid generated inside the panel 1 can continue to flow along the surface of the air guide connection portion 42 without being accumulated at the upper end edge of the air guide connection portion 42. The wind guide piece connecting portion 42 can be connected in the air suction inlet 11 and is matched with the shape of the corresponding side of the air suction inlet 11, when the wind guide piece connecting portion 42 is connected in the air suction inlet 11, the thickness of the wind guide piece connecting portion 42 is matched with the thickness of the panel 1, so that the smooth appearance surface of the outer side of the panel 1 can be ensured, the upper surface of the part of the wind guide piece connecting portion 42 located in the inner air channel of the range hood can be ensured to be flush with the inner side wall surface of the panel 1, and at the moment, the part between the appearance surfaces of the two air suction inlet wind guide pieces is the effective air suction part of the air suction inlet 11 of the panel 1. There are also connection modes in which steps located on the inner side of the panel 1 are provided on both sides of the suction port 11, the upper surface of the steps is lower than the inner side wall surface of the panel 1, the thickness of the steps is adapted to the thickness of the air guide connection part 42, the air guide connection part 42 is installed in the steps, and after the steps are connected together, the upper surface of the air guide connection part 42 is flush with the inner side wall surface of the panel 1.
Referring to fig. 2, in the air suction inlet air guide member of the present invention, the air dispersing portion 43 has a circular arc and a combining edge 44 extending downward to the upper surface of the air guide member connecting portion 42, the combining edge 44 is integrally formed with the air dispersing portion 43 and the air guide member connecting portion 42, the combining edge 44 protrudes out of the surface of the other side of the appearance surface of the air dispersing portion 43, the combining edge 44 and the air guide member connecting portion 42 form an oil guiding channel, and the air dispersing hole 41 at the lowest position is connected with the oil guiding channel. The oil guiding channel is used for guiding liquid formed on the upper edge of the air suction inlet 11 on the inner side of the panel 1 to two sides of the air suction inlet 11. In the long-term operation process of the range hood, a large amount of liquid mixed with oil, water and smoke is formed in the inner air duct of the range hood, the liquid adheres to the inner wall surface of the inner air duct of the range hood and flows on the inner wall surface of the inner air duct of the range hood, the liquid also flows on the inner side of the panel 1, the liquid formed by the part of the panel 1 above the air suction opening 11 flows downwards along the inner side wall surface of the panel 1 and gathers on the upper edge of the air suction opening 11, in order to prevent the liquid gathered on the upper edge of the air suction opening 11 from flowing out of the panel 1 through the air suction opening 11, the panel 1 is provided with an oil baffle structure positioned on the upper edge of the air suction opening 11, when the air suction opening air guide piece is applied to the range hood, two ends of the oil baffle structure are abutted with the air suction opening air guide piece, the free end air guide piece connecting part 42 of the oil baffle structure is abutted, the liquid accumulated on the oil baffle structure is guided towards the two sides of the air suction opening along the oil baffle structure, and an oil guide channel is formed along the combining edge 44 and the air guide piece connecting part 42 to prevent the liquid accumulated on the oil baffle structure from flowing downwards, and the liquid on the inner side of the panel 1 can flow out of the panel 1 through the air suction opening 11. During the long-term operation of the range hood, the side of the air dispersing part 43 facing the suction air side also forms liquid, and the liquid flows along the air dispersing part 43, flows to the lowest position of the air dispersing part 43, and drops from the air dispersing hole 4 at the lowest position when flowing to the air dispersing hole 41 at the lowest position of the air dispersing part 43, so that the liquid generated on the surface of the air dispersing part 43 facing the suction air can be prevented from dropping to the outer side of the panel 1 from the air suction inlet 11.
Referring to fig. 1 and 2, in the air suction inlet air guide member of the present invention, the body of the air dispersing part 43 is an arc surface, and the arc surface protrudes towards one side of the appearance surface of the air dispersing part 43; the projection of the cambered surface downwards is positioned in the inner air duct of the range hood. In the long-term operation process of the range hood, a large amount of liquid mixed with oil, water and smoke is formed in the inner air duct of the range hood, the air dispersing part 43 can generate liquid on the wall surface facing the inner air duct of the range hood, the liquid flows along the air dispersing part 43, the downward projection of the cambered surface forming the air dispersing part 43 is positioned in the inner air duct of the range hood, and when the liquid flowing along the air dispersing part 43 drops downwards, the liquid drops into the inner air duct of the range hood and cannot drop to the outer side of the panel 1 through the air suction inlet 11.
