Range hood

Abstract

The utility model discloses a range hood. The range hood comprises an exhaust fume collecting hood, the exhaust fume collecting hood comprises an exhaust fume collecting hood body, a main exhaust fume collecting cavity with a main air inlet in the front side is formed in the exhaust fume collecting hood body, and a main air outlet is formed in the upper side of the main exhaust fume collecting cavity; the upper end of the turning plate assembly is movably connected with the exhaust fume collecting hood body, and the turning plate assembly can swing relative to the exhaust fume collecting hood body so as to close and open the main air inlet; the air bellow assembly is mounted on the upper side of the exhaust fume collecting hood body and communicates with the main air outlet; the flow guide assembly comprises a first flow guide structure, a second flow guide structure, a third flow guide structure, a fourth flow guide structure, a fifth flow guide structure and a sixth flow guide structure, the upper portion of the first flow guide structure is installed on the inner wall of the front side of the air bellow assembly, and the second flow guide structure is installed between the air bellow assembly and the exhaust fume collecting hood body; the lower part of the first flow guide structure is connected with the second flow guide structure, and the third flow guide structure is mounted in the main smoke collection cavity.

Description

Technical Field

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

[0002] The existing wall-embedded range hoods have unreasonable internal oil circuit layout and complicated structure, which may easily lead to frequent oil and water leakage of the range hood, affecting the user experience.

[0003] Therefore, there is an urgent need for a range hood 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 range hood, which provides a guide assembly to smoothly guide the oil and water on the flap assembly and the bellows assembly into the main smoke collecting chamber, thereby preventing the oil and water from leaking out of the range hood.

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

[0006] A range hood, comprising:

[0007] The smoke collecting hood comprises a smoke collecting hood body, wherein a main smoke collecting cavity with a main air inlet at the front side is formed in the smoke collecting hood body, and a main air outlet is arranged at the upper side of the main smoke collecting cavity;

[0008] A flap assembly, the upper end of which is movably connected to the smoke hood body, and the flap assembly can swing relative to the smoke hood body to close and open the main air inlet;

[0009] A wind box assembly, mounted on the upper side of the smoke hood body and connected to the main air outlet;

[0010] The guide assembly comprises a first guide structure, a second guide structure, a third guide structure, a fourth guide structure, a fifth guide structure and a sixth guide structure, wherein the upper portion of the first guide structure is mounted on the inner wall of the front side of the bellows assembly, the second guide structure is mounted between the bellows assembly and the smoke collecting hood body, and is used to guide the oil and water on the inner wall of the bellows assembly to the rear of the main smoke collecting chamber, the lower portion of the first guide structure is connected to the second guide structure, the third guide structure is mounted in the main smoke collecting chamber, and is used to guide the oil and water on the inner wall of the bellows assembly to the rear of the main smoke collecting chamber. The oil and water on the rear side of the flap assembly are diverted into the main smoke collecting chamber. The fourth diversion structure is installed on the rear side of the flap assembly, and is used to divert the oil and water on the flap assembly into the third diversion structure. The fifth diversion structure is installed in the smoke hood body and is located below the second diversion structure, and is used to divert the oil and water flowing out of the second diversion structure to the inner wall of the smoke hood body. The sixth diversion structure is installed in the main smoke collecting chamber, and an oil passage is formed between the rear side of the sixth diversion structure and the smoke hood body.

[0011] Optionally, the bellows assembly includes a bellows enclosure and a guide bottom plate arranged on the lower front side of the bellows enclosure, the bellows enclosure and the guide bottom plate enclose a wind cavity, the guide bottom plate is inclined downward from front to back, the bellows enclosure and the bottom of the guide bottom plate are both installed on the upper side of the smoke hood body, the first guide structure includes a first guide portion, a guide flange and a first mounting portion that are connected to each other, the first guide portion is attached to the inner side wall of the lower portion of the guide bottom plate, the guide flange is arranged on the upper portion of the first guide portion and is inclined from the middle to the left two ends in a direction close to the second guide structure, the bottom of the first guide portion is located above the second guide structure, and the first mounting portion is installed on the guide bottom plate and / or the second guide structure.

[0012] Optionally, the second flow guiding structure is located below the first flow guiding structure, the second flow guiding structure is provided with a first oil receiving groove with an upward opening, the first oil receiving groove is tilted downward from front to back, and a first oil outlet is provided on the rear side of the first oil receiving groove.

[0013] Optionally, the third flow guide structure includes a beam body, a second oil collecting groove with an upward opening is provided on the beam body, a second oil outlet hole is provided at the bottom of the second oil collecting groove, and a second flow guide portion is provided on the lower side of the beam body, and the second flow guide portion is inclined downward from front to back.

[0014] Optionally, a third oil outlet hole is formed at the left end and / or the right end of the second oil receiving groove, and the second oil outlet hole and the third oil outlet hole are both connected to the oil passage.

[0015] Optionally, the flap assembly includes a panel body, a rear cover plate arranged on the rear side of the panel body, and a lower side plate arranged on the lower side of the rear cover plate, the panel body, 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, and the rear side of the rear cover plate is provided with an auxiliary air outlet connected to the cavity, when the flap assembly is in a state of closing the main air inlet, the lower side plate is inclined upward from front to back, and the lowest point of the lower side plate is located above the third air guide structure, and when the flap assembly is in a state of opening the main air inlet, the lower side plate is inclined downward from front to back, and the lowest point of the lower side plate is located above the third air guide structure.

[0016] Optionally, the fourth flow guiding structure includes:

[0017] A first deflector plate, mounted on the rear side of the rear cover plate;

[0018] 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. When the flap assembly is in a state of opening the main air inlet of the range hood, the second guide plate is 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 main smoke collecting chamber.

[0019] 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. A fourth oil outlet hole is opened 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, the vertical projection of the fourth oil outlet hole is located on the second guide plate.

