A kitchen range hood

Abstract

The present invention belongs to the technical field of range hoods, and in particular, relates to a kitchen range hood. Aiming at the problem that the heat of high-temperature oil droplets is conducted to the mesh cover, promoting the temperature rise of the mesh cover, reducing the condensation effect of oil droplets on the mesh cover, and increasing the escape probability of oil fumes, the following solutions are now proposed, including a box body. An exhaust pipe is fixedly connected to the outer wall of the top of the box body. A blower is fixedly connected to the top inner wall of the box body. A diversion cover is fixedly connected to the bottom of the box body. A plurality of collection mechanisms are arranged at the bottom inner wall of the diversion cover. In the present invention, through the plurality of collection mechanisms arranged on the outer wall of the diversion cover, the oil liquid in the inner wall of the diversion cover can be collected at multiple levels. By arranging the first oil collection plate, the oil liquid dripping in the box body can be collected. By arranging the water tank and using the circulation mechanism, the inner walls of the condensation mechanism and the dynamic collection mechanism in the diversion cover and the condensation area can have flowing water, so that the oil liquid after contact can be quickly condensed, ensuring the condensation and collection effect of the oil liquid.

Description

Technical Field

[0001] The present invention relates to the technical field of range hoods, and in particular to a kitchen range hood. Background Art

[0002] A range hood is a kitchen appliance for purifying the kitchen environment. The range hood can purify the harmful cooking fumes generated during the cooking process, providing protection for people's physical safety. Therefore, the application of range hoods is becoming more and more widespread. The range hood mainly consists of a housing, an air duct, a fan, a check valve, an oil collection and drainage device, a lighting device, a power switch, and a power cord, etc. The fan rotates to form a negative pressure area, and the air outside the range hood flows into the interior of the range hood under the action of the negative pressure, and the cooking fumes are separated inside the range hood, thereby achieving the purpose of purifying the air.

[0003] Currently, in order to protect the fan and separate the cooking fumes, an oil separation mesh cover is provided in front of the fan of the existing range hood, so that oil droplets condense on the mesh cover. During the process of sucking cooking fumes, the heat of the high-temperature oil droplets is conducted to the mesh cover, causing the mesh cover to heat up, reducing the condensation effect of the oil droplets on the mesh cover, increasing the escape probability of cooking fumes, and polluting the indoor and atmospheric environments. Therefore, it is very necessary to research a kitchen range hood with good fume extraction effect. Summary of the Invention

[0004] Based on the technical problem that the heat of the high-temperature oil droplets is conducted to the mesh cover, causing the mesh cover to heat up, reducing the condensation effect of the oil droplets on the mesh cover, and increasing the escape probability of cooking fumes, the present invention proposes a kitchen range hood.

[0005] A kitchen range hood proposed by the present invention includes a box body. An exhaust pipe is fixedly connected to the outer wall of the top of the box body. A fan is fixedly connected to the top inner wall of the box body. A diversion cover is fixedly connected to the bottom of the box body. A plurality of collection mechanisms are arranged at the bottom inner wall of the diversion cover. A plurality of connecting rods are fixedly connected to the inner wall of the diversion cover, and the other ends of the connecting rods are fixedly connected to a first oil collection plate. A plurality of drainage mechanisms are arranged on the outer wall of the first oil collection plate. A rotating shaft is rotatably connected to the top of the first oil collection plate. A motor is fixedly connected to the top of the rotating shaft. The rotating shaft is hollow, and a plurality of condensation mechanisms are arranged on the outer wall of the rotating shaft. A condensation area is arranged on the inner wall of the box body, and the condensation mechanisms are located in the condensation area. An absorption mechanism is arranged at the bottom of the fan. Dynamic collection mechanisms are arranged at both ends inside the condensation area. A water tank is fixedly connected to the outer wall of the box body, and a circulation mechanism is arranged on the outer wall of the water tank.

