Smoke collecting device and range hood

Abstract

The present invention discloses a smoke collecting device, comprising a shell with a smoke collecting chamber inside, a transmission mechanism, and a driving mechanism; smoke inlets are arranged on both sides of the shell and movable smoke guide plates are provided; the transmission mechanism comprises a first movable gear, a second movable gear and a first output wheel movable in the left and right directions, and also comprises a second output wheel fixed in position and a driver; the first output wheel and the second output wheel are respectively used to drive the smoke guide plates on both sides to move; the driving mechanism is used to synchronously drive the first movable gear and the second movable gear to rotate and move in the same direction, so that the first movable gear and the first output wheel are combined, or the second movable gear and the second output wheel are combined; the driver is used to drive the first output wheel to move and combine with the first movable gear. The beneficial effect of the present invention is that the user can selectively open the smoke guide plate on one side of the shell or open the smoke guide plates on both sides of the shell at the same time according to actual needs, which helps to improve the user experience.

Description

Technical Field

[0001] The invention relates to a smoke collecting device and a range hood, belonging to the technical field of kitchen appliances. Background Art

[0002] Range hoods have become one of the indispensable kitchen appliances in modern families. Usually, range hoods include top suction type and side suction type. Side suction range hoods can lock and absorb oil smoke in the first place, effectively reducing the spread of oil smoke in the kitchen space.

[0003] Usually, there are multiple stoves on the stove in the kitchen. In order to save kitchen space, users will place the side-suction range hood between the two stoves. Generally, the side-suction range hood has smoke inlets corresponding to the two stoves, ensuring the smoke extraction effect of multiple stoves. At the same time, the smoke inlet of the range hood is equipped with a smoke guide plate, which can be turned outward to gather the smoke. Generally, the range hood can only control the smoke guide plates on both sides to open at the same time. However, when the user only uses one stove, opening the smoke guide plates on both sides at the same time is easy to cause noise and energy waste. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a smoke collection device and a range hood. Users can selectively use a driving mechanism to open the smoke guide plate on one side of the shell or open the smoke guide plates on both sides of the shell at the same time according to actual needs, which can improve the user experience and meet various user needs.

[0005] The present invention is achieved through the following technical solutions.

[0006] A smoke collecting device comprises a shell with a smoke collecting chamber inside, a transmission mechanism, and a driving mechanism; smoke inlets are arranged on both sides of the shell and movable smoke guide plates are provided; the transmission mechanism comprises a first moving gear, a second moving gear and a first output wheel that can be moved in the left and right directions, and also comprises a second output wheel and a driver that is fixed in position; the first output wheel and the second output wheel are respectively used to drive the smoke guide plates on both sides to move; the driving mechanism is used to synchronously drive the first moving gear and the second moving gear to rotate and move in the same direction, so that the first moving gear and the first output wheel are combined, or the second moving gear and the second output wheel are combined; the driver is used to drive the first output wheel to move and to combine with the first moving gear.

[0007] As a further improvement of the present invention, the driving mechanism includes a driving motor configured as a double-headed motor, two rotating shafts mounted on the driving motor, and a first fixed gear and a second fixed gear respectively connected to the two rotating shafts; the first fixed gear and the first moving gear are meshed and both are configured as helical gears, and the second fixed gear and the second moving gear are meshed and both are configured as helical gears.

[0008] As a further improvement of the present invention, the shell can slide in the front-to-back direction; the driving mechanism also includes a driving gear driven by the rotating shaft and a rack meshing with the driving gear; the rack is fixed in position and extends in the front-to-back direction.

[0009] As a further improvement of the present invention, the driving mechanism also includes a bidirectional damper sleeved on the rotating shaft, and the driving gear is connected to the bidirectional damper; the bidirectional damper is set with a threshold torque, and the bidirectional damper rotates when the output torque of the driving motor is greater than the threshold torque, and the bidirectional damper does not rotate when the output torque of the driving motor is less than the threshold torque.

[0010] As a further improvement of the present invention, a slot and a tooth are respectively provided on the opposite surfaces of the first output wheel and the first moving gear, and the snap-fitting between the slot and the tooth enables the first output wheel to be combined with the first moving gear; a slot and a tooth are respectively provided on the opposite surfaces of the second output wheel and the second moving gear, and the snap-fitting between the slot and the tooth enables the second output wheel to be combined with the second moving gear.