[0020] Optionally, the front end of the lower side panel is also provided with a guide protrusion protruding downward. When the flap assembly 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 located in the main smoke collecting chamber.

[0021] Optionally, a cover plate is further included, which is arranged in the cavity, the cover plate is connected to the inner side of the lower side plate and covers the auxiliary air inlet, an auxiliary smoke collecting chamber is formed between the cover plate and the lower side plate, and the auxiliary smoke collecting chamber is connected to the auxiliary air inlet and the auxiliary air outlet.

[0022] Optionally, the cover plate includes:

[0023] A cover plate body, mounted on the inner side of the lower side plate and covering the auxiliary air inlet;

[0024] The third air guide portion is arranged at the rear side of the cover plate body and extends from the upper side of the auxiliary air outlet to the main smoke collecting chamber. The third air guide portion is arranged to be inclined downward from top to bottom.

[0025] Optionally, the fifth flow guiding structure includes:

[0026] A second mounting portion is mounted on the inner side wall of the smoke hood body;

[0027] The fourth guide portion is mounted on the second mounting portion and is located at the lower side of the first oil outlet hole of the second guide structure. The fourth guide portion is tilted downward from front to back.

[0028] Optionally, a barrier portion is further included, and one barrier portion is provided on the left and right sides of the fourth guide portion, and a liquid guiding gap is provided between the barrier portion and the lower end of the fourth guide portion.

[0029] Optionally, the sixth flow guiding structure includes:

[0030] a fourth guide plate, the lower end of which is arranged at the lower end of the main air inlet, the upper end of which extends upwardly and obliquely from front to rear to below the rear end of the main air outlet, and the main air outlet is arranged above the middle part of the fourth guide plate;

[0031] A fifth guide plate, wherein the fifth guide plate is arranged at the left end of the fourth guide plate, the front end of the fifth guide plate is connected to the left end of the main air inlet, the rear end of the fifth guide plate extends from front to back toward the rear end of the main air outlet, and extends from left to right toward the middle of the fourth guide plate, and / or the fifth guide plate is arranged at the right end of the fourth guide plate, the front end of the fifth guide plate is connected to the right end of the main air inlet, the rear end of the fifth guide plate extends from front to back toward the rear end of the main air outlet, and extends from right to left toward the middle of the fourth guide plate.

[0032] Optionally, a protruding profile protruding forward is further provided in the middle portion of the fourth guide plate, and the rear side of the protrusion forms a accommodating cavity for accommodating the driving structure of the flap assembly. A fifth guide portion is provided at the rear end of the fourth guide plate, and the fifth guide portion is inclined downward from front to rear and is located below the rear end of the second guide structure.

[0033] Optionally, it also includes an oil cup, the smoke hood body includes a smoke hood enclosure and a smoke hood bottom plate arranged on the bottom side of the smoke hood enclosure, the front side of the smoke hood bottom plate is provided with an oil baffle flange extending upward, the oil cup is installed on the lower side of the smoke hood bottom plate, and a fifth oil outlet hole connected to the oil cup is opened on the smoke hood bottom plate.

[0034] Compared with the prior art, the utility model has at least the following beneficial effects:

[0035] The range hood provided by the utility model is provided with a flow guide component to smoothly guide the oil and water on the flap component and the bellows component into the main smoke collecting chamber, thereby achieving the effect of preventing the oil and water from leaking out of the range hood. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] 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);

[0037] Figure 2 yes Figure 1 Exploded diagram of

[0038] Figure 3 yes Figure 1 Right view of;

[0039] Figure 4 yes Figure 3 Sectional view at AA in the middle;

[0040] Figure 5 It is a schematic diagram of the three-dimensional structure of the first air guide structure of the range hood provided by a specific embodiment of the utility model;

[0041] Figure 6 yes Figure 1 A top view of

[0042] Figure 7 yes Figure 6 Sectional view at the middle BB;

[0043] Figure 8 yes Figure 7 Enlarged view of G2 in the middle;

[0044] Fig. 9 yes Figure 6 Sectional view at DD in the middle;

[0045] Fig.10 yes Figure 6 Sectional view at CC;

[0046] Fig.11 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);

[0047] Fig.12 yes Fig.11 Sectional view at EE;

[0048] Fig.13 yes Fig.12 A magnified image of G3 in the middle;

[0049] Fig.14 yes Fig.12 A magnified image of G4 in the middle;

[0050] Fig.15 It is a schematic diagram of the three-dimensional structure of the third air guide structure of the range hood provided by the specific embodiment of the utility model;

[0051] Fig.16 yes Fig.15 Right view of;

[0052] Fig.17 It is a three-dimensional assembly diagram of a smoke collecting hood, a third flow guiding structure, a sixth flow guiding structure, and a driving structure of a range hood provided by a specific embodiment of the utility model;

[0053] Fig.18 yes Fig.17 Enlarged view of G1 in the middle;

[0054] Fig.19 yes Fig.17 A top view of

[0055] Fig. 20 yes Fig.19 Cross-sectional view at FF;

[0056] Fig.21 It is a schematic diagram of the three-dimensional structure of the fourth air guide structure of the range hood provided by a specific embodiment of the utility model;

[0057] Fig. 22 It is a three-dimensional structural schematic diagram of the fifth air guide structure of the range hood provided in a specific embodiment of the utility model.