[0006] Preferably, the collection mechanism includes a collection plate and a metal plate. The collection plate is fixedly connected to the diversion cover. A cavity is formed in the inner wall of the diversion cover. The collection plate is hollow. Part of the collection plate is located inside the diversion cover. Sawtooth grooves are formed on the outer wall of the collection plate. The metal plate fits with the sawtooth grooves. A plurality of bolts are threadedly connected to the outer wall of the metal plate, and the bolts are threadedly connected to the collection plate.

[0007] Preferably, the drainage mechanism includes a drainage pipe and a second oil collection plate. A plurality of slots are formed in the outer wall of the first oil collection plate. The drainage pipe is fixedly connected to the inner wall of the slot. A plurality of limiting rods are fixedly connected to the inner wall of the drainage pipe. A movable rod is rotatably connected to the outer wall of the limiting rod. The bottom of the movable rod is fixedly connected to the second oil collection plate.

[0008] Preferably, the absorption mechanism includes a gas guide plate and a gas guide pipe. The gas guide plate is fixedly connected to the fan. The gas guide plate is fixedly connected to the inner wall of the box body. Filter plates are fixedly connected to both ends of the inner wall of the gas guide plate. Oil absorption materials are arranged on the inner walls of the filter plates. The gas guide pipe is fixedly connected to both ends of the outer wall of the bottom of the gas guide plate. An air suction hood is fixedly connected to the bottom of the gas guide pipe. The air suction hood is located in the condensation area. The motor is fixedly connected to the gas guide plate. A protective box is fixedly connected to the outer wall of the motor.

[0009] Preferably, the circulation mechanism includes a first water pump and a second water pump. A liquid inlet pipe is fixedly connected to the outer wall of the top of the water tank. A liquid outlet pipe is fixedly connected to the outer wall of one end of the water tank. The rotating shaft and the connecting rod are hollow. The first oil collection plate is provided with a liquid guide cavity. The bottom of the rotating shaft is located in the liquid guide cavity. A second liquid guide hose is fixedly connected to the top of the diversion cover. The other end of the second liquid guide hose is fixedly connected to the second water pump. The second water pump is fixedly connected to the outer wall of the box body. A first liquid guide hose is fixedly connected to the top of the second water pump. The top of the first liquid guide hose is fixedly connected to the water tank. A transfer box is rotatably connected to the outer wall of the rotating shaft. Second liquid guide pipes are fixedly connected to both ends of the outer wall of the transfer box. The second liquid guide pipes are fixedly connected to the first water pump. The first water pump is fixedly connected to the box body. The other end of the first water pump is fixedly connected to a first liquid guide pipe. The bottom of the first liquid guide pipe is fixedly connected to the water tank. A liquid leakage plate is fixedly connected to the outer wall of the rotating shaft. The liquid leakage plate is located inside the transfer box. A partition plate is arranged at the top of the second liquid guide hose. The partition plate is fixedly connected to the inner wall of the box body.

[0010] Preferably, the condensation mechanism includes a connecting plate and a processing plate. A plurality of springs are fixedly connected to the outer wall of the rotating shaft, and the other ends of the springs are fixedly connected to the processing plate. A third liquid guide hose is fixedly connected between the processing plate and the rotating shaft, and the third liquid guide hose is fixedly connected to the processing plate. The processing plate is hollow, and a plurality of metal conduits are fixedly connected to the bottom of the processing plate. The metal conduits are hollow, and one end is closed. An oil-absorbing cotton is provided at one end of the metal conduit, and the oil-absorbing cotton is fixedly connected to the outer wall of the bottom of the processing plate.

[0011] Preferably, the dynamic collection mechanism includes a rotating rod and a contact plate. The rotating rod is rotatably connected to the box body and the water tank respectively. The rotating rod is hollow, and a driving mechanism is provided at one end of the rotating rod away from the water tank. The contact plate is fixedly connected to the rotating rod. The contact plate is bolt-shaped and is located at the bottom of the absorption mechanism. The rotating rod and the contact plate are made of heat-conducting metal.