[0011] As a further improvement of the present invention, the transmission mechanism also includes a first shaft extending in the left-right direction; the first movable gear is slidably sleeved on the first shaft, and the first output wheel is fixedly sleeved on the first shaft; the driver is slidably sleeved on the first shaft, and is used to drive the first shaft to slide in the left-right direction.

[0012] As a further improvement of the present invention, the transmission mechanism further includes a second shaft extending in the left-right direction; the second movable gear is slidably sleeved on the second shaft, and the second output wheel is fixedly sleeved on the second shaft.

[0013] As a further improvement of the present invention, the driver is used to drive the first shaft to slide and enable the first output wheel to be combined with the first moving gear; the driver is equipped with an elastic reset member to drive the first shaft to reset.

[0014] As a further improvement of the present invention, the driver is configured to propel a solenoid valve.

[0015] A range hood comprises the smoke collecting device, a fan device and a flexible tube, wherein the fan device is arranged in a reserved groove, one end of the flexible tube is connected to the air inlet of the fan device, and the other end is connected to the smoke exhaust port at the rear of the shell.

[0016] Beneficial effects of the present invention:

[0017] 1. The driving component uses a double-headed motor to control the vertical sliding of the smoke guide plate on one side, or to control the vertical sliding of the smoke guide plates on both sides at the same time. That is, the user can selectively use the driving mechanism to control the smoke guide plate on one side of the shell or to open the smoke guide plates on both sides of the shell at the same time according to actual needs, which helps to improve the user experience and meet the user's various needs.

[0018] 2. Through the coordinated structure of the driving mechanism and the transmission mechanism, only one double-headed motor can be used to control the smoke guide plates on both sides of the shell to flip outward respectively and to control the smoke guide plates on both sides to flip outward at the same time. In addition, by arranging a two-way damper on the rotating shaft, the double-headed motor can also control the shell to switch between a shutdown state hidden in the base and a working state exposed outside the base, which significantly simplifies the internal structure of the smoke collection device and facilitates manufacturing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to help understand the purpose and advantages of the present invention, wherein:

[0020] Figure 1 is a schematic diagram of the structure of a range hood;

[0021] Figure 2 A top view of the structural combination between the housing and the base when the housing is in a stopped state;

[0022] Figure 3 A diagram showing the structural relationship between the housing and the base when the housing is in a working state;

[0023] Figure 4 is a schematic diagram of the structure of the matrix;

[0024] Figure 5 It is a structural schematic diagram of the drive assembly;

[0025] Figure 6 is a schematic diagram of the structure of the drive motor;

[0026] Figure 7 is a structural relationship diagram between the smoke guide plate and the shell;

[0027] Figure 8 A diagram showing the connection structure between the second layer of smoke guide plates and the first linkage rope from top to bottom;

[0028] Fig. 9 A diagram showing the connection structure between the smoke guide plate and the second linkage rope on the third layer from top to bottom;

[0029] Fig.10 It is a schematic diagram of the connection structure between the oil net and the oil box;

[0030] Fig.11 for Fig.10The structural diagram of part A in the figure;

[0031] Fig.12 for Fig.10 The structural diagram of part B;

[0032] Fig.13 is a schematic diagram of the structure of the second axis; DETAILED DESCRIPTION

[0033] The present invention is further described in detail below based on the accompanying drawings and implementation examples.

[0034] The directional terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or may be mentioned in this specification are defined relative to the structures shown in the drawings. The words "inside" and "outside" refer to the direction toward or away from the geometric center of a specific component, respectively. They are relative concepts, and therefore may change accordingly according to different locations and different usage conditions. Therefore, these or other directional terms should not be interpreted as restrictive terms.

[0035] Embodiment 1,

[0036] A smoke collecting device is used in the kitchen environment, mainly used to collect and guide the oil smoke generated by cooking on the stove into the range hood, referring to Figures 1 to 13 , a reserved groove g1 is provided in the base g, and an opening g2 is formed on the base surface of the reserved groove g1. In the present embodiment, the base g is provided as a wall, and the base surface is the wall surface. Of course, the base g can also be provided as other structures, such as other carriers such as a casing and equipment. The smoke collecting device comprises a shell 1 having a smoke collecting chamber inside and a driving component 2. The shell 1 is slidably provided in the reserved groove g1. Smoke inlets 11 are provided on two sides of the shell 1 for sucking the oil smoke on both sides of the shell 1 into the smoke collecting chamber. The driving component 2 is used to drive the shell 1 to translate, so that the shell 1 has a shutdown state hidden in the base g and a working state exposed outside the base g.