[0058] In the figure:

[0059] 11. first flow guiding structure; 111. first flow guiding portion; 112. flow guiding flange; 113. first mounting portion;

[0060] 12. second flow guide structure; 121. first oil receiving groove; 120. first oil outlet hole;

[0061] 13. third flow guide structure; 130. second oil receiving groove; 131. cross beam body; 1311. sixth flow guide portion; 132. second oil outlet hole; 133. third oil outlet hole; 134. second flow guide portion;

[0062] 14. fourth guide structure; 141. first guide plate; 142. third guide plate; 143. second guide plate; 140. fourth oil outlet;

[0063] 15. fifth flow guiding structure; 151. second mounting portion; 152. fourth flow guiding portion; 153. baffle portion; 150. liquid guiding notch;

[0064] 16. sixth guide structure; 161. fourth guide plate; 1611. profile; 1612. fifth guide portion; 1610. accommodating cavity; 162. fifth guide plate;

[0065] 2. Smoke hood; 21. Smoke hood body; 211. Fifth oil outlet; 212. Oil retaining flange; 213. Smoke hood enclosure; 2131. First raised liquid guide portion; 214. Smoke hood bottom plate; 20. Main air inlet; 200. Main smoke collecting cavity; 101. Main air outlet; 100. Oil passage;

[0066] 3. flap assembly; 31. panel body; 32. rear cover plate; 321. second convex liquid guide portion; 33. lower side plate; 331. guide convex portion; 34. cover plate; 341. cover plate body; 342. third guide portion; 35. drive structure; 301. auxiliary air inlet; 302. auxiliary air outlet; 30. cavity; 300. auxiliary smoke collecting cavity;

[0067] 4. Bellows assembly; 41. Bellows enclosure; 42. Guide bottom plate; 43. Fan;

[0068] 5. Oil cup;

[0069] 6. Control panel;

[0070] 7. Lighting. DETAILED DESCRIPTION

[0071] 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.

[0072] Please refer to Figure 1-Figure 22The utility model provides a range hood, comprising a smoke hood 2, a flap assembly 3, a bellows assembly 4 and a guide assembly. The smoke hood 2 comprises a smoke hood body 21, a main smoke collecting chamber 200 having a main air inlet 20 on the front side is formed in the smoke hood body 21, and a main air outlet 101 is arranged on the upper side of the main smoke collecting chamber 200. The upper end of the flap assembly 3 is movably connected to the smoke hood body 21, and the flap assembly 3 can swing relative to the smoke hood body 21 to close and open the main air inlet 20. The bellows assembly 4 is mounted on the upper side of the smoke hood body 21 and is connected to the main air outlet 101. The flow guide assembly includes a first flow guide structure 11, a second flow guide structure 12, a third flow guide structure 13, a fourth flow guide structure 14, a fifth flow guide structure 15 and a sixth flow guide structure 16. The upper part of the first flow guide structure 11 is installed on the inner wall of the front side of the wind box assembly 4, and the second flow guide structure 12 is installed between the wind box assembly 4 and the smoke hood body 21, and is used to guide the oil and water on the inner wall of the wind box assembly 4 to the rear of the main smoke collecting chamber 200. The lower part of the first flow guide structure 11 is connected to the second flow guide structure 12, and the third flow guide structure 13 is installed in the main smoke collecting chamber 200, and is used to guide the oil and water on the inner wall of the wind box assembly 4 to the rear of the main smoke collecting chamber 200. In order to guide the oil and water on the rear side of the flap assembly 3 to the main smoke collecting chamber 200, the fourth guide structure 14 is installed on the rear side of the flap assembly 3, and is used to guide the oil and water on the flap assembly 3 to the third guide structure 13. The fifth guide structure 15 is installed in the smoke hood body 21 and is located below the second guide structure 12, and is used to guide the oil and water flowing out of the second guide structure 12 to the inner wall of the smoke hood body 21. The sixth guide structure 16 is installed in the main smoke collecting chamber 200, and an oil passage 100 is formed between the rear side of the sixth guide structure 16 and the smoke hood body 21.

[0073] The range hood provided by the utility model is provided with a flow guide assembly to smoothly guide the oil and water on the flap assembly 3 and the bellows assembly 4 into the main smoke collecting chamber 200, thereby preventing the oil and water from leaking out of the range hood.

[0074] Optionally, an oil cup 5 is further included. The smoke hood body 21 includes a smoke hood enclosure 213 and a smoke hood bottom plate 214 arranged on the bottom side of the smoke hood enclosure 213. The oil cup 5 is installed on the lower side of the smoke hood bottom plate 214. A fifth oil outlet 211 connected to the oil cup 5 is opened on the smoke hood bottom plate 214.

[0075] Optionally, an oil-blocking flange 212 extending upward is provided on the front side of the smoke hood bottom plate 214 to prevent oil and water on the smoke hood bottom plate 214 from flowing out through the main air inlet 20 .

[0076] Optionally, the bellows assembly 4 includes a bellows enclosure 41 and a guide bottom plate 42 arranged on the lower front side of the bellows enclosure 41, the bellows enclosure 41 and the guide bottom plate 42 enclose a wind cavity, the guide bottom plate 42 is inclined downward from front to back, the bellows enclosure 41 and the bottom of the guide bottom plate 42 are both installed on the upper side of the smoke hood body 21, the first guide structure 11 includes a first guide portion 111, a guide flange 112 and a first mounting portion 113 that are interconnected, the first guide portion 111 is attached to the inner side wall of the lower portion of the guide bottom plate 42, the guide flange 112 is arranged on the upper portion of the first guide portion 111 and is inclined from the middle to the left two ends toward the direction close to the second guide structure 12, the bottom of the first guide portion 111 is located above the second guide structure 12, and is installed on the guide bottom plate 42 and / or the second guide structure 12 from the first mounting portion 113. Specifically, the oil and water on the front side of the bellows enclosure 41 can flow smoothly to the first guide structure 11 through the guide bottom plate 42 , and then flow along the guide flange 112 to the left and right ends of the second guide structure 12 , and enter and fall into the second guide structure 12 .

[0077] Specifically, the oil and water on the guide bottom plate 42 flow along Figure 4 The air flows in the direction indicated by the middle arrow H1 to the left and right ends of the second air guiding structure 12 .

