一种油烟处理装置
By introducing a volute and a limiting mechanism into the fume treatment device, the problems of turbulence and high noise in the range hood are solved, improving the fume extraction effect and reducing noise.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU ROBAM APPLIANCES CO LTD
- Filing Date
- 2025-07-14
- Publication Date
- 2026-07-17
AI Technical Summary
Range hoods are prone to turbulence during the fume extraction process, which affects the fan's processing efficiency and results in excessive noise.
Design an oil fume treatment device, including a fan and a cleaning component. The fan includes a volute tongue and a limiting mechanism. The cleaning component can move circumferentially along the volute and is fixed at the volute tongue position by the limiting mechanism, thereby rectifying the oil fume and reducing noise.
It improves the oil fume extraction effect of the fume treatment device, reduces noise, and increases fluid flow rate and fan purification efficiency.
Smart Images

Figure CN224516866U_ABST
Abstract
Claims
1. An oil fume treatment device, characterized by, include: The fan (20) includes a volute (21) with a volute tongue (2131) and a limiting mechanism; as well as A cleaning component (12) is disposed inside the volute (21) and can move circumferentially along the volute (21). The limiting mechanism can restrict the cleaning component (12) to the position of the volute tongue (2131).
2. The oil fume treatment device according to claim 1, characterized in that, The volute (21) includes an end plate, on which a guide groove (214) extending circumferentially along the volute (21) is provided. At least a portion of the cleaning component (12) is inserted into the guide groove (214) and can slide along the guide groove (214). The limiting mechanism includes a limiting part (2142), in which the guide groove (214) protrudes downward to form the limiting part (2142) at a position corresponding to the volute tongue (2131). The cleaning component (12) can be accommodated in the limiting part (2142); and / or The volute (21) includes an end plate, on which a guide groove (214) extending circumferentially along the volute (21) is provided. At least a portion of the cleaning component (12) is inserted into the guide groove (214) and can slide along the guide groove (214). The limiting mechanism includes a one-way limiting module (216), which is located at the position of the volute tongue (2131). The limiting mechanism only allows the cleaning component (12) to pass through the guide groove (214) in a preset direction; and / or The limiting mechanism includes a gripper mechanism (217), which includes a drive member (2171), a first gripping arm (2172), and a second gripping arm (2173). The drive member (2171) is disposed on the volute tongue (2131). The drive member (2171) can drive the first gripping arm (2172) and the second gripping arm (2173) to move closer or further apart, so that the first gripping arm (2172) and the second gripping arm (2173) jointly grip or release the cleaning component (12); and / or The limiting mechanism includes a rotary drive mechanism (2181) and a locking arm (2182). The rotary drive mechanism (2181) is disposed on the volute tongue (2131). The rotary drive mechanism (2181) can drive the locking arm (2182) to rotate so that the locking arm (2182) locks or releases the cleaning component (12).
3. The oil fume treatment device according to claim 2, characterized in that, The one-way limiting module (216) includes a housing (2161), an elastic element (2162), and a limiting body (2163). The housing (2161) is disposed on the volute tongue (2131). The housing (2161) is connected to the limiting body (2163) through the elastic element (2162). The limiting body (2163) can extend into the guide groove (214). The limiting body (2163) includes a trigger surface (21631). The cleaning element (12) moves along the preset direction and contacts the trigger surface (21631). The limiting body (2163) compresses the elastic element (2162) and avoids it, so that the cleaning element (12) passes through the guide groove (214); and / or The unidirectional limiting module (216) includes a first elastic deformation plate (2191) and a second elastic deformation plate (2192). The first elastic deformation plate (2191) and the second elastic deformation plate (2192) are disposed in the guide groove (214) and arranged at intervals in the vertical direction. The first elastic deformation plate (2191) and the second elastic deformation plate (2192) form a channel (2193). The distance between the first elastic deformation plate (2191) and the second elastic deformation plate (2192) gradually decreases.