[0012] Preferably, the driving mechanism includes a driving gear and a driven gear. The driving gear is fixedly connected to the rotating shaft, the driving gear is in transmission connection with the driven gear, the driven gear is fixedly connected to the rotating rod, and an equipment box is provided on the outer wall of the driving gear. The equipment box is fixedly connected to the inner wall of the box body.

[0013] Preferably, a plurality of driving blocks are fixedly connected to the outer wall of the rotating shaft, a plurality of belts are in transmission connection with the outer walls of the driving blocks, a bearing is fixedly connected to the inner wall of the slot, the bearing is fixedly connected to the drainage pipe, a driven block is fixedly connected to the outer wall of the drainage pipe, and the driven block is in transmission connection with the belt.

[0014] Preferably, a third oil collection plate is rotatably connected to the bottom of the flow guide cover. A connecting rope is fixedly connected to the top of the third oil collection plate, and a buckle is fixedly connected to the top of the connecting rope. The buckle is detachably connected to the flow guide cover.

[0015] Compared with the prior art, the present invention provides a kitchen range hood, which has the following beneficial effects:

[0016] 1. For this kitchen range hood, by setting the fan and using the absorption mechanism, the condensation area in the box body and the flow guide cover at the bottom can absorb oil fume. By setting a plurality of collection mechanisms on the outer wall of the flow guide cover, the oil liquid on the inner wall of the flow guide cover can be collected in multiple stages. By setting the first oil collection plate, the oil liquid dripping in the box body can be collected. By setting the water tank and using the circulation mechanism, the condensation mechanism in the flow guide cover and the condensation area and the inner walls of the dynamic collection mechanism can have flowing water, so that the oil liquid that has come into contact can be quickly condensed, ensuring the condensation and collection effect of the oil liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1Schematic cross-sectional structure diagram of a kitchen range hood proposed by the present invention;

[0018] Figure 2 Schematic structure diagram of a condensation mechanism of a kitchen range hood proposed by the present invention;

[0019] Figure 3 Schematic main structure diagram of a condensation mechanism of a kitchen range hood proposed by the present invention;

[0020] Figure 4 Schematic cross-sectional structure diagram of a collection plate of a kitchen range hood proposed by the present invention;

[0021] Figure 5 Schematic main structure diagram of a collection plate of a kitchen range hood proposed by the present invention;

[0022] Figure 6 Schematic cross-sectional structure diagram of a drainage mechanism of a kitchen range hood proposed by the present invention;

[0023] Figure 7 Schematic partial cross-sectional structure diagram of a kitchen range hood according to Embodiment 2 of the present invention;

[0024] Figure 8 Schematic partial cross-sectional structure diagram of a kitchen range hood according to Embodiment 3 of the present invention.

[0025] In the figure: 1 box body, 2 fan, 3 motor, 4 smoke outlet pipe, 5 filter plate, 6 air guide plate, 7 air guide pipe, 8 driving gear, 9 suction hood, 10 first water pump, 11 first liquid guide pipe, 12 contact plate, 13 water tank, 14 rotating rod, 15 liquid outlet pipe, 16 first liquid guide hose, 17 second water pump, 18 second liquid guide hose, 19 connecting rod, 20 liquid guide cavity, 21 first oil collection plate, 22 rotating shaft, 23 diversion cover, 24 partition plate, 25 condensation area, 26 liquid inlet pipe, 27 driven gear, 28 driving box, 29 second liquid guide pipe, 30 liquid leakage plate, 31 adapter box, 32 spring, 33 third liquid guide hose, 34 connecting plate, 35 treatment plate, 36 metal conduit, 37 oil absorption cotton, 38 cavity, 39 metal plate, 40 collection plate, 41 serrated groove, 42 limiting rod, 43 movable rod, 44 drainage pipe, 45 slot, 46 second oil collection plate, 47 driven block, 48 belt, 49 bearing, 50 driving block, 51 buckle, 52 third oil collection plate, 53 connecting rope. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0027] Embodiment 1