[0078] Optionally, the second flow guiding structure 12 is located below the first flow guiding structure 11, and a first oil receiving groove 121 with an upward opening is provided on the second flow guiding structure 12, the first oil receiving groove 121 is tilted downward from front to back, and a first oil outlet hole 120 is provided at the rear side of the first oil receiving groove 121. The first oil receiving groove 121 is used to receive the oil and water flowing down from the first flow guiding structure 11, the oil and water flowing down from the left side, the right side and the rear side of the wind box enclosure 41, and also the oil and water flowing down from the fan 43 installed in the wind cavity. The first oil receiving groove 121 is tilted downward from front to back so that the oil and water in the first oil receiving groove 121 can flow to the rear end of the first oil receiving groove 121, and then flow out to the rear wall of the main smoke collecting chamber 200 through the first oil outlet hole 120 set on the rear side of the first oil receiving groove 121, and then flow down along the rear wall of the smoke collecting chamber to the bottom of the main smoke collecting chamber 200, and then flow into the oil cup 5 installed on the lower side of the smoke collecting chamber.

[0079] Specifically, the oil and water in the first oil receiving groove 121 flow along Figure 7 Flows in the direction indicated by the arrow H0.

[0080] Optionally, the third guide structure 13 includes a beam body 131, a second oil collecting groove 130 with an upward opening is opened on the beam body 131, a second oil outlet hole 132 is opened at the bottom of the second oil collecting groove 130, and a second guide portion 134 is arranged on the lower side of the beam body 131. The second guide portion 134 is inclined downward from front to back, so as to guide the oil and water on the front side of the beam body 131 to the rear side, and then drip into the main smoke collecting chamber 200, so as to prevent oil and water from dripping on the front side of the beam body 131, thereby causing part of the oil and water to pop out of the main smoke collecting chamber 200 to the outside of the range hood, causing the range hood to drip oil, thereby improving the user experience.

[0081] Optionally, a third oil outlet hole 133 is provided at the left end and / or the right end of the second oil receiving groove 130, so as to avoid the problem of oil and water in the second oil receiving groove 130 accumulating and deviating to one side due to the non-parallel installation of the range hood, and leaking from the end surface of the crossbeam body 131 to the side wall of the main smoke collecting chamber 200, causing oil leakage in the range hood. The second oil outlet hole 132 and the third oil outlet hole 133 are both connected to the oil passage 100, so that the oil and water dripping from the second oil receiving groove 130 can fall into the oil passage 100, and the sixth guide structure 16 blocks the dripping oil and water to prevent the oil and water from splashing out of the range hood from the main smoke collecting chamber 200.

[0082] Optionally, a sixth guide portion 1311 extending toward the rear end of the cross beam body 131 is provided at the top end of the front side plate of the cross beam body 131, the sixth guide portion 1311 is tilted downward from front to rear, and the rear end of the sixth guide portion 1311 is located in the second oil receiving groove 130. The sixth guide portion 1311 is used to guide the oil and water dripping from the flap assembly 3 of the range hood so that the oil and water can smoothly fall into the second oil receiving groove 130.

[0083] Optionally, the second oil outlet hole 132 is disposed in the middle of the second oil receiving groove 130 to quickly drain the oil and water in the middle of the second oil receiving groove 130 to the bottom of the main smoke collecting chamber 200 .

[0084] Optionally, a first mounting hole is provided in the middle of the second oil collecting groove 130 to fix the middle of the beam body 131 on the sixth guide structure 16, and second mounting holes are provided at both ends of the beam body 131 to fix the two ends of the beam body 131 on the inner wall of the smoke hood body 21, thereby realizing the stable installation of the beam body 131 in the main smoke collecting chamber 200.

[0085] Optionally, the flap assembly 3 includes a panel body 31, a rear cover plate 32 arranged at the rear side of the panel body 31, and a lower side plate 33 arranged at the lower side of the rear cover plate 32. The panel body 31, the rear cover plate 32 and the lower side plate 33 enclose a cavity 30. The lower side plate 33 is provided with an auxiliary air inlet 301 connected to the cavity 30, and the rear side of the rear cover plate 32 is provided with an auxiliary air outlet 302 connected to the cavity 30. When the flap assembly 3 is in a state of closing the main air inlet 20, the lower side plate 33 is provided with an auxiliary air inlet 301 connected to the cavity 30. The plate 33 is tilted upward from front to back, and the lowest point of the lower side plate 33 is located above the second oil collecting groove 130, so that the oil and water on the lower side plate 33 can drip into the second oil collecting groove 130. When the flap assembly 3 is in the state of opening the main air inlet 20, the lower side plate 33 is tilted downward from front to back, and the lowest point of the lower side plate 33 is located above the second oil collecting groove 130, so that the oil and water on the lower side plate 33 and the rear cover plate 32 can drip into the second oil collecting groove 130.

[0086] Optionally, the fourth guide structure 14 includes a first guide plate 141 and a second guide plate 143. The first guide plate 141 is installed on the rear side of the rear cover plate 32. The second guide plate 143 is arranged on the lower side of the first guide plate 141 and is connected or abutted with the rear end of the lower side plate 33. When the flap assembly 3 is in the state of opening the main air inlet 20 of the range hood, the second guide plate 143 is tilted downward from front to back, and the tilt angle of the second guide plate 143 is greater than the tilt angle of the lower side plate 33. The lowest point of the second guide plate 143 is set lower than the lower side plate 33, and the lowest point of the second guide plate 143 is located in the main smoke collecting chamber 200, so that the oil and water on the lower side plate 33 can quickly flow to the second guide plate 143, and then drip into the second oil receiving groove 130 through the lowest point of the second guide plate 143.