4. The oil fume treatment device according to any one of claims 1 to 3, characterized in that, The fan (20) also includes a motor (23) with a rotating shaft (231), and the cleaning component (12) is selectively connected to the rotating shaft (231) in a transmission connection.
5. The cooking fume treatment device according to claim 4, characterized in that, The rotating shaft (231) includes a rotating shaft (231), and the fume treatment device further includes a first coupling end (13). The cleaning component (12) is fixedly connected to the first coupling end (13), and the first coupling end (13) is selectively connected to the rotating shaft (231) for transmission.
6. The cooking fume treatment device according to claim 5, characterized in that, The first coupling end (13) includes a first linear drive mechanism (131) and a first coupling part (132). The first linear drive mechanism (131) includes a first body (1311) and a first output end (1312) capable of linear motion relative to it. The cleaning component (12) is fixedly connected to the first body (1311), and the first coupling part (132) is fixedly connected to the first output end (1312); or The first coupling end (13) includes a fixing part (133) and a one-way bearing (134). The fixing part (133) is fixedly connected to the cleaning component (12), and the fixing part (133) is rotatably connected to the rotating shaft (231) through the one-way bearing (134).
7. The cooking fume treatment device according to claim 6, characterized in that, The first coupling part (132) is inserted into the rotating shaft (231) and has a concave-convex fit; or The one-way bearing (134) includes an inner ring (1341) and an outer ring (1342) that can rotate relative to each other. The rotating shaft (231) is inserted into the inner ring (1341) and has a concave-convex fit or an interference fit with the inner ring (1341). The fixing part (133) has a first insertion hole (1331). The outer ring (1342) is inserted into the first insertion hole (1331) and has a concave-convex fit or an interference fit with the fixing part (133).
8. The oil fume treatment device according to any one of claims 1 to 3, characterized in that, The cleaning component (12) includes a rotatably connected frame (121) and a cleaning roller (122), the cleaning roller (122) extending squarely along the axis of the volute (21).
9. The cooking fume treatment device according to claim 8, characterized in that, The cleaning roller (122) includes a shaft (1221) with helical blades (1224) disposed thereon, the helical blades (1224) being able to direct airflow at the volute tongue (2131) to the air outlet (215) of the volute (21); and / or The frame (121) has a notch (1211) at one end, the notch (1211) having an arc-shaped longitudinal section, at least a portion of the cleaning roller (122) being accommodated in the notch (1211) and rotatable relative to the frame (121); and / or The cleaning roller (122) includes a shaft (1221) and a ball (1222). The ball (1222) is disposed at the end of the shaft (1221) and abuts against the front end plate (211) or the rear end plate (212) of the volute (21). The cleaning roller (122) includes a shaft (1221) with a limiting assembly (1223) that cooperates with the frame (121) to limit the relative position of the frame (121) and the shaft (1221) along a direction perpendicular to the extension of the shaft (1221); and / or The volute (21) includes a front end plate (211) and a rear end plate (212), wherein the front end plate (211) and / or the rear end plate (212) are provided with guide grooves (214), and at least a portion of the cleaning roller (122) is inserted into the guide grooves (214) and can slide along the guide grooves (214); and / or The cleaning component (12) is an elastically deformable structure.
10. The cooking fume treatment device according to claim 9, characterized in that, The limiting assembly (1223) includes two limiting members (12231) spaced apart along the axial direction of the shaft (1221). The two limiting members (12231) together constitute a limiting space (12232). At least a portion of the frame (121) is accommodated in the limiting space (12232). The dimension of the limiting space (12232) along the axial direction of the shaft (1221) is a first dimension, and the dimension of the frame (121) accommodated in the limiting space (12232) is a second dimension. The first dimension is larger than the second dimension; and / or Both ends of the shaft body (1221) are provided with corresponding balls (1222), one of which is in abutment with the front end plate (211), and the other is in abutment with the rear end plate (212); and / or The cleaning roller (122) is arranged downwardly inclined along its flow direction; and / or The inner wall of the guide groove (214) comprises a limiting surface (2141) for limiting the circumferential limit position of the cleaning roller (122).