Flow guide structure of range hood and range hood

Abstract

The utility model discloses a flow guide structure of a range hood and the range hood, the flow guide structure of the range hood comprises a first flow guide plate which is arranged on the rear side of a rear cover plate of a turning plate assembly of the range hood; the second flow guide plate is arranged on the lower side of the first flow guide plate and connected with or abuts against the rear end of a lower side plate of the turning plate assembly, when the turning plate assembly is in the state that a main air inlet of the range hood is opened, the lower side plate and the second flow guide plate are obliquely arranged downwards from front to back, and the inclination angle of the second flow guide plate is larger than that of the lower side plate; the lowest point of the second guide plate is lower than the lower side plate and is positioned in a smoke collecting cavity of the range hood. According to the flow guide structure of the range hood provided by the utility model, oil stains on the rear cover plate and the lower side plate of the turning plate assembly can be guided into the smoke collecting cavity in a state that the turning plate assembly opens the main air inlet, so that the oil stains on the rear cover plate and the lower side plate are prevented from dripping out of the range hood.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to a flow guide structure of a range hood and the range hood. Background Art

[0002] In the existing wall-mounted range hood, when the glass panel is in the state of closing and opening the main air inlet, the lowest point of the cavity cover structure located on the rear side of the glass panel will change. Specifically, when the glass panel opens the main air inlet, the lowest point of the cavity cover is located on the rear side of the cavity cover structure, and when the glass panel is in the state of closing the main air inlet, the lowest point of the cavity cover structure is located on the front side of the cavity cover structure. That is, the oil stains on the cavity cover structure will flow back and forth on the cavity cover structure as the glass panel swings, and it is very easy to drip onto the outside of the smoke hood, causing oil leakage in the range hood.

[0003] Therefore, a flow guiding structure is urgently needed to solve the above problems. Utility Model Content

[0004] The present invention aims to solve at least one of the problems existing in the existing related technologies to a certain extent. To this end, the present invention proposes a guide structure for a range hood, which can guide the oil stains on the rear cover plate and the lower side plate of the flap assembly into the smoke collecting chamber when the flap assembly opens the main air inlet, so as to prevent the oil stains on the rear cover plate and the lower side plate from dripping out of the range hood.

[0005] The above purpose is achieved through the following technical solutions:

[0006] A flow guiding structure of a range hood, the flow guiding structure comprising:

[0007] A first air guide plate is mounted on the rear side of the rear cover plate of the flap assembly of the range hood;

[0008] The second guide plate is arranged on the lower side of the first guide plate and is connected or abutted with the rear end of the lower side plate of the flap assembly. When the flap assembly is in a state of opening the main air inlet of the range hood, the lower side plate and the second guide plate are both inclined downward from front to back, and the inclination angle of the second guide plate is greater than the inclination angle of the lower side plate. The lowest point of the second guide plate is lower than the lower side plate, and the lowest point of the second guide plate is located in the smoke collecting chamber of the range hood.

[0009] Optionally, a third guide plate is further included, wherein the third guide plate is arranged between the first guide plate and the second guide plate, and the third guide plate is arranged on the lower side of the lower side plate.

[0010] Optionally, the front side surface of the first guide plate is fitted with the rear side surface of the rear cover plate; and / or the upper side surface of the third guide plate is fitted with the lower side surface of the lower side plate.

[0011] Optionally, when the flap assembly is in a state of opening the main air inlet of the range hood, the vertical projection of the lower end of the first guide plate is located on the second guide plate.

[0012] Optionally, an oil guide hole is provided at the connection between the first guide plate and the third guide plate, and when the flap assembly is in a state of opening the main air inlet of the range hood, the vertical projection of the oil guide hole is located on the second guide plate.

[0013] Optionally, the first guide plate, the second guide plate and the third guide plate are integrally formed.

[0014] On the other hand, the utility model provides a range hood, comprising a smoke hood, a flap assembly and the above-mentioned guide structure of the range hood, the smoke hood comprising a smoke hood body, a smoke collecting chamber with a main air inlet on the front side formed in the smoke hood body, the flap assembly comprising a glass panel, a rear cover plate arranged on the upper part of the rear side of the glass panel, and a lower side plate arranged on the lower side of the rear cover plate, the upper end of the glass panel is hinged to the upper end of the smoke hood for closing and opening the main air inlet, the glass panel, the rear cover plate and the lower side plate enclose a cavity, the lower side plate is provided with an auxiliary air inlet connected to the cavity, the rear side of the rear cover plate is provided with an auxiliary air outlet connecting the cavity and the smoke collecting chamber, and when the glass panel is in a state of closing the main air inlet, the lower side plate is inclined upward from front to back.