[0087] Optionally, a third guide plate 142 is further included, and the third guide plate 142 is arranged between the first guide plate 141 and the second guide plate 143. The third guide plate 142 is arranged on the lower side of the lower side plate 33, so that the third guide plate 142 is tightly attached to the lower side surface of the lower side plate 33, so that the oil and water on the lower side plate 33 can flow smoothly to the third guide plate 142, and then flow to the second oil receiving trough 130 through the second guide plate 143. A fourth oil outlet hole 140 is provided at the connection between the first guide plate 141 and the third guide plate 142. When the flap assembly 3 is in a state of opening the main air inlet 20, the vertical projection of the fourth oil outlet hole 140 is located on the second guide plate 143, so that the oil and water on the rear side of the rear cover plate 32 and the oil and water on the first guide plate 141 can flow through the fourth oil outlet hole 140 to the second guide plate 143, and then flow through the second guide plate 143 to the second oil collecting trough 130.

[0088] Specifically, when the flap assembly 3 is in the state of opening the main air inlet 20, the oil and water on the rear side of the rear cover plate 32 flows along the Figure 8 The oil and water on the lower plate 33 flows in the direction indicated by the middle arrow H6 to the second oil receiving groove 130. Figure 8 The oil flows into the second oil receiving groove 130 in the direction indicated by the middle arrow H7.

[0089] Optionally, the first guide plate 141, the second guide plate 143 and the third guide plate 142 are integrally formed to ensure the strength of the fourth guide structure 14, while also enabling oil and water to flow smoothly to the second guide plate 143, thereby preventing oil and water from dripping from the gap between the first guide plate 141 and the third guide plate 142, or from the gap between the third guide plate 142 and the second guide plate 143 to the outside of the range hood, causing the range hood to leak oil.

[0090] Optionally, a downwardly protruding guide protrusion 331 is further provided at the front end of the lower side plate 33. When the flap assembly 3 is in a state of closing the main air inlet 20, the guide protrusion 331 is inclined upward from front to back. The inclination angle of the guide protrusion 331 is greater than the inclination angle of the lower side plate 33. The lowest point of the guide protrusion 331 is located in the main smoke collecting chamber 200 and above the second oil collecting groove 130, so that when the flap assembly 3 is in a state of closing the main air inlet 20, oil and water can flow from back to front to the guide protrusion 331 through the lower side plate 33, and then drip into the second oil collecting groove 130 through the lowest point of the guide protrusion 331.

[0091] Specifically, when the flap assembly 3 is in a state of closing the main air inlet 20, the oil and water on the lower side plate 33 flow along the Fig.13 The oil flows into the second oil receiving groove 130 in the direction indicated by the middle arrow H8.

[0092] Optionally, a second raised liquid guiding portion 321 is further provided on the rear side surface of the rear cover plate 32, and the second raised liquid guiding portion 321 is inclined from bottom to top so that the oil and water on the rear side surface of the rear cover plate 32 can gradually flow along the second raised liquid guiding portion 321 to the first smoke collecting guide plate 141.

[0093] Specifically, the oil and water on the rear side of the rear cover plate 32 flows along Fig. 9 Flows in the direction indicated by the arrow H2.

[0094] Optionally, a cover plate 34 is further included, which is arranged in the cavity 30, connected to the inner side of the lower side plate 33 and covered above the auxiliary air inlet 301, and an auxiliary smoke collecting chamber 300 is formed between the cover plate 34 and the lower side plate 33, and the auxiliary smoke collecting chamber 300 is connected to the auxiliary air inlet 301 and the auxiliary air outlet 302. The auxiliary air inlet 301 is arranged higher than the main air inlet 20, and most of the oil smoke will enter the main smoke collecting chamber 200 from the main air inlet 20 below, and part of the oil smoke will rise along the panel body 31 to the auxiliary air inlet 301, and then flow into the main smoke collecting chamber 200 through the auxiliary smoke collecting chamber 300 and the auxiliary air outlet 302, and then flow out from the main air outlet 101 to the building flue together with the oil smoke entering the main smoke collecting chamber 200 through the main air inlet 20. By providing the main air inlet 20 and the auxiliary smoke inlet, on the one hand, the smoke extraction effect can be improved and the escape of oil smoke can be reduced; on the other hand, due to the increase in the smoke intake area, the rotation speed of the fan 43 can be reduced, thereby achieving a noise reduction effect.

[0095] Optionally, two auxiliary air inlets 301 are provided, one auxiliary air inlet 301 is provided on the left side of the lower side plate 33, and the other auxiliary air inlet 301 is provided on the right side of the lower side plate 33. By providing two auxiliary air inlets 301, the air inlet area is increased.

[0096] Optionally, it further includes a lighting lamp 7 and a control panel 6. The lighting lamp 7 is installed on the lower side plate 33 and is located between the two auxiliary air inlets 301, so that the two auxiliary air inlets 301 can be respectively arranged corresponding to the two burners arranged below the range hood to improve the smoke extraction effect. The control panel 6 is arranged in the cavity 30 and connected to the rear side of the panel. The control panel is arranged in the cavity 30 so that the control panel 6 can avoid the flow path of oil smoke and prevent oil and water from entering the control panel 6 and affecting the control panel 6.

[0097] Optionally, the cover plate 34 includes a cover plate 34 body and a third air guide portion 342. The cover plate 34 body is installed on the inner side of the lower side plate 33 and covers the auxiliary air inlet 301. The third air guide portion 342 is arranged on the rear side of the cover plate 34 body and extends from the upper side of the auxiliary air outlet 302 to the main smoke collecting chamber 200. The third air guide portion 342 is tilted downward from top to bottom. On the one hand, it can enable the oil smoke to flow quickly into the main smoke collecting chamber 200 along the third air guide portion 342. On the other hand, it can also enable the oil and water adhered to the cover plate 34 body and the third air guide portion 342 to flow into the main smoke collecting chamber 200, avoiding the oil and water from being exposed and causing oil leakage in the range hood. On the other hand, part of the oil and water on the rear side of the rear cover plate 32 can also drip into the second oil receiving groove 130 through the third air guide portion 342.