[0028] Referring to Figures 1-6 Figures 1-6 , a kitchen range hood, comprising a box body 1, an exhaust pipe 4 fixedly connected to the outer wall of the top of the box body 1, a fan 2 fixedly connected to the top inner wall of the box body 1, a flow guide cover 23 fixedly connected to the bottom of the box body 1, a plurality of collection mechanisms arranged at the bottom inner wall of the flow guide cover 23, a plurality of connecting rods 19 fixedly connected to the inner wall of the flow guide cover 23, a first oil collection plate 21 fixedly connected to the other end of the connecting rod 19, a plurality of drainage mechanisms arranged on the outer wall of the first oil collection plate 21, a rotating shaft 22 rotatably connected to the top of the first oil collection plate 21, a motor 3 fixedly connected to the top of the rotating shaft 22, the rotating shaft 22 being hollow, a plurality of condensation mechanisms arranged on the outer wall of the rotating shaft 22, a condensation area 25 arranged on the inner wall of the box body 1, the condensation mechanisms being located in the condensation area 25, an absorption mechanism arranged at the bottom of the fan 2, dynamic collection mechanisms arranged at both ends inside the condensation area 25, a water tank 13 fixedly connected to the outer wall of the box body 1, and a circulation mechanism arranged on the outer wall of the water tank 13. By arranging the fan 2 and using the absorption mechanism, the condensation area 25 inside the box body 1 and the flow guide cover 23 at the bottom can have the ability to absorb oil fume. By arranging a plurality of collection mechanisms on the outer wall of the flow guide cover 23, multi-stage collection of the oil liquid on the inner wall of the flow guide cover 23 can be carried out. By arranging the first oil collection plate 21, the oil liquid dripping inside the box body 1 can be collected. By arranging the water tank 13 and using the circulation mechanism, the condensation mechanisms inside the flow guide cover 23 and the condensation area 25 and the inner walls of the dynamic collection mechanisms can have flowing water, so that the oil liquid after contact can be quickly condensed, ensuring the condensation and collection effect of the oil liquid.

[0029] In the present invention, the collection mechanism includes a collection plate 40 and a metal plate 39. The collection plate 40 is fixedly connected to the flow guide cover 23. A cavity 38 is formed on the inner wall of the flow guide cover 23. The collection plate 40 is hollow. Part of the collection plate 40 is located inside the flow guide cover 23. A serrated groove 41 is formed on the outer wall of the collection plate 40. The metal plate 39 fits with the serrated groove 41. A plurality of bolts are threadedly connected to the outer wall of the metal plate 39, and the bolts are threadedly connected to the collection plate 40. The serrated and heat-conductive metal plate 39 can be used for multi-area condensation and collection of oil liquid.

[0030] The drainage mechanism includes a drainage pipe 44 and a second oil collection plate 46. A plurality of slots 45 are formed on the outer wall of the first oil collection plate 21. The drainage pipe 44 is fixedly connected to the inner wall of the slot 45. A plurality of limiting rods 42 are fixedly connected to the inner wall of the drainage pipe 44. A movable rod 43 is rotatably connected to the outer wall of the limiting rod 42. The bottom of the movable rod 43 is fixedly connected to the second oil collection plate 46, improving the efficiency of the oil liquid passing through the first oil collection plate 21 and ensuring the oil absorption efficiency of the device.

[0031] The absorption mechanism includes an air guide plate 6 and an air guide pipe 7. The air guide plate 6 is fixedly connected to the fan 2 and the inner wall of the box body 1. At both ends of the inner wall of the air guide plate 6, filter plates 5 are fixedly connected. Absorbent materials are arranged on the inner walls of the filter plates 5. The air guide pipe 7 is fixedly connected to both ends of the outer wall at the bottom of the air guide plate 6. An air suction hood 9 is fixedly connected to the bottom of the air guide pipe 7. The air suction hood 9 is located in the condensation area 25. The motor 3 is fixedly connected to the air guide plate 6, and a protective box is fixedly connected to the outer wall of the motor 3. This enables the condensation area 25 inside the box body 1 and the flow guide cover 23 at the bottom to have the ability to absorb oil fumes and can perform final oil absorption and filtration treatment on the oil fumes;