[0015] Optionally, the front end of the lower side panel is also provided with a guide protrusion protruding downward. When the glass panel is in a state of closing the main air inlet, the guide protrusion is inclined upward from front to back. The inclination angle of the guide protrusion is greater than the inclination angle of the lower side panel, and the lowest point of the guide protrusion is lower than the lowest point of the second guide plate. The lowest point of the guide protrusion is located in the smoke collecting chamber.

[0016] Optionally, it also includes a crossbeam structure, which is arranged in the smoke collecting chamber, and is provided with an oil receiving groove with an upward opening, and is provided with an oil through hole connected to the bottom of the smoke collecting chamber. When the glass panel is in a state of closing the main air inlet, the lowest point of the guide protrusion is located above the oil receiving groove, and when the glass panel is in a state of opening the main air inlet, the lowest point of the second guide plate is located above the oil receiving groove.

[0017] Optionally, an oil cup is further included, and the oil cup is installed on the lower side of the smoke hood body. The lower side of the smoke hood body is provided with an oil outlet hole connected with the oil cup.

[0018] Optionally, the flap assembly also includes a driving structure, and the smoke hood also includes a guide member arranged in the smoke collecting chamber, the guide member is arranged to be inclined upward from front to back, and the driving structure is installed on the rear side of the guide member, and an oil passage is also formed between the guide member and the smoke hood body, the oil hole is connected to the oil passage, and the oil outlet hole is arranged on the bottom side of the oil passage.

[0019] Compared with the prior art, the utility model has at least the following beneficial effects:

[0020] The utility model provides a guide structure for a range hood, the guide structure comprising a first guide plate and a second guide plate. The first guide plate is installed on the rear side of a rear cover plate of a flap assembly of the range hood. The second guide plate is arranged on the lower side of the first guide plate and is connected or abutted with the rear end of the lower side plate of the flap assembly. When the flap assembly is in a state of opening the main air inlet of the range hood, the lower side plate and the second guide plate are both arranged to tilt downward from front to back, and the inclination angle of the second guide plate is greater than the inclination angle of the lower side plate. The lowest point of the second guide plate is arranged lower than the lower side plate, and the lowest point of the second guide plate is located in the smoke collecting chamber of the range hood, so that the oil stains on the lower side plate can flow to the second guide plate, and then drip into the smoke collecting chamber through the lowest point of the second guide plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of a range hood provided by a specific embodiment of the utility model (the flap assembly is in a state of opening the main air inlet);

[0022] Figure 2 yes Figure 1 Exploded diagram of

[0023] Figure 3 It is a three-dimensional structural schematic diagram of the flow guide structure of the range hood provided by a specific embodiment of the utility model;

[0024] Figure 4 yes Figure 1 A top view of

[0025] Figure 5 yes Figure 4 Sectional view at AA in the middle;

[0026] Figure 6 yes Figure 5 The enlarged view of point B in the middle;

[0027] Figure 7 It is a top view of the range hood provided by a specific embodiment of the utility model (the flap assembly is in a state of closing the main air inlet);

[0028] Figure 8 yes Figure 7Sectional view at CC;

[0029] Fig. 9 yes Figure 8 Enlarged view of point D in the middle.

[0030] In the figure:

[0031] 1. guide structure; 10. oil guide hole; 11. first guide plate; 12. third guide plate; 13. second guide plate;

[0032] 2. Smoke hood; 20. Main air inlet; 21. Smoke hood body; 22. Flow guide; 200. Smoke collecting chamber; 100. Oil passage;

[0033] 3. flap assembly; 31. glass panel; 32. lower side panel; 321. air guide protrusion; 33. rear cover plate; 30. cavity; 301. auxiliary air inlet; 302. auxiliary air outlet;

[0034] 4. Bellows assembly;

[0035] 5. Crossbeam structure; 50. Oil receiving tank. DETAILED DESCRIPTION

[0036] The following examples illustrate the present invention, but the present invention is not limited by these examples. Modifications to the specific implementation of the present invention or equivalent replacement of some technical features without departing from the spirit of the present invention should be included in the scope of the technical solution claimed for protection in the present invention.