The air inlet guide piece of the invention, when being connected to the two sides of the air inlet 11 on the panel 1 of the range hood, actually increases the cross-sectional area of the air outlet when the sucked air flows between the air inlet guide pieces on the two sides of the air inlet 11 of the panel 1, and the air inlet guide piece guides and adjusts the flow speed and the flow direction of the sucked air, so that the flow speed of the sucked air is reduced, the wind pressure is reduced, and the noise generated when the sucked air enters the inner air duct of the range hood is reduced.
Referring to fig. 3, the invention further discloses a range hood, which comprises a panel 1, wherein an air suction port 11 is arranged on the panel 1, the range hood further comprises the air suction port air guide piece, the air suction port air guide piece is connected to the left side and the right side of the air suction port 11 of the panel 1, the air suction port 11 is communicated with an air outlet of the range hood, and an air exhaust fan 7 is arranged between the air suction port 11 and the air outlet. When the range hood works, the exhaust fan 7 is started, negative pressure is formed in the inner air channel of the range hood, under the action of the negative pressure, air at the air suction inlet 11 of the panel 1 flows to the inner air channel of the range hood through the air suction inlet, the sucked air flows out from the air channel air guide parts at two sides of the air suction inlet 11 after passing through the air suction inlet 11, in the flowing-out process, as the air guide parts 46 of the two air suction inlet air guide parts form an expansion section air guide part, the distance between the air guide parts 46 of the two air suction inlet air guide parts is larger than the width of the air suction inlet 11, the cross-sectional area of the sucked air of the range hood is increased, the sucked air is formed after the sucked air is sucked through the air suction inlet on the panel 1, when the sucked air flows between the air suction inlet air guide parts at two sides of the air suction inlet 11 of the panel 1, the flow speed is reduced, the air pressure is reduced, and noise generated when the sucked air enters the inner air channel of the range hood is reduced. When the air inlet pressure at the air suction inlet 11 is large, the sucked air entering through the air suction inlet 11 enters the inner air channel of the range hood from the air dispersing holes 41 on the air dispersing part 43 when passing through the air dispersing part 43 of the air inlet air guide piece, and is positioned in the air channel at the other side of the air dispersing part 43, so that the flow speed and the flow direction of the sucked air are further guided and regulated, the flow speed of the sucked air is reduced, the air pressure is reduced, and the noise generated when the sucked air enters the inner air channel of the range hood is reduced.
According to the range hood disclosed by the invention, the inner side of the part of the panel 1, which is positioned at the side edge of the air suction port 11, is provided with the step matched with the air guide piece connecting part 42 of the air suction port air guide piece, the height of the step is matched with the thickness of the air guide piece connecting part 42, and the adhesive layer is arranged between the air guide piece connecting part 42 and the corresponding surface of the part of the panel 1, which is positioned at the side edge of the air suction port 11, so that sealing connection is formed. In the long-term operation process of the range hood, a large amount of liquid mixed with oil, water and smoke is formed in the inner air duct of the range hood, and the liquid adheres to the inner wall surface of the inner air duct of the range hood and flows on the inner wall surface of the inner air duct of the range hood, and the liquid is generated on the inner side of the panel 1. If the air guide connecting part 42 is connected with the panel 1, the part of the air guide connecting part located in the inner air duct protrudes out of the inner wall surface of the panel 1, liquid can gather at the upper end of the air guide connecting part 42, and the gathered liquid can easily flow through the appearance surface of the upper end type air guide connecting part 42 of the air guide connecting part 42; in order to avoid the backflow of the liquid generated inside the panel 1, after the air guide connection portion 42 is connected to the inside of the panel 1, the surface of the air guide connection portion is flush with the surface of the inside of the panel 1, so that the liquid generated inside the panel 1 can continue to flow along the surface of the air guide connection portion 42 without being accumulated at the upper end edge of the air guide connection portion 42. The steps positioned on the inner side of the panel 1 are arranged on the two sides of the air suction inlet 11, the upper surface of the steps is lower than the inner side wall surface of the panel 1, the thickness of the steps is matched with the thickness of the air guide connecting part 42, the air guide connecting part 42 is installed in the steps, and after the steps are connected together, the upper surface of the air guide connecting part 42 is flush with the inner side wall surface of the panel 1, so that liquid generated on the inner side of the panel 1 can continuously flow along the surface of the air guide connecting part 42 without gathering at the upper end edge of the air guide connecting part 42.