[0032] The circulation mechanism includes a first water pump 10 and a second water pump 17. A liquid inlet pipe 26 is fixedly connected to the outer wall at the top of the water tank 13, and a liquid outlet pipe 15 is fixedly connected to one end of the outer wall of the water tank 13. The rotating shaft 22 and the connecting rod 19 are hollow. The first oil collecting plate 21 is provided with a liquid guide cavity 20. The bottom of the rotating shaft 22 is located in the liquid guide cavity 20. A second liquid guide hose 18 is fixedly connected to the top of the flow guide cover 23. The other end of the second liquid guide hose 18 is fixedly connected to the second water pump 17. The second water pump 17 is fixedly connected to the outer wall of the box body 1. A first liquid guide hose 16 is fixedly connected to the top of the second water pump 17. The top of the first liquid guide hose 16 is fixedly connected to the water tank 13. The outer wall of the rotating shaft 22 is rotatably connected to a transfer box 31. Second liquid guide pipes 29 are fixedly connected to both ends of the outer wall of the transfer box 31. The second liquid guide pipes 29 are fixedly connected to the first water pump 10. The first water pump 10 is fixedly connected to the box body 1. The other end of the first water pump 10 is fixedly connected to a first liquid guide pipe 11. The bottom of the first liquid guide pipe 11 is fixedly connected to the water tank 13. A liquid leakage plate 30 is fixedly connected to the outer wall of the rotating shaft 22. The liquid leakage plate 30 is located inside the transfer box 31. A partition plate 24 is arranged at the top of the second liquid guide hose 18. The partition plate 24 is fixedly connected to the inner wall of the box body 1. By setting the liquid inlet pipe 26 on the outer wall at the top of the water tank 13 to introduce water flow into the water tank 13, by setting the second water pump 17, the water flow can be introduced into the flow guide cover 23 by using the first liquid guide hose 16 and the second liquid guide hose 18, so that the oil liquid that has come into contact can be quickly condensed, and the collection effect of the collection mechanism on the oil liquid is improved. By setting the first water pump 10, the rotating shaft 22 can be made to have the ability to absorb water flow by using the second liquid guide pipe 29 and the transfer box 31. By setting the first oil collecting plate 21 and using the hollow connecting rod 19, the water flow in the flow guide cover 23 can be introduced into the rotating shaft 22, achieving the purpose of the water flow circulating inside the device and ensuring the high-efficiency condensation and collection efficiency of the condensation mechanism and the dynamic collection mechanism in the condensation area 25;

[0033] The condensation mechanism includes a connecting plate 34 and a processing plate 35. A plurality of springs 32 are fixedly connected to the outer wall of the rotating shaft 22, and the other ends of the springs 32 are fixedly connected to the processing plate 35. A third liquid guide hose 33 is fixedly connected between the processing plate 35 and the rotating shaft 22, and the third liquid guide hose 33 is fixedly connected to the processing plate 35. The processing plate 35 is hollow. A plurality of metal conduits 36 are fixedly connected to the bottom of the processing plate 35. The metal conduits 36 are hollow and one end is closed. An oil absorbent cotton 37 is provided at one end of the metal conduit 36, and the oil absorbent cotton 37 is fixedly connected to the outer wall of the bottom of the processing plate 35. The processing plate 35 and the metal conduits 36 are filled with water flow by the transportation of the third liquid guide hose 33, and the oil absorbent cotton 37 is used to perform horizontal rotation and efficient condensation and oil absorption treatment on the condensation area 25;