[0098] Specifically, the oil and water on the lower side of the cover plate 34 and the lower side of the third guide portion 342 flow along Figure 8The oil and water on the rear side of the rear cover plate 32 flows along the direction indicated by the middle arrow H5 to the second oil receiving groove 130. Figure 8 The air flows in the direction indicated by the middle arrow H3 to the upper side of the third guide portion 342, and then flows along Figure 8 The oil flows into the second oil receiving groove 130 in the direction indicated by the middle arrow H4.

[0099] Optionally, the fifth guide structure 15 includes a second mounting portion 151 and a fourth guide portion 152. The second mounting portion 151 is mounted on the inner side wall of the rear side of the smoke hood enclosure 213. The fourth guide portion 152 is mounted on the second mounting portion 151 and is located at the lower side of the first oil outlet 120 of the second guide structure 12. The fourth guide portion 152 is tilted downward from front to back to receive the oil and water flowing out of the first oil outlet 120, so that the oil and water in the second guide structure 12 can flow to the inner side wall of the smoke hood body 21 through the fourth guide portion 152, and then flow along the inner side wall of the smoke hood body 21 to the bottom of the smoke hood body 21, and then flow out to the oil cup 5, thereby The invention solves the problem in the prior art that when the oil and water in the second guide structure 12 flows out from the first oil outlet 120, due to the large amount of oil and water, the oil and water hit the inner wall of the smoke hood body 21, and then splash out of the main smoke collecting chamber 200 to the outside of the range hood; or due to the small amount of oil and water, the oil and water flow back along the bottom side of the second guide structure 12, and then drip onto the sixth guide structure 16 arranged below the second guide structure 12, and splash out from the sixth guide structure 16 to the outside of the main smoke collecting chamber 200.

[0100] Specifically, when the amount of oil and water is large, the oil and water flow along Fig.14 The direction indicated by the middle arrow H9 splashes onto the fourth guide portion 152; when the amount of oil and water is small, the oil and water flow along Fig. 9 The water drips onto the fourth guide portion 152 in the direction indicated by the middle arrow H10 .

[0101] Optionally, a baffle 153 is further included, and a baffle 153 is provided on both the left and right sides of the fourth guide portion 152. This prevents the oil and water dripping onto the fourth guide portion 152 from splashing out from the left and / or right sides of the fourth guide portion 152, thereby achieving an oil blocking effect. A liquid guide notch 150 is provided between the baffle 153 and the lower end of the fourth guide portion 152, so that the oil and water on the fourth guide portion 152 can flow out to the inner side wall of the smoke hood body 21 through the liquid guide notch 150 on the left and / or right sides of the fourth guide portion 152.

[0102] Optionally, the second mounting portion 151, the fourth guide portion 152 and the barrier portion 153 are integrally formed, which can ensure the strength of the fifth guide structure 15 on the one hand, and prevent oil and water from overflowing through the gap between the fourth guide portion 152 and the barrier portion 153, or through the gap between the second mounting portion 151 and the fourth guide portion 152 on the other hand.

[0103] Optionally, a first raised liquid guiding portion 2131 that protrudes toward the center of the main smoke collecting chamber 200 is also provided on the inner wall of the rear side surface of the smoke hood enclosure 213. The first raised liquid guiding portion 2131 is arranged below the fifth guide structure 15 and is inclined from bottom to top so that the oil and water flowing out of the liquid guiding notch 150 can gradually flow along the first raised liquid guiding portion 2131 to the smoke hood bottom plate 214.

[0104] Optionally, at least two first protruding liquid guiding portions 2131 are provided, and the two first protruding liquid guiding portions 2131 are arranged at intervals to ensure the flow guiding effect.

[0105] Specifically, the oil and water flowing out of the liquid guide gap 150 are along Fig.10 The air flows in the direction indicated by the arrow H8 to the bottom plate 214 of the smoke collecting hood.

[0106] Optionally, the sixth air guide structure 16 includes a fourth air guide plate 161 and a fifth air guide plate 162. The lower end of the fourth air guide plate 161 is arranged at the lower end of the main air inlet 20, and the upper end of the fourth air guide plate 161 extends upwardly from front to back to below the rear end of the main air outlet 101, and the main air outlet 101 is arranged above the middle part of the fourth air guide plate 161. A fifth guide plate 162 is provided at the left end of the fourth guide plate 161, the front end of the fifth guide plate 162 is connected to the left end of the main air inlet 20, the rear end of the fifth guide plate 162 extends from front to back toward the rear end of the main air outlet 101, and extends from left to right toward the middle of the fourth guide plate 161, and / or a fifth guide plate 162 is provided at the right end of the fourth guide plate 161, the front end of the fifth guide plate 162 is connected to the right end of the main air inlet 20, the rear end of the fifth guide plate 162 extends from front to back toward the rear end of the main air outlet 101, and extends from right to left toward the middle of the fourth guide plate 161. The fourth guide plate 161 can guide most of the oil smoke under the range hood to the main air outlet 101, and the fifth guide plate 162 can guide the oil smoke on the left and / or right side of the range hood to the main air outlet 101, thereby reducing the escape of oil smoke. At the same time, the oil and water adhering to the fourth guide plate 161 and the fifth guide plate 162 can also flow along the inclined fourth guide plate 161 and the fifth guide plate 162 to the bottom plate 214 of the smoke collecting hood.

[0107] Optionally, a protruding profile 1611 protruding forward is further provided in the middle of the fourth guide plate 161, and a receiving cavity 1610 for accommodating the driving structure 35 of the flap assembly 3 is formed on the rear side of the protruding profile 1611, and the output end of the driving structure 35 extends into the cavity 30 and is connected to the panel body 31 to drive the panel assembly to swing and close and open the main air inlet 20. In this way, the fourth guide plate 161 also has the function of blocking most of the oil smoke for the driving structure 35, reducing the probability of oil smoke entering the driving structure 35 and causing the driving structure 35 to fail.