[0037] When the shell 1 is in the shutdown state, it is hidden in the base g. At this time, the shell 1 does not occupy the space outside the base g. On the one hand, it makes the kitchen space appear more spacious and tidy. On the other hand, it prevents the shell 1 from being exposed for a long time and being contaminated by fumes, dust and other substances in the kitchen, thereby maintaining the cleanliness of the surface of the shell 1. At the same time, it reduces the risk of bumping to the user caused by the shell 1 protruding from the base g, thereby reducing safety hazards. When the shell 1 is in the working state, it is exposed outside the base g. At this time, the smoke inlet 11 on both sides of the shell 1 can suck the fumes on both sides of the shell 1 into the smoke collecting chamber to keep the kitchen environment clean.

[0038] In this embodiment, the driving component 2 is used to drive the shell 1 to translate on the reserved groove g1, so that the user can switch the shell 1 between the shutdown state hidden in the base g and the working state exposed outside the base g according to the use requirements, which not only meets the needs of saving space and cleaning, but also ensures the smoking function of the shell 1 during cooking.

[0039] In this embodiment, the front part of the housing 1 has a front end plate 12. When the housing 1 is in a shutdown state, the front end plate 12 is flush with the base surface, that is, the front end plate 12 and the base surface are in the same plane. At this time, the housing 1 and the base body g form a whole, the overall visual effect is good, which helps to improve the value of the product, and the edge of the front end plate 12 is closely attached to the edge corresponding to the opening g2, which can prevent the dust, oil smoke or other pollutants in the kitchen from entering the reserved groove g1 from the opening g2 and polluting the housing 1. When the housing 1 is started, the housing 1 is gradually moved outward from the shutdown state, that is, the state where the front end plate 12 is flush with the base surface, until it moves out of the maximum stroke outside the base body g, at which time the smoke inlet 11 is completely exposed outside the base body g.

[0040] In this embodiment, the lower groove wall of the reserved groove g1 is provided with two slide rails, the slide rails extend along the translation direction of the housing 1, and the housing 1 is provided with two sliding members corresponding to each slide rail, the sliding members are provided at the bottom of the housing 1, and the sliding members are slidably connected to the slide rails. The sliding members here are provided in a structural form extending in the horizontal direction and convex downward, and the slide rails are provided in a long strip-shaped bayonet structure concave from top to bottom, that is, the slide rails have a slide groove extending along the translation direction of the housing 1, the slide groove extends along the translation direction of the housing 1, and the slide members are slidably engaged in the slide groove. The matching structure of the slide rails and the slide members can provide stable support for the housing 1 when it is in the working state on the one hand, and ensure the accuracy of the sliding direction of the housing 1 on the other hand.

[0041] In this embodiment, in order to improve the smoking effect of the smoke inlet 11, a smoke guide plate 3 is provided at the smoke inlet 11. The smoke guide plate 3 is used to gather the oil smoke. The smoke guide plate 3 can slide vertically relative to the shell 1, and the smoke guide plate 3 gradually flips outward when sliding upward. After the smoke guide plate 3 flips outward, a smoke inlet channel can be formed between it and the smoke inlet 11 to reduce the escape and diffusion of the oil smoke. Here, the vertical sliding of the smoke guide plate is driven by the driving component 2.

[0042] And the driving component 2 can also drive the smoke guide plate to slide vertically. Specifically, the driving component 2 includes a driving mechanism 21 and a transmission mechanism 22, wherein the transmission mechanism 22 includes a first moving gear 221, a second moving gear 222 and a first output wheel 223 that can be moved in the left and right directions, and also includes a second output wheel 224 with a fixed position and a driver 225. The first output wheel 223 and the second output wheel 224 are respectively used to drive the smoke guide plates on both sides to slide vertically. The driving mechanism 21 is used to synchronously drive the first moving gear 221 and the second moving gear 222 to rotate and move in the same direction, so that the first moving gear 221 is combined with the first output wheel 223, or the second moving gear 222 and the second output wheel 224 are combined. The driver 225 is used to drive the first output wheel 223 to move and combine with the first moving gear 221.