Referring to fig. 3 to 6, in the range hood of the present invention, an air guiding and liquid guiding member 2 is disposed at an upper edge of an air suction port 11, the air guiding and liquid guiding member 2 includes an air guiding and liquid guiding portion 23, and a liquid guiding surface is disposed on a lower surface of the air guiding and liquid guiding portion 23; the air-guiding liquid-guiding part 23 is used for forming obliquely downward air flow and guiding the liquid gathered on the upper edge of the air suction inlet 11 outside the panel 1 into an inner air duct of the range hood, the air-guiding liquid-guiding part 23 is provided with a plurality of first air-guiding through holes 231, and the air inlet 11 air-inlets flow obliquely upwards from one side of the liquid-guiding surface; the lower surface of the air-guiding liquid-guiding part 23 is a liquid-guiding surface; the left side and the right side of the air guide and liquid guide piece 2 are symmetrically and respectively abutted on the air suction inlet air guide piece on the corresponding side. The panel 1 of the range hood is provided with an inclined section, the air suction inlet 11 is arranged on the inclined section of the panel 1, when the exhaust fan 7 of the range hood is started, the cooking fume of the cooking environment flows into the inner air duct of the range hood through the air suction inlet 11, and the initial state of the sucked air entering the air suction inlet 11 of the panel 1 is inclined upwards; the upper edge of the air suction inlet 11 is provided with the air guide liquid guiding piece 2 positioned at the inner side of the panel 1, when the sucked air entering through the air suction inlet 11 passes through the air guide liquid guiding part 23 and the air suction inlet air guiding pieces at the two sides of the air guide liquid guiding part 23, the sucked air is downwards pressed by the air guide liquid guiding part 23 and forms inclined downward air flow, when the air guide liquid guiding part 23 downwards presses the air, the air flows towards the air suction inlet air guiding pieces at the two sides of the air guide liquid guiding part 23 and is guided by the air suction inlet air guiding piece to diffuse into the inner air channel of the range hood, the air guide liquid guiding piece 2 and the air suction inlet air guiding piece not only increase the cross section area of the air outlet of the sucked air of the range hood, but also change the flow direction of the sucked air entering through the air suction inlet 11 of the panel 1, so that when the sucked air enters the inner air channel of the range hood, the wind pressure is deformed, the flow speed is slow, the generated noise is reduced, and the comfort of a user is improved. In the long-term working process of the range hood, the cooking fume of the cooking environment can also produce the liquid mixed with oil, water and smoke on the outer side wall surface of the panel 1, the liquid produced on the outer side wall surface of the panel 1 above the air suction port 11 can flow along the outer side wall surface of the panel 1 and gather at the upper edge of the air suction port 11, because the air suction port 11 is arranged on the inclined section of the panel 1, the liquid gathered at the upper edge of the air suction port 11 of the panel 1 can drop downwards and onto a cooking bench or into cooking food or onto the hands of a user who drops, and the user experience is affected; when the range hood works for a long time, the liquid gathered on the outer side of the panel 1 and located above the air suction inlet 11 flows along the panel 1 towards the air suction inlet 11, when flowing to the upper edge of the air suction inlet 11, the air guide liquid guiding part 23 guides the liquid at the upper edge of the air suction inlet 11 to the liquid level, the liquid flows along the liquid guide surface and drops into the inner air channel of the range hood from the lowest end of the air guide liquid guiding part 23, when the air inlet flows into the inner air channel of the range hood from the air suction inlet 11, the liquid drops pass through the sucked air entering from the air suction inlet 11, and when the exhaust fan 7 of the range hood runs at a high windshield, the ventilated air flow blows the liquid drops into the inner air channel of the range hood, so that the liquid drops further float into the inner air channel of the range hood, and the liquid drops can be prevented from dropping to the outer side of the panel 1.