[0037] Please refer to Figure 1-Figure 9 The utility model provides a guide structure of a range hood, the guide structure 1 includes a first guide plate 11 and a second guide plate 13. The first guide plate 11 is installed on the rear side of the rear cover plate of the flap assembly 3 of the range hood. The second guide plate 13 is arranged on the lower side of the first guide plate 11 and is connected or abutted with the rear end of the lower side plate 32 of the flap assembly 3. When the flap assembly 3 is in the state of opening the main air inlet 20 of the range hood, the lower side plate 32 and the second guide plate 13 are both inclined downward from front to back, and the inclination angle of the second guide plate 13 is greater than the inclination angle of the lower side plate 32. The lowest point of the second guide plate 13 is set lower than the lower side plate 32. The lowest point of the second guide plate 13 is located in the smoke collecting chamber 200 of the range hood, so that the oil on the lower side plate 32 can quickly flow to the second guide plate 13, and then drip into the smoke collecting chamber 200 through the lowest point of the second guide plate 13.

[0038] Optionally, a third guide plate 12 is further included, and the third guide plate 12 is arranged between the first guide plate 11 and the second guide plate 13. The third guide plate 12 is arranged on the lower side of the lower side plate 32, so that the third guide plate 12 is tightly attached to the lower side surface of the lower side plate 32, so that the oil stains on the lower side plate 32 can flow smoothly to the third guide plate 12, and then flow into the smoke collecting chamber 200 through the second guide plate 13.

[0039] Optionally, the front side of the first guide plate 11 is fitted with the rear side of the rear cover plate 33 so that the oil on the rear cover plate 33 can flow smoothly to the first guide plate 11. And / or the upper side of the third guide plate 12 is fitted with the lower side of the lower side plate 32 so that the oil on the lower side plate 32 can flow smoothly to the third guide plate 12.

[0040] Optionally, when the flap assembly 3 is in a state of opening the main air inlet 20 of the range hood, the vertical projection of the lower end of the first guide plate 11 is located on the second guide plate 13, so that the oil stains on the first guide plate 11 can drip onto the second guide plate 13, and then flow into the smoke collecting chamber 200 through the second guide plate 13.

[0041] Optionally, an oil guide hole 10 is provided at the connection between the first guide plate 11 and the third guide plate 12. When the flap assembly 3 is in a state of opening the main air inlet 20 of the range hood, the vertical projection of the oil guide hole 10 is located on the second guide plate 13. By providing the oil guide hole 10, the oil stains on the rear side of the rear cover plate and the oil stains on the first guide plate 11 can flow to the second guide plate 13 through the oil guide hole 10, and then flow to the smoke collecting chamber 200 through the second guide plate 13.

[0042] Optionally, the first guide plate 11, the second guide plate 13 and the third guide plate 12 are integrally formed to ensure the strength of the guide structure 1, while also allowing the oil to flow smoothly to the second guide plate 13, thereby preventing the oil from dripping into the outside of the smoke collecting chamber 200 through the gap between the first guide plate 11 and the third guide plate 12, or the gap between the third guide plate 12 and the second guide plate 13, causing the range hood to leak oil.

[0043] The utility model further provides a range hood, comprising a smoke collecting hood 2, a flap assembly 3 and the above-mentioned guide structure 1 of the range hood, wherein the smoke collecting hood 2 comprises a smoke collecting hood body 21, a smoke collecting chamber 200 having a main air inlet 20 on the front side thereof is formed in the smoke collecting hood body 21, the flap assembly 3 comprises a glass panel 31, a rear cover plate arranged at the upper part of the rear side of the glass panel 31 and a lower side plate 32 arranged at the lower side of the rear cover plate, the upper end of the glass panel 31 is connected to the smoke collecting hood 21, and the smoke collecting hood 200 is formed in the smoke collecting hood body 21, and the smoke collecting chamber 200 having a main air inlet 20 on the front side thereof is formed in the smoke collecting hood body 21, and the smoke collecting chamber 200 having a main air inlet 20 on the front side thereof is formed in the smoke collecting hood body 21, and the smoke collecting chamber 200 is formed in the smoke collecting hood body 21, and the smoke collecting chamber 200 is formed in the smoke collecting hood body 21, and the smoke collecting chamber 200 is formed in the smoke collecting hood body 21, and the smoke collecting chamber 200 is formed in the smoke collecting hood body 21, and the smoke collecting chamber 200 is formed in the smoke collecting chamber 20 ... The upper end of the smoke hood 2 is hinged to close and open the main air inlet 20. The glass panel 31, the rear cover plate and the lower side plate 32 enclose a cavity 30. The lower side plate 32 is provided with an auxiliary air inlet 301 connected to the cavity 30. The rear side of the rear cover plate 33 is provided with an auxiliary air outlet 302 connected to the cavity 30 and the smoke collecting cavity 200, so that part of the oil smoke can flow into the main smoke collecting cavity 200 through the auxiliary air inlet 301, the cavity 30 and the auxiliary air outlet 302. When the glass panel 31 is in a state of closing the main air inlet 20, the lower side plate 32 is tilted upward from front to back.