[0043] When the first moving gear 221 is combined with the first output wheel 223, the first output wheel 223 can drive the smoke guide plate on one side to slide vertically, and when the second moving gear 222 is combined with the second output wheel 224, the second output wheel 224 can drive the smoke guide plate on the other side to slide vertically, and because the driver 225 can drive the first output wheel 223 to move and combine with the first moving gear 221, when the first moving gear 221 is combined with the first output wheel 223, the second moving gear 222 can also be combined with the second output wheel 224. On this basis, the driving component 2 can control the vertical sliding of the smoke guide plate on one side respectively, or control the vertical sliding of the smoke guide plates on both sides at the same time, that is, the user can selectively use the driving mechanism 21 to control the smoke guide plate on one side or open the smoke guide plates on both sides of the housing 1 at the same time according to actual needs. For example, when only one side of the stove is cooking, only the smoke guide plate on that side can be activated, and the smoke guide plate on the other side can be closed, thereby avoiding unnecessary noise and energy consumption.

[0044] In this embodiment, the driving mechanism 21 includes a driving motor 211 configured as a double-headed motor, two rotating shafts 212 mounted on the driving motor 211, and a first fixed gear 213 and a second fixed gear 214 respectively connected to the two rotating shafts 212. The two rotating shafts 212 are respectively mounted at both ends of the double-headed motor. When the double-headed motor is working, it drives the two rotating shafts 212 to rotate synchronously, thereby driving the first fixed gear 213 and the second fixed gear 214 respectively mounted on the two rotating shafts 212 to rotate. In addition, the first fixed gear 213 and the first moving gear 221 are meshed and both are configured as helical gears, and the second fixed gear 214 and the second moving gear 222 are meshed and both are configured as helical gears. Helical gears, the first fixed gear 213 and the second fixed gear 214 here have the same structure, the first moving gear 221 and the second moving gear 222 have the same structure, since the first fixed gear 213 and the first moving gear 221 are meshed and both are set as helical gears, that is, the first fixed gear 213 will generate a lateral thrust on the first moving gear 221 when it rotates, causing the first moving gear 221 to translate. Therefore, when the double-headed electric motor is working, the rotating first fixed gear 213 and the second fixed gear 214 can push the first moving gear 221 and the second moving gear 222 to move in the same direction, and the moving direction of the first moving gear 221 and the second moving gear 222 can be controlled by the rotation direction of the double-headed motor.

[0045] In this embodiment, the first output wheel 223 and the first moving gear 221 are provided with a slot 230 and a tooth 229 on the opposite surfaces thereof, and the engagement of the slot 230 and the tooth 229 enables the first output wheel 223 and the first moving gear 221 to be combined. The engagement structure of the slot 230 and the tooth 229 enables the first moving gear 221 to be closely connected with the first output wheel 223 to ensure transmission accuracy. On the other hand, the first moving gear 221 and the first output wheel 223 can be installed by translating the first moving gear 221 without complicated adjustment and calibration. Correspondingly, the second output wheel 224 and the second moving gear 222 are provided with a slot 230 and a tooth 229 on the opposite surfaces thereof, and the engagement of the slot 230 and the tooth 229 enables the second output wheel 224 and the second moving gear 222 to be combined. In addition, the slots 230 and the tooth 229 are arranged at intervals along the circumferential direction, and the force conditions of the two when engaging and matching are more balanced, thereby achieving better connection reliability when combined.

[0046] In this embodiment, the driving mechanism 21 also includes two driving gears 215 respectively connected to the two rotating shafts 212 and two racks g4 meshing with the two driving gears 215. The two racks g4 are spaced apart from each other and respectively meshed with the corresponding driving gears 215. The racks g4 are arranged on the groove wall of the reserved groove g1 and extend along the translation direction of the shell 1. The racks g4 are fixedly connected to the upper groove wall of the reserved groove g1. The driving motor 211 is arranged on the top of the shell 1. When working, the double-headed motor rotates to drive the driving gear 215 connected to the rotating shaft 212 to rotate, so that the rotating driving gear 215 can make a linear motion along the extension direction of the racks g4, thereby driving the driving motor 211 to translate, and then the shell 1 fixedly connected to the driving motor 211 translates, and the movement direction of the shell 1 can be adjusted by changing the rotation direction of the double-headed motor.