Referring to fig. 5, in the range hood of the present invention, the air-guiding liquid-guiding member 2 has a guiding end 21 adjacent to or connected to the panel 1, and the guiding end 21 is used for receiving the liquid flowing down from the butt end 12 of the panel 1; the connection end 21 is connected with the air guide liquid guiding part 23, and the connection end 21 and the butt joint end 12 of the panel 1 form a wetting gap a, the width of the wetting gap a is 0.5mm-1.5mm, and the wetting gap a has a structure with a large lower side and a small upper side. The infiltration gap a is used for guiding liquid at the suction inlet 11 of the panel 1 to the liquid level, after the air-guiding liquid-guiding piece 2 is connected with the inner side of the panel 1, the connection end 21 is close to the panel 1 and is connected with the panel 1 from the inner side of the panel 1, and when the liquid outside the panel 1 flows downwards along the panel 1, the liquid gathers to the butt joint end 12 of the panel 1, then enters the infiltration gap a from the butt joint end 12 and gathers in the infiltration gap a; when the liquid in the infiltration gap a is gathered, the liquid flows to the leading end 21, then flows to the liquid guiding surface of the air guiding and guiding part 23 by the leading end 21, the liquid continuously flows along the liquid guiding surface and finally gathers at the lowest part of the liquid guiding surface, when the liquid drops are large enough, the liquid drops drop downwards from the liquid gathering part 22, when the range hood is started, the air inlet of the air suction port 11 blows into the inner air duct of the range hood, and the liquid drops are blown by the sucked air and float into the inner air duct of the range hood.
Referring to fig. 5, in the range hood of the present invention, a panel 1 is bent upwards to form an oil blocking structure 15, and an air guiding and liquid guiding member 2 further includes a panel connecting portion 24, where the oil blocking structure 15 is fixedly connected with the panel connecting portion 24; the oil baffle structure 15 is a straight line section arranged along the upper edge of the air suction inlet 11, and an oil guiding channel is formed at the free end of the oil baffle structure 15 to be communicated with the combination edge 44 of the air suction inlet air guide piece and the air guide piece connecting part 42 of the air suction inlet air guide piece. When the part of the inner wall surface of the panel 1 above the air suction port 11 generates liquid to flow to two sides of the oil blocking structure 15 during long-term operation of the range hood, an oil guiding channel is formed from the free end of the oil blocking structure 15 to the joint edge 44 and the air guide piece connecting part 42 to flow, and then the liquid flows to the inner wall surface of the panel 1 below the air suction port 11 along the oil guiding channel.