[0044] Optionally, the front end of the lower side plate 32 is further provided with a downwardly protruding guide protrusion 321. When the glass panel 31 is in a state of closing the main air inlet 20, the guide protrusion 321 is inclined upward from front to back, and the inclination angle of the guide protrusion 321 is greater than the inclination angle of the lower side plate 32, so that the oil on the lower side plate 32 can flow quickly and more thoroughly to the guide protrusion 32. The lowest point of the guide protrusion 321 is lower than the lowest point of the second guide plate 13, and the lowest point of the guide protrusion 321 is located in the smoke collecting chamber 200, so that when the glass panel 31 is in a state of closing the main air inlet 20, the oil can flow from back to front to the guide protrusion 321 through the lower side plate 32, and then drip into the smoke collecting chamber 200 through the lowest point of the guide protrusion 321.

[0045] Optionally, a crossbeam structure 5 is further included, and the crossbeam structure 5 is arranged in the smoke collecting chamber 200. An oil receiving groove 50 with an opening facing upward is provided on the crossbeam structure 5. An oil through hole connected to the bottom of the smoke collecting chamber 200 is provided in the oil receiving groove 50. When the glass panel 31 is in a state of closing the main air inlet 20, the lowest point of the guide protrusion 321 is located above the oil receiving groove 50. When the glass panel 31 is in a state of opening the main air inlet 20, the lowest point of the second guide plate 13 is located above the oil receiving groove 50. By providing the crossbeam structure 5, on the one hand, the strength of the smoke collecting hood 2 can be enhanced, and on the other hand, the oil stains flowing through the lowest point of the guide protrusion 321 and the oil stains flowing through the lowest point of the second guide plate 13 can be received, and then the received oil stains are diverted to the bottom of the smoke collecting chamber 200 through the oil through hole.

[0046] Optionally, an oil cup is also included, which is installed on the lower side of the smoke hood body 21. The lower side of the smoke hood body 21 is provided with an oil outlet hole connected to the oil cup, so that the oil at the bottom of the smoke collecting chamber 200 can flow into the oil cup through the oil outlet hole. The user can clean the oil in the range hood by regularly cleaning the oil cup.

[0047] Optionally, the flap assembly 3 further includes a driving structure, and the smoke hood 2 further includes a guide member 22 disposed in the smoke collecting chamber 200, the guide member 22 being tilted upward from front to back, the driving structure being installed on the rear side of the guide member 22, and an oil passage 100 being formed between the guide member 22 and the smoke collecting chamber body 21, the oil passage hole being connected to the oil passage 100, and the oil outlet hole being disposed at the bottom side of the oil passage 100. Specifically, the oil in the oil receiving groove 50 flows into the oil passage 100 through the oil passage hole, and then flows to the oil outlet hole disposed at the bottom side of the oil passage 100 through the oil passage 100, and then flows out into the oil cup, so as to prevent the oil net in the oil receiving groove 50 from dripping through the oil passage hole and splashing out of the smoke collecting chamber 200. At the same time, by providing the guide member 22, part of the oil smoke can be blocked for the driving structure, so as to prevent a large amount of oil from adhering to the driving structure.

[0048] Furthermore, the driving structure includes a motor and a transmission arm assembly installed at the output end of the motor, and the transmission arm assembly extends into the cavity 30 and is connected to the glass panel 31 .

[0049] Optionally, a bellows assembly 4 is further included, and the bellows assembly 4 is installed on the upper side of the smoke collecting hood 2 .

[0050] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A flow guide structure for a range hood, characterized in that: The flow guiding structure comprises: A first guide plate (11) is mounted on the rear side of a rear cover plate (33) of a flap assembly (3) of the range hood; The second guide plate (13) is arranged on the lower side of the first guide plate (11) and is connected to or abuts against the rear end of the lower side plate (32) of the flap assembly (3). When the flap assembly (3) is in a state of opening the main air inlet (20) of the range hood, the lower side plate (32) and the second guide plate (13) are both arranged to tilt downward from front to back, and the tilt angle of the second guide plate (13) is greater than the tilt angle of the lower side plate (32). The lowest point of the second guide plate (13) is lower than the lower side plate (32), and the lowest point of the second guide plate (13) is located in the smoke collecting chamber (200) of the range hood.