[0108] Specifically, the driving structure 35 includes a driving motor and a transmission arm. The driving motor is installed in the accommodating cavity 1610 and is installed on the pressing profile 1611 by screws. One end of the transmission arm is connected to the output end of the driving motor, and the other end extends into the cavity 30 and is connected to the panel body 31.

[0109] Optionally, the middle portion of the beam body 131 is mounted on the upper end of the profile 1611 .

[0110] Optionally, a fifth guide portion 1612 is provided at the rear end of the fourth guide plate 161, and the fifth guide portion 1612 is tilted downward from front to back and is located below the rear end of the second guide structure 12. When oil and water are accumulated on the lower side of the second guide structure 12, the oil and water on the lower side of the second guide structure 12 can drip onto the fifth guide portion 1612, and then flow into the oil passage 100 along the fifth guide portion 1612. Even if the oil and water on the lower side of the second guide structure 12 drip onto the fifth guide portion 1612 and splash, the splashed oil and water will only splash onto the smoke hood enclosure 213, thereby preventing the oil and water from splashing out of the main smoke collecting chamber 200.

[0111] 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 range hood, It is characterized in that include: A smoke collecting hood (2) comprises a smoke collecting hood body (21), wherein a main smoke collecting chamber (200) having a main air inlet (20) at the front side is formed in the smoke collecting hood body (21), and a main air outlet (101) is arranged at the upper side of the main smoke collecting chamber (200); A flap assembly (3), the upper end of which is movably connected to the smoke hood body (21), and the flap assembly (3) can swing relative to the smoke hood body (21) to close and open the main air inlet (20); A wind box assembly (4) mounted on the upper side of the smoke hood body (21) and connected to the main air outlet (101); A flow guide assembly, comprising a first flow guide structure (11), a second flow guide structure (12), a third flow guide structure (13), a fourth flow guide structure (14), a fifth flow guide structure (15) and a sixth flow guide structure (16), wherein the upper portion of the first flow guide structure (11) is mounted on the inner wall of the front side of the bellows assembly (4), the second flow guide structure (12) is mounted between the bellows assembly (4) and the smoke hood body (21) and is used to guide the oil and water on the inner wall of the bellows assembly (4) to the rear of the main smoke collecting chamber (200), the lower portion of the first flow guide structure (11) is connected to the second flow guide structure (12), the third flow guide structure (13) is mounted in the main smoke collecting chamber (200) and is used to guide the oil and water on the inner wall of the bellows assembly (4) to the rear of the main smoke collecting chamber (200), The oil and water on the rear side of the flap assembly (3) are guided into the main smoke collecting chamber (200); the fourth guide structure (14) is installed on the rear side of the flap assembly (3) and is used to guide the oil and water on the flap assembly (3) into the third guide structure (13); the fifth guide structure (15) is installed in the smoke collecting hood body (21) and is located below the second guide structure (12) and is used to guide the oil and water flowing out of the second guide structure (12) to the inner wall of the smoke collecting hood body (21); the sixth guide structure (16) is installed in the main smoke collecting chamber (200), and an oil passage (100) is formed between the rear side of the sixth guide structure (16) and the smoke collecting hood body (21).

2. The range hood according to claim 1, It is characterized in that The bellows assembly (4) comprises a bellows enclosure (41) and a guide bottom plate (42) arranged at the lower front side of the bellows enclosure (41); the bellows enclosure (41) and the guide bottom plate (42) are combined to form a wind cavity; the guide bottom plate (42) is arranged to be tilted downward from front to back; the bellows enclosure (41) and the bottom of the guide bottom plate (42) are both installed on the upper side of the smoke hood body (21); the first guide structure (11) comprises a first guide portion (111), a guide flange (112) and a first guide portion (111) connected to each other; The first flow guide portion (111) is attached to the inner side wall of the lower part of the flow guide bottom plate (42), the flow guide flange (112) is arranged on the upper part of the first flow guide portion (111) and is inclined from the middle to the left and right ends in a direction close to the second flow guide structure (12), the bottom of the first flow guide portion (111) is located above the second flow guide structure (12), and the first installation portion (113) is installed on the flow guide bottom plate (42) and / or the second flow guide structure (12).

3. The range hood according to claim 1, It is characterized in that The second flow guiding structure (12) is located below the first flow guiding structure (11); a first oil receiving groove (121) with an opening facing upward is provided on the second flow guiding structure (12); the first oil receiving groove (121) is tilted downward from front to back; a first oil outlet hole (120) is provided on the rear side of the first oil receiving groove (121).

4. The range hood according to claim 1, It is characterized in that The third flow guiding structure (13) comprises a cross beam body (131), a second oil receiving groove (130) with an opening facing upward is provided on the cross beam body (131), a second oil outlet hole (132) is provided at the bottom of the second oil receiving groove (130), and a second flow guiding portion (134) is provided on the lower side of the cross beam body (131), and the second flow guiding portion (134) is arranged to be inclined downward from front to rear.

5. The range hood according to claim 4, It is characterized in that A third oil outlet hole (133) is provided at the left end and / or the right end of the second oil receiving groove (130), and the second oil outlet hole (132) and the third oil outlet hole (133) are both in communication with the oil passage (100).