[0047] Since the forward and backward translation of the shell 1 and the vertical movement of the smoke guide plate are both controlled by the double-headed motor, when the shell 1 is in working condition, in order to maintain the stable position of the shell 1, it is necessary to avoid the double-headed motor driving the vertical lifting and lowering of the smoke guide plate and the translation of the shell 1 at the same time when working. Therefore, the driving mechanism 21 also includes a two-way damper 216 sleeved on the rotating shaft 212, and the driving gear 215 is connected to the two-way damper 216, and the two-way damper 216 is set with a threshold torque. When the output torque of the driving motor 211 is greater than the threshold torque, the two-way damper 216 rotates, and when the output torque of the driving motor 211 is less than the threshold torque, the two-way damper 216 does not rotate. Therefore, when the shell is in working condition, it is only necessary to adjust the output torque of the driving motor 211 to ensure that the driving gear 215 is in a fixed state when the rotating shaft 212 rotates.

[0048] In the present embodiment, through the coordinated structure of the driving mechanism 21 and the transmission mechanism 22, only one double-headed motor can be used to control the smoke guide plates on both sides of the shell 1 to flip outward respectively and to control the smoke guide plates on both sides to flip outward at the same time. In addition, by arranging a two-way damper 216 on the rotating shaft 212, the double-headed motor can also control the shell 1 to switch between a shutdown state hidden in the base g and a working state exposed outside the base g, which significantly simplifies the internal structure of the smoke collection device and facilitates manufacturing.

[0049] In this embodiment, the transmission mechanism 22 also includes a first shaft 227 extending in the left-right direction, a second shaft 228 extending in the left-right direction, a first movable gear 221 is slidably sleeved on the first shaft 227, a first output wheel 223 is fixedly sleeved on the first shaft 227, a second movable gear 222 is slidably sleeved on the second shaft 228, a second output wheel 224 is fixedly sleeved on the second shaft 228, a driver 225 is slidably sleeved on the second shaft 228, and the driver 225 is used to drive the first shaft 227 to slide in the left-right direction, so that the second output wheel 224 is combined with the second movable gear 222, and the driver 225 is configured There is an elastic reset member 226 for driving the second shaft 228 to reset. It should be noted that the driver 225 here is set as a propulsion solenoid valve, and the elastic reset member 226 is a spring. The spring is sleeved on the outer end of the first shaft 227. When working, the propulsion solenoid valve can apply a continuous force to the first shaft 227 to propel it to the left or right, so that the first shaft 227 slides in the direction close to the first moving gear 221 until the first moving gear 221 is combined with the first output wheel 223. During this period, the spring is compressed, and when the propulsion solenoid valve cancels the propulsion force applied to the first shaft 227, the elastic force of the spring drives the first shaft 227 to reset.

[0050] In this embodiment, the smoke guide plate at the smoke inlet 11 is arranged to be multi-layered, and a vertically extending movable slide rail 5 and a flip slide rail 6 inclined to the movable slide rail 5 are provided at the smoke inlet 11. The spacing between the movable slide rail 5 and the flip slide rail 6 gradually decreases from bottom to top. The smoke guide plate is slidingly connected to the movable slide rail 5 and the flip slide rail 6 at the same time. The smoke guide plate driving mechanism 4 is used to drive multiple smoke guide plates to slide along the movable slide rail 5, so that the smoke guide plate gradually flips outward when sliding upward along the movable slide rail 5.

[0051] Specifically, the smoke guide plate has a sliding shaft 34 extending forward and backward, and the smoke guide plate is connected to a matching piece 35 with the sliding shaft 34 as the rotation center. The sliding shaft 34 is arranged at a position close to the top edge of the smoke guide plate, and the sliding shaft 34 is slidably connected to the movable slide rail 5, and the matching piece 35 is slidably connected to the flip slide rail 6. When the smoke guide plate slides upward along the trajectory of the movable slide rail 5 and the flip slide rail 6 driven by the smoke guide plate driving mechanism 4, since the distance between the movable slide rail 5 and the flip slide rail 6 gradually decreases from bottom to top, the matching piece 35 will be subjected to the outward thrust applied to it by the flip slide rail 6, so that the matching piece 35 will rotate during the upward sliding process, thereby pushing the smoke guide plate to gradually flip outward when sliding upward.