Referring to fig. 3 to 6, in the range hood of the present invention, a liquid receiving and air guiding member 3 is disposed at a lower edge of an air suction port 11, the liquid receiving and air guiding member 3 includes a receiving portion 32, the receiving portion 32 extends from the air suction port 11 to an inner air duct of the range hood, the receiving portion 32 and an air guiding and liquid guiding portion 23 of the air guiding and liquid guiding member 2 together form a downward guide for air flow, and an oil dropping hole 31 is disposed at a lower portion of the receiving portion 32; the air-guiding and liquid-guiding member 2 is provided with a liquid-collecting part 22, and the liquid collected by the liquid-collecting part 22 drops down and the sucked air passing through the air suction port 11 falls into the receiving part 32 of the liquid-receiving and air-guiding member. After the air-guiding liquid-guiding piece 2 is connected with the inner side of the panel 1, the connecting end 21 is close to the panel 1 and is connected with the panel 1 from the inner side of the panel 1, when the liquid outside the panel 1 flows downwards along the panel 1, the liquid gathers to the butt joint end 12 of the panel 1, then enters the infiltration gap a from the butt joint end 12 and gathers in the infiltration gap a; when the liquid in the infiltration gap a is gathered, the liquid flows to the leading end 21, then flows from the leading end 21 to the liquid guiding surface of the liquid guiding and guiding part 23, continuously flows along the liquid guiding surface and flows along the liquid guiding surface to the liquid collecting part 22, then gathers the liquid collecting part 22 of the liquid guiding and guiding part 2, the projection of the liquid collecting part 22 is positioned in the inner air duct of the range hood, and the downward projection distance of the liquid collecting part 22 to the back plate of the inner air duct of the range hood is smaller than the downward projection distance from the lower end of the air suction inlet 11 to the back plate of the inner air duct of the range hood, so that when the liquid gathers in the oil collecting part 22 and finally drops downwards from the liquid collecting part 22, the liquid drops onto the receiving part 32 of the liquid guiding and guiding part 3, then flows along the receiving part 32 to the oil dropping hole 31 and drops downwards from the oil dropping hole 31; in the process that liquid drops drop downwards from the liquid collecting part 22, the liquid drops pass through the suction air from the air suction inlet 11, the suction air flows into the inner air channel of the range hood through the air suction inlet 11, when the exhaust fan 7 of the range hood runs on a high windshield, the ventilation air flow can blow the liquid drops into the inner air channel of the range hood, so that the liquid drops further fall into the inner air channel of the range hood, the liquid drops falling from the liquid collecting part 22 can be ensured to fall onto the receiving part 32 of the liquid receiving air guide piece 3, and the liquid drops cannot fall to the outer side of the panel 1.
Referring to fig. 4 and 6, in the range hood of the present invention, the liquid receiving air guide member 3 has an air guide section 33 for guiding air obliquely upward, and the receiving portion 32 is connected to the air guide section 33; the air guiding section 33 is used for forming air flow obliquely upwards; the left side and the right side of the liquid receiving air guide piece 3 are symmetrical, the lower side of the appearance surface of the air dispersing part 43 of the air suction inlet air guide piece is provided with a supporting edge 45 which is matched with the side edge shape of the liquid receiving air guide piece 3, and two ends of the liquid receiving air guide piece 3 are respectively abutted on the supporting edge 45 of the air suction inlet air guide piece on the corresponding side. The liquid receiving air guide piece 3 is a guide structure for guiding the air inlet of the air inlet 11 upwards, the liquid receiving air guide piece 3 is arranged at the lower edge of the air inlet 11, when the air inlet of the air inlet 11 passes through the air guiding liquid guiding part 23 and the liquid receiving air guide piece 3, the air guiding liquid guiding part 23 downwards presses the air, the downwards pressed air is guided upwards obliquely by the air guiding section 33 when passing through the liquid receiving air guide piece 3, the air inlet of the air inlet 11 finally forms upwards oblique air flow, the height of the air flow when leaving the air guiding section 33 is higher than the height of the air flow when directly entering the inner air channel of the range hood from the air inlet 11, and the air flow is blown to the back plate of the inner air channel of the range hood, the air flow is closer to the air inlet of the air exhaust fan 7, and the air exhaust efficiency of the air exhaust fan 7 is higher. And when the air is pressed down by the air guiding and liquid guiding part 23, the pressure intensity of the air is increased, the flow speed is increased, and the speed of the air entering the inner air channel of the range hood is increased. When the sucked air enters the inner air duct of the range hood along the air dispersing part 43, liquid is generated on the wall surface of the air guiding part 46 facing the sucked air and the wall surface of the inner air duct facing the range hood, the liquid generated on the wall surface of the air guiding part 46 facing the sucked air flows downwards along the side wall surface of the air guiding part 46, and as the two ends of the liquid receiving air guiding part 3 are respectively abutted on the supporting edges 45 of the air suction inlet air guiding parts on the corresponding sides, the liquid flowing by the air guiding part 46 drops onto the air guiding section 33, then flows downwards along the air guiding section 33 and finally is collected on the receiving part 32 of the liquid receiving air guiding part 3, and drops from the drop holes 31 of the liquid receiving air guiding part 3, so that the liquid collected by the air guiding part 46 can be prevented from dropping to the outer side of the panel 1.