6. The range hood according to claim 1, It is characterized in that The flap assembly (3) comprises a panel body (31), a rear cover plate (32) arranged at the rear side of the panel body (31), and a lower side plate (33) arranged at the lower side of the rear cover plate (32); the panel body (31), the rear cover plate (32), and the lower side plate (33) enclose a cavity (30); the lower side plate (33) is provided with an auxiliary air inlet (301) communicating with the cavity (30); the rear side of the rear cover plate (32) is provided with a When the flap assembly (3) is in a state of closing the main air inlet (20), the lower side plate (33) is tilted upward from front to back, and the lowest point of the lower side plate (33) is located above the third air guide structure (13); when the flap assembly (3) is in a state of opening the main air inlet (20), the lower side plate (33) is tilted downward from front to back, and the lowest point of the lower side plate (33) is located above the third air guide structure (13).

7. The range hood according to claim 6, It is characterized in that The fourth flow guiding structure (14) comprises: A first deflector (141) mounted on the rear side of the rear cover plate (32); The second guide plate (143) is arranged on the lower side of the first guide plate (141) and is connected to or abuts against the rear end of the lower side plate (33). When the flap assembly (3) is in a state of opening the main air inlet (20) of the range hood, the second guide plate (143) is tilted downward from front to back, and the tilt angle of the second guide plate (143) is greater than the tilt angle of the lower side plate (33). The lowest point of the second guide plate (143) is lower than the lower side plate (33). The lowest point of the second guide plate (143) is located in the main smoke collecting chamber (200).

8. The range hood according to claim 7, It is characterized in that The invention also includes a third guide plate (142), wherein the third guide plate (142) is arranged between the first guide plate (141) and the second guide plate (143), and the third guide plate (142) is arranged on the lower side of the lower side plate (33). A fourth oil outlet hole (140) is provided at the connection between the first guide plate (141) and the third guide plate (142), and when the flap assembly (3) is in a state of opening the main air inlet (20), the vertical projection of the fourth oil outlet hole (140) is located on the second guide plate (143).

9. The range hood according to claim 6, It is characterized in that The front end of the lower side plate (33) is also provided with a downwardly protruding guide protrusion (331); when the flap assembly (3) is in a state of closing the main air inlet (20), the guide protrusion (331) is inclined upward from front to back; the inclination angle of the guide protrusion (331) is greater than the inclination angle of the lower side plate (33); and the lowest point of the guide protrusion (331) is located in the main smoke collecting chamber (200).

10. The range hood according to claim 6, It is characterized in that The invention also comprises a cover plate (34), wherein the cover plate (34) is arranged in the cavity (30), the cover plate (34) is connected to the inner side of the lower side plate (33) and covers the auxiliary air inlet (301), an auxiliary smoke collecting chamber (300) is formed between the cover plate (34) and the lower side plate (33), and the auxiliary smoke collecting chamber (300) is connected to the auxiliary air inlet (301) and the auxiliary air outlet (302).

11. The range hood according to claim 10, It is characterized in that The cover plate (34) comprises: A cover plate body (341) is installed on the inner side of the lower side plate (33) and covers the auxiliary air inlet (301); The third air guide portion (342) is arranged at the rear side of the cover plate body (341) and extends from the upper side of the auxiliary air outlet (302) to the main smoke collecting chamber (200). The third air guide portion (342) is arranged to be inclined downward from top to bottom.

12. The range hood according to claim 1, It is characterized in that The fifth flow guiding structure (15) comprises: A second mounting portion (151) is mounted on the inner side wall of the smoke hood body (21); A fourth guide portion (152) is mounted on the second mounting portion (151) and is located at the lower side of the first oil outlet hole (120) of the second guide structure (12); the fourth guide portion (152) is arranged to be inclined downward from front to back.

13. The range hood according to claim 12, It is characterized in that It also comprises a baffle (153), wherein a baffle (153) is provided on the left and right sides of the fourth flow guide (152), and a liquid guide gap (150) is provided between the baffle (153) and the lower end of the fourth flow guide (152).

14. The range hood according to claim 1, It is characterized in that The sixth flow guiding structure (16) comprises: a fourth guide plate (161), the lower end of which is arranged at the lower end of the main air inlet (20), the upper end of the fourth guide plate (161) extending upwardly and obliquely from front to rear to below the rear end of the main air outlet (101), and the main air outlet (101) is arranged above the middle part of the fourth guide plate (161); A fifth guide plate (162), wherein the fifth guide plate (162) is arranged at the left end of the fourth guide plate (161), the front end of the fifth guide plate (162) is connected to the left end of the main air inlet (20), and the rear end of the fifth guide plate (162) is extended from front to back in a direction close to the rear end of the main air outlet (101), and at the same time is extended from left to right in a direction close to the middle of the fourth guide plate (161), and / or the fifth guide plate (162) is arranged at the right end of the fourth guide plate (161), the front end of the fifth guide plate (162) is connected to the right end of the main air inlet (20), and the rear end of the fifth guide plate (162) is extended from front to back in a direction close to the rear end of the main air outlet (101), and at the same time is extended from right to left in a direction close to the middle of the fourth guide plate (161).

15. The range hood according to claim 14, It is characterized in that The fourth guide plate (161) is also provided with a protruding profile (1611) protruding forward in the middle, and the rear side of the protruding profile (1611) forms a receiving cavity (1610) for accommodating the driving structure (35) of the flap assembly (3). The rear end of the fourth guide plate (161) is provided with a fifth guide portion (1612), and the fifth guide portion (1612) is arranged to be inclined downward from front to back and is located below the rear end of the second guide structure (12).

16. The range hood according to any one of claims 1 to 15, It is characterized in that The smoke hood body (21) further comprises an oil cup (5), wherein the smoke hood body (21) comprises a smoke hood enclosure (213) and a smoke hood bottom plate (214) arranged at the bottom side of the smoke hood enclosure (213), the front side of the smoke hood bottom plate (214) is provided with an oil retaining flange (212) extending upward, the oil cup (5) is mounted on the lower side of the smoke hood bottom plate (214), and the smoke hood bottom plate (214) is provided with a fifth oil outlet (211) connected to the oil cup (5).

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