[0052] In this embodiment, movable slide rails 5 and flip slide rails 6 are provided on the front and rear sides of the smoke inlet 11, and the two ends of the sliding shaft 34 are respectively slidably connected to the corresponding movable slide rails 5. The front and rear sides of the smoke guide plate are connected with matching parts 35, and the two matching parts 35 are respectively slidably connected to the corresponding flip slide rails 6. The movable slide rails 5 and flip slide rails 6 are provided on the front and rear sides of the smoke inlet 11, which can improve the stability of the smoke guide plate during movement.

[0053] In this embodiment, the smoke guide plate is upright when it is in the lowest position, and is flipped to the maximum angle when it is in the highest position, so that the smoke guide plate can move from the upright position at the lowest position to the flipped position at the maximum angle at the highest position. Therefore, the user can adjust the position and angle of the smoke guide plate according to actual needs to achieve the best oil fume control effect.

[0054] In this embodiment, the smoke guide plate driving mechanism 4 is used to drive the smoke guide plate 31 located at the highest layer, and the remaining smoke guide plates are linked with the smoke guide plate 31 at the highest layer, so that they and the smoke guide plate 31 at the highest layer slide vertically along the movable slide rail 5 synchronously, and the vertical sliding distance of the multiple smoke guide plates gradually increases from top to bottom.

[0055] In this embodiment, the smoke guide plate driving mechanism 4 includes an output wheel driven to rotate by a driving source, the output wheel includes a first output wheel 223 and a second output wheel 224, and a pulling rope 41 connected to the output wheel, and the pulling rope 41 connects the smoke guide plate 31 at the highest level. The first output wheel 223 or the second output wheel 224 is connected to the pulling rope 41, and when the first output wheel 223 or the second output wheel 224 is driven by the driving motor 211 to rotate, the pulling rope 41 is driven to move, and the pulling rope 41 is connected to the smoke guide plate 31 at the highest level, so that the pulling rope 41 can drive the smoke guide plate 31 at the highest level to move vertically. It should be noted that the driving source here is the driving motor 211 recorded in this embodiment.

[0056] In this embodiment, the smoke guide plate 31 at the highest layer is provided with a linkage pulley 43, and the smoke guide plate 32 at the second layer from the top to the bottom is connected with a first linkage rope 45, and the first linkage rope 45 is connected to the linkage pulley 43 in a transmission manner, and one end of the first linkage rope 45 is connected to the smoke guide plate 32 at the second layer from the top to the bottom, and the other end is fixedly connected to the bottom of the shell 1, so that when the smoke guide at the highest layer rises vertically, it can drive the smoke guide plate 32 at the second layer from the top to the bottom to rise vertically. In this structure, refer to Figure 8 The moving distance of the first linkage rope 45 relative to the linkage pulley 43 is twice the vertical rising height of the smoke guide plate 31 on the highest layer, so that the vertical rising height of the smoke guide plate 32 on the second layer from top to bottom is twice the vertical rising height of the smoke guide plate 31 on the highest layer.

[0057] In this embodiment, refer to Fig. 9 A fixed pulley 46 is provided at the smoke inlet 11, and the smoke guide plate 33 of the third layer from top to bottom is connected with a second linkage rope 47. The second linkage rope 47 sequentially drives the linkage pulley 43 and the fixed pulley 46, and is connected to the smoke guide plate 31 of the highest layer. When the smoke guide plate 31 of the highest layer rises vertically, it can drive the second linkage rope 47 to move, thereby driving the smoke guide plate 33 of the third layer from top to bottom connected to one end of the second linkage rope 47 to move. Because in this structure, the moving distance of the second linkage rope 47 relative to the linkage pulley 43 is three times the vertical rising height of the smoke guide of the highest layer, so that the vertical rising height of the smoke guide plate 32 of the second layer from top to bottom is three times the vertical rising height of the smoke guide of the highest layer.

[0058] In this embodiment, the smoke guide plate at the smoke inlet 11 on one side of the housing 1 is generally arranged in three layers, and the three layers of smoke guide plates are arranged vertically in sequence.

[0059] In this embodiment, two oil nets 7 are provided in the shell body 1 for intercepting grease from the fumes sucked in by the two smoke inlets 11 respectively. An oil box 8 is provided in the shell body 1 below the two oil nets 7 for collecting grease dripping from the two oil nets 7. The grease from the fumes sucked in by the two smoke inlets 11 can be intercepted and collected by the oil box 8, thereby preventing the grease from falling on the stove and contaminating the stovetop.