Referring to fig. 3 and 4, in the range hood of the present invention, the air guiding section 33 faces the back plate of the inner air duct of the range hood and extends obliquely upward, the angle range of the air guiding section 33 forming an upward angle with the horizontal plane is 20 ° -90 °, the length of the air guiding section 33 is greater than the height of the air suction inlet 11, and the ratio of the length value of the air guiding section 33 to the height value of the air suction inlet 11 is 1.1-4.5. The greater the upward included angle formed by the air guide section 33 and the horizontal plane, the higher the height of the back plate of the inner air duct of the range hood, which is blown by the air flow formed when the air inlet of the air inlet 11 flows out along the air guide section 33, the smaller the distance from the air inlet of the air exhaust fan 7, and the higher the air inlet and air exhaust speeds of the air exhaust fan 7. Since the receiving portion 32 is inclined downward from the lower edge of the air inlet 11, the height of the air flow formed by the air guiding and liquid guiding portion 23 and the receiving portion 32 after being pressed down becomes lower, if the length of the air guiding section 33 is smaller than the height of the air inlet 11, the highest point of the projection of the air guiding section 33 to the vertical direction will be lower than the height of the upper edge of the air inlet 11, so that after the air inlet of the air inlet 11 is pressed down by the air guiding and liquid guiding portion 23 and the receiving portion 32 and then is lifted up by the air guiding section 33, part of the air flow can flow back from the air inlet 11. The length of the air guiding section 33 is longer than the height of the air suction inlet 11, so that the air flow flowing out of the air guiding section 33 can be ensured not to flow back from the air suction inlet; the smaller the upward included angle formed between the air guide section 33 and the horizontal plane, the longer the length of the air guide section 33 needs to be, so that the air flow flowing out of the air guide section 33 can be blown to a place with higher back plate height of an inner air duct of the range hood while the air flow flowing out of the air guide section 33 is ensured not to flow back from the air suction inlet. When the angle formed by the wind guiding section 33 and the horizontal plane is 20 degrees, the length of the wind guiding section 33 is 4.5 times of the height of the air suction inlet 11, so that if the height of the air suction inlet 11 is L, the length of the wind guiding section 33 is 4.5L, the projection height of the wind guiding section 33 to the vertical plane is 4.5 L.sin 20,4.5 L.sin 20 > L, and the highest point of the projection of the wind guiding section 33 to the vertical plane is ensured to be higher than the upper edge of the air suction inlet 11. When the angle formed by the wind guiding section 33 and the horizontal plane is 60 degrees, the length of the wind guiding section 33 is 3 times of the height of the air suction inlet 11, so if the height of the air suction inlet 11 is L, the length of the wind guiding section 33 is 3L, the projection height of the wind guiding section 33 to the vertical plane is 3L sin60,4.5L sin60 > L, and the highest point of the projection of the wind guiding section 33 to the vertical plane can be ensured to be higher than the upper edge of the air suction inlet 11 while compensating the height difference caused by the downward inclination of the bearing part 32. When the angle formed by the air guiding section 33 and the horizontal plane is 90 degrees, the length of the air guiding section 33 is 1.1 times of the height of the air suction inlet 11, so that if the height of the air suction inlet 11 is L, the length of the air guiding section 33 is 1.1L, the projection height of the air guiding section 33 to the vertical plane is 1.1L×sin90,4.5L×sin90 > L, the highest point of the projection of the air guiding section 33 to the vertical plane can be ensured to be higher than the upper edge of the air suction inlet 11 while compensating the height difference caused by the downward inclination of the bearing part 32.