[0034] The dynamic collection mechanism includes a rotating rod 14 and a contact plate 12. The rotating rod 14 is rotatably connected to the box body 1 and the water tank 13 respectively. The rotating rod 14 is hollow. A driving mechanism is provided at one end of the rotating rod 14 away from the water tank 13. The contact plate 12 is fixedly connected to the rotating rod 14. The contact plate 12 is bolt-shaped. The contact plate 12 is located at the bottom of the absorption mechanism. The rotating rod 14 and the contact plate 12 are made of heat-conducting metal. The driving mechanism includes a driving gear 8 and a driven gear 27. The driving gear 8 is fixedly connected to the rotating shaft 22. The driving gear 8 is in transmission connection with the driven gear 27. The driven gear 27 is fixedly connected to the rotating rod 14. An equipment box 28 is provided on the outer wall of the driving gear 8, and the equipment box 28 is fixedly connected to the inner wall of the box body 1. The rotating rod 14 is driven to rotate by the driving mechanism, and the rotating rod 14 is communicated with the inside of the water tank 13. Therefore, the spiral contact plate 12 can be used to perform rotating condensation and absorption treatment on the oil liquid.

[0035] During use, by setting up the blower 2, the absorption mechanism enables the condensation area 25 inside the box body 1 and the flow guide cover 23 at the bottom to have the ability to absorb cooking fumes. By setting up multiple collection mechanisms on the outer wall of the flow guide cover 23, the oil liquid on the inner wall of the flow guide cover 23 can be collected in multiple stages. By setting up the first oil collection plate 21, the oil liquid dripping inside the box body 1 can be collected. By setting up the water tank 13 and using the circulation mechanism, the condensation mechanism inside the flow guide cover 23 and the inner wall of the dynamic collection mechanism and the condensation area 25 can have flowing water, enabling the oil liquid that has come into contact to condense quickly, ensuring the condensation and collection effect of the oil liquid. By setting up the liquid inlet pipe 26 on the outer wall of the top of the water tank 13 to introduce water flow into the water tank 13, by setting up the second water pump 17, the water flow can be introduced into the flow guide cover 23 by using the first liquid guide hose 16 and the second liquid guide hose 18, enabling the oil liquid that has come into contact to condense quickly and improving the collection effect of the collection mechanism on the oil liquid. By setting up the first water pump 10, the rotating shaft 22 can have the ability to absorb water flow by using the second liquid guide pipe 29 and the transfer box 31. By setting up the first oil collection plate 21 and using the hollow connecting rod 19, the water flow inside the flow guide cover 23 can be introduced into the rotating shaft 22, achieving the purpose of the water flow circulating inside the device and ensuring the high-efficiency condensation and collection efficiency of the condensation mechanism and the dynamic collection mechanism in the condensation area 25.

[0036] Embodiment 2

[0037] Refer to Figure 7 , for a kitchen range hood, a plurality of driving blocks 50 are fixedly connected to the outer wall of the rotating shaft 22. A plurality of belts 48 are drivingly connected to the outer walls of the driving blocks 50. A bearing 49 is fixedly connected to the inner wall of the slot 45. The bearing 49 is fixedly connected to the drainage pipe 44. A driven block 47 is fixedly connected to the outer wall of the drainage pipe 44. The driven block 47 is drivingly connected to the belt 48.

[0038] During use, by setting up the motor 3 to drive the rotation of the rotating shaft 22, thereby driving the rotation of the plurality of driving blocks 50 on the outer wall of the rotating shaft 22. By setting up the fixed connection between the drainage pipe 44 and the first oil collection plate 21 by the bearing 49, the drainage pipe has the ability to rotate. By setting up the driving ability of the belt 48, the driven block at one end of the belt 48 can be rotated, finally achieving the purpose of driving the rotation of the drainage pipe 44, improving the efficiency of the gas passing through the drainage pipe 44, and enabling some of the oil liquid to adhere to the drainage pipe under the centrifugal force, facilitating collection.

[0039] Embodiment 3

[0040] Refer to Figure 8 , for a kitchen range hood, a third oil collection plate 52 is rotatably connected to the bottom of the flow guide cover 23. A connecting rope 53 is fixedly connected to the top of the third oil collection plate 52. A buckle 51 is fixedly connected to the top of the connecting rope 53. The buckle 51 is detachably connected to the flow guide cover 23.