[0060] In this embodiment, the oil net 7 is gradually inclined toward the middle of the smoke collecting chamber from the top edge to the bottom edge of the shell 1. The two oil nets 7 are combined to form an inverted V-shaped structure. The surface of the oil net 7 is provided with a plurality of guide grooves 72 spaced apart from each other in the front-to-back direction. The grease intercepted on the oil net 7 can be guided by the guide grooves 72 to flow into the oil box 8.

[0061] In this embodiment, the top edge of the oil net 7 is connected to the top of the shell 1, and the bottom edge of the oil net 7 is connected to the oil box 8, so that the two oil nets 7 and the oil box 8 form a partition structure, and the partition structure divides the smoke collecting chamber into a smoke collection area located on the inner side and a smoke intake area located on the outer side; a smoke exhaust port is provided at the rear of the shell 1, and the smoke exhaust port corresponds to the smoke collection area.

[0062] In this embodiment, multiple groups of connecting components 9 are provided at the bottom of the oil box 8 and the two oil nets 7. The movement of the oil box 8 relative to the oil nets 7 enables the connecting components 9 to switch between a locked state and an unlocked state. In the locked state, the oil box 8 is tightly connected to the oil nets 7, which can prevent the oil box 8 from accidentally falling off or moving, thereby ensuring the normal operation and safety of the smoke collecting device. In the unlocked state, the user can remove the oil box 8 from the oil nets 7 to clean or replace the oil box 8.

[0063] In this embodiment, the bottom edge of the oil net 7 is provided with a first folded edge 71 extending toward the outside of the oil net 7, and the top edges on both sides of the oil box 8 are provided with second folded edges 81 extending toward the outside of the oil box 8. The first folded edge 71 and the second folded edge 81 fit together. At this time, the contact surface between the first folded edge 71 and the second folded edge 81 forms a sealing structure, thereby preventing grease from leaking from between the oil box 8 and the bottom edge of the oil net 7.

[0064] The connecting component 9 includes a connecting groove 91 and a connecting member 92, one of which is arranged on the first folded edge 71, and the other is arranged on the second folded edge 81. The connecting groove 91 includes an unlocking section and a locking section connected to each other. The connecting member 92 includes a connecting handle 921 and a locking portion 922 connected to the connecting handle 921. The connecting handle 921 can pass through the unlocking section and the locking section, and the locking portion 922 can pass through the unlocking section but cannot pass through the locking section. The connecting member 92 slides along the connecting direction of the unlocking section and the locking section so that the locking portion 922 corresponds to the unlocking section or the corresponding locking section; when the locking portion 922 corresponds to the unlocking section, the connecting component 9 is in an unlocking state. At this time, the user can remove the oil box 8 from the oil net 7 to clean or replace the oil box 8; when the locking portion 922 corresponds to the locking section, the connecting component 9 is in a locked state to ensure that the oil box 8 is tightly connected to the oil net 7.

[0065] In this embodiment, a window is provided on the front end plate 12 of the shell 1 to allow the oil box 8 to pass through, and a handle structure 82 is provided at the front end of the oil box 8. The handle is used to pull the oil box 8 in the front-to-back direction, and the unlocking section and the locking section are connected along the front-to-back direction. When the user needs to remove the oil box 8 from the shell 1, the oil box 8 can be pulled forward by the handle structure 82 so that the locking portion 922 corresponds to the unlocking section. At this time, the oil box 8 is moved downward until the connecting piece 92 is disengaged from the connecting groove 91, and then the oil box 8 can be pulled out from the window. The oil box 8 can be removed from the shell 1 without removing the front end plate 12 of the shell 1, which is easy to operate.

[0066] Embodiment 2,

[0067] A range hood is used in a kitchen environment, comprising the smoke collecting device, a fan device h and a flexible tube m in the above embodiment, wherein the fan device h is arranged in a reserved groove g1, one end of the flexible tube m is connected to the air inlet of the fan device h, and the other end is connected to the smoke exhaust port at the rear of the shell 1.

[0068] Finally, it should be noted that the above implementation cases are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned implementation cases, those skilled in the art should understand that they can still modify the technical solutions recorded in the aforementioned implementation cases, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the implementation cases of the present invention.