2. The flow guide structure of the range hood according to claim 1, characterized in that: It also comprises a third guide plate (12), wherein the third guide plate (12) is arranged between the first guide plate (11) and the second guide plate (13), and the third guide plate (12) is arranged on the lower side of the lower side plate (32).

3. The flow guide structure of the range hood according to claim 2, characterized in that: The front side surface of the first guide plate (11) is arranged in close contact with the rear side surface of the rear cover plate (33); and / or the upper side surface of the third guide plate (12) is arranged in close contact with the lower side surface of the lower side plate (32).

4. The flow guide structure of the range hood according to claim 2, characterized in that: When the flap assembly (3) is in a state of opening the main air inlet (20) of the range hood, the vertical projection of the lower end of the first guide plate (11) is located on the second guide plate (13).

5. The flow guide structure of the range hood according to claim 4, characterized in that: An oil guide hole (10) is provided at the connection between the first guide plate (11) and the third guide plate (12); when the flap assembly (3) is in a state of opening the main air inlet (20) of the range hood, the vertical projection of the oil guide hole (10) is located on the second guide plate (13).

6. The flow guiding structure according to claim 2, characterized in that: The first guide plate (11), the second guide plate (13) and the third guide plate (12) are integrally formed.

7. A range hood, characterized in that: The invention comprises a smoke collecting hood (2), a flap assembly (3) and a flow guide structure (1) for a range hood according to any one of claims 1 to 6, wherein the smoke collecting hood (2) comprises a smoke collecting hood body (21), a smoke collecting chamber (200) having a main air inlet (20) on the front side thereof is formed in the smoke collecting hood body (21), the flap assembly (3) comprises a glass panel (31), a rear cover plate (33) arranged at the upper part of the rear side of the glass panel (31), and a lower side plate (32) arranged at the lower side of the rear cover plate (33), the upper end of the glass panel (31) and the upper end of the smoke collecting hood (2) are connected to each other. The main air inlet (20) is hinged and used for closing and opening the main air inlet (20). The glass panel (31), the rear cover plate (33) and the lower side plate (32) enclose a cavity (30). The lower side plate (32) is provided with an auxiliary air inlet (301) connected to the cavity (30). The rear side of the rear cover plate (33) is provided with an auxiliary air outlet (302) connected to the cavity (30) and the smoke collecting chamber (200). When the glass panel (31) is in a state of closing the main air inlet (20), the lower side plate (32) is tilted upward from front to back.

8. The range hood according to claim 7, characterized in that: The front end of the lower side plate (32) is also provided with a downwardly protruding guide protrusion (321); when the glass panel (31) is in a state of closing the main air inlet (20), the guide protrusion (321) is arranged to be inclined upward from front to back; the inclination angle of the guide protrusion (321) is greater than the inclination angle of the lower side plate (32); the lowest point of the guide protrusion (321) is lower than the lowest point of the second guide plate (13); and the lowest point of the guide protrusion (321) is located in the smoke collecting chamber (200).

9. The range hood according to claim 8, characterized in that: It also comprises a crossbeam structure (5), the crossbeam structure (5) being arranged in the smoke collecting chamber (200), the crossbeam structure (5) being provided with an oil receiving groove (50) opening upward, the oil receiving groove (50) being provided with an oil through hole communicating with the bottom of the smoke collecting chamber (200), when the glass panel (31) is in a state of closing the main air inlet (20), the lowest point of the guide protrusion (321) is located above the oil receiving groove (50), and when the glass panel (31) is in a state of opening the main air inlet (20), the lowest point of the second guide plate (13) is located above the oil receiving groove (50).

10. The range hood according to claim 9, characterized in that: It also comprises an oil cup, which is mounted on the lower side of the smoke hood body (21); and an oil outlet hole communicating with the oil cup is provided on the lower side of the smoke hood body (21).

11. The range hood according to claim 10, characterized in that: The flap assembly (3) also includes a driving structure, and the smoke hood (2) also includes a guide member (22) arranged in the smoke collecting chamber (200), the guide member (22) is arranged to be inclined upward from front to back, and the driving structure is installed on the rear side of the guide member (22), and an oil passage (100) is also formed between the guide member (22) and the smoke hood body (21), the oil passage hole is connected to the oil passage (100), and the oil outlet hole is arranged on the bottom side of the oil passage (100).

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