[0041] During use, by setting the third oil collecting plate 52 rotatably connected to the bottom of the flow deflector 23, the oil leakage from the collecting mechanism can be further collected and processed. By setting the connection between the third oil collecting plate 52 and the flow deflector 23 with a connecting rope 53 and a buckle 51, it facilitates the convenience of oil recovery treatment on the third oil collecting plate 52.

[0042] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes, should be covered by the protection scope of the present invention.

Claims

1. A kitchen range hood, comprising a box body (1), a smoke exhaust pipe (4) is fixedly connected to the outer wall of the top of the box body (1), a fan (2) is fixedly connected to the top inner wall of the box body (1), and a flow guide cover (23) is fixedly connected to the bottom of the box body (1). It is characterized in that a plurality of collecting mechanisms are arranged at the bottom inner wall of the flow guide cover (23), a plurality of connecting rods (19) are fixedly connected to the inner wall of the flow guide cover (23), the other ends of the connecting rods (19) are fixedly connected to a first oil collecting plate (21), a plurality of drainage mechanisms are arranged on the outer wall of the first oil collecting plate (21), a rotating shaft (22) is rotatably connected to the top of the first oil collecting plate (21), a motor (3) is fixedly connected to the top of the rotating shaft (22), the rotating shaft (22) is hollow, a plurality of condensation mechanisms are arranged on the outer wall of the rotating shaft (22), a condensation area (25) is arranged on the inner wall of the box body (1), the condensation mechanisms are located in the condensation area (25), an absorption mechanism is arranged at the bottom of the fan (2), dynamic collecting mechanisms are arranged at both ends inside the condensation area (25), a water tank (13) is fixedly connected to the outer wall of the box body (1), and a circulation mechanism is arranged on the outer wall of the water tank (13); The collecting mechanism includes a collecting plate (40) and a metal plate (39), the collecting plate (40) is fixedly connected to the flow guide cover (23), a cavity (38) is formed in the inner wall of the flow guide cover (23), the collecting plate (40) is hollow, a part of the collecting plate (40) is located inside the flow guide cover (23), a serrated groove (41) is formed in the outer wall of the collecting plate (40), the metal plate (39) fits with the serrated groove (41), and a plurality of bolts are threadedly connected to the outer wall of the metal plate (39), and the bolts are threadedly connected to the collecting plate (40); The drainage mechanism includes a drainage pipe (44) and a second oil collecting plate (46), a plurality of slots (45) are formed in the outer wall of the first oil collecting plate (21), the drainage pipe (44) is fixedly connected to the inner wall of the slot (45), a plurality of limiting rods (42) are fixedly connected to the inner wall of the drainage pipe (44), a movable rod (43) is rotatably connected to the outer wall of the limiting rod (42), and the bottom of the movable rod (43) is fixedly connected to the second oil collecting plate (46); The absorption mechanism includes a gas guide plate (6) and a gas guide pipe (7), the gas guide plate (6) is fixedly connected to the fan (2), the gas guide plate (6) is fixedly connected to the inner wall of the box body (1), filter plates (5) are fixedly connected to both ends of the inner wall of the gas guide plate (6), an oil absorption material is arranged on the inner wall of the filter plate (5), the gas guide pipe (7) is fixedly connected to both ends of the bottom outer wall of the gas guide plate (6), an air suction hood (9) is fixedly connected to the bottom of the gas guide pipe (7), the air suction hood (9) is located in the condensation area (25), the motor (3) is fixedly connected to the gas guide plate (6), and a protective box is fixedly connected to the outer wall of the motor (3); The circulation mechanism includes a first water pump (10) and a second water pump (17). An inlet liquid pipe (26) is fixedly connected to the outer wall of the top of the water tank (13), and an outlet liquid pipe (15) is fixedly connected to the outer wall of one end of the water tank (13). The rotating shaft (22) and the connecting rod (19) are arranged to be hollow. A liquid guiding cavity (20) is formed in the first oil collecting plate (21), and the bottom of the rotating shaft (22) is located in the liquid guiding cavity (20). The top of the flow guiding cover (23) is fixedly connected to a second liquid guiding hose (18), and the other end of the second liquid guiding hose (18) is fixedly connected to the second water pump (17). The second water pump (17) is fixedly connected to the outer wall of the box body (1). The top of the second water pump (17) is fixedly connected to a first liquid guiding hose (16), and the top of the first liquid guiding hose (16) is fixedly connected to the water tank (13). A transfer box (31) is rotatably connected to the outer wall of the rotating shaft (22). Second liquid guiding pipes (29) are fixedly connected to the outer walls of both ends of the transfer box (31), and the second liquid guiding pipes (29) are fixedly connected to the first water pump (10). The first water pump (10) is fixedly connected to the box body (1). The other end of the first water pump (10) is fixedly connected to a first liquid guiding pipe (11), and the bottom of the first liquid guiding pipe (11) is fixedly connected to the water tank (13). A liquid leakage plate (30) is fixedly connected to the outer wall of the rotating shaft (22), and the liquid leakage plate (30) is located inside the transfer box (31). A partition plate (24) is arranged at the top of the second liquid guiding hose (18), and the partition plate (24) is fixedly connected to the inner wall of the box body (1); The condensation mechanism includes a connecting plate (34) and a processing plate (35). A plurality of springs (32) are fixedly connected to the outer wall of the rotating shaft (22), and the other ends of the springs (32) are fixedly connected to the processing plate (35). A third liquid guiding hose (33) is fixedly connected between the processing plate (35) and the rotating shaft (22), and the third liquid guiding hose (33) is fixedly connected to the processing plate (35). The processing plate (35) is arranged to be hollow. A plurality of metal conduits (36) are fixedly connected to the bottom of the processing plate (35), and the metal conduits (36) are arranged to be hollow. One end of the metal conduit (36) is arranged to be closed, and an oil absorbing cotton (37) is arranged at one end of the metal conduit (36), and the oil absorbing cotton (37) is fixedly connected to the outer wall of the bottom of the processing plate (35).