Referring to fig. 4, in the range hood of the present invention, the air guiding section 33 is arc-shaped, and the angle range of the air outlet is 130 ° to 175 °; the air inlet of the air inlet 11 forms four air flows, which are respectively: the main air port air flow is the air flow which is formed along the air guide liquid guiding part 23, the bearing part 32 and the air guide section 33 and is initially pressed down and then obliquely upwards; the air intake passes through the upward air flow formed by the first air guide through hole 231 of the air guide liquid guiding part 23; the left air flow formed by the air inlet passing through the air dispersing holes 41 of the left air inlet guide member and the right air flow formed by the air inlet passing through the air dispersing holes 41 of the right air inlet guide member. Because the bearing part 32 is inclined downwards, the air guide liquid guiding part 23 is also inclined downwards, when the air inlet passing through the air inlet 11 passes through the air guide liquid guiding part 23 and the bearing part 32, the air guide liquid guiding part 23 and the bearing part 32 downwards press the air inlet, the effective air outlet area of the air inlet 11 is reduced, the air pressure is increased, and under the action of the air pressure, the main air inlet air flow is the initial downward pressure formed among the air guide liquid guiding part 23, the bearing part 32 and the air guide section 33, and then the air flow is in the inclined upwards direction; a part of the air intake passes through the first air guide through hole 231 of the air guide liquid guiding part 23 and forms upward air flow; a part of the air intake passes through the air dispersing holes 41 of the left air inlet air guide piece and forms left air flow; and a part of the air inlet passes through the air dispersing holes 41 of the right air inlet air guide piece to form rightward air flow, the rest of the air inlet passes between the air guide liquid guiding part 23 and the bearing part 32 continuously and is guided by the air guide section 33, and finally the part of the air inlet is guided upwards by the air guide section 33 to form obliquely upward air flow. The air-guiding liquid-guiding part 23 and the bearing part 32 reduce the effective air-out area of the air suction inlet 11, can increase the air pressure and improve the flow speed when the air inlet flows out from the air suction inlet 11, but when the external air pressure is larger, the first air-guiding through holes 231 and the air-dispersing holes 41 can effectively regulate the sucked air entering the inner air channel of the range hood from the air suction inlet 11, namely effectively regulate the air discharged from the air suction inlet 11.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.

Claims (10)

1. An inlet scoop wind-guiding piece, connects in at least one side of inlet scoop (11) of panel (1) of range hood, its characterized in that: the air guide device comprises an air dispersing part (43), wherein the air dispersing part (43) is provided with an air guide part (46) which is obliquely arranged, the air guide part (46) is positioned on the upper side of the air dispersing part (43) and forms an expansion section air guide part, and the air guide part (46) is used for guiding sucked air to an inner air duct of the range hood; the air dispersing part (43) comprises an appearance surface facing to sucked air, the appearance surface is provided with an air dispersing hole (41), and the sucked air enters the inner air channel of the range hood from the air dispersing hole (41) and is positioned in the air channel at the other side of the air dispersing part (43).
2. The air suction port air guide member according to claim 1, further comprising an air guide member connecting portion (42) extending to a portion of the panel (1) located at the side edge of the air suction port (11), wherein the air guide member connecting portion (42) is integrally formed with the air dispersing portion (43) and extends to an air channel on the other side of the appearance surface of the air dispersing portion (43), and the appearance surface of the air guide member connecting portion (42) is in a shape adapted to the shape of the side edge of the air suction port (11).
3. The air suction inlet air guide member according to claim 2, wherein the air dispersing portion (43) has a circular arc and a combination edge (44) extending downwards to the upper surface of the air guide member connection portion (42), the combination edge (44) is integrally formed with the air dispersing portion (43) and the air guide member connection portion (42), the combination edge (44) protrudes out of the surface of the other side of the appearance surface of the air dispersing portion (43), the combination edge (44) and the air guide member connection portion (42) form an oil guiding channel, and the air dispersing hole (41) at the lowest position is connected with the oil guiding channel.
4. The air intake air guide piece according to claim 1, wherein the body of the air dispersing part (43) is an arc surface, and the arc surface protrudes toward a side facing away from the appearance surface of the air dispersing part (43); the projection of the cambered surface downwards is positioned in the inner air duct of the range hood.
5. The utility model provides a range hood, includes panel (1), be equipped with inlet scoop (11), its characterized in that on panel (1): the air suction inlet air guide piece is connected to the left side and the right side of an air suction inlet (11) of the panel (1), the air suction inlet (11) is communicated with an air outlet of the range hood, and an air exhaust fan (7) is arranged between the air suction inlet (11) and the air outlet.