Claims

1. A smoke collecting device, characterized in that: The invention comprises a shell (1) having a smoke collecting chamber therein, a transmission mechanism (22), and a driving mechanism (21); smoke inlets (11) are provided on both sides of the shell (1) and movable smoke guide plates are provided; the transmission mechanism (22) comprises a first movable gear (221), a second movable gear (222), and a first output wheel (223) movable in the left-right direction, and also comprises a second output wheel (224) fixed in position and a driver (225); the first output wheel (223) and the second output wheel (224) are respectively used to drive the smoke guide plates on both sides to move; the driving mechanism (21) is used to synchronously drive the first movable gear (221) and the second movable gear (222) to rotate and move in the same direction, so that the first movable gear (221) and the second movable gear (222) are movable in the same direction. The first output wheel (223) is combined with the first moving gear (222), or the second moving gear (222) is combined with the second output wheel (224); the driver (225) is used to drive the first output wheel (223) to move and is combined with the first moving gear (221); the driving mechanism (21) comprises a driving motor (211) configured as a double-headed motor, two rotating shafts (212) mounted on the driving motor (211), and a first fixed gear (213) and a second fixed gear (214) respectively connected to the two rotating shafts (212); the first fixed gear (213) and the first moving gear (221) are meshed and both are configured as helical gears, and the second fixed gear (214) and the second moving gear (222) are meshed and both are configured as helical gears.

2. The smoke collecting device according to claim 1, characterized in that: The housing (1) is slidable in the front-rear direction; the driving mechanism (21) further comprises a driving gear (215) driven by the rotating shaft (212) and a rack (g4) meshing with the driving gear (215); the rack (g4) is fixed in position and extends in the front-rear direction.

3. The smoke collecting device according to claim 2, characterized in that: The driving mechanism (21) further comprises a bidirectional damper (216) sleeved on the rotating shaft (212), and the driving gear (215) is connected to the bidirectional damper (216); a threshold torque is set for the bidirectional damper (216); when the output torque of the driving motor (211) is greater than the threshold torque, the bidirectional damper (216) rotates; when the output torque of the driving motor (211) is less than the threshold torque, the bidirectional damper (216) does not rotate.

4. The smoke collecting device according to claim 1, characterized in that: A clamping groove (230) and a clamping tooth (229) are respectively provided on the surfaces opposite to each other of the first output wheel (223) and the first movable gear (221); the clamping fit between the clamping groove (230) and the clamping tooth (229) enables the first output wheel (223) and the first movable gear (221) to be combined; a clamping groove (230) and a clamping tooth (229) are respectively provided on the surfaces opposite to each other of the second output wheel (224) and the second movable gear (222); the clamping fit between the clamping groove (230) and the clamping tooth (229) enables the second output wheel (224) and the second movable gear (222) to be combined.

5. The smoke collecting device according to claim 4, characterized in that: The latching grooves (230) and the latching teeth (229) are arranged at intervals along the circumferential direction.

6. The smoke collecting device according to claim 1, characterized in that: The transmission mechanism (22) further comprises a first shaft (227) extending in the left-right direction; the first movable gear (221) is slidably sleeved on the first shaft (227), and the first output wheel (223) is fixedly sleeved on the first shaft (227); the driver (225) is slidably sleeved on the first shaft (227) and is used to drive the first shaft (227) to slide in the left-right direction.

7. The smoke collecting device according to claim 1, characterized in that: The transmission mechanism (22) further comprises a second shaft (228) extending in the left-right direction; the second movable gear (222) is slidably sleeved on the second shaft (228), and the second output wheel (224) is fixedly sleeved on the second shaft (228).

8. The smoke collecting device according to claim 6, characterized in that: The driver (225) is used to drive the first shaft (227) to slide and enable the first output wheel (223) to engage with the first movable gear (221); the driver (225) is provided with an elastic reset member (226) for driving the first shaft (227) to reset.

9. A range hood, characterized in that: It comprises the smoke collecting device according to any one of claims 1 to 8, a fan device (h) and a flexible tube (m), wherein the fan device (h) is arranged in a reserved groove (g1), one end of the flexible tube (m) is connected to the air inlet of the fan device (h), and the other end is connected to the smoke exhaust port at the rear of the shell (1).

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