2. A kitchen range hood according to claim 1, wherein, the dynamic collection mechanism includes a rotating rod (14) and a contact plate (12). The rotating rod (14) is rotatably connected to the box body (1) and the water tank (13) respectively. The rotating rod (14) is arranged to be hollow. A driving mechanism is arranged at one end of the rotating rod (14) away from the water tank (13). The contact plate (12) is fixedly connected to the rotating rod (14). The contact plate (12) is arranged in a bolt shape. The contact plate (12) is located at the bottom of the absorption mechanism. The rotating rod (14) and the contact plate (12) are made of heat-conducting metal.

3. A kitchen range hood according to claim 2, characterized in that, the drive mechanism includes a drive gear (8) and a driven gear (27), the drive gear (8) is fixedly connected to a rotating shaft (22), the drive gear (8) is in transmission connection with the driven gear (27), the driven gear (27) is fixedly connected to a rotating rod (14), a device box (28) is arranged on the outer wall of the drive gear (8), and the device box (28) is fixedly connected to the inner wall of the box body (1).

4. A kitchen range hood according to claim 1, characterized in that, a plurality of drive blocks (50) are fixedly connected to the outer wall of the rotating shaft (22), a plurality of belts (48) are in transmission connection with the outer walls of the drive blocks (50), a bearing (49) is fixedly connected to the inner wall of the slot (45), the bearing (49) is fixedly connected to a drainage pipe (44), a driven block (47) is fixedly connected to the outer wall of the drainage pipe (44), and the driven block (47) is in transmission connection with the belt (48).

5. A kitchen range hood according to claim 1, characterized in that, a third oil collecting plate (52) is rotatably connected to the bottom of the flow guide cover (23), a connecting rope (53) is fixedly connected to the top of the third oil collecting plate (52), a buckle (51) is fixedly connected to the top of the connecting rope (53), and the buckle (51) is detachably connected to the flow guide cover (23).

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