6. The range hood according to claim 5, wherein the inner side of the part of the panel (1) located at the side edge of the air suction inlet (11) is provided with a step adapted to the air guide connecting part (42) of the air suction inlet air guide, the height of the step is adapted to the thickness of the air guide connecting part (42), and an adhesive layer is arranged between the air guide connecting part (42) and the corresponding surface of the part of the panel (1) located at the side edge of the air suction inlet (11) and forms a sealing connection.
7. The range hood according to claim 5, wherein the upper edge of the air suction inlet (11) is provided with an air-guiding liquid-guiding piece (2), the air-guiding liquid-guiding piece (2) comprises an air-guiding liquid-guiding part (23), and the lower surface of the air-guiding liquid-guiding part (23) is a liquid-guiding surface; the air-guiding liquid-guiding part (23) is used for forming downward-inclined air flow and guiding liquid which is gathered on the upper edge of the air suction opening (11) outside the panel (1) into an inner air duct of the range hood, the air-guiding liquid-guiding part (23) is provided with a plurality of first air-guiding through holes (231), and air inlet of the air suction opening (11) flows obliquely upwards from one side of the liquid guiding surface; the left side and the right side of the air guide liquid guide piece (2) are symmetrically and respectively abutted on the air suction inlet air guide piece at the corresponding side.
8. The range hood according to claim 7, wherein the panel (1) is bent upwards to form an oil blocking structure (15), the air guiding and liquid guiding member (2) further comprises a panel connecting portion (24), and the oil blocking structure (15) is fixedly connected with the panel connecting portion (24); the oil retaining structure (15) is a straight line section arranged along the upper edge of the air suction inlet (11), and the free end of the oil retaining structure (15) is communicated with the combination edge (44) of the air suction inlet air guide piece and the air guide piece connecting part (42) of the air suction inlet air guide piece to form an oil guide channel.
9. The air suction inlet air guide piece according to claim 7, wherein the lower edge of the air suction inlet (11) is provided with a liquid receiving air guide piece (3), and the liquid receiving air guide piece (3) comprises a receiving part (32); the bearing part (32) extends from the air suction inlet (11) to an inner air duct of the range hood, the bearing part (32) and the air guiding and liquid guiding part (23) of the air guiding and liquid guiding piece (2) form downward guide with air flow, and an oil dropping hole (31) is arranged at the lower part of the bearing part (32); the liquid guiding and guiding piece (2) is provided with a liquid collecting part (22), and the liquid collected by the liquid collecting part (22) drops down and the sucked air passing through the air suction inlet (11) falls into the receiving part (32) of the liquid receiving and guiding piece.
10. -range hood according to claim 9, characterised in that the lower edge of the suction opening (11) is provided with a liquid-receiving air-guiding element (3), which liquid-receiving air-guiding element (3) has an air-guiding section (33) for guiding air obliquely upwards, the receiving portion (32) being connected with the air-guiding section (33), which air-guiding section (33) is adapted to create an air flow obliquely upwards; the liquid receiving and air guiding piece (3) is symmetrical on the left side and the right side, the lower side of the appearance surface of the air dispersing part (43) of the air suction inlet air guiding piece is provided with a supporting edge (45) which is matched with the side edge of the liquid receiving and air guiding piece (3), and the two ends of the liquid receiving and air guiding piece (3) are respectively abutted to the supporting edges (45) of the air suction inlet air guiding piece on the corresponding side.
CN202210959571.2A 2022-08-10 2022-08-10 Induced-draught port wind-guiding piece and range hood Pending CN117628550A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210959571.2A CN117628550A (en) 2022-08-10 2022-08-10 Induced-draught port wind-guiding piece and range hood

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210959571.2A CN117628550A (en) 2022-08-10 2022-08-10 Induced-draught port wind-guiding piece and range hood

Publications (1)

Publication Number Publication Date
CN117628550A true CN117628550A (en) 2024-03-01

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ID=90020397

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210959571.2A Pending CN117628550A (en) 2022-08-10 2022-08-10 Induced-draught port wind-guiding piece and range hood

Country Status (1)

Country Link
CN (1) CN117628550A (